EP0132798A3 - Injector pump unit for fuel injection at internal-combustion engines - Google Patents

Injector pump unit for fuel injection at internal-combustion engines Download PDF

Info

Publication number
EP0132798A3
EP0132798A3 EP84108578A EP84108578A EP0132798A3 EP 0132798 A3 EP0132798 A3 EP 0132798A3 EP 84108578 A EP84108578 A EP 84108578A EP 84108578 A EP84108578 A EP 84108578A EP 0132798 A3 EP0132798 A3 EP 0132798A3
Authority
EP
European Patent Office
Prior art keywords
internal
fuel injection
pump unit
combustion engines
injector pump
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
EP84108578A
Other languages
German (de)
Other versions
EP0132798B1 (en
EP0132798A2 (en
Inventor
Jean Leblanc
Jean Pigeroulet
Francois Rossignol
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to AT84108578T priority Critical patent/ATE27339T1/en
Publication of EP0132798A2 publication Critical patent/EP0132798A2/en
Publication of EP0132798A3 publication Critical patent/EP0132798A3/en
Application granted granted Critical
Publication of EP0132798B1 publication Critical patent/EP0132798B1/en
Expired 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
    • F02M59/48—Assembling; Disassembling; Replacing
    • 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
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/24—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke
    • F02M59/26—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders
    • F02M59/28—Mechanisms therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
EP84108578A 1983-07-29 1984-07-20 Injector pump unit for fuel injection at internal-combustion engines Expired EP0132798B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84108578T ATE27339T1 (en) 1983-07-29 1984-07-20 PUMP NOZZLE FOR FUEL INJECTION IN COMBUSTION ENGINES.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3327398 1983-07-29
DE3327398 1983-07-29
DE19843411406 DE3411406A1 (en) 1983-07-29 1984-03-28 PUMP NOZZLE FOR FUEL INJECTION IN INTERNAL COMBUSTION ENGINES
DE3411406 1984-03-28

Publications (3)

Publication Number Publication Date
EP0132798A2 EP0132798A2 (en) 1985-02-13
EP0132798A3 true EP0132798A3 (en) 1985-10-30
EP0132798B1 EP0132798B1 (en) 1987-05-20

Family

ID=25812730

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84108578A Expired EP0132798B1 (en) 1983-07-29 1984-07-20 Injector pump unit for fuel injection at internal-combustion engines

Country Status (3)

Country Link
US (1) US4648556A (en)
EP (1) EP0132798B1 (en)
DE (2) DE3411406A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411407A1 (en) * 1984-03-28 1985-10-03 Robert Bosch Gmbh, 7000 Stuttgart PUMP NOZZLE FOR FUEL INJECTION IN INTERNAL COMBUSTION ENGINES
DE3521428A1 (en) * 1985-06-14 1986-12-18 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES
DE3521427A1 (en) * 1985-06-14 1986-12-18 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION DEVICE
US5010783A (en) * 1990-07-02 1991-04-30 Caterpillar Inc. Tappet retainer assembly
US5520155A (en) * 1994-07-28 1996-05-28 Caterpillar Inc. Tappet and plunger assembly adapted for a fluid injection pump
US5706786A (en) * 1994-12-28 1998-01-13 Cummins Engine Company, Inc. Distortion reducing load ring for a fuel injector
US5697345A (en) * 1994-12-28 1997-12-16 Cummins Engine Company, Inc. Clamping load distributor for a fuel injector
US5566658A (en) * 1995-04-21 1996-10-22 Cummins Engine Company, Inc. Clamping load distributor and top stop for a fuel injector
US6321723B1 (en) * 2000-08-07 2001-11-27 Alfred J. Buescher Method of retarding injection timing
DE10160080A1 (en) * 2001-12-07 2003-06-26 Siemens Ag Pump-nozzle unit for supplying fuel to combustion chamber of internal combustion engine has three chambers with different pressures and has pressure limiting and holding valve between first and second pressure chambers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2144862A (en) * 1937-04-03 1939-01-24 Gen Motors Corp Fuel pump injector
GB617434A (en) * 1945-08-17 1949-02-07 Gen Motors Corp Improved fuel injection pump
US2628866A (en) * 1950-04-25 1953-02-17 Gen Motors Corp Fuel injection pump

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1852191A (en) * 1931-02-07 1932-04-05 Winton Engine Corp Fuel injection means
GB405980A (en) * 1932-07-12 1934-02-12 William Halliday Millar Improvements relating to the injection of fuel to the cylinders of internal combustion engines
US2096711A (en) * 1934-11-28 1937-10-26 Gen Motors Corp Fuel pump for injectors
US2144861A (en) * 1936-08-31 1939-01-24 Gen Motors Corp Fuel pump injector
US2740668A (en) * 1952-04-09 1956-04-03 Gen Motors Corp Compression operated fuel injector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2144862A (en) * 1937-04-03 1939-01-24 Gen Motors Corp Fuel pump injector
GB617434A (en) * 1945-08-17 1949-02-07 Gen Motors Corp Improved fuel injection pump
US2628866A (en) * 1950-04-25 1953-02-17 Gen Motors Corp Fuel injection pump

Also Published As

Publication number Publication date
EP0132798B1 (en) 1987-05-20
DE3463822D1 (en) 1987-06-25
EP0132798A2 (en) 1985-02-13
DE3411406A1 (en) 1985-02-07
US4648556A (en) 1987-03-10

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