IT976565B - Valvole di controllo di un fluido - Google Patents

Valvole di controllo di un fluido

Info

Publication number
IT976565B
IT976565B IT12409/73A IT1240973A IT976565B IT 976565 B IT976565 B IT 976565B IT 12409/73 A IT12409/73 A IT 12409/73A IT 1240973 A IT1240973 A IT 1240973A IT 976565 B IT976565 B IT 976565B
Authority
IT
Italy
Prior art keywords
fluid
control valves
valves
control
Prior art date
Application number
IT12409/73A
Other languages
English (en)
Original Assignee
Ass Eng 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 Ass Eng Ltd filed Critical Ass Eng Ltd
Application granted granted Critical
Publication of IT976565B publication Critical patent/IT976565B/it

Links

Classifications

    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0206—Layout of electro-hydraulic control circuits, e.g. arrangement of valves
    • F16H61/0211—Layout of electro-hydraulic control circuits, e.g. arrangement of valves characterised by low integration or small number of valves
    • 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
    • F16H—GEARING
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
    • F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04—Smoothing ratio shift
    • F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
    • F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
    • F16H2061/0255—Solenoid valve using PWM or duty-cycle control
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0206—Layout of electro-hydraulic control circuits, e.g. arrangement of valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S477/00—Interrelated power delivery controls, including engine control
    • Y10S477/906—Means detecting or ameliorating the effects of malfunction or potential malfunction

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Transmission Device (AREA)
IT12409/73A 1972-01-14 1973-01-11 Valvole di controllo di un fluido IT976565B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB196372A GB1382331A (en) 1972-01-14 1972-01-14 Automatic transmission control systems

Publications (1)

Publication Number Publication Date
IT976565B true IT976565B (it) 1974-09-10

Family

ID=9731142

Family Applications (2)

Application Number Title Priority Date Filing Date
IT12410/73A IT984732B (it) 1972-01-14 1973-01-11 Sistemi automatici di comando della trasmissione
IT12409/73A IT976565B (it) 1972-01-14 1973-01-11 Valvole di controllo di un fluido

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT12410/73A IT984732B (it) 1972-01-14 1973-01-11 Sistemi automatici di comando della trasmissione

Country Status (5)

Country Link
US (1) US3868869A (it)
JP (1) JPS4880951A (it)
DE (1) DE2301618A1 (it)
GB (1) GB1382331A (it)
IT (2) IT984732B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2431351B2 (de) * 1974-06-29 1976-05-20 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Elektrohydraulische gangwechseleinrichtung eines lastschaltbaren wechselgetriebes fuer kraftfahrzeuge
US4290324A (en) * 1978-10-04 1981-09-22 Regie Nationale Des Usines Renault Apparatus for controlling an automatic transmission
DE2901051A1 (de) * 1979-01-12 1980-07-24 Bosch Gmbh Robert Hydraulische regeleinrichtung fuer die schaltelemente von lastschaltgetrieben
US4296649A (en) * 1979-04-04 1981-10-27 Deere & Company Hydraulically operated transmission control
JPS5643034A (en) * 1979-09-13 1981-04-21 Fuji Heavy Ind Ltd Four wheel drive with automatic transmission
US4481877A (en) * 1979-09-13 1984-11-13 Fuji Jukogyo Kabushiki Kaisha Automatic transmission for four wheel drive automotive vehicles
JPS5643035A (en) * 1979-09-13 1981-04-21 Fuji Heavy Ind Ltd Four wheel drive with automatic transmission
JPS57167554A (en) * 1981-04-04 1982-10-15 Honda Motor Co Ltd Transmission for vehicle
JPS5830555A (ja) * 1981-07-21 1983-02-23 Toyota Motor Corp 車輛用自動変速機の制御方法
GB2126291B (en) * 1982-07-12 1985-12-18 Honda Motor Co Ltd Method of controlling a creep preventing device for a vehicle equipped with automatic transmission
DE3465277D1 (en) * 1983-09-15 1987-09-17 Zahnradfabrik Friedrichshafen Hydrostatic-mechanical transmission
JP2757304B2 (ja) * 1988-08-25 1998-05-25 マツダ株式会社 変速機の油圧制御装置
JP2800340B2 (ja) * 1990-01-17 1998-09-21 トヨタ自動車株式会社 車輌用自動変速機の変速制御方法
BE1004806A3 (nl) * 1990-11-22 1993-02-02 Volvo Car Sint Truiden Nv Inrichting voor het regelen van een continu variabele transmissie bij motorvoertuigen.
SE532850C2 (sv) * 2007-11-09 2010-04-20 Selden Mast Ab Anordning för linvinsch på segelbåt

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4815541B1 (it) * 1968-10-28 1973-05-15
US3604288A (en) * 1968-10-30 1971-09-14 Nissan Motor Electronic control system for automotive automatic transmission
JPS499536B1 (it) * 1969-07-18 1974-03-05
SE356936B (it) * 1970-03-19 1973-06-12 Zahnradfabrik Friedrichshafen
JPS4836496B1 (it) * 1970-08-06 1973-11-05
US3738193A (en) * 1972-02-04 1973-06-12 Nippon Denso Co Working oil pressure control system for automatic transmission with torque converters

Also Published As

Publication number Publication date
US3868869A (en) 1975-03-04
JPS4880951A (it) 1973-10-30
DE2301618A1 (de) 1973-07-19
GB1382331A (en) 1975-01-29
IT984732B (it) 1974-11-20

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