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GB2320291B - Electronically-controlled fluid injector system having pre-injection pressurizale fluid storage chamber and direct-operated check - Google Patents

Electronically-controlled fluid injector system having pre-injection pressurizale fluid storage chamber and direct-operated check

Info

Publication number
GB2320291B
GB2320291B GB9801387A GB9801387A GB2320291B GB 2320291 B GB2320291 B GB 2320291B GB 9801387 A GB9801387 A GB 9801387A GB 9801387 A GB9801387 A GB 9801387A GB 2320291 B GB2320291 B GB 2320291B
Authority
GB
United Kingdom
Prior art keywords
pressurizale
electronically
injection
direct
storage chamber
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.)
Expired - Fee Related
Application number
GB9801387A
Other versions
GB9801387D0 (en
GB2320291A (en
Inventor
Dennis H Gibson
Gregory W Hefler
Ronald D Shinogle
Mark F Sommars
Howard N Cannon
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Priority claimed from GB9506193A external-priority patent/GB2289313B/en
Publication of GB9801387D0 publication Critical patent/GB9801387D0/en
Publication of GB2320291A publication Critical patent/GB2320291A/en
Application granted granted Critical
Publication of GB2320291B publication Critical patent/GB2320291B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/102—Mechanical drive, e.g. tappets or cams
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0049—Combined valve units, e.g. for controlling pumping chamber and injection valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0059—Arrangements of valve actuators
    • F02M63/0061—Single actuator acting on two or more valve bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • 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
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
GB9801387A 1994-05-13 1995-03-27 Electronically-controlled fluid injector system having pre-injection pressurizale fluid storage chamber and direct-operated check Expired - Fee Related GB2320291B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24250194A 1994-05-13 1994-05-13
GB9506193A GB2289313B (en) 1994-05-13 1995-03-27 Fluid injector system

Publications (3)

Publication Number Publication Date
GB9801387D0 GB9801387D0 (en) 1998-03-18
GB2320291A GB2320291A (en) 1998-06-17
GB2320291B true GB2320291B (en) 1998-09-30

Family

ID=26306754

Family Applications (5)

Application Number Title Priority Date Filing Date
GB9801389A Expired - Fee Related GB2320292B (en) 1994-05-13 1995-03-27 Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check
GB9801375A Expired - Fee Related GB2320288B (en) 1994-05-13 1995-03-27 Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check
GB9801383A Expired - Fee Related GB2320290B (en) 1994-05-13 1995-03-27 Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check
GB9801387A Expired - Fee Related GB2320291B (en) 1994-05-13 1995-03-27 Electronically-controlled fluid injector system having pre-injection pressurizale fluid storage chamber and direct-operated check
GB9801379A Expired - Fee Related GB2320289B (en) 1994-05-13 1995-03-27 Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check

Family Applications Before (3)

Application Number Title Priority Date Filing Date
GB9801389A Expired - Fee Related GB2320292B (en) 1994-05-13 1995-03-27 Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check
GB9801375A Expired - Fee Related GB2320288B (en) 1994-05-13 1995-03-27 Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check
GB9801383A Expired - Fee Related GB2320290B (en) 1994-05-13 1995-03-27 Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9801379A Expired - Fee Related GB2320289B (en) 1994-05-13 1995-03-27 Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check

Country Status (1)

Country Link
GB (5) GB2320292B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5934559A (en) * 1997-11-03 1999-08-10 Caterpillar Inc., Electronic fuel injector with internal single-pole solenoid and center flow post
US5947380A (en) * 1997-11-03 1999-09-07 Caterpillar Inc. Fuel injector utilizing flat-seat poppet valves
DE19839581A1 (en) * 1997-11-04 1999-05-06 Lucas Ind Plc Fuel injector
US5971300A (en) * 1997-11-04 1999-10-26 Caterpillar, Inc. Fuel injector employing center fuel flow and pressure-assisted check closing
GB9820237D0 (en) 1998-09-18 1998-11-11 Lucas Ind Plc Fuel injector
GB9920352D0 (en) * 1999-08-28 1999-11-03 Lucas Ind Plc Fuel injector

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211202A (en) * 1977-09-21 1980-07-08 Daimler-Benz Aktiengesellschaft Pump nozzle for air-compressing injection internal combustion engine
EP0133203A2 (en) * 1983-07-21 1985-02-20 The Bendix Corporation Diesel fuel injector with double dump configuration
EP0174083A1 (en) * 1984-08-20 1986-03-12 General Motors Corporation Electromagnetic unit fuel injector
EP0174718A1 (en) * 1984-08-06 1986-03-19 General Motors Corporation Electromagnetic unit fuel injector
EP0269289A2 (en) * 1986-11-28 1988-06-01 Diesel Technology Corporation Diesel unit fuel injector with spill assist injection needle valve closure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4129256A (en) * 1977-09-12 1978-12-12 General Motors Corporation Electromagnetic unit fuel injector
JPH0759919B2 (en) * 1986-04-04 1995-06-28 日本電装株式会社 Fuel injection controller for diesel engine
GB9404093D0 (en) * 1994-03-03 1994-04-20 Lucas Ind Plc Fuel systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211202A (en) * 1977-09-21 1980-07-08 Daimler-Benz Aktiengesellschaft Pump nozzle for air-compressing injection internal combustion engine
EP0133203A2 (en) * 1983-07-21 1985-02-20 The Bendix Corporation Diesel fuel injector with double dump configuration
EP0174718A1 (en) * 1984-08-06 1986-03-19 General Motors Corporation Electromagnetic unit fuel injector
EP0174083A1 (en) * 1984-08-20 1986-03-12 General Motors Corporation Electromagnetic unit fuel injector
EP0269289A2 (en) * 1986-11-28 1988-06-01 Diesel Technology Corporation Diesel unit fuel injector with spill assist injection needle valve closure

Also Published As

Publication number Publication date
GB2320288A (en) 1998-06-17
GB2320288B (en) 1998-09-30
GB9801375D0 (en) 1998-03-18
GB2320292A (en) 1998-06-17
GB2320290A (en) 1998-06-17
GB2320292B (en) 1998-09-30
GB9801379D0 (en) 1998-03-18
GB9801383D0 (en) 1998-03-18
GB9801387D0 (en) 1998-03-18
GB9801389D0 (en) 1998-03-18
GB2320289B (en) 1998-09-30
GB2320289A (en) 1998-06-17
GB2320290B (en) 1998-09-30
GB2320291A (en) 1998-06-17
GB2320292A8 (en) 1998-07-08

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Legal Events

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

Effective date: 20100327