GB429655A - Improvements in controlling mechanisms for variable speed gears - Google Patents

Improvements in controlling mechanisms for variable speed gears

Info

Publication number
GB429655A
GB429655A GB13309/34A GB1330934A GB429655A GB 429655 A GB429655 A GB 429655A GB 13309/34 A GB13309/34 A GB 13309/34A GB 1330934 A GB1330934 A GB 1330934A GB 429655 A GB429655 A GB 429655A
Authority
GB
United Kingdom
Prior art keywords
valve
control
clutch
cylinders
distributing
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
GB13309/34A
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.)
GODFREY HUBERT ARMSTRONG
Original Assignee
GODFREY HUBERT ARMSTRONG
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 GODFREY HUBERT ARMSTRONG filed Critical GODFREY HUBERT ARMSTRONG
Publication of GB429655A publication Critical patent/GB429655A/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
    • 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
    • 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
    • F16H2708/00—Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes
    • F16H2708/02—Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes only the toothed wheels remain engaged
    • F16H2708/06—Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes only the toothed wheels remain engaged the control being hydraulic or pneumatic
    • 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
    • F16H2716/00—Control devices for speed-change mechanisms of planetary gearings, with toothed wheels remaining engaged, e.g. also for devices to simplify the control or for synchronising devices combined with control devices
    • F16H2716/04—Control devices for speed-change mechanisms of planetary gearings, with toothed wheels remaining engaged, e.g. also for devices to simplify the control or for synchronising devices combined with control devices the control being hydraulic or pneumatic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

429,655. Controlling variable - speed gearing. ARMSTRONG, G. H., 81, Quai Albert, Gand, Belgium. May 2, 1934, No. 13309. Convention date, Feb. 16. [Class 80 (ii)] In fluid-pressure controlling means for epicyclic or countershaft variable-speed gearing, the fluid circulates in a closed circuit between a pump 1, driven by the engine or the driving shaft of a vehicle, a manual distributing- valve 4, and the one or more control-cylinders 16 of the gear, the path through each of the cylinders being invariable. The control cylinders 16, Fig. 5, each have an inlet-pipe 19 and an exhaust pipe 20, the latter being provided with a manual throttling-valve 32, which may, as shown in Fig. 1, be mounted on the instrument-panel of a vehicle to provide the operator with means for regulating the engagement and for producing slip. A similar effect may be obtained by means of a pedal 103 which may operate the main clutch of the vehicle, when such clutch is provided, the pedal being linked to a byepass valve 10 which short-circuits the pump 1. A fluidreservoir may or may not be provided and there is a main safety-valve 27. The controlpistons 17 are returned by springs 18. The epicyclic-gear has three brake-bands and a direct-drive friction clutch, the latter being disengaged by supplying fluid-pressure to its control-cylinder. The distributing-valve 4, Fig. 2, comprises a ported sector-shaped taper-plug 6 in a body-member 5, having, in addition to the inlet-pipe 3 and the four control-outlets 19, a further outlet 34 which serves to put the valve-body into communication with exhaust when the plug-part 33 is covering the lower-outlet leading to the direct drive clutch, thereby preserving the constant circulation. The operating-lever 12, which may turn the distributing-valve through a flexible control, is urged to the neutral position by a spring 13. In a countershaft-gear control, Fig. 6, (not shown), a pivoted clutchoperating fork is pivoted at its free end to the centre of a rod secured at each end to opposed control pistons.
GB13309/34A 1934-02-16 1934-05-02 Improvements in controlling mechanisms for variable speed gears Expired GB429655A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE429655X 1934-02-16

Publications (1)

Publication Number Publication Date
GB429655A true GB429655A (en) 1935-06-04

Family

ID=3869502

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13309/34A Expired GB429655A (en) 1934-02-16 1934-05-02 Improvements in controlling mechanisms for variable speed gears

Country Status (1)

Country Link
GB (1) GB429655A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755048C (en) * 1935-10-16 1952-09-22 Gen Motors Corp Switching device with two epicyclic gears working in series

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755048C (en) * 1935-10-16 1952-09-22 Gen Motors Corp Switching device with two epicyclic gears working in series

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