Hydraulic bicycle with conjugate drive motors

Details Hydraulic bicycle with conjugate drive motors Hydraulic bicycle with conjugate drive motors

1996-04-08

1998-06-30

Hurley, Kevin

Land vehicles

Wheeled

Occupant propelled type

280259, 180308, 60468, B62M 1900

Patent

active

057722250

ABSTRACT:
A device for transmitting power between mechanical movements which includes a fluid pump coupled to a first mechanical movement for pumping a fluid, a fluid motor coupled to a second mechanical movement and a manifold connecting the fluid pump and the fluid motor capable of conducting fluid output from the fluid pump to the fluid motor to drive the fluid motor and recirculate the fluid back to said fluid pump. Either the fluid pump and/or the fluid motor incorporates a conjugate drive motion translator. The power transmission is suitable for use on a bicycle replacing the typical gears and chain and preferably includes a shunt to permit the motor to override the pump, an apportionment valve to control the ratio of movement between a first and second mechanical movement, and a brake valve for stopping the second mechanical movement.

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patent: B15259256 (1995-06-01), Brackett

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