Electric-hydraulic car

Details Electric-hydraulic car Electric-hydraulic car

1992-03-27

1993-07-27

Culbreth, Eric D.

Motor vehicles

Power

Including traction motor of kind driven by noncompressible...

180305, B60K 1700

Patent

active

052304027

ABSTRACT:
An electric car is powered from a primary power source in the form of a three-phase parallel resonant electric motor operated at a constant speed (the speed of resonance). The electric motor is provided with operating power from an invertor coupled to storage batteries in the electric car. The motor drives a main hydraulic pump, which is hydraulically connected with a pair of variable displacement drive motors, each connected to different drive wheels on opposite sides of the vehicle. The fluid flow through the pump is varied from 0% to 100% to control the speed of operation of the drive motors connected to the drive wheels of the vehicle.

REFERENCES:
patent: 3912033 (1975-10-01), Ancel
patent: 4395878 (1983-08-01), Morita et al.
patent: 5158150 (1992-10-01), Askeland et al.

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