WO2012029707A1 - ハイブリッド自動車 - Google Patents
ハイブリッド自動車 Download PDFInfo
- Publication number
- WO2012029707A1 WO2012029707A1 PCT/JP2011/069429 JP2011069429W WO2012029707A1 WO 2012029707 A1 WO2012029707 A1 WO 2012029707A1 JP 2011069429 W JP2011069429 W JP 2011069429W WO 2012029707 A1 WO2012029707 A1 WO 2012029707A1
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- WIPO (PCT)
- Prior art keywords
- hybrid vehicle
- stationary
- stationary yoke
- transmission unit
- yoke portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
- B60K6/485—Motor-assist type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
- H02K19/10—Synchronous motors for multi-phase current
- H02K19/103—Motors having windings on the stator and a variable reluctance soft-iron rotor without windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
- H02K19/10—Synchronous motors for multi-phase current
- H02K19/12—Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/22—Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators
- H02K19/24—Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators with variable-reluctance soft-iron rotors without winding
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/26—Synchronous generators characterised by the arrangement of exciting windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/50—Structural details of electrical machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/425—Temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S903/00—Hybrid electric vehicles, HEVS
- Y10S903/902—Prime movers comprising electrical and internal combustion motors
Definitions
- the present invention relates to a hybrid vehicle including a rotating electric machine having a field winding attached to a stationary yoke portion, and more particularly to a rotating electric machine mounting structure interposed between an engine unit and a transmission unit. .
- the conventional engine start charging device includes a brushless motor directly connected to the output shaft of the engine.
- the engine When the start operation is performed, the engine is started, and when in an acceleration state, the engine is accelerated and the start operation is stopped.
- the brushless motor was operated so as to generate electric power when the engine was released from the acceleration state (see, for example, Patent Document 1).
- a brushless motor is wound around a cylindrical first rotor and an annular second rotor, and an annular field iron core, which are engaged by a toothed portion and connected by a nonmagnetic ring.
- the field windings housed in the annular recess formed in the inner periphery of the toothed portion of the first rotor and the outer periphery of the toothed portions of the first and second rotors have a predetermined gap.
- An armature core disposed in an annular shape and an armature winding wound around the armature core, the first rotor is fixed to the crankshaft of the engine, and the field iron core is used as a cylinder block of the engine
- the armature core is fixed and attached to the transmission case.
- the field iron core is fixed to the cylinder block of the engine, so heat generated in the engine is transmitted to the field winding through the field core, and the temperature of the field winding is excessive. There was a problem of rising.
- the present invention has been made to solve such a problem, and a stationary yoke portion around which a field winding is wound is disposed on the transmission unit side, and the stationary yoke portion is disposed from the engine unit.
- An object of the present invention is to obtain a hybrid vehicle capable of suppressing the amount of heat transmitted to the field winding through the field winding and suppressing an excessive temperature rise of the field winding.
- a hybrid vehicle includes an internal combustion engine and a field fixed rotating electrical machine as a driving source for traveling, and a transmission that outputs both or one of the driving forces of the internal combustion engine and the field fixed rotating electrical machine to a drive shaft, It has.
- the field fixed rotating electric machine includes a frame, an armature fixed to the frame and disposed in the frame, and a plurality of magnetic poles disposed in the armature and magnetized by magnetomotive force.
- Rotors arranged in a circumferential direction on the side, a field winding that generates the magnetomotive force when energized, and a static yoke that is formed in an annular shape and wound with the field winding And a section.
- the field-fixed rotating electrical machine is disposed between the engine unit and the transmission unit with the rotor directly connected to the output shaft of the engine unit, and the stationary yoke portion is connected to the field yoke.
- the magnetic winding is disposed in the rotor from the transmission unit side so that the magnetic winding is positioned on the inner diameter side of the plurality of magnetic poles, and is held coaxially with the rotor and held stationary by the stationary member.
- the stationary yoke portion is disposed in the rotor from the transmission unit side so that the field winding is positioned on the inner diameter side of the plurality of magnetic poles, and is held by the stationary member. Heat from the unit is not transferred directly to the stationary yoke.
- the stationary yoke portion is held by the stationary member in a stationary state, an air layer that is difficult to transfer heat is interposed between the rotor and the stationary yoke portion, and the stationary yoke is connected from the engine unit via the rotor. Heat transfer to the iron part is suppressed. Therefore, an excessive temperature rise of the field winding due to heat generation in the engine unit can be suppressed.
- FIG. 1 is a schematic diagram showing a hybrid vehicle according to Embodiment 1 of the present invention. It is principal part sectional drawing explaining the mounting state of the field fixed type rotary electric machine in the hybrid vehicle which concerns on Embodiment 1 of this invention. It is a perspective view explaining the attachment structure of the field winding of the field fixed type rotary electric machine in the hybrid vehicle which concerns on Embodiment 1 of this invention. It is a perspective view explaining the attachment structure of the field winding of the field fixed type rotary electric machine in the hybrid vehicle which concerns on Embodiment 2 of this invention. It is a principal part perspective view explaining the attachment structure of the stationary yoke part attachment base of the field fixed type rotary electric machine in the hybrid vehicle which concerns on Embodiment 3 of this invention. It is principal part sectional drawing explaining the mounting state of the field fixed type rotary electric machine in the hybrid vehicle which concerns on Embodiment 4 of this invention.
- FIG. 1 is a schematic diagram showing a hybrid vehicle according to Embodiment 1 of the present invention
- FIG. 2 is a cross-sectional view of a main part for explaining a mounting state of a field fixed type rotating electric machine in the hybrid vehicle according to Embodiment 1 of the present invention
- FIG. 3 is a perspective view for explaining a field winding mounting structure of the field fixed type rotating electric machine in the hybrid vehicle according to the first embodiment of the present invention.
- a hybrid vehicle 1 is, for example, an engine unit 2 that generates driving force by burning gasoline, assists the output of the engine unit 2 by generating driving force by electric power, and operates as a generator.
- the fixed field rotating electrical machine 10 that regenerates energy and the transmission unit 4 that transmits the driving force of the engine unit 2 and the fixed field rotating electrical machine 10 to the drive shaft 5 are provided.
- the engine unit 2 and the field fixed rotating electric machine 10 serve as a driving source for traveling.
- the field fixed rotating electric machine 10 is connected to the battery 7 via the inverter circuit 6. Then, the inverter circuit 6 is driven and controlled by the motor control device 8, the DC power of the battery 7 is converted into AC power and supplied to the field fixed type rotating electrical machine 10, and the field fixed type rotating electrical machine 10 is operated as an electric motor. This contributes to the starting of the engine unit 2 and the assist of the output of the engine unit 2. Alternatively, the inverter circuit 6 is driven and controlled by the motor control device 8, the field fixed type rotating electrical machine 10 is operated as a generator, and the AC power generated in the field fixed type rotating electrical machine 10 is converted into DC power and the battery 7. The battery is charged and energy is regenerated. The operation of the engine unit 2 is controlled by the engine control device 9.
- the rotor 11 is a Landel-type rotor made of a magnetic material such as iron, and has a cylindrical boss portion 13 and a thick ring shape extending radially outward from one axial end of the boss portion 13.
- Rotor core 14 and a plurality of first claw-shaped magnetic pole portions 15 that extend from the extending end of the yoke portion 14 to the other side in the axial direction and are arranged at equiangular pitches in the circumferential direction.
- 12 and a plurality of second claw-shaped magnetic pole portions 16 that extend from the other side in the axial direction to one side in the axial direction and are arranged at an equiangular pitch in the circumferential direction so as to mesh with the first claw-shaped magnetic pole portion 15; It has.
- the first and second claw-shaped magnetic pole portions 15 and 16 have outermost diameter surfaces that are substantially trapezoidal, the circumferential width gradually decreases toward the distal end, and the radial thickness gradually increases toward the distal end.
- a magnetic pole magnetized by a magnetomotive force is formed.
- the first and second claw-shaped magnetic pole portions 15 and 16 are fixed to a connecting ring 17 made of a nonmagnetic material such as stainless steel by welding or the like, and are integrally connected in a state of being alternately arranged in the circumferential direction.
- the stationary yoke portion 18 is made of a magnetic material such as iron and is formed in an annular shape having a step-like cross-sectional shape in which a large-diameter portion 19 and a small-diameter portion 20 are connected in the axial direction. Furthermore, the lead wire lead hole 21 is formed so as to penetrate the outer diameter side of the large diameter portion 19 in the axial direction.
- the stationary yoke portion 18 is disposed in a recess formed by the boss portion 13, the yoke portion 14, the first and second claw-shaped magnetic pole portions 15, 16 with the small diameter portion 20 facing the yoke portion 14. .
- the stationary yoke portion 18 is formed in a shape in which a minute gap is formed between the boss portion 13, the yoke portion 14, and the second claw-shaped magnetic pole portion 16.
- the large diameter portion 19 is located between the boss portion 13 and the second claw-shaped magnetic pole portion 16 and constitutes a magnetic path between the boss portion 13 and the second claw-shaped magnetic pole portion 16.
- the field winding 22 is produced by winding a conductor wire around a bobbin (not shown), is attached to the small-diameter portion 20 in an external fitting state, and is fixed to the stationary yoke portion 18 by being fixed with an adhesive or the like. Is done.
- the stationary yoke portion mounting base 24 is made by press-molding a flat plate made of a nonmagnetic metal material such as aluminum, copper, or stainless steel, and is an annular base portion that fits the end surface of the large-diameter portion 19 of the stationary yoke portion 18.
- the armature 30 was produced by winding a plurality of annular armature cores 31 formed at equal circumferential pitches in the circumferential direction so that the tooth portions extend to the inner peripheral side, and a conductor wire around the teeth portion. Armature winding 32.
- the frame 33 is formed in a cylindrical shape by, for example, aluminum die casting.
- the armature core 31 is press-fitted into the frame 33, and the armature 30 is assembled to the frame 33 integrally. Further, the base portion 25 is abutted against the end face of the large-diameter portion 19 of the stationary yoke portion 18, and both are fastened and fixed by screws 29 to hold the stationary yoke portion 18 on the stationary yoke portion mounting base 24. Then, the lead wire 23 of the field winding 22 is pulled out from the lead wire pull-out hole 21 and is extended radially outward along the connecting portion 26. A connector 28 is attached to the tip of the lead wire 23.
- the yoke portion 14 is directed to the engine unit 2, the crankshaft 3 that is the output shaft of the engine unit 2 is press-fitted into the center hole of the boss portion 13, and the rotor 11 is directly connected to the crankshaft 3.
- the frame 33 is mechanically fixed to the engine unit 2 with bolts or the like.
- the rotor 11 and the armature 30 are coaxially arranged and accommodated in the frame 33, a minute gap is secured between the rotor 11 and the armature 30, and the rotor 11 is attached to the crankshaft 3. It is directly connected and can rotate.
- the fixing part 27 is fastened and fixed to the transmission unit 4 as a stationary member with a screw or the like, and the stationary yoke mounting base 24 is attached to the transmission unit 4. Then, the transmission unit 4 is fixed to the field fixed rotary electric machine 10 in parallel with the axial direction of the crankshaft 3 so that the field winding 22 is positioned on the inner diameter side of the first and second claw-shaped magnetic pole portions 15 and 16.
- the stationary yoke portion 18 is inserted into a recess formed by the boss portion 13, the yoke portion 14, and the first and second claw-shaped magnetic pole portions 15 and 16.
- the transmission unit 4 is mechanically fixed to the frame 33 with bolts or the like. Thereby, the field fixed type rotating electrical machine 10 is disposed between the engine unit 2 and the transmission unit 4.
- the hybrid vehicle 1 configured as described above will be described.
- an ignition switch (not shown) is turned to the start position
- the battery voltage of the battery 7 is supplied to the field winding 22, and the inverter circuit 6 is driven and controlled by the motor control device 8,
- the DC power of the battery 7 is converted to AC power and supplied to the armature winding 32.
- the field winding 22 is energized to generate a magnetomotive force
- the first and second claw-shaped magnetic poles 15 and 16 are magnetized
- the N pole and the S pole surround the outer peripheral surface of the rotor 11. It is formed alternately in the direction.
- the motor control device 8 drives and controls the inverter circuit 6, converts the three-phase AC power induced in the armature winding 32 into DC power, and supplies the DC power to the battery 7 and the vehicle load.
- the field-fixed rotating electrical machine 10 When it is determined that the accelerator is depressed and is in an acceleration state, the field-fixed rotating electrical machine 10 is operated as an electric motor, and the torque of the field-fixed rotating electrical machine 10 is added to the torque of the engine unit 2.
- the operation of the field fixed type rotating electrical machine 10 as an electric motor is stopped and operated as a generator. Then, the rotational torque of the crankshaft 3 is converted into a predetermined speed ratio by a speed change mechanism (not shown) of the transmission unit 4 and transmitted to the drive shaft 5 so that the hybrid vehicle 1 travels.
- the field winding 22 is wound around the small-diameter portion 20 of the stationary yoke portion 18 and is formed by the boss portion 13, the yoke portion 14, and the first and second claw-shaped magnetic pole portions 15 and 16. Since it is disposed in the recess, it is difficult to supply cooling air to the field winding 22. Therefore, in order to avoid an excessive temperature rise of the field winding 22, it is desirable to suppress heat reception from the other heat generating components to the field winding 22.
- the rotor 11 is directly connected to the crankshaft 3 with the yoke portion 14 facing the engine unit 2, and the stationary yoke portion 18 is the boss portion 13, the yoke portion 14, the first and second claws.
- the stationary yoke portion 18 is the boss portion 13, the yoke portion 14, the first and second claws.
- the stationary yoke portion 18 is held in a stationary state, a minute gap is formed between the stationary yoke portion 18 and the boss portion 13 and between the stationary yoke portion 18 and the yoke portion 14.
- the transmission unit With significant design changes.
- the lead wire 23 of the field winding 22 is drawn out to the stationary yoke portion mounting pedestal 24 side through the lead wire lead-out hole 21, and the diameter is passed through the stationary yoke portion mounting pedestal 24. Has been pulled out of the direction. Therefore, since the lead wire 23 can be pulled out without a significant design change of the transmission unit 4, the cost can be reduced.
- the stationary yoke part mounting base 24 extends radially outwardly from the outer peripheral surface of the base part 25 and the annular base part 25 that fits the end face of the large diameter part 19 of the stationary yoke part 18, and in the circumferential direction.
- the connecting portions 26 are provided with four connecting portions 26 arranged at equal angular pitches, and fixing portions 27 formed at the extending ends of the connecting portions 26, so that the material cost can be reduced and the weight can be reduced. . Since the lead wire 23 is drawn out radially outward along the connecting portion 26, the lead wire 23 can be easily pulled out.
- the stationary yoke portion mounting base 24 is made of a non-magnetic metal material, the magnetic flux generated by the field winding 22 does not leak through the stationary yoke portion mounting base 24.
- the stationary yoke portion mounting base 24 is made of a metal material, heat generated in the field winding 22 is radiated to the outside from the stationary yoke portion 18 via the stationary yoke portion mounting base 24, and The temperature rise of the magnetic winding 22 is suppressed.
- the stationary yoke portion mounting base 24 is preferably made of a heat-conductive metal material such as copper or aluminum.
- the lead wire of the field winding is drawn out to the stationary yoke portion mounting base side through the lead wire lead hole formed so as to penetrate the large diameter portion of the stationary yoke portion.
- the lead wire may be drawn through a lead wire lead groove formed on the outer peripheral surface of the large diameter portion of the stationary yoke portion with the groove direction as the axial direction.
- the frame is made of aluminum to reduce the weight.
- the material of the frame is not limited to aluminum, and is made of a nonmagnetic metal material such as stainless steel or a magnetic metal material such as iron. May be.
- the frame is fixed to the engine unit with bolts and the transmission unit is fixed to the frame with bolts.
- the frame is interposed between the engine unit and the transmission unit. In this state, it may be fixed integrally with a bolt or the like.
- FIG. 4 is a perspective view illustrating a field winding mounting structure of a field fixed type rotating electric machine in a hybrid vehicle according to Embodiment 2 of the present invention.
- the leading end of the lead wire 23 drawn radially outward along the connecting portion 26 is formed integrally with the fixing portion 27 of the stationary yoke portion mounting base 24A. It is connected to the. Therefore, when handling the stationary yoke portion 18 held on the stationary yoke portion mounting base 24A, the lead wire 23 does not fluctuate and workability is improved.
- FIG. FIG. 5 is a perspective view of a main part for explaining a mounting structure of a stationary yoke mounting base of a field fixed type rotating electric machine in a hybrid vehicle according to Embodiment 3 of the present invention.
- the stationary yoke portion mounting base 24 is mechanically fixed to a frame 33 that is a stationary member with a fixing portion 27 by screws 29 or the like.
- Other configurations are the same as those in the first embodiment.
- the stationary yoke portion mounting base 24 is attached to the frame 33, the field winding 22 and the armature 30 wound around the stationary yoke portion 18 are integrated with the frame 33. As a result, the handling becomes easy and the number of parts at the time of assembling is reduced and the assembling property is improved.
- the stationary yoke portion 18 ⁇ / b> A has a flange portion 35 that extends radially outward from the large diameter portion 19.
- the stationary yoke portion 18A is disposed in a recess formed by the boss portion 13, the yoke portion 14, the first and second claw-shaped magnetic pole portions 15 and 16, with the small diameter portion 20 facing the yoke portion 14.
- the flange portion 35 is fastened and fixed to the casing of the transmission unit 4 by screws 36.
- Other configurations are the same as those in the first embodiment.
- the stationary yoke portion 18A is directly attached to the transmission unit 4, the stationary yoke portion mounting base 24 is not required, the number of parts at the time of assembly is reduced, and the assembling property is improved. improves.
- the first and second claw-shaped magnetic pole portions are formed in a tapered shape, but the shape of the first and second claw-shaped magnetic pole portions is limited to the tapered shape. Instead, for example, a strip shape whose cross-sectional shape does not change in the axial direction may be used.
- the first and second claw-shaped magnetic pole portions are integrally connected using a connecting ring, but the first and second claw-shaped magnetic poles are alternately arranged in the circumferential direction. If the parts can be connected and integrated, the fixing method is not limited to the connecting ring.
- the rotor is assumed to be a Landel type rotor, but if the field winding is wound around the stationary yoke portion and held in a stationary state,
- the rotor is not limited to a Landel type rotor.
- the stationary yoke portion is formed in an annular shape having a step-like cross-sectional shape in which the large diameter portion and the small diameter portion are continuously provided in the axial direction. Is not limited to the step-shaped cross-sectional shape, and the magnetic path forming portion that forms the magnetic path between the winding portion of the field winding, the boss portion of the rotor, and the second claw-shaped magnetic pole portion As long as it has.
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- Combustion & Propulsion (AREA)
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Abstract
Description
図1はこの発明の実施の形態1に係るハイブリッド自動車を示す概略図、図2はこの発明の実施の形態1に係るハイブリッド自動車における界磁固定型回転電機の実装状態を説明する要部断面図、図3はこの発明の実施の形態1に係るハイブリッド自動車における界磁固定型回転電機の界磁巻線の取付構造を説明する斜視図である。
界磁固定型回転電機10は、起磁力により磁化される複数の磁極が外周側に周方向に配列して形成された回転子11と、回転子11との間に微小な空隙を介して回転子11を囲繞するように配設される電機子30と、電機子30を固定状態に支持するフレーム33と、通電されて起磁力を発生する界磁巻線22と、界磁巻線22を保持する静止継鉄部18と、静止継鉄部18を静止状態に保持する静止継鉄部取付台座24と、を備える。
静止継鉄部取付台座24は、例えばアルミニウム、銅、ステンレスなどの非磁性金属材料の平板をプレス成形して作製され、静止継鉄部18の大径部19の端面に適合する環状のベース部25、それぞれベース部25の外周面から径方向外方に延在して、周方向の等角ピッチで配列された4本の連結部26、および連結部26のそれぞれの延出端に形成された固定部27を備えている。
フレーム33は、例えばアルミニウムのダイカストにより円筒状に作製されている。
まず、イグニッションスイッチ(図示せず)がスタート位置まで回動操作されると、バッテリ7のバッテリ電圧が界磁巻線22に供給されるとともに、インバータ回路6がモータ制御装置8により駆動制御され、バッテリ7の直流電力が交流電力に変換されて、電機子巻線32に供給される。回転子11では、界磁巻線22に通電されて起磁力が発生し、第1および第2爪状磁極15,16が磁化され、N極とS極とが回転子11の外周面に周方向に交互に形成される。そして、電機子30では、交流電流が電機子巻線32に通電され、電機子鉄心31に所定の磁極が誘導される。電機子鉄心31に誘導された磁極と回転子11の外周面に形成された磁極との間に電磁力が発生し、回転子11が回転を開始する。これにより、クランクシャフト3が回転を開始し、エンジンユニット2が始動される。
そして、クランクシャフト3の回転トルクは、変速機ユニット4の変速機構(図示せず)により所定の変速比に変換されて駆動軸5に伝達され、ハイブリッド自動車1が走行される。
また、静止継鉄部取付台座24が金属材料で作製されているので、界磁巻線22での発熱が静止継鉄部18から静止継鉄部取付台座24を介して外部に放熱され、界磁巻線22の温度上昇が抑えられる。界磁巻線22の温度上昇を抑制する観点から、静止継鉄部取付台座24は、銅、アルミニウムなどの良熱伝導金属材料で作製することが好ましい。
また、上記実施の形態1では、フレームをエンジンユニットにボルトなどにより固定し、変速機ユニットをフレームにボルトなどにより固定するものとしているが、フレームをエンジンユニットと変速機ユニットとの間に介装した状態で、ボルトなどにより一体に固定するようにしてもよい。
図4はこの発明の実施の形態2に係るハイブリッド自動車における界磁固定型回転電機の界磁巻線の取付構造を説明する斜視図である。
なお、他の構成は上記実施の形態1と同様に構成されている。
図5はこの発明の実施の形態3に係るハイブリッド自動車における界磁固定型回転電機の静止継鉄部取付台座の取付構造を説明する要部斜視図である。
なお、他の構成は上記実施の形態1と同様に構成されている。
図6はこの発明の実施の形態4に係るハイブリッド自動車における界磁固定型回転電機の実装状態を説明する要部断面図である。
なお、他の構成は上記実施の形態1と同様に構成されている。
また、上記各実施の形態では、第1および第2爪状磁極部を連結リングを用いて一体に連結するものとしているが、周方向に交互に配列されている第1および第2爪状磁極部を連結一体化できれば、その固定方法は連結リングに限定されない。
また、上記各実施の形態では、静止継鉄部が大径部と小径部とを軸方向に連設したステップ状の断面形状の円環状に作製されているものとしているが、静止継鉄部は、ステップ状の断面形状に限定されるものではなく、界磁巻線の巻回部と、回転子のボス部と第2爪状磁極部との間の磁路を構成する磁路形成部とを備えていればよい。
Claims (9)
- 走行用駆動源としてエンジンユニットおよび界磁固定型回転電機を備え、上記エンジンユニットおよび界磁固定型回転電機による駆動力の両方又は一方を変速機ユニットを介して駆動軸に出力するハイブリッド自動車において、
上記界磁固定型回転電機は、
フレームと、
上記フレームに固定されて該フレーム内に配設された電機子と、
上記電機子内に配設され、起磁力により磁化される複数の磁極が外周側に周方向に配列して形成された回転子と、
通電されると上記起磁力を発生する界磁巻線と、
円環状に作製され、上記界磁巻線が巻装された静止継鉄部と、を備え、
上記界磁固定型回転電機が、上記回転子を上記エンジンユニットの出力軸に直結されて該エンジンユニットと上記変速機ユニットとの間に配設され、
上記静止継鉄部が、上記界磁巻線が上記複数の磁極の内径側に位置するように上記変速機ユニット側から上記回転子内に配置されて、該回転子と同軸に、かつ静止状態に静止部材に保持されていることを特徴とするハイブリッド自動車。 - 上記界磁巻線に通電するためのリード線が、上記静止継鉄部の上記変速機ユニット側から径方向外方に引き出されていることを特徴とする請求項1記載のハイブリッド自動車。
- 上記静止部材に固定され、上記静止継鉄部の上記変速機ユニット側の端部を保持する静止継鉄部取付台座をさらに備えていることを特徴とする請求項1記載のハイブリッド自動車。
- 上記界磁巻線に通電するためのリード線が、上記静止継鉄部取付台座を介して径方向外方に引き出されていることを特徴とする請求項3記載のハイブリッド自動車。
- 上記静止継鉄部取付台座は、上記静止継鉄部の上記変速機ユニット側の端部を保持する環状のベース部と、上記ベース部から径方向外方に延設された連結部と、上記連結部の延出端に形成され、上記静止部材に固定される固定部と、を備えていることを特徴とする請求項3記載のハイブリッド自動車。
- 上記界磁巻線に通電するためのリード線が、上記界磁巻線から上記静止継鉄部を介して上記ベース部側に引き出され、ついで上記連結部の側面に沿って径方向外方に引き出されていることを特徴とする請求項5記載のハイブリッド自動車。
- 上記リード線の端末が結線される接続端子が上記静止継鉄部取付台座に設けられていることを特徴とする請求項4又は請求項6記載のハイブリッド自動車。
- 上記静止継鉄部取付台座が、非磁性の金属材料で作製されていることを特徴とする請求項3乃至請求項7のいずれか1項に記載のハイブリッド自動車。
- 上記静止部材が上記フレームであることを特徴とする請求項1乃至請求項8のいずれか1項に記載のハイブリッド自動車。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| JP2012531861A JPWO2012029707A1 (ja) | 2010-09-03 | 2011-08-29 | ハイブリッド自動車 |
| CN201180042221XA CN103079861A (zh) | 2010-09-03 | 2011-08-29 | 混合动力汽车 |
| US13/820,595 US20130154410A1 (en) | 2010-09-03 | 2011-08-29 | Hybrid automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2010197486 | 2010-09-03 | ||
| JP2010-197486 | 2010-09-03 |
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| PCT/JP2011/069429 Ceased WO2012029707A1 (ja) | 2010-09-03 | 2011-08-29 | ハイブリッド自動車 |
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| Country | Link |
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| US (1) | US20130154410A1 (ja) |
| JP (1) | JPWO2012029707A1 (ja) |
| CN (1) | CN103079861A (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11050331B2 (en) | 2018-04-27 | 2021-06-29 | Exedy Corporation | Rotational electric machine |
| US11133732B2 (en) | 2018-04-27 | 2021-09-28 | Exedy Corporation | Rotational electric machine |
| US11146138B2 (en) | 2018-04-27 | 2021-10-12 | Exedy Corporation | Rotating electrical machine |
| JP2021166428A (ja) * | 2020-04-06 | 2021-10-14 | トヨタ自動車株式会社 | リターダ付回転電機 |
| WO2025069779A1 (ja) * | 2023-09-27 | 2025-04-03 | 株式会社コスメック | 自立発電装置、およびこれを用いたシリンダ装置 |
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| TW201607792A (zh) * | 2014-08-29 | 2016-03-01 | Kwang Yang Motor Co | 多用途車之動力與供電結合構造 |
| JP6614986B2 (ja) * | 2016-02-02 | 2019-12-04 | 株式会社エクセディ | 回転電機付き動力伝達装置 |
| US20190002117A1 (en) * | 2017-06-30 | 2019-01-03 | General Electric Company | Propulsion system for an aircraft |
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Also Published As
| Publication number | Publication date |
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| CN103079861A (zh) | 2013-05-01 |
| US20130154410A1 (en) | 2013-06-20 |
| JPWO2012029707A1 (ja) | 2013-10-28 |
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