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FR2791740B1 - ADJUSTING DEVICE SUBJECT TO PRESSURE, PARTICULARLY FOR FUEL INJECTOR - Google Patents

ADJUSTING DEVICE SUBJECT TO PRESSURE, PARTICULARLY FOR FUEL INJECTOR

Info

Publication number
FR2791740B1
FR2791740B1 FR0004129A FR0004129A FR2791740B1 FR 2791740 B1 FR2791740 B1 FR 2791740B1 FR 0004129 A FR0004129 A FR 0004129A FR 0004129 A FR0004129 A FR 0004129A FR 2791740 B1 FR2791740 B1 FR 2791740B1
Authority
FR
France
Prior art keywords
pressure
adjusting device
fuel injector
device subject
subject
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
FR0004129A
Other languages
French (fr)
Other versions
FR2791740A1 (en
Inventor
Peter Hubl
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of FR2791740A1 publication Critical patent/FR2791740A1/en
Application granted granted Critical
Publication of FR2791740B1 publication Critical patent/FR2791740B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1433—End caps
    • 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
    • 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
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
FR0004129A 1999-03-31 2000-03-31 ADJUSTING DEVICE SUBJECT TO PRESSURE, PARTICULARLY FOR FUEL INJECTOR Expired - Fee Related FR2791740B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1999114713 DE19914713C2 (en) 1999-03-31 1999-03-31 Actuator under pressure

Publications (2)

Publication Number Publication Date
FR2791740A1 FR2791740A1 (en) 2000-10-06
FR2791740B1 true FR2791740B1 (en) 2004-04-23

Family

ID=7903148

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0004129A Expired - Fee Related FR2791740B1 (en) 1999-03-31 2000-03-31 ADJUSTING DEVICE SUBJECT TO PRESSURE, PARTICULARLY FOR FUEL INJECTOR

Country Status (2)

Country Link
DE (1) DE19914713C2 (en)
FR (1) FR2791740B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10147792C2 (en) * 2001-09-27 2003-10-16 Siemens Ag Fuel injection valve
DE10210317A1 (en) * 2002-03-08 2003-09-25 Bosch Gmbh Robert High pressure element for injection systems with reduced leakage
DE10216622B3 (en) * 2002-04-15 2004-01-08 Siemens Ag One-piece control module for a fuel injector
AT501851B1 (en) * 2004-07-28 2008-05-15 Bosch Gmbh Robert CONNECTION OF CABLES FOR HIGH PRESSURE MEDIA
DE102008002169A1 (en) * 2008-06-03 2009-12-10 Robert Bosch Gmbh high pressure pump
DE102008031273A1 (en) 2008-07-02 2010-01-07 Continental Automotive Gmbh Nozzle needle for nozzle assembly group of fuel injector, particularly common rail injector for combustion chamber, comprises guide piston for supporting nozzle needle in nozzle body

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE549823C (en) * 1928-09-18 1932-05-02 Ref Appbau G M B H Fuel injector
DE2032005A1 (en) * 1970-06-29 1972-01-05 Robert Bosch Gmbh, 7000 Stuttgart Fuel injector
DE2109502B2 (en) * 1971-03-01 1972-08-17 Burmeister & Wains Mot Mask SEAL ARRANGEMENT FOR A GAP BETWEEN TWO COAXIAL ROTATING CYLINDRICAL ELEMENTS
DE2521339A1 (en) * 1975-05-14 1976-11-25 Uraca Pumpenfabrik Gmbh Sealing bush for pump piston shaft - is elastically deformable to maintain pressure levels in pump
DE9417852U1 (en) * 1994-11-08 1994-12-15 Kuhnke GmbH, 23714 Malente Piston-cylinder unit
US5899136A (en) * 1996-12-18 1999-05-04 Cummins Engine Company, Inc. Low leakage plunger and barrel assembly for high pressure fluid system

Also Published As

Publication number Publication date
DE19914713A1 (en) 2000-10-05
DE19914713C2 (en) 2003-10-23
FR2791740A1 (en) 2000-10-06

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20101130