EP0816669A3 - Fuel transfer pump for a fuel injection pump for an engine - Google Patents

Fuel transfer pump for a fuel injection pump for an engine Download PDF

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Publication number
EP0816669A3
EP0816669A3 EP97100912A EP97100912A EP0816669A3 EP 0816669 A3 EP0816669 A3 EP 0816669A3 EP 97100912 A EP97100912 A EP 97100912A EP 97100912 A EP97100912 A EP 97100912A EP 0816669 A3 EP0816669 A3 EP 0816669A3
Authority
EP
European Patent Office
Prior art keywords
pump
fuel
fuel injection
engine
injection 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
EP97100912A
Other languages
German (de)
French (fr)
Other versions
EP0816669B1 (en
EP0816669A2 (en
Inventor
Stanislaw Dr. Bodzak
Hanspeter Mayer
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
Publication of EP0816669A2 publication Critical patent/EP0816669A2/en
Publication of EP0816669A3 publication Critical patent/EP0816669A3/en
Application granted granted Critical
Publication of EP0816669B1 publication Critical patent/EP0816669B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/041—Arrangements for driving gear-type 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/14—Feeding by means of driven pumps the pumps being combined with other apparatus
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/34—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements by the filter structure, e.g. honeycomb, mesh or fibrous
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/44—Filters structurally associated with pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/42—Installation or removal of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2210/00—Fluid
    • F04C2210/60—Condition
    • F04C2210/62—Purity

Abstract

Die Erfindung betrifft eine Kraftstoff-Förderpumpe für eine Kraftstoff-Einspritzpumpe für Brennkraftmaschinen, mit einem in einer Pumpkammer (3) rotierend angetriebenen Paar miteinander kämmender Zahnräder (7, 9), die Kraftstoff aus einem mit einem Vorratstank verbundenen Ansaugraum (13) entlang einem zwischen der Stirnfläche der Zahnräder (7, 9) und der Umfangswand der Pumpkammer (3) gebildeten Förderkanal (17) in einen, mit der Kraftstoff-Einspritzpumpe verbundenen Druckraum (15) fördern, wobei zumindest ein Filterelement (26) in das Gehäuse (1) der Kraftstoff-Förderpumpe integriert ist.

Figure 00000001
The invention relates to a fuel feed pump for a fuel injection pump for internal combustion engines convey the end face of the gear wheels (7, 9) and the peripheral wall of the pump chamber (3) into a delivery chamber (15) connected to the fuel injection pump, at least one filter element (26) in the housing (1) the fuel delivery pump is integrated.
Figure 00000001
EP97100912A 1996-06-27 1997-01-22 Fuel transfer pump for a fuel injection pump for an engine Expired - Lifetime EP0816669B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19625736A DE19625736C2 (en) 1996-06-27 1996-06-27 Fuel feed pump for a fuel injection pump for internal combustion engines
DE19625736 1996-06-27

Publications (3)

Publication Number Publication Date
EP0816669A2 EP0816669A2 (en) 1998-01-07
EP0816669A3 true EP0816669A3 (en) 1998-04-15
EP0816669B1 EP0816669B1 (en) 2002-07-03

Family

ID=7798173

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97100912A Expired - Lifetime EP0816669B1 (en) 1996-06-27 1997-01-22 Fuel transfer pump for a fuel injection pump for an engine

Country Status (3)

Country Link
EP (1) EP0816669B1 (en)
BR (1) BR9703744A (en)
DE (2) DE19625736C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2338990A (en) * 1998-06-30 2000-01-12 Cummins Engine Co Ltd Fuel pump and filter assembly for an engine
DE19858610C1 (en) * 1998-12-18 2001-02-15 Solar Diamant Systemtechnik Gm Controller for displacement pump, especially gear wheel pump, has reversing circuit for operation in event of blockage of pump by particles entering system to free particle

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1780217A (en) * 1927-08-25 1930-11-04 Wiltse Appliance Co Pump mechanism
GB384164A (en) * 1931-04-03 1932-12-01 Tecalemit Ltd Improvements relating to pumps, and particularly to fuel pumps for internal combustion engines
US2024133A (en) * 1932-07-27 1935-12-10 Boeing Co Fuel handling unit
US2348567A (en) * 1941-01-10 1944-05-09 Parker Appliance Co Fuel pumping unit
GB569769A (en) * 1942-08-31 1945-06-07 Gen Motors Corp Improvements in fuel supply systems for internal combustion engines
US3622007A (en) * 1969-07-24 1971-11-23 Gen Metal Products Corp Fuel filter
US3695438A (en) * 1969-07-19 1972-10-03 Alberto Malpassi Gasoline pressure regulator device
US4740140A (en) * 1985-12-11 1988-04-26 Sundstrand Corporation Pump having integral switch and bypass valve
DE3718068C1 (en) * 1987-05-29 1988-06-30 Daimler Benz Ag Rod-shaped gauze filter for installation in the flow path of a fuel supply
US5007806A (en) * 1989-03-30 1991-04-16 Mallory, Inc. Fuel pump
DE4441505A1 (en) * 1994-11-22 1996-05-23 Bosch Gmbh Robert Fuel feed pump for a fuel injection pump for internal combustion engines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1132747A (en) * 1910-02-18 1915-03-23 Otis Elevator Co Rotary gear-pump.
DE1083656B (en) * 1954-02-04 1960-06-15 Webster Electric Co Inc Rotary lobe pump
DE1947505A1 (en) * 1969-09-19 1971-06-16 Bosch Gmbh Robert Suspension device for an electric fuel pump
US4631009A (en) * 1984-07-18 1986-12-23 Sundstrand Corporation Lubrication scavenge system

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1780217A (en) * 1927-08-25 1930-11-04 Wiltse Appliance Co Pump mechanism
GB384164A (en) * 1931-04-03 1932-12-01 Tecalemit Ltd Improvements relating to pumps, and particularly to fuel pumps for internal combustion engines
US2024133A (en) * 1932-07-27 1935-12-10 Boeing Co Fuel handling unit
US2348567A (en) * 1941-01-10 1944-05-09 Parker Appliance Co Fuel pumping unit
GB569769A (en) * 1942-08-31 1945-06-07 Gen Motors Corp Improvements in fuel supply systems for internal combustion engines
US3695438A (en) * 1969-07-19 1972-10-03 Alberto Malpassi Gasoline pressure regulator device
US3622007A (en) * 1969-07-24 1971-11-23 Gen Metal Products Corp Fuel filter
US4740140A (en) * 1985-12-11 1988-04-26 Sundstrand Corporation Pump having integral switch and bypass valve
DE3718068C1 (en) * 1987-05-29 1988-06-30 Daimler Benz Ag Rod-shaped gauze filter for installation in the flow path of a fuel supply
US5007806A (en) * 1989-03-30 1991-04-16 Mallory, Inc. Fuel pump
DE4441505A1 (en) * 1994-11-22 1996-05-23 Bosch Gmbh Robert Fuel feed pump for a fuel injection pump for internal combustion engines

Also Published As

Publication number Publication date
DE59707627D1 (en) 2002-08-08
EP0816669B1 (en) 2002-07-03
DE19625736A1 (en) 1998-01-08
EP0816669A2 (en) 1998-01-07
DE19625736C2 (en) 2000-07-27
BR9703744A (en) 1998-08-11

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