ATE35567T1 - INJECTION PUMP FOR COMBUSTION ENGINES. - Google Patents

INJECTION PUMP FOR COMBUSTION ENGINES.

Info

Publication number
ATE35567T1
ATE35567T1 AT85890101T AT85890101T ATE35567T1 AT E35567 T1 ATE35567 T1 AT E35567T1 AT 85890101 T AT85890101 T AT 85890101T AT 85890101 T AT85890101 T AT 85890101T AT E35567 T1 ATE35567 T1 AT E35567T1
Authority
AT
Austria
Prior art keywords
pump
injection
piston
piston bush
bore
Prior art date
Application number
AT85890101T
Other languages
German (de)
Inventor
Klaus Dr Egger
Heinz Rathmayr
Original Assignee
Voest Alpine Friedmann
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 Voest Alpine Friedmann filed Critical Voest Alpine Friedmann
Application granted granted Critical
Publication of ATE35567T1 publication Critical patent/ATE35567T1/en

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
    • 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
    • F02M59/36—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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
    • F02M2200/701—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger mechanical
    • F02M2200/702—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger mechanical with actuator and actuated element moving in different directions, e.g. in opposite directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

1. Injection pump for internal-combustion engines, especially diesel engines, which is preferably combined with an injection nozzle (24) to form a constructional pump/nozzle unit, having a pump piston (4) and a pump-piston bush (11), a suction space (12) which can be put in communication with the pressure space (1) of the pump piston (4) via at least one bore (10) in the pump-piston bush (11), and a device for adjusting the injection rate and/or the injection point of the injection pump, having a randomly adjustable shut-off member actuable independently of the stroke of the pump piston (4) and located between the pressure space (1) of the injection pump and the suction space (12) of the latter or a return line, characterized in that the shut-off member is designed as a sleeve (13) surrounding the pump-piston bush (11) coaxially and has at least one radial perforation (15) which, as a result of rotation or shifting in the axial direction, can be brought into a position aligned with the bore or bores (10) in the pump-piston bush (11) and a position covering the bore or bores (10) in the pump-piston bush (11).
AT85890101T 1984-04-30 1985-04-26 INJECTION PUMP FOR COMBUSTION ENGINES. ATE35567T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT143584 1984-04-30

Publications (1)

Publication Number Publication Date
ATE35567T1 true ATE35567T1 (en) 1988-07-15

Family

ID=3513839

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85890101T ATE35567T1 (en) 1984-04-30 1985-04-26 INJECTION PUMP FOR COMBUSTION ENGINES.

Country Status (3)

Country Link
EP (1) EP0164333B1 (en)
AT (1) ATE35567T1 (en)
DE (1) DE3563644D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3811844C1 (en) * 1988-04-08 1989-12-14 Voest-Alpine Automotive Ges.M.B.H., Linz, At
DE4116644A1 (en) * 1991-05-22 1992-11-26 Kloeckner Humboldt Deutz Ag FUEL INJECTION DEVICE FOR DIESEL INTERNAL COMBUSTION ENGINES
EP1932804B1 (en) * 2006-12-11 2017-03-22 Mimotec S.A. Mixed silicon/metal parts and associated manufacturing methods
DE102017120004A1 (en) * 2017-08-31 2019-02-28 Man Diesel & Turbo Se Fuel metering device of a high-pressure injection system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379442A (en) * 1980-10-06 1983-04-12 Ford Motor Company Electromagnetically controlled fuel injection pump
US4482094A (en) * 1983-09-06 1984-11-13 General Motors Corporation Electromagnetic unit fuel injector

Also Published As

Publication number Publication date
DE3563644D1 (en) 1988-08-11
EP0164333B1 (en) 1988-07-06
EP0164333A1 (en) 1985-12-11

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee