Power steering system for electric-drive lift truck

Details Power steering system for electric-drive lift truck Power steering system for electric-drive lift truck

1975-04-25

1976-08-24

Wood, Jr., M. H.

Motor vehicles

Surface effect vehicles

Dynamic seal or fluid curtain

60404, 60418, B62D 506

Patent

active

039761584

ABSTRACT:
A hydraulic system for an electrically powered lift truck or the like supplies pressurized fluid for powering implements and for powering a hydraulic power steering system which is provided with hydraulic accumulator means for accumulating a supply of pressurized fluid for providing fluid for steering the vehicle for a predetermined period of time. A pressure-responsive charging valve is provided for maintaining a minimum amount of pressure in the accumulator and includes control means responsive to system pressure for activation and deactivation of an electric motor for powering a pump for the system.

REFERENCES:
patent: 2330739 (1943-09-01), Piron
patent: 3083533 (1963-04-01), Schenkelberger

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