LU90684B1 - Fuel injector with piezoelectric actuator - Google Patents

Fuel injector with piezoelectric actuator

Info

Publication number
LU90684B1
LU90684B1 LU90684A LU90684A LU90684B1 LU 90684 B1 LU90684 B1 LU 90684B1 LU 90684 A LU90684 A LU 90684A LU 90684 A LU90684 A LU 90684A LU 90684 B1 LU90684 B1 LU 90684B1
Authority
LU
Luxembourg
Prior art keywords
fuel injector
piezoelectric actuator
piezoelectric
actuator
injector
Prior art date
Application number
LU90684A
Inventor
Manfred Kolkman
Original Assignee
Delphi Tech 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
Application filed by Delphi Tech Inc filed Critical Delphi Tech Inc
Priority to LU90684A priority Critical patent/LU90684B1/en
Priority to EP01127223A priority patent/EP1209351B1/en
Priority to DE60111164T priority patent/DE60111164T2/en
Application granted granted Critical
Publication of LU90684B1 publication Critical patent/LU90684B1/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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
    • F02M63/0036—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat with spherical or partly spherical shaped valve member ends
    • 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
    • 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
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
LU90684A 2000-11-28 2000-11-28 Fuel injector with piezoelectric actuator LU90684B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
LU90684A LU90684B1 (en) 2000-11-28 2000-11-28 Fuel injector with piezoelectric actuator
EP01127223A EP1209351B1 (en) 2000-11-28 2001-11-16 Fuel injector with piezoelectric actuator
DE60111164T DE60111164T2 (en) 2000-11-28 2001-11-16 Fuel injection valve with piezoelectric actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU90684A LU90684B1 (en) 2000-11-28 2000-11-28 Fuel injector with piezoelectric actuator

Publications (1)

Publication Number Publication Date
LU90684B1 true LU90684B1 (en) 2002-05-29

Family

ID=19731952

Family Applications (1)

Application Number Title Priority Date Filing Date
LU90684A LU90684B1 (en) 2000-11-28 2000-11-28 Fuel injector with piezoelectric actuator

Country Status (3)

Country Link
EP (1) EP1209351B1 (en)
DE (1) DE60111164T2 (en)
LU (1) LU90684B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10133265A1 (en) * 2001-07-09 2003-01-23 Bosch Gmbh Robert Fuel injection valve with piezoelectric or magnetostrictive actuator, has hydraulic coupling valve closure body and seat surface urged pressed together by spring
DE102005024871A1 (en) * 2005-05-31 2006-12-07 Siemens Ag Injector for diesel fuel has a control chamber, which is subjected to fluid pressure whereby nozzle needle or tappet of nozzle needle of injector is coupled fluid mechanically with servo valve
DE102005028135A1 (en) * 2005-06-17 2006-12-28 Robert Bosch Gmbh Fuel injector
US8074625B2 (en) 2008-01-07 2011-12-13 Mcalister Technologies, Llc Fuel injector actuator assemblies and associated methods of use and manufacture
US20140130773A1 (en) * 2012-11-12 2014-05-15 Mcalister Technologies, Llc Mechanical motion amplification for new thermodynamic cycles
US9309846B2 (en) 2012-11-12 2016-04-12 Mcalister Technologies, Llc Motion modifiers for fuel injection systems
US9091238B2 (en) 2012-11-12 2015-07-28 Advanced Green Technologies, Llc Systems and methods for providing motion amplification and compensation by fluid displacement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0529630A1 (en) * 1991-08-30 1993-03-03 Nippondenso Co., Ltd. Fuel injection system for engine
US5697554A (en) * 1995-01-12 1997-12-16 Robert Bosch Gmbh Metering valve for metering a fluid
EP0816670A1 (en) * 1996-07-02 1998-01-07 Siemens Automotive Corporation Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke
US5931390A (en) * 1997-01-16 1999-08-03 Daimler-Benz Ag Valve for the dosed discharge of fluids

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0529630A1 (en) * 1991-08-30 1993-03-03 Nippondenso Co., Ltd. Fuel injection system for engine
US5697554A (en) * 1995-01-12 1997-12-16 Robert Bosch Gmbh Metering valve for metering a fluid
EP0816670A1 (en) * 1996-07-02 1998-01-07 Siemens Automotive Corporation Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke
US5931390A (en) * 1997-01-16 1999-08-03 Daimler-Benz Ag Valve for the dosed discharge of fluids

Also Published As

Publication number Publication date
EP1209351B1 (en) 2005-06-01
DE60111164D1 (en) 2005-07-07
EP1209351A1 (en) 2002-05-29
DE60111164T2 (en) 2006-03-16

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