GB2351773B - Hydraulically actuated fuel injection system - Google Patents

Hydraulically actuated fuel injection system

Info

Publication number
GB2351773B
GB2351773B GB0021311A GB0021311A GB2351773B GB 2351773 B GB2351773 B GB 2351773B GB 0021311 A GB0021311 A GB 0021311A GB 0021311 A GB0021311 A GB 0021311A GB 2351773 B GB2351773 B GB 2351773B
Authority
GB
United Kingdom
Prior art keywords
fuel injection
injection system
hydraulically actuated
actuated fuel
hydraulically
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
GB0021311A
Other versions
GB2351773A (en
GB0021311D0 (en
Inventor
Michael D Anderson
Shikui K Chen
Mark F Sommars
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
Priority claimed from US08/806,975 external-priority patent/US5878720A/en
Application filed by Caterpillar Inc filed Critical Caterpillar Inc
Publication of GB0021311D0 publication Critical patent/GB0021311D0/en
Publication of GB2351773A publication Critical patent/GB2351773A/en
Application granted granted Critical
Publication of GB2351773B publication Critical patent/GB2351773B/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
    • 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
    • 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
    • F02M47/025—Hydraulically 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
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification

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)
GB0021311A 1997-02-26 1998-01-15 Hydraulically actuated fuel injection system Expired - Fee Related GB2351773B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/806,975 US5878720A (en) 1997-02-26 1997-02-26 Hydraulically actuated fuel injector with proportional control
GB9800860A GB2322671B (en) 1997-02-26 1998-01-15 Hydraulically actuated fuel injector and system

Publications (3)

Publication Number Publication Date
GB0021311D0 GB0021311D0 (en) 2000-10-18
GB2351773A GB2351773A (en) 2001-01-10
GB2351773B true GB2351773B (en) 2001-02-21

Family

ID=26312952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0021311A Expired - Fee Related GB2351773B (en) 1997-02-26 1998-01-15 Hydraulically actuated fuel injection system

Country Status (1)

Country Link
GB (1) GB2351773B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007006939A1 (en) * 2007-02-13 2008-08-14 Robert Bosch Gmbh Injector for injecting fuel into combustion chamber of internal-combustion engine, particularly common-rail injector, has control chamber actively connected with servo valve, by which fuel discharge path is released or blocked
WO2013067190A2 (en) 2011-11-01 2013-05-10 Cummins Inc. Fuel injector with injection control valve assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143291A (en) * 1992-03-16 1992-09-01 Navistar International Transportation Corp. Two-stage hydraulic electrically-controlled unit injector
US5682858A (en) * 1996-10-22 1997-11-04 Caterpillar Inc. Hydraulically-actuated fuel injector with pressure spike relief valve
GB2316449A (en) * 1995-06-30 1998-02-25 Oded Eddie Sturman High speed fuel injector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143291A (en) * 1992-03-16 1992-09-01 Navistar International Transportation Corp. Two-stage hydraulic electrically-controlled unit injector
GB2316449A (en) * 1995-06-30 1998-02-25 Oded Eddie Sturman High speed fuel injector
US5682858A (en) * 1996-10-22 1997-11-04 Caterpillar Inc. Hydraulically-actuated fuel injector with pressure spike relief valve

Also Published As

Publication number Publication date
GB2351773A (en) 2001-01-10
GB0021311D0 (en) 2000-10-18

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Legal Events

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

Effective date: 20070115