Motor vehicles – Power – Electric
Patent
1977-04-22
1979-11-27
Peters, Jr., Joseph F.
Motor vehicles
Power
Electric
B60K 2510
Patent
active
041756320
ABSTRACT:
Disclosed herein is a vehicle comprising a frame, a drive wheel supported by the frame, a direct current motor supported by the frame, a drive train connecting the direct current motor and the drive wheel and including a variable speed "V" belt drive with a rotatably carried pulley including a non-axially movable sheave and an axially movable sheave, and a spring biasing the axially movable sheave away from the non-axially movable sheave, a hydraulic circuit for regulating the axial position of the axially movable sheave and including a pump driven by the motor, a hydraulic cylinder piston assembly in communication with the pump and mechanically connected to the axially movable sheave for applying a force urging the axially movable sheave toward the non-axially movable sheave, and a control for regulating the pressure of the fluid in the hydraulic cylinder piston assembly to regulate the axial force applied to the axially movable sheave.
REFERENCES:
patent: 3202234 (1965-08-01), Osborne
patent: 3424260 (1969-01-01), Stone et al.
patent: 3424261 (1969-01-01), Sheldon
patent: 3818293 (1974-06-01), Wood
patent: 4024926 (1977-05-01), Butoi
Church Gene A.
Peters Jr. Joseph F.
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