EP2582469A4 - Piezoelectric fuel injector having a temperature compensating unit - Google Patents

Piezoelectric fuel injector having a temperature compensating unit Download PDF

Info

Publication number
EP2582469A4
EP2582469A4 EP11796116.9A EP11796116A EP2582469A4 EP 2582469 A4 EP2582469 A4 EP 2582469A4 EP 11796116 A EP11796116 A EP 11796116A EP 2582469 A4 EP2582469 A4 EP 2582469A4
Authority
EP
European Patent Office
Prior art keywords
fuel injector
compensating unit
temperature compensating
piezoelectric fuel
piezoelectric
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.)
Withdrawn
Application number
EP11796116.9A
Other languages
German (de)
French (fr)
Other versions
EP2582469A2 (en
Inventor
Michael J. Frick
Michael C. Cheiky
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.)
Ecomotors Inc
Original Assignee
Ecomotors Inc
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
Priority claimed from US12/817,136 external-priority patent/US7992545B2/en
Application filed by Ecomotors Inc filed Critical Ecomotors Inc
Publication of EP2582469A2 publication Critical patent/EP2582469A2/en
Publication of EP2582469A4 publication Critical patent/EP2582469A4/en
Withdrawn legal-status Critical Current

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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
    • F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic
    • F02M2200/705—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with means for filling or emptying hydraulic chamber, e.g. for compensating clearance or thermal expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
EP11796116.9A 2010-06-16 2011-04-26 Piezoelectric fuel injector having a temperature compensating unit Withdrawn EP2582469A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/817,136 US7992545B2 (en) 2008-07-16 2010-06-16 Piezoelectric fuel injector having a temperature compensating unit
PCT/US2011/033872 WO2011159395A2 (en) 2008-07-16 2011-04-26 Piezoelectric fuel injector having a temperature compensating unit

Publications (2)

Publication Number Publication Date
EP2582469A2 EP2582469A2 (en) 2013-04-24
EP2582469A4 true EP2582469A4 (en) 2017-01-25

Family

ID=47996540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11796116.9A Withdrawn EP2582469A4 (en) 2010-06-16 2011-04-26 Piezoelectric fuel injector having a temperature compensating unit

Country Status (2)

Country Link
EP (1) EP2582469A4 (en)
CN (1) CN103415350B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6213414B1 (en) * 1999-04-28 2001-04-10 Bobert Bosch Gmbh Fuel injector
US6739528B2 (en) * 2000-10-11 2004-05-25 Siemens Automotive Corporation Compensator assembly having a flexible diaphragm and an internal filling tube for a fuel injector and method
US20100024776A1 (en) * 2008-07-16 2010-02-04 Frick Michael J Piezoelectric fuel injector having a temperature compensating unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2060774A1 (en) * 2007-11-16 2009-05-20 Delphi Technologies, Inc. Fuel injector
ATE551521T1 (en) * 2008-04-18 2012-04-15 Magneti Marelli Spa FUEL INJECTION NOZZLE WITH DIRECT CLOSURE OPERATION FOR COMBUSTION ENGINES

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6213414B1 (en) * 1999-04-28 2001-04-10 Bobert Bosch Gmbh Fuel injector
US6739528B2 (en) * 2000-10-11 2004-05-25 Siemens Automotive Corporation Compensator assembly having a flexible diaphragm and an internal filling tube for a fuel injector and method
US20100024776A1 (en) * 2008-07-16 2010-02-04 Frick Michael J Piezoelectric fuel injector having a temperature compensating unit

Also Published As

Publication number Publication date
CN103415350A (en) 2013-11-27
CN103415350B (en) 2016-01-20
EP2582469A2 (en) 2013-04-24

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20130704

DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ECOMOTORS, INC.

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ECOMOTORS, INC.

A4 Supplementary search report drawn up and despatched

Effective date: 20170102

RIC1 Information provided on ipc code assigned before grant

Ipc: F02M 51/00 20060101ALI20161221BHEP

Ipc: F02M 51/06 20060101ALI20161221BHEP

Ipc: B05B 15/00 20060101AFI20161221BHEP

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Effective date: 20170801