DE59811027D1 - Injection valve with means for compensating the thermal change in length of a piezo actuator - Google Patents

Injection valve with means for compensating the thermal change in length of a piezo actuator

Info

Publication number
DE59811027D1
DE59811027D1 DE59811027T DE59811027T DE59811027D1 DE 59811027 D1 DE59811027 D1 DE 59811027D1 DE 59811027 T DE59811027 T DE 59811027T DE 59811027 T DE59811027 T DE 59811027T DE 59811027 D1 DE59811027 D1 DE 59811027D1
Authority
DE
Germany
Prior art keywords
compensating
length
injection valve
piezo actuator
thermal change
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.)
Revoked
Application number
DE59811027T
Other languages
German (de)
Inventor
Johannes Fitzner
Karl Kirchweger
Gerd Dr Schmutzler
Raimondo Dr Giavi
Juergen Rink
Guenter Lewentz
Stefan Lehmann
Dirk Dr Baranowski
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
Original Assignee
Siemens AG
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
Family has litigation
Priority to DE19713982 priority Critical
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE59811027T priority patent/DE59811027D1/en
Application granted granted Critical
Publication of DE59811027D1 publication Critical patent/DE59811027D1/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7825473&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE59811027(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/08Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves opening in direction of fuel flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603Injectors peculiar thereto with means directly operating the valve needle using piezo-electric or magnetostrictive operating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/167Means for compensating clearance or thermal expansion
DE59811027T 1997-04-04 1998-04-03 Injection valve with means for compensating the thermal change in length of a piezo actuator Revoked DE59811027D1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19713982 1997-04-04
DE59811027T DE59811027D1 (en) 1997-04-04 1998-04-03 Injection valve with means for compensating the thermal change in length of a piezo actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE59811027T DE59811027D1 (en) 1997-04-04 1998-04-03 Injection valve with means for compensating the thermal change in length of a piezo actuator

Publications (1)

Publication Number Publication Date
DE59811027D1 true DE59811027D1 (en) 2004-04-29

Family

ID=7825473

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59811027T Revoked DE59811027D1 (en) 1997-04-04 1998-04-03 Injection valve with means for compensating the thermal change in length of a piezo actuator

Country Status (2)

Country Link
EP (1) EP0869278B1 (en)
DE (1) DE59811027D1 (en)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19826341A1 (en) * 1998-06-12 1999-12-16 Bosch Gmbh Robert Valve for controlling liquids
DE19849203A1 (en) 1998-10-26 2000-04-27 Bosch Gmbh Robert Fuel injection valve for I.C engines with expansion compensated piezoelectric actuators
DE19909106C2 (en) * 1999-03-02 2001-08-23 Siemens Ag Temperature compensated piezoelectric actuator unit
DE19921242C1 (en) * 1999-05-07 2000-10-26 Siemens Ag Method of positioning control drive in common rail fuel injector for motor vehicle internal combustion engine
DE19928179B4 (en) * 1999-06-19 2008-07-31 Robert Bosch Gmbh piezo actuator
DE19928204A1 (en) * 1999-06-19 2000-12-21 Bosch Gmbh Robert Fuel injection valve for direct fuel-injection IC engine has valve needle which is angularly offset from valve longitudinal axis with its axis at given angle to valve actuator axis
DE19928185B4 (en) * 1999-06-19 2006-05-24 Robert Bosch Gmbh piezo actuator
US6776390B1 (en) * 1999-08-20 2004-08-17 Robert Bosch Gmbh Valve for controlling fluids
DE19946839B4 (en) * 1999-09-30 2006-07-27 Robert Bosch Gmbh Adjustment device for controlling a regulating and / or shut-off device
DE19946869A1 (en) 1999-09-30 2001-04-05 Bosch Gmbh Robert Fuel injector
DE19948359A1 (en) * 1999-10-07 2001-01-11 Siemens Ag Piezoelectric actuator unit e.g. for controlling motor vehicle combustion engine fuel injection valves
US6575138B2 (en) 1999-10-15 2003-06-10 Westport Research Inc. Directly actuated injection valve
US6584958B2 (en) 1999-10-15 2003-07-01 Westport Research Inc. Directly actuated injection valve with a ferromagnetic needle
US6298829B1 (en) * 1999-10-15 2001-10-09 Westport Research Inc. Directly actuated injection valve
US6564777B2 (en) 1999-10-15 2003-05-20 Westport Research Inc. Directly actuated injection valve with a composite needle
EP1473460B1 (en) * 1999-10-15 2007-09-12 Westport Power Inc. Directly actuated injection valve
DE19950762A1 (en) 1999-10-21 2001-04-26 Bosch Gmbh Robert Fuel injection valve has actuating body or valve needle connected to valve actuator via at least one stop actuator acting essentially perpendicular to valve actuator direction
US6313568B1 (en) * 1999-12-01 2001-11-06 Cummins Inc. Piezoelectric actuator and valve assembly with thermal expansion compensation
DE10003863B4 (en) * 2000-01-28 2004-11-18 Robert Bosch Gmbh injection
DE10037743A1 (en) * 2000-08-02 2002-02-21 Siemens Ag Piezo actuator especially for a control valve in a common rail injector system has ceramic body whose coefficient of thermal expansion corresponds with that of piezo-element
DE10040239B4 (en) * 2000-08-17 2009-04-02 Continental Automotive Gmbh Noise-damped actuator unit
WO2002031346A1 (en) * 2000-10-11 2002-04-18 Siemens Automotive Corporation Compensator assembly having a flexible diaphragm for a fuel injector and method
WO2002038948A1 (en) 2000-11-13 2002-05-16 Siemens Vdo Automotive Corporation Magneto-hydraulic compensator for a fuel injector
DE10149914A1 (en) 2001-10-10 2003-04-24 Bosch Gmbh Robert Fuel injection valve consists of an actuator located in a housing connected on the side of a valve needle to a valve body
DE10149915A1 (en) 2001-10-10 2003-04-24 Bosch Gmbh Robert Fuel injection valve for IC engine fuel injection system has piezoelectric or magnetistrictive actuator enclosed by thermal expansion compensation sleeve
DE10153630A1 (en) * 2001-10-31 2003-07-10 Bosch Gmbh Robert Fuel injector
DE10204655A1 (en) 2002-02-05 2003-08-28 Bosch Gmbh Robert Fuel injector
US6749127B2 (en) 2002-02-11 2004-06-15 Siemens Vdo Automotive Corporation Method of filling fluid in a thermal compensator
DE10308915A1 (en) * 2003-02-28 2004-09-09 Robert Bosch Gmbh Fuel injector
JP4264449B2 (en) * 2003-09-12 2009-05-20 シーメンス アクチエンゲゼルシヤフトSiemens Aktiengesellschaft Metering device
DE10345203A1 (en) * 2003-09-29 2005-05-04 Bosch Gmbh Robert Fuel injector
DE102004001679B4 (en) 2004-01-12 2009-01-08 Continental Automotive Gmbh Piezo actuator with means for compensation of the thermal length change and fuel injection valve with piezoelectric actuator
DE102004030606B4 (en) * 2004-06-24 2006-07-13 Siemens Ag Piezoelectric actuator for a fuel injector of an internal combustion engine
DE102004034520B4 (en) * 2004-07-16 2006-11-02 Siemens Ag Piezo-operated actuator
DE102004041171B3 (en) * 2004-08-25 2006-01-19 Siemens Ag Method and device for evaluating the temperature behavior of a piezoelectric actuator in a fuel injector
DE102005040365A1 (en) * 2005-08-26 2007-03-01 Robert Bosch Gmbh Fuel injector with direct needle control
US20080303644A1 (en) * 2007-06-07 2008-12-11 Scott Technologies, Inc. Sounder Assembly for a personal alert safety system
DE102007033033B4 (en) * 2007-07-16 2019-08-08 Continental Automotive Gmbh Actuator for an injection system of an internal combustion engine
DE102008060518A1 (en) * 2008-12-04 2010-07-15 Continental Automotive Gmbh Injection valve i.e. fuel injection valve, for internal-combustion engine of motor vehicle, has needle designed and arranged such that needle prevents fluid flow through nozzle in closed position and releases flow in opened condition
FI122437B (en) * 2009-05-28 2012-01-31 Waertsilae Finland Oy Fuel injector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1601306A (en) * 1978-05-08 1981-10-28 Philips Electronic Associated Fluidcontrol valve
DE3037078C2 (en) * 1980-10-01 1982-08-12 Daimler-Benz Ag, 7000 Stuttgart, De
DE3533085A1 (en) 1985-09-17 1987-03-26 Bosch Gmbh Robert Metering valve for dosing liquids or gases
DE19538791C2 (en) * 1995-10-18 1998-04-09 Daimler Benz Ag Piezo control valve for fuel injection systems of internal combustion engines

Also Published As

Publication number Publication date
EP0869278B1 (en) 2004-03-24
EP0869278A1 (en) 1998-10-07

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation