초록 ▼

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 f

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. Either the fluid pump and/or fluid motor may be of a variable output design incorporating a crankshaft of variable stroke, adjustable on-the-fly.

대표청구항 ▼

[ We claim:] [1.] A transmission for transmitting power between a first mechanical movement and a second mechanical movement, comprising a fluid pump coupled to said first mechanical movement for pumping a fluid; a fluid motor coupled to said second mechanical movement; and a manifold connecting sai

[ We claim:] [1.] A transmission for transmitting power between a first mechanical movement and a second mechanical movement, comprising a fluid pump coupled to said first mechanical movement for pumping a fluid; a fluid motor coupled to said second mechanical movement; and a manifold connecting said fluid pump and said fluid motor, said manifold capable of conducting fluid output from said fluid pump to said fluid motor to drive said fluid motor and recirculating said fluid back to said fluid pump, at least one of said fluid pump and said fluid motor incorporating a conjugate drive motion translator, and one of said fluid pump and said fluid motor having a variable displacement volume which is attributable to an adjustable stroke crankshaft.