SE9902942D0 - Fuel Pump - Google Patents

Fuel Pump

Info

Publication number
SE9902942D0
SE9902942D0 SE9902942A SE9902942A SE9902942D0 SE 9902942 D0 SE9902942 D0 SE 9902942D0 SE 9902942 A SE9902942 A SE 9902942A SE 9902942 A SE9902942 A SE 9902942A SE 9902942 D0 SE9902942 D0 SE 9902942D0
Authority
SE
Sweden
Prior art keywords
fuel pump
fuel
piston
pump
bore
Prior art date
Application number
SE9902942A
Other languages
Swedish (sv)
Other versions
SE521709C2 (en
SE9902942L (en
Inventor
Anders Bengtsson
Original Assignee
Scania Cv Ab
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 Scania Cv Ab filed Critical Scania Cv Ab
Priority to SE9902942A priority Critical patent/SE521709C2/en
Publication of SE9902942D0 publication Critical patent/SE9902942D0/en
Priority to DE2000139974 priority patent/DE10039974A1/en
Publication of SE9902942L publication Critical patent/SE9902942L/en
Publication of SE521709C2 publication Critical patent/SE521709C2/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
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/442—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston means preventing fuel leakage around pump plunger, e.g. fluid barriers
    • 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

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 fuel pump for diesel engines comprises an elongate piston (7) in a bore (4) of the pump body, and a piston sealing unit (16, 17, 18, 19, 20) provided with a channel (21) which is joined to the fuel return line (11).
SE9902942A 1999-08-19 1999-08-19 Fuel Pump SE521709C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9902942A SE521709C2 (en) 1999-08-19 1999-08-19 Fuel Pump
DE2000139974 DE10039974A1 (en) 1999-08-19 2000-08-16 Fuel pump for diesel engines comprises a piston sealing unit provided with a channel which is joined to the fuel return line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9902942A SE521709C2 (en) 1999-08-19 1999-08-19 Fuel Pump

Publications (3)

Publication Number Publication Date
SE9902942D0 true SE9902942D0 (en) 1999-08-19
SE9902942L SE9902942L (en) 2001-02-20
SE521709C2 SE521709C2 (en) 2003-12-02

Family

ID=20416700

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9902942A SE521709C2 (en) 1999-08-19 1999-08-19 Fuel Pump

Country Status (2)

Country Link
DE (1) DE10039974A1 (en)
SE (1) SE521709C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3815324B2 (en) * 2001-12-28 2006-08-30 日産自動車株式会社 Fuel pressurizing pump for internal combustion engines
US8308450B2 (en) 2009-03-05 2012-11-13 Cummins Intellectual Properties, Inc. High pressure fuel pump with parallel cooling fuel flow
CN106499558A (en) * 2017-01-04 2017-03-15 北京亚新科天纬油泵油嘴股份有限公司 A kind of plunger matching parts of anti-leak oil-stain-preventing and apply its injection pump

Also Published As

Publication number Publication date
SE521709C2 (en) 2003-12-02
DE10039974A1 (en) 2001-02-22
SE9902942L (en) 2001-02-20

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Legal Events

Date Code Title Description
NUG Patent has lapsed