IT1318944B1 - Unita' attuatrice avente rumorosita' attenuata - Google Patents

Unita' attuatrice avente rumorosita' attenuata

Info

Publication number
IT1318944B1
IT1318944B1 IT2000MI002109A ITMI20002109A IT1318944B1 IT 1318944 B1 IT1318944 B1 IT 1318944B1 IT 2000MI002109 A IT2000MI002109 A IT 2000MI002109A IT MI20002109 A ITMI20002109 A IT MI20002109A IT 1318944 B1 IT1318944 B1 IT 1318944B1
Authority
IT
Italy
Prior art keywords
low noise
actuating unit
actuating
unit
noise
Prior art date
Application number
IT2000MI002109A
Other languages
English (en)
Inventor
Guenter Lewentz
Karen Zumstrull
Heinz Lixl
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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ITMI20002109A0 publication Critical patent/ITMI20002109A0/it
Publication of ITMI20002109A1 publication Critical patent/ITMI20002109A1/it
Application granted granted Critical
Publication of IT1318944B1 publication Critical patent/IT1318944B1/it

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
    • 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
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/306—Fuel-injection apparatus having mechanical parts, the movement of which is damped using mechanical 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
    • F02M2200/701—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger mechanical
    • 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
    • F02M61/166—Selection of particular materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Push-Button Switches (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
IT2000MI002109A 1999-09-30 2000-09-29 Unita' attuatrice avente rumorosita' attenuata IT1318944B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19947071A DE19947071B4 (de) 1999-09-30 1999-09-30 Geräuschgedämpfte Aktoreinheit

Publications (3)

Publication Number Publication Date
ITMI20002109A0 ITMI20002109A0 (it) 2000-09-29
ITMI20002109A1 ITMI20002109A1 (it) 2002-03-29
IT1318944B1 true IT1318944B1 (it) 2003-09-19

Family

ID=7923981

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000MI002109A IT1318944B1 (it) 1999-09-30 2000-09-29 Unita' attuatrice avente rumorosita' attenuata

Country Status (3)

Country Link
DE (1) DE19947071B4 (it)
FR (1) FR2799239B1 (it)
IT (1) IT1318944B1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1473460B1 (en) * 1999-10-15 2007-09-12 Westport Power Inc. Directly actuated injection valve
DE10132756B4 (de) * 2001-07-10 2005-01-27 L'orange Gmbh Stellglied für Schaltelemente von Kraftstoff-Einspritzvorrichtungen
DE102006009094A1 (de) * 2006-02-28 2007-08-30 Bayerische Motoren Werke Ag Dämpfungseinrichtung und Dämpfungselement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3345352A1 (de) * 1983-12-15 1985-06-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Sensor einer zuendsicherungseinrichtung in flugkoerpern
JPH0794812B2 (ja) * 1987-12-29 1995-10-11 トヨタ自動車株式会社 インジェクタ用アクチュエータ
DE19708781C2 (de) * 1996-03-05 1999-07-01 Tochigi Fuji Sangyo Kk Bauteil aus Kugelgraphitguß und Verfahren zur Herstellung desselben
DE19712921A1 (de) * 1997-03-27 1998-10-01 Bosch Gmbh Robert Brennstoffeinspritzventil mit piezoelektrischem oder magnetostriktivem Aktor
DE19715487C2 (de) * 1997-04-14 2002-06-13 Siemens Ag Piezoelektrischer Aktor mit einem Hohlprofil

Also Published As

Publication number Publication date
ITMI20002109A1 (it) 2002-03-29
DE19947071A1 (de) 2001-05-10
FR2799239A1 (fr) 2001-04-06
ITMI20002109A0 (it) 2000-09-29
FR2799239B1 (fr) 2006-02-10
DE19947071B4 (de) 2006-07-27

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