FR2235535B1 - - Google Patents

Info

Publication number
FR2235535B1
FR2235535B1 FR7421446A FR7421446A FR2235535B1 FR 2235535 B1 FR2235535 B1 FR 2235535B1 FR 7421446 A FR7421446 A FR 7421446A FR 7421446 A FR7421446 A FR 7421446A FR 2235535 B1 FR2235535 B1 FR 2235535B1
Authority
FR
France
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
Application number
FR7421446A
Other versions
FR2235535A1 (fr
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.)
CAV Ltd
Original Assignee
CAV Ltd
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 CAV Ltd filed Critical CAV Ltd
Publication of FR2235535A1 publication Critical patent/FR2235535A1/fr
Application granted granted Critical
Publication of FR2235535B1 publication Critical patent/FR2235535B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
    • 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
    • H10N30/802—Drive or control circuitry or methods for piezoelectric or electrostrictive devices not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening
FR7421446A 1973-06-28 1974-06-20 Expired FR2235535B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3087773A GB1465904A (en) 1973-06-28 1973-06-28 Control circuits

Publications (2)

Publication Number Publication Date
FR2235535A1 FR2235535A1 (fr) 1975-01-24
FR2235535B1 true FR2235535B1 (fr) 1976-10-15

Family

ID=10314520

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7421446A Expired FR2235535B1 (fr) 1973-06-28 1974-06-20

Country Status (6)

Country Link
US (1) US3911298A (fr)
JP (1) JPS5642151B2 (fr)
DE (1) DE2431148C2 (fr)
FR (1) FR2235535B1 (fr)
GB (1) GB1465904A (fr)
IT (1) IT1016181B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1016752B (it) * 1974-08-01 1977-06-20 Fiat Spa Circuito per il comando simultaneo impulsivo e la commutazione automa tica da trasmissione a ricezione per sistemi impieganti una plurali ta di trasduttori piezoelettrici ad ultrasuoni
NL7805804A (nl) * 1978-05-29 1979-12-03 Philips Nv Inrichting voor het aanleggen van een stuurspanning over een pieezo-elektrisch positioneringselement.
DE3048632A1 (de) * 1980-12-23 1982-07-22 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer piezoelektrisches stellglied und dergleichen
DE3048631A1 (de) * 1980-12-23 1982-07-22 Siemens AG, 1000 Berlin und 8000 München Stellglied mit piezokeramischem koerper
US4748954A (en) * 1984-07-16 1988-06-07 Nippon Soken, Inc. Electrostrictive actuator device and fuel injection device using same
DE3522994A1 (de) * 1985-06-27 1987-01-08 Diehl Gmbh & Co Steuerschaltung fuer ein piezostellglied
JP2853119B2 (ja) * 1987-01-21 1999-02-03 トヨタ自動車株式会社 ピエゾアクチユエータ駆動回路
JPH0614077Y2 (ja) * 1987-08-11 1994-04-13 トヨタ自動車株式会社 燃料噴射弁用電歪式アクチュエ−タの駆動回路
US5680073A (en) * 1993-06-08 1997-10-21 Ramot University Authority For Applied Research & Industrial Development Ltd. Controlled semiconductor capacitors
US5714831A (en) * 1995-11-13 1998-02-03 Wisconsin Alumni Research Foundation Method and apparatus for improved control of piezoelectric positioners
DE19709717C1 (de) * 1997-03-10 1998-09-24 Siemens Ag Vorrichtung und Verfahren zum Ansteuern wenigstens eines kapazitiven Stellgliedes
JP4063073B2 (ja) * 2002-12-26 2008-03-19 株式会社デンソー ピエゾアクチュエータ装置
US7385182B2 (en) * 2005-08-05 2008-06-10 Nicholas Plastics Incorporated Temperature sensing circuit having a controller for measuring a length of charging time

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3315102A (en) * 1963-01-14 1967-04-18 Electromation Components Corp Piezoelectric liquid cleaning device
US3351539A (en) * 1965-04-06 1967-11-07 Branson Instr Sonic agitating method and apparatus
US3500799A (en) * 1967-09-27 1970-03-17 Physics Int Co Electromechanical control system
US3801893A (en) * 1970-02-19 1974-04-02 Philips Corp Pulse generator using bi-lateral solid state breakover device energized by an ac signal

Also Published As

Publication number Publication date
DE2431148A1 (de) 1975-01-16
FR2235535A1 (fr) 1975-01-24
IT1016181B (it) 1977-05-30
JPS5036833A (fr) 1975-04-07
GB1465904A (en) 1977-03-02
US3911298A (en) 1975-10-07
JPS5642151B2 (fr) 1981-10-02
DE2431148C2 (de) 1983-06-09

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Legal Events

Date Code Title Description
ST Notification of lapse