EP0210957A3 - A two-stage pumping element for a fuel injection pump, with mechanical governor - Google Patents

A two-stage pumping element for a fuel injection pump, with mechanical governor Download PDF

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Publication number
EP0210957A3
EP0210957A3 EP86830153A EP86830153A EP0210957A3 EP 0210957 A3 EP0210957 A3 EP 0210957A3 EP 86830153 A EP86830153 A EP 86830153A EP 86830153 A EP86830153 A EP 86830153A EP 0210957 A3 EP0210957 A3 EP 0210957A3
Authority
EP
European Patent Office
Prior art keywords
fuel injection
injection pump
pumping element
mechanical governor
stage pumping
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.)
Withdrawn
Application number
EP86830153A
Other languages
German (de)
French (fr)
Other versions
EP0210957A2 (en
Inventor
Mario Brighigna
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0210957A2 publication Critical patent/EP0210957A2/en
Publication of EP0210957A3 publication Critical patent/EP0210957A3/en
Withdrawn legal-status Critical Current

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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
    • 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
    • F02M45/06—Pumps peculiar thereto

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

The mechanically governed fuel injection pumping el­ ement disclosed is embodied with a piston (16) in two stages (1, 2), and a barrel (15) incorporating a gallery (7) which inter­ connects two pressure chambers (3, 4) to the end of producing a dual injection when the assembly is reciprocated by a common drive component (17), thereby providing a more gradual rate of injection. In a preferred embodiment, the two stages (1, 2) are proportioned such as to dictate the quantity ratio between the two injections, and the interval of time sep­ arating them.
EP86830153A 1985-07-30 1986-06-06 A two-stage pumping element for a fuel injection pump, with mechanical governor Withdrawn EP0210957A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT351485 1985-07-30
IT03514/85A IT1186600B (en) 1985-07-30 1985-07-30 DOUBLE STAGE PUMP FOR FUEL INJECTION PUMP WITH MECHANICAL REGULATION SYSTEM OF FLOW RATE

Publications (2)

Publication Number Publication Date
EP0210957A2 EP0210957A2 (en) 1987-02-04
EP0210957A3 true EP0210957A3 (en) 1988-11-23

Family

ID=11108810

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86830153A Withdrawn EP0210957A3 (en) 1985-07-30 1986-06-06 A two-stage pumping element for a fuel injection pump, with mechanical governor

Country Status (2)

Country Link
EP (1) EP0210957A3 (en)
IT (1) IT1186600B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4029159A1 (en) * 1990-01-03 1991-07-04 Bosch Gmbh Robert FUEL INJECTION DEVICE FOR INJECTION COMBUSTION ENGINES
US5443047A (en) * 1993-04-09 1995-08-22 Zexel Corporation Fuel injection system

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE577288C (en) * 1931-07-12 1933-05-29 Augsburg Nuernberg Akt Ges Mas Fuel pump
DE744785C (en) * 1942-03-03 1944-01-25 Kloeckner Humboldt Deutz Ag Fuel injection pump for internal combustion engines working with pre-injection
US2612842A (en) * 1946-11-13 1952-10-07 Worthington Corp Fuel injection pump
FR1163034A (en) * 1955-08-19 1958-09-22 Bosch Gmbh Robert Fuel injection pump for diesel or gas-diesel engines
DE1842137U (en) * 1959-03-28 1961-11-23 Maschf Augsburg Nuernberg Ag FUEL PUMP WITH COAXIAL PISTON FOR COMBUSTION MACHINES.
FR1319117A (en) * 1962-04-04 1963-02-22 Maschf Augsburg Nuernberg Ag Coaxial twin piston fuel injection pump
DE1187857B (en) * 1961-04-28 1965-02-25 Maschf Augsburg Nuernberg Ag Fuel injection pump for internal combustion engines with two coaxial pump pistons
DE1189795B (en) * 1961-04-29 1965-03-25 Maschf Augsburg Nuernberg Ag Fuel injection pump for internal combustion engines with two coaxial pump pistons
DE1198610B (en) * 1961-09-01 1965-08-12 Linde Eismasch Ag Fuel injection device for internal combustion piston engines
GB1198159A (en) * 1967-06-22 1970-07-08 Bosch Gmbh Robert Improvements in Fuel Injection Pumps
GB2028421A (en) * 1978-08-26 1980-03-05 Daimler Benz Ag Fuelinjection pump for internal-combustion engines

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE577288C (en) * 1931-07-12 1933-05-29 Augsburg Nuernberg Akt Ges Mas Fuel pump
DE744785C (en) * 1942-03-03 1944-01-25 Kloeckner Humboldt Deutz Ag Fuel injection pump for internal combustion engines working with pre-injection
US2612842A (en) * 1946-11-13 1952-10-07 Worthington Corp Fuel injection pump
FR1163034A (en) * 1955-08-19 1958-09-22 Bosch Gmbh Robert Fuel injection pump for diesel or gas-diesel engines
DE1842137U (en) * 1959-03-28 1961-11-23 Maschf Augsburg Nuernberg Ag FUEL PUMP WITH COAXIAL PISTON FOR COMBUSTION MACHINES.
DE1187857B (en) * 1961-04-28 1965-02-25 Maschf Augsburg Nuernberg Ag Fuel injection pump for internal combustion engines with two coaxial pump pistons
DE1189795B (en) * 1961-04-29 1965-03-25 Maschf Augsburg Nuernberg Ag Fuel injection pump for internal combustion engines with two coaxial pump pistons
DE1198610B (en) * 1961-09-01 1965-08-12 Linde Eismasch Ag Fuel injection device for internal combustion piston engines
FR1319117A (en) * 1962-04-04 1963-02-22 Maschf Augsburg Nuernberg Ag Coaxial twin piston fuel injection pump
GB1198159A (en) * 1967-06-22 1970-07-08 Bosch Gmbh Robert Improvements in Fuel Injection Pumps
GB2028421A (en) * 1978-08-26 1980-03-05 Daimler Benz Ag Fuelinjection pump for internal-combustion engines

Also Published As

Publication number Publication date
EP0210957A2 (en) 1987-02-04
IT8503514A0 (en) 1985-07-30
IT1186600B (en) 1987-12-04

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