DE19881448D2 - Injection nozzle with piezoelectric actuator - Google Patents

Injection nozzle with piezoelectric actuator

Info

Publication number
DE19881448D2
DE19881448D2 DE19881448T DE19881448T DE19881448D2 DE 19881448 D2 DE19881448 D2 DE 19881448D2 DE 19881448 T DE19881448 T DE 19881448T DE 19881448 T DE19881448 T DE 19881448T DE 19881448 D2 DE19881448 D2 DE 19881448D2
Authority
DE
Germany
Prior art keywords
injection nozzle
piezoelectric actuator
piezoelectric
actuator
nozzle
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
DE19881448T
Other languages
German (de)
Inventor
Gunter Guerich
Hermann Josef Laumen
Karl Joachim Schmuecker
Martin Duesterhofft
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.)
FEV Europe GmbH
Original Assignee
FEV Motorentechnik GmbH and Co KG
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 DE19744235A external-priority patent/DE19744235A1/en
Application filed by FEV Motorentechnik GmbH and Co KG filed Critical FEV Motorentechnik GmbH and Co KG
Priority to DE19881448T priority Critical patent/DE19881448D2/en
Application granted granted Critical
Publication of DE19881448D2 publication Critical patent/DE19881448D2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
    • F16K31/007—Piezoelectric stacks
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/88—Mounts; Supports; Enclosures; Casings
    • H10N30/886—Additional mechanical prestressing means, e.g. springs
    • 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
    • F02M2200/26—Fuel-injection apparatus with elastically deformable elements other than coil springs
    • 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
    • F02M2200/706—Valves for filling or emptying hydraulic chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
DE19881448T 1997-10-07 1998-09-17 Injection nozzle with piezoelectric actuator Expired - Fee Related DE19881448D2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19881448T DE19881448D2 (en) 1997-10-07 1998-09-17 Injection nozzle with piezoelectric actuator

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19744235A DE19744235A1 (en) 1997-10-07 1997-10-07 Fuel injection nozzle for IC engine
DE19826830 1998-06-16
PCT/EP1998/005922 WO1999018346A1 (en) 1997-10-07 1998-09-17 Injection nozzle with a piezoelectric actuator
DE19881448T DE19881448D2 (en) 1997-10-07 1998-09-17 Injection nozzle with piezoelectric actuator

Publications (1)

Publication Number Publication Date
DE19881448D2 true DE19881448D2 (en) 2000-04-13

Family

ID=26040642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19881448T Expired - Fee Related DE19881448D2 (en) 1997-10-07 1998-09-17 Injection nozzle with piezoelectric actuator

Country Status (2)

Country Link
DE (1) DE19881448D2 (en)
WO (1) WO1999018346A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000071885A1 (en) * 1999-05-21 2000-11-30 Siemens Aktiengesellschaft Fuel injection valve for an internal combustion engine
US6260541B1 (en) 2000-04-26 2001-07-17 Delphi Technologies, Inc. Hydraulic lash adjuster
DE10037388A1 (en) * 2000-08-01 2002-02-21 Bosch Gmbh Robert Valve arrangement, in particular for a fuel injection system of an internal combustion engine
US7429815B2 (en) * 2006-06-23 2008-09-30 Caterpillar Inc. Fuel injector having encased piezo electric actuator
US8100346B2 (en) * 2007-11-30 2012-01-24 Caterpillar Inc. Piezoelectric actuator with multi-function spring and device using same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803393A (en) * 1986-07-31 1989-02-07 Toyota Jidosha Kabushiki Kaisha Piezoelectric actuator
JPH0794812B2 (en) * 1987-12-29 1995-10-11 トヨタ自動車株式会社 Actuator for injector
US5113108A (en) * 1988-11-04 1992-05-12 Nec Corporation Hermetically sealed electrostrictive actuator
DE19519192C1 (en) * 1995-05-24 1996-06-05 Siemens Ag Injector

Also Published As

Publication number Publication date
WO1999018346A1 (en) 1999-04-15

Similar Documents

Publication Publication Date Title
DE69407565D1 (en) FUEL INJECTION NOZZLE
DE59807059D1 (en) FUEL INJECTION
DE59814146D1 (en) PIEZOELECTRIC ACTUATOR WITH A HOLLOW PROFILE
DE59712741D1 (en) FUEL INJECTION VALVE
DE59806045D1 (en) FUEL INJECTION VALVE
DE59803427D1 (en) FUEL INJECTION VALVE
DE59809337D1 (en) FUEL INJECTION VALVE
DE69922465D1 (en) Fuel injection valve with piezoelectric injection curve control
DE59712158D1 (en) PIEZOELECTRIC ACTUATOR
DE69820351D1 (en) Fuel injection control device
DE69812760D1 (en) Fuel injection valve
PT918093E (en) COEAL JET INJECTION HANDLE
DE59806710D1 (en) FUEL INJECTION
DE59809574D1 (en) FUEL INJECTION VALVE OR FUEL INJECTION NOZZLE
DE59807859D1 (en) FUEL INJECTION VALVE
DE59804494D1 (en) FUEL INJECTION VALVE
DE59809577D1 (en) FUEL INJECTION VALVE
DE59808465D1 (en) INJECTION VALVE WITH CONTROL VALVE
DE69814244T2 (en) Fuel injection valve
DE69819832D1 (en) Piezoelectric actuator
DE69825023D1 (en) Fuel injection valve
DE69923516D1 (en) Piezoelectric actuator and fuel injector with the actuator
DE59804130D1 (en) FUEL INJECTION VALVE
DE59813768D1 (en) Fuel injection valve
DE19881448D2 (en) Injection nozzle with piezoelectric actuator

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: F02M 4702

8139 Disposal/non-payment of the annual fee