Safety arrangement for power assisted steerings

Details Safety arrangement for power assisted steerings Safety arrangement for power assisted steerings

1985-08-22

1986-12-02

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-proportioning flow systems

60403, 60422, B62D 507

Patent

active

046257489

ABSTRACT:
In the supply of a power-assisted steering and an additional hydraulic system with fluid the power-assisted steering has priority so that when the steering is actuated the influx of fluid to the hydraulic system is correspondingly throttled by a priority valve. When a leak occurs in the hydraulic system, the influx of fluid to the hydraulic system is completely shut off when the oil level in the reservoir drops to a lower limit value. The closure of the priority valve is effected by a switch valve which is disposed in one of the control pressure lines of the priority valve and which is rendered currentless on response of the sensor for the fluid level.

REFERENCES:
patent: 4461315 (1984-07-01), May

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