ATE240456T1 - FUEL INJECTION PUMP FOR AN INTERNAL COMBUSTION ENGINE - Google Patents

FUEL INJECTION PUMP FOR AN INTERNAL COMBUSTION ENGINE

Info

Publication number
ATE240456T1
ATE240456T1 AT99113211T AT99113211T ATE240456T1 AT E240456 T1 ATE240456 T1 AT E240456T1 AT 99113211 T AT99113211 T AT 99113211T AT 99113211 T AT99113211 T AT 99113211T AT E240456 T1 ATE240456 T1 AT E240456T1
Authority
AT
Austria
Prior art keywords
control
piston
combustion engine
internal combustion
fuel injection
Prior art date
Application number
AT99113211T
Other languages
German (de)
Inventor
Rolf Prillwitz
Hans-Joachim Koch
Original Assignee
Orange 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 Orange Gmbh filed Critical Orange Gmbh
Application granted granted Critical
Publication of ATE240456T1 publication Critical patent/ATE240456T1/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
    • 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
    • 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
    • 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
    • F02M59/22—Varying quantity or timing by adjusting cylinder-head space
    • 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

Abstract

A high pressure fuel pump, e.g. for a diesel engine, has a control duct through the pump piston to control the start and end points of the fuel pulse. The end point is controlled by a sloping duct (7) and is variable through the rotational setting of the piston. A controlled delay in the start of the fuel pulse is provided by a control piston (12) in a control cylinder (10) on the input duct of the fuel pump. The control piston (12) is linked to a drive piston (11) by a control spring (13) for a simple mode of control.
AT99113211T 1998-07-10 1999-07-08 FUEL INJECTION PUMP FOR AN INTERNAL COMBUSTION ENGINE ATE240456T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19831077A DE19831077A1 (en) 1998-07-10 1998-07-10 Fuel injection pump for an internal combustion engine

Publications (1)

Publication Number Publication Date
ATE240456T1 true ATE240456T1 (en) 2003-05-15

Family

ID=7873707

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99113211T ATE240456T1 (en) 1998-07-10 1999-07-08 FUEL INJECTION PUMP FOR AN INTERNAL COMBUSTION ENGINE

Country Status (3)

Country Link
EP (1) EP0971122B1 (en)
AT (1) ATE240456T1 (en)
DE (2) DE19831077A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004050021A1 (en) * 2004-10-13 2006-04-20 L'orange Gmbh Magnetic piston pump for pumping and dosing liquids has alternate volume connected to pump cavity
FI118055B (en) * 2005-11-23 2007-06-15 Waertsilae Finland Oy Piston engine injection pump
KR101144504B1 (en) * 2010-10-20 2012-05-11 현대중공업 주식회사 Fuel injection pump with variable injection pressure chamber
KR101219977B1 (en) 2011-04-29 2013-01-09 현대중공업 주식회사 Fuel injection pump with Variable Injection Pressure chamber controled by Two phase of oil cylinder
KR101178630B1 (en) 2011-04-29 2012-08-30 현대중공업 주식회사 Fuel injection pump with variable injection pressure chamber controled by cam

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2537087A (en) * 1942-03-07 1951-01-09 Atlas Diesel Ab Fuel injection apparatus
US2810375A (en) * 1953-04-13 1957-10-22 Nordberg Manufacturing Co Injection pump for internal combustion engines
CH328209A (en) * 1953-12-23 1958-02-28 Cav Ltd Fuel injection pump for internal combustion engines
US4469068A (en) * 1981-11-10 1984-09-04 Nippondenso Co., Ltd. Fuel injection apparatus
JPS5977046A (en) * 1982-10-26 1984-05-02 Nippon Denso Co Ltd Fuel injection device
JPS6062658A (en) * 1983-09-16 1985-04-10 Mitsubishi Heavy Ind Ltd Injection start timing changer of jerk type fuel pump
DE3801929C2 (en) * 1987-01-30 1998-07-02 Volkswagen Ag Fuel injector

Also Published As

Publication number Publication date
DE59905531D1 (en) 2003-06-18
DE19831077A1 (en) 2000-01-13
EP0971122B1 (en) 2003-05-14
EP0971122A3 (en) 2001-04-18
EP0971122A2 (en) 2000-01-12

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