Hydrostatically operated continuously variable transmission

Details Hydrostatically operated continuously variable transmission Hydrostatically operated continuously variable transmission

1988-09-08

1991-10-22

Look, Edward K.

Power plants

Pressure fluid source and motor

Input pump and rotary output motor system having...

60489, F16D 3900

Patent

active

050583824

ABSTRACT:
A hydrostatically operated continuously variable transmission for use with an engine includes a swash-plate-type axial-piston hydraulic pump and a swash-plate-type axial-piston hydraulic motor which are interconnected by a closed hydraulic circuit. The pump and motor cylinders of the pump and the motor are disposed coaxially with each other and integrally coupled to each other into a cylinder block. An input shaft connected to an engine is coupled centrally to the cylinder block, and a output tubular shaft connected to a load is relatively rotatably disposed on an outer periphery of the cylinder block. The pump swash plate of the pump is supported by a stationary machine frame. The motor swash plate of the motor is supported by the output tubular shaft.

REFERENCES:
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patent: 2844002 (1958-07-01), Pavesi
patent: 3161023 (1964-12-01), Margolin et al.
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patent: 3314234 (1967-04-01), Orshansky, Jr.
patent: 3364680 (1968-01-01), Osojnak
patent: 4735050 (1988-04-01), Hayashi et al.
patent: 4741251 (1988-05-01), Hayashi et al.
patent: 4745748 (1988-05-01), Hayashi et al.
patent: 4748898 (1988-06-01), Hayashi et al.

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