GB2428742B - Fuel Injector with a high pressure fuel seal structure - Google Patents

Fuel Injector with a high pressure fuel seal structure

Info

Publication number
GB2428742B
GB2428742B GB0615365A GB0615365A GB2428742B GB 2428742 B GB2428742 B GB 2428742B GB 0615365 A GB0615365 A GB 0615365A GB 0615365 A GB0615365 A GB 0615365A GB 2428742 B GB2428742 B GB 2428742B
Authority
GB
United Kingdom
Prior art keywords
high pressure
seal structure
fuel
fuel injector
pressure fuel
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.)
Expired - Fee Related
Application number
GB0615365A
Other versions
GB2428742A (en
GB0615365D0 (en
Inventor
Koichi Ohata
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Publication of GB0615365D0 publication Critical patent/GB0615365D0/en
Publication of GB2428742A publication Critical patent/GB2428742A/en
Application granted granted Critical
Publication of GB2428742B publication Critical patent/GB2428742B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/002—Arrangement of leakage or drain conduits in or from injectors
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/004—Joints; Sealings
    • F02M55/005—Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)
GB0615365A 2005-08-04 2006-08-02 Fuel Injector with a high pressure fuel seal structure Expired - Fee Related GB2428742B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005227060A JP2007040243A (en) 2005-08-04 2005-08-04 High pressure fuel seal structure for fuel injection device

Publications (3)

Publication Number Publication Date
GB0615365D0 GB0615365D0 (en) 2006-09-13
GB2428742A GB2428742A (en) 2007-02-07
GB2428742B true GB2428742B (en) 2010-10-06

Family

ID=37027117

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0615365A Expired - Fee Related GB2428742B (en) 2005-08-04 2006-08-02 Fuel Injector with a high pressure fuel seal structure

Country Status (3)

Country Link
JP (1) JP2007040243A (en)
DE (1) DE102006000389A1 (en)
GB (1) GB2428742B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9353663B2 (en) 2013-11-06 2016-05-31 Continental Automotive Systems, Inc. Liquid intrusion sealing structure of a urea injector
CN106677942A (en) * 2017-01-18 2017-05-17 哈尔滨工程大学 Two-way oil inlet long-needle-valve hole-plate type electronic control fuel injector without static leakage
CN106762291A (en) * 2017-01-18 2017-05-31 哈尔滨工程大学 A kind of board-like electric-controlled fuel injector of minute hand valve opening without static leakage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007009166A1 (en) * 2007-02-26 2008-08-28 Robert Bosch Gmbh Fuel injector comprises mounting body and nozzle body and other fluid impinging components, which forms screw connection for connecting nozzle tensioning bolt and surface exposure is performed at surface side of mounting body
CN112031970B (en) * 2020-08-28 2022-03-11 广东海洋大学 Common rail diesel engine high pressure fuel pipe connecting device with leakage monitoring function

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0957262A2 (en) * 1998-05-13 1999-11-17 LUCAS INDUSTRIES public limited company Fuel injector
EP1236886A2 (en) * 2001-02-14 2002-09-04 Denso Corporation Arrangement for increasing the sealing surface pressure of fluid conducting system
EP1288486A2 (en) * 2001-09-04 2003-03-05 Robert Bosch Gmbh Leakage channel in a high-pressure fuel system
EP1447559A1 (en) * 2001-11-02 2004-08-18 Bosch Automotive Systems Corporation Fuel passage sealing structure of fuel injection nozzle
EP1674715A1 (en) * 2004-12-24 2006-06-28 Denso Corporation Injector
EP1895152A1 (en) * 2005-06-15 2008-03-05 Bosch Corporation High-pressure seal structure, processing method for high-pressure seal surface, and fuel injection valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0957262A2 (en) * 1998-05-13 1999-11-17 LUCAS INDUSTRIES public limited company Fuel injector
EP1236886A2 (en) * 2001-02-14 2002-09-04 Denso Corporation Arrangement for increasing the sealing surface pressure of fluid conducting system
EP1288486A2 (en) * 2001-09-04 2003-03-05 Robert Bosch Gmbh Leakage channel in a high-pressure fuel system
EP1447559A1 (en) * 2001-11-02 2004-08-18 Bosch Automotive Systems Corporation Fuel passage sealing structure of fuel injection nozzle
EP1674715A1 (en) * 2004-12-24 2006-06-28 Denso Corporation Injector
EP1895152A1 (en) * 2005-06-15 2008-03-05 Bosch Corporation High-pressure seal structure, processing method for high-pressure seal surface, and fuel injection valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9353663B2 (en) 2013-11-06 2016-05-31 Continental Automotive Systems, Inc. Liquid intrusion sealing structure of a urea injector
CN106677942A (en) * 2017-01-18 2017-05-17 哈尔滨工程大学 Two-way oil inlet long-needle-valve hole-plate type electronic control fuel injector without static leakage
CN106762291A (en) * 2017-01-18 2017-05-31 哈尔滨工程大学 A kind of board-like electric-controlled fuel injector of minute hand valve opening without static leakage

Also Published As

Publication number Publication date
GB2428742A (en) 2007-02-07
JP2007040243A (en) 2007-02-15
DE102006000389A1 (en) 2007-02-15
GB0615365D0 (en) 2006-09-13

Similar Documents

Publication Publication Date Title
GB2439097B (en) Fuel injector
GB0516208D0 (en) Fuel injector
GB0625016D0 (en) Fuel injector
EP2067982A4 (en) Fuel injection valve
EP2077389A4 (en) Fuel injection valve
EP2142789A4 (en) Fuel injector assembly with injector seal retention
EP2484890B8 (en) Fuel injection valve
GB0506866D0 (en) A fuel cell arrangement
EP1965070A4 (en) Fuel injection valve
GB0616713D0 (en) Piezoelectric fuel injectors
EP1811168A4 (en) Fuel injection valve
EP2314854A4 (en) Gas fuel injection valve
EP2108811A4 (en) Fuel injection valve
EP2041822A4 (en) Improved fuel cell assembly
GB0617806D0 (en) Fuel cell assembly
EP2146084A4 (en) Fuel injection valve
EP1857665A4 (en) Fuel injection valve
GB0512424D0 (en) Fuel injector
GB2428742B (en) Fuel Injector with a high pressure fuel seal structure
EP1905110A4 (en) Fuel supply with improved connecting valve
EP2000661A4 (en) Fuel injection valve
GB2449014B (en) Fuel injector having recessed check top
GB2452955B (en) Fuel injector
GB0508665D0 (en) Fuel injector
GB0604597D0 (en) A fuel cell assembly

Legal Events

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

Effective date: 20150802