Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1977-07-28
1981-02-24
Scott, Samuel
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74665G, 74682, 74199, F16H 3706
Patent
active
042520339
ABSTRACT:
A variable speed transmission system comprising at least two variable ratio gears each comprising two axially spaced torous discs or rotors, one serving as an input and the other as an output between which there is a set of circumferentially spaced drive rollers in frictional rolling contact with part toroidal surfaces on the discs each roller being rotatably mounted in the bearing structure which can tilt about an axis at right angles to the axis of rotation of each roller so as to vary the distances from the gear axis at which the roller engages the two discs respectively thus varying the drive ratio of the gears, the two variable ratio gears having respective inputs include two rotors connected to respective input shafts and respective output shafts the inputs and outputs of the gears being respectively coupled together to operate in parallel and there being common hydraulic fluid supply to each of the variable ratio gears for controlling ratio change means of the respective gears.
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Anderson G.
Lucas Industries Limited
Scott Samuel
LandOfFree
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