[go: up one dir, main page]

GB201204079D0 - Cooling of electrical machines - Google Patents

Cooling of electrical machines

Info

Publication number
GB201204079D0
GB201204079D0 GBGB1204079.6A GB201204079A GB201204079D0 GB 201204079 D0 GB201204079 D0 GB 201204079D0 GB 201204079 A GB201204079 A GB 201204079A GB 201204079 D0 GB201204079 D0 GB 201204079D0
Authority
GB
United Kingdom
Prior art keywords
stator
rotor
fluid
space
windings
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.)
Granted
Application number
GBGB1204079.6A
Other versions
GB2500040A (en
GB2500040B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec SR Drives Ltd
Original Assignee
Nidec SR Drives Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nidec SR Drives Ltd filed Critical Nidec SR Drives Ltd
Priority to GB1204079.6A priority Critical patent/GB2500040B/en
Publication of GB201204079D0 publication Critical patent/GB201204079D0/en
Publication of GB2500040A publication Critical patent/GB2500040A/en
Application granted granted Critical
Publication of GB2500040B publication Critical patent/GB2500040B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
    • 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
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
    • 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
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

A cooling system for an electrical machine comprises a stator, having windings, and a rotor. At the ends of the stator, a sealing arrangement 26 is provided which prevents communication between a void 38 in the stator and the space 40 in which the rotor turns. Fluid can be made to flow from inlet 50 through the voids in the stator to the outlet 52 to cool the windings and is at least partially prevented from flowing into the rotor space. Any fluid leaking from slot wedges into the rotor space is removed via the drain 56. The pressure of the fluid is regulated by allowing it to flow over a weir 54 at a high point in its path along the cooling system.
GB1204079.6A 2012-03-07 2012-03-07 Cooling of electrical machines Expired - Fee Related GB2500040B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1204079.6A GB2500040B (en) 2012-03-07 2012-03-07 Cooling of electrical machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1204079.6A GB2500040B (en) 2012-03-07 2012-03-07 Cooling of electrical machines

Publications (3)

Publication Number Publication Date
GB201204079D0 true GB201204079D0 (en) 2012-04-18
GB2500040A GB2500040A (en) 2013-09-11
GB2500040B GB2500040B (en) 2018-07-04

Family

ID=46003314

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1204079.6A Expired - Fee Related GB2500040B (en) 2012-03-07 2012-03-07 Cooling of electrical machines

Country Status (1)

Country Link
GB (1) GB2500040B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112583189A (en) * 2019-09-27 2021-03-30 采埃孚股份公司 Electric machine for driving a motor vehicle

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015100090A1 (en) * 2014-01-17 2015-07-23 Ecomotors, Inc. Cooling of stator coils of an electrical machine
DE102014219724A1 (en) * 2014-09-29 2016-03-31 Robert Bosch Gmbh Electric machine with cooling
DE102019205762A1 (en) * 2019-04-23 2020-10-29 Zf Friedrichshafen Ag Electric machine with torque support in the housing
DE102020117419A1 (en) 2020-07-02 2022-01-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Electric machine
DE102021214488A1 (en) * 2020-12-18 2022-06-23 Zf Friedrichshafen Ag Cooling arrangement for cooling a stator for an electrical machine
SE544818C2 (en) 2021-04-01 2022-12-06 Scania Cv Ab Stator for Electric Machine, Electric Machine, Vehicle, and Method of Assembling a Stator
DE102021120993A1 (en) 2021-08-12 2023-02-16 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Electric machine and motor vehicle
DE102021131197B4 (en) * 2021-11-29 2023-09-21 Schaeffler Technologies AG & Co. KG Electric machine comprising a stator and a conductor carrier arranged at an axial end of the stator
FR3135364A1 (en) * 2022-05-05 2023-11-10 Psa Automobiles Sa ELECTRIC MOTOR VEHICLE MACHINE WITH COOLING SEALING CROWN
GB2631993A (en) * 2023-07-20 2025-01-22 Hispeed Ltd An electric machine
EP4614772A1 (en) * 2024-03-06 2025-09-10 Garrett Transportation I Inc. E-machine with seal support arrangement for directly-cooled windings
FR3160828A1 (en) * 2024-03-26 2025-10-03 Nidec Psa Emotors Rotating electric machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3603784B2 (en) * 2000-12-14 2004-12-22 日産自動車株式会社 Rotating electric machine
EP1271747A1 (en) * 2001-06-27 2003-01-02 E + A Elektromaschinen und Antriebe AG Cooling of the stator of an air-gap sleeve motor
JP3594003B2 (en) * 2001-08-28 2004-11-24 日産自動車株式会社 Rotating electric machine and method of manufacturing the same
JP3594007B2 (en) * 2001-10-15 2004-11-24 日産自動車株式会社 Rotating electric machine
SE529854C2 (en) * 2005-09-15 2007-12-11 Lind Finance & Dev Ab Apparatus for cooling a house and method
JP2011234433A (en) * 2010-04-23 2011-11-17 Ihi Corp Cooling structure of motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112583189A (en) * 2019-09-27 2021-03-30 采埃孚股份公司 Electric machine for driving a motor vehicle

Also Published As

Publication number Publication date
GB2500040A (en) 2013-09-11
GB2500040B (en) 2018-07-04

Similar Documents

Publication Publication Date Title
GB201204079D0 (en) Cooling of electrical machines
EA201390281A1 (en) SYSTEM AND METHOD OF COOLING ELECTRIC MACHINES WITH FLOWING MEDIUM
PH12012500605A1 (en) A hydroelectric turbine with coil cooling
ATE475218T1 (en) COOLING AN ELECTRICAL MACHINE
MX381549B (en) COOLING STRUCTURE FOR DYNAMOELECTRIC MACHINE.
SG10201902570SA (en) Submersible well fluid system
MX2016015976A (en) Electric-motor-driven liquid pump.
WO2012097157A3 (en) Coolant flow enhancing device for stator coil end turns of fluid cooled electric motor
WO2014032876A3 (en) Electrical machine for a motor-vehicle drive train
ATE546873T1 (en) STATOR FOR ELECTRIC LATHES
EP2779366A3 (en) Electrical machine having cooling features
WO2012138545A3 (en) Circulating dielectric oil cooling system for canned bearings and canned electronics
EP3024121A3 (en) Integral optimized flow channels for fluid-cooled motors and generators
PT2558710E (en) Pump-turbine system
EA201692009A1 (en) ASYNCHRONOUS ELECTRIC MOTOR
GB2547611A (en) Centrifugal pressure booster and method for modifying or constructing a centrifugal pressure booster
EP2736151A3 (en) Rotary electric machine apparatus
CA2817064A1 (en) Axial flux electrical machines
GB2568441A (en) Electric machine with stator cooling channels
UA112995C2 (en) METHOD OF MODERNIZATION OF THE ENERGY CONVERSION INSTALLATION AND THE MODERNIZED ENERGY CONVERSION INSTALLATION
WO2012040541A3 (en) Method and apparatus for rotor cooling in an electromechanical machine
GB2515240A (en) System, method and apparatus for in pipe compression
WO2012012464A3 (en) Cooling system and method for an electric machine module
IN2014DE02437A (en)
MX2016001664A (en) System for pumping liquid media from a bore and method for installing a pump unit designed as a progressive cavity pump in a bore.

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230307