ATE316205T1 - FUEL INJECTION VALVE - Google Patents

FUEL INJECTION VALVE

Info

Publication number
ATE316205T1
ATE316205T1 AT04002029T AT04002029T ATE316205T1 AT E316205 T1 ATE316205 T1 AT E316205T1 AT 04002029 T AT04002029 T AT 04002029T AT 04002029 T AT04002029 T AT 04002029T AT E316205 T1 ATE316205 T1 AT E316205T1
Authority
AT
Austria
Prior art keywords
fuel injection
injection valve
coupler
gap
valve
Prior art date
Application number
AT04002029T
Other languages
German (de)
Inventor
Rene Deponte
Fevzi Yildirim
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of ATE316205T1 publication Critical patent/ATE316205T1/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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • 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
    • F02M61/167—Means for compensating clearance or thermal expansion

Abstract

A valve needle (14) operates a valve-closing body (15). A hydraulic coupler (40) has a piston (37) that partly engages into a retaining hole and forms a coupler gap (50,51) with the hole. The gap is filled with hydraulic fluid and surrounded by a first balancing area restricted by a first coupler membrane (41).
AT04002029T 2003-03-10 2004-01-30 FUEL INJECTION VALVE ATE316205T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10310297A DE10310297A1 (en) 2003-03-10 2003-03-10 Fuel injector

Publications (1)

Publication Number Publication Date
ATE316205T1 true ATE316205T1 (en) 2006-02-15

Family

ID=32748176

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04002029T ATE316205T1 (en) 2003-03-10 2004-01-30 FUEL INJECTION VALVE

Country Status (3)

Country Link
EP (1) EP1457662B1 (en)
AT (1) ATE316205T1 (en)
DE (2) DE10310297A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1546542B1 (en) * 2003-09-08 2007-01-24 Siemens Aktiengesellschaft Injection valve for injecting fuel into an internal combustion engine
EP1803929B1 (en) * 2005-12-12 2010-03-24 Continental Automotive Italy S.p.A. Fluid injector and method for manufacturing a fluid injector
DE102007008901B4 (en) * 2007-02-23 2008-10-16 Compact Dynamics Gmbh Fluid injection valve
DE102007053423A1 (en) * 2007-11-09 2009-05-14 Robert Bosch Gmbh Piezoelectric actuator module
DE102009046356A1 (en) * 2009-11-03 2011-05-05 Robert Bosch Gmbh Actuator module and fuel injector
DE102011087005A1 (en) * 2011-11-24 2013-05-29 Robert Bosch Gmbh Valve for metering a flowing medium
CN107091355B (en) * 2017-06-28 2023-05-30 哈尔滨工程大学 Bypass type piezoelectric type external guide gas injection valve with axial air inlet

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10030232A1 (en) * 2000-06-20 2002-01-17 Siemens Ag Device for transmitting a movement with play compensation
DE10140796A1 (en) * 2001-08-20 2003-03-06 Bosch Gmbh Robert Fuel injector
JP4288182B2 (en) * 2002-04-22 2009-07-01 シーメンス アクチエンゲゼルシヤフト Metering device for fluids, especially injection valves for automobiles

Also Published As

Publication number Publication date
DE502004000246D1 (en) 2006-04-06
EP1457662A1 (en) 2004-09-15
DE10310297A1 (en) 2004-09-23
EP1457662B1 (en) 2006-01-18

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee