Electrohydraulic motor transmission vehicle drive system

Details Electrohydraulic motor transmission vehicle drive system Electrohydraulic motor transmission vehicle drive system

1987-03-19

1988-08-16

Bertsch, Richard A.

Motor vehicles

Power

Including traction motor of kind driven by noncompressible...

180 696, B60K 904

Patent

active

047637510

ABSTRACT:
An electrically operated vehicle in which a battery provides energy for driving an electric motor coupled to a pump for pressurizing hydraulic fluid that is transmitted to a hydraulic motor transmission comprising either a worm screw gear or rack gear with each end operatively connected to a piston inside a cylinder having a chamber for receiving pressurized fluid providing power for reciprocatably driving either a worm screw gear or a rack gear to operative elements for providing rotation to an output shaft operatively connected either to the axles or the differential of a vehicle. Provision is also made for the recovery of kinetic energy by the application of a series of wind generators and a series of gravitational generators responsive to vehicular movement. Additional electricity is generated by connecting a second hydraulic motor transmission to a series of alternators arranged for supplying electricity to the principal battery source for electrical power for driving the vehicle and also to a second battery source for driving the second hydraulic motor.

REFERENCES:
patent: 3948047 (1976-04-01), Gilbert
patent: 4413698 (1983-11-01), Conrad et al.
patent: 4469187 (1984-09-01), Hagin et al.
patent: 4481841 (1984-11-01), Abthoff et al.
patent: 4588040 (1986-05-01), Albright, Jr. et al.

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