Steering gear for a vehicle

Details Steering gear for a vehicle Steering gear for a vehicle

1988-03-21

1990-07-10

Mitchell, David M.

Motor vehicles

Surface effect vehicles

Dynamic seal or fluid curtain

74388PS, 180142, B62D 500

Patent

active

049401050

ABSTRACT:
In a steering gear having a steering correction function for causing a vehicle to correct steering when disturbance acts on a power steering gear or the vehicle, there are provided a connecting portion for connecting the input shaft to output shaft and for detecting the abnormal state; and a releasable portion for a drive unit operation of the steering drive unit interlocked with a connecting operation of the connecting mechanism. In a normally "OFF" (disengagement) state of the clutch, a steering drive control device controls a steering drive unit in accordance with a steering command from a steering control device, and a steering driving force is transmitted from the steering drive unit to the steering device through a transmissional mechanism for the steering driving force, thereby performing steering. However, in an abnormal state, the clutch mechanically detects the abnormal state and is engaged from the "OFF" state to an "ON" (engagement) state to connect the input device and the steering device. During this connection, a force acting from the steering drive unit to the steering device is released by a releasable mechanism for a drive unit operation, thereby performing manual steering.

REFERENCES:
patent: 4715464 (1987-12-01), Nakamura et al.
patent: 4730687 (1988-03-01), Chikuma et al.
patent: 4741408 (1988-05-01), Bausch et al.

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