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GB2017350A - Distributor injection pump for a self-igniting internal combustion engine - Google Patents

Distributor injection pump for a self-igniting internal combustion engine

Info

Publication number
GB2017350A
GB2017350A GB7909274A GB7909274A GB2017350A GB 2017350 A GB2017350 A GB 2017350A GB 7909274 A GB7909274 A GB 7909274A GB 7909274 A GB7909274 A GB 7909274A GB 2017350 A GB2017350 A GB 2017350A
Authority
GB
United Kingdom
Prior art keywords
pressure
pump
speed
chamber
self
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
GB7909274A
Other versions
GB2017350B (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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Publication of GB2017350A publication Critical patent/GB2017350A/en
Application granted granted Critical
Publication of GB2017350B publication Critical patent/GB2017350B/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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
    • F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
    • F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
    • F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection timing
    • F02M41/128—Varying injection timing by angular adjustment of the face-cam or the rollers support
    • 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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
    • F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
    • F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
    • F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection timing
    • F02M41/125—Variably-timed valves controlling fuel passages
    • F02M41/126—Variably-timed valves controlling fuel passages valves being mechanically or electrically adjustable sleeves slidably mounted on rotary piston

Landscapes

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

Abstract

The pump (1) comprises an injection timer (2) operable against spring bias by a rotational-speed proportional pressure delivered by the fuel feed pump, a regulator (3) and a pressure medium line (23) connected in dependence on engine speed and load, by the regulator 3 to a chamber (20) of the pump developing the speed proportional pressure. According to the invention, the line (23) is connected to a pressure admission chamber (22) of the timer so as to build up a pressure in opposition to the speed-proportional pressure, and the chamber (22) is connected by way of a throttle (28) to the suction side of the feed pump. By this means advancement of ignition is made speed and load dependent but without affecting pressure developed in chamber (20) of the pump. <IMAGE>
GB7909274A 1978-03-20 1979-03-16 Distributor injection pump for a selfigniting internal combustion engine Expired GB2017350B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782812176 DE2812176A1 (en) 1978-03-20 1978-03-20 DISTRIBUTOR INJECTION PUMP FOR A SELF-IGNING COMBUSTION ENGINE

Publications (2)

Publication Number Publication Date
GB2017350A true GB2017350A (en) 1979-10-03
GB2017350B GB2017350B (en) 1982-06-03

Family

ID=6034985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7909274A Expired GB2017350B (en) 1978-03-20 1979-03-16 Distributor injection pump for a selfigniting internal combustion engine

Country Status (2)

Country Link
DE (1) DE2812176A1 (en)
GB (1) GB2017350B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168586A1 (en) * 1984-06-22 1986-01-22 Robert Bosch Gmbh Fuel injection pump
WO1991010056A1 (en) * 1989-12-29 1991-07-11 Robert Bosch Gmbh Fuel injection pump
EP0487087A1 (en) * 1990-11-23 1992-05-27 Toyota Jidosha Kabushiki Kaisha Device for controlling the fuel injection timing in a diesel engine

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591068Y2 (en) * 1979-04-12 1984-01-12 日産自動車株式会社 Governor device for distributed fuel injection pump
DE2945484A1 (en) * 1979-11-10 1981-05-21 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION PUMP
DE3135477A1 (en) * 1981-09-08 1983-03-17 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES
DE3136690A1 (en) * 1981-09-16 1983-03-24 Robert Bosch Gmbh, 7000 Stuttgart Fuel injection pump for internal combustion engines
DE3642738A1 (en) * 1986-12-13 1988-06-16 Kloeckner Humboldt Deutz Ag Fuel injection pump of the distributor type for internal combustion engines with quiet-idle injection at low idling speed

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168586A1 (en) * 1984-06-22 1986-01-22 Robert Bosch Gmbh Fuel injection pump
WO1991010056A1 (en) * 1989-12-29 1991-07-11 Robert Bosch Gmbh Fuel injection pump
EP0487087A1 (en) * 1990-11-23 1992-05-27 Toyota Jidosha Kabushiki Kaisha Device for controlling the fuel injection timing in a diesel engine

Also Published As

Publication number Publication date
DE2812176A1 (en) 1979-09-27
GB2017350B (en) 1982-06-03

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Legal Events

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