Priority steer system--hydraulic

Details Priority steer system--hydraulic Priority steer system--hydraulic

1975-07-11

1977-01-11

Goodman, Philip

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

60422, B62D 508

Patent

active

040022200

ABSTRACT:
A hydraulic system for an electric-powered vehicle, such as a lift truck or the like, supplies pressurized fluid for a hydraulic steering system for the vehicle and for hydraulic motors for manipulating the implements of the vehicle, and includes a priority system for directing all fluid flow from the pump to the steering system circuit until a predetermined minimum pressure is achieved therein, after which fluid is made available to the implement circuit. These are provided in the system for automatically cutting off the electric motor for powering the pump of the system when no demand is made on the hydraulic system.

REFERENCES:
patent: 2850879 (1958-09-01), Schnabel
patent: 2875843 (1959-03-01), Price
patent: 2880586 (1959-04-01), Lincoln
patent: 2995382 (1961-08-01), Heitzman
patent: 3334705 (1967-08-01), Lam
patent: 3911679 (1975-10-01), Matthews

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