GB664497A - Variable-speed transmission - Google Patents

Variable-speed transmission

Info

Publication number
GB664497A
GB664497A GB10117/48A GB1011748A GB664497A GB 664497 A GB664497 A GB 664497A GB 10117/48 A GB10117/48 A GB 10117/48A GB 1011748 A GB1011748 A GB 1011748A GB 664497 A GB664497 A GB 664497A
Authority
GB
United Kingdom
Prior art keywords
speed
masses
governed
pressure
centrifugal
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
Application number
GB10117/48A
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.)
Packard Motor Car Co
Original Assignee
Packard Motor Car Co
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 Packard Motor Car Co filed Critical Packard Motor Car Co
Publication of GB664497A publication Critical patent/GB664497A/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • F16H61/0262—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 hydraulic
    • F16H61/0265—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 hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
    • F16H61/0267—Layout of hydraulic control circuits, e.g. arrangement of valves
    • F16H61/0269—Layout of 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
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H2045/002—Combinations of fluid gearings for conveying rotary motion with couplings or clutches comprising a clutch between prime mover and fluid gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)

Abstract

664,497. Centrifugal governors. PACKARD MOTOR CAR CO. April 12, 1948 [April 12, 1947], No. 10117/48. Class 57 [Also in Group XXIV] A centrifugal governor E, driven by the output shaft of a motor-vehicle change-speed gear, which it automatically controls, is supplied with oil at an inlet 598 by a constantpressure pump 577 driven by the governor shaft 346, and supplies speed-responsive pressure to an outlet 576, leading to ratiocontrolling shift - valves 508, 548, under control of an axially-slidable inner valve-element 604, which is moved upwardly, in opposition to governed outlet pressure acting on its upper face, by centrifugal masses 618 pivoted at 620 on the governorshaft. Initially the masses act upwardly on the valve-element 604 through a spring 614 and the linkage is such that over this range the governed pressure is proportional to the first power of the vehicle-speed. Above a predetermined vehicle-speed (53 m.p.h.) a pin 617, actuated by the masses, contacts the valve-element 604, which is thereby moved positively by the masses, resulting in further increase in governed pressure being proportional to the second power of the speed.
GB10117/48A 1947-04-12 1948-04-12 Variable-speed transmission Expired GB664497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US664497XA 1947-04-12 1947-04-12

Publications (1)

Publication Number Publication Date
GB664497A true GB664497A (en) 1952-01-09

Family

ID=22069567

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10117/48A Expired GB664497A (en) 1947-04-12 1948-04-12 Variable-speed transmission

Country Status (1)

Country Link
GB (1) GB664497A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2305953A1 (en) * 1972-02-07 1973-08-16 Srm Hydromekanik Ab VEHICLE POWER TRANSMISSION DEVICE
WO2004085877A2 (en) * 2003-03-28 2004-10-07 Zf Friedrichshafen Ag Hydrodynamic converter comprising a primary clutch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2305953A1 (en) * 1972-02-07 1973-08-16 Srm Hydromekanik Ab VEHICLE POWER TRANSMISSION DEVICE
WO2004085877A2 (en) * 2003-03-28 2004-10-07 Zf Friedrichshafen Ag Hydrodynamic converter comprising a primary clutch
WO2004085877A3 (en) * 2003-03-28 2005-01-27 Zahnradfabrik Friedrichshafen Hydrodynamic converter comprising a primary clutch

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