Power assisted steering gear

Details Power assisted steering gear Power assisted steering gear

1983-05-23

1985-01-22

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

180148, F15B 1316

Patent

active

044944462

ABSTRACT:
A power assisted steering gear has a toothed part 1 such as a pinion coupled through a torque responsive rod 12 to an input shaft 4 so that rotation of the shaft 4 rotates the pinion 1 to drive an output member having a servo motor associated therewith. Fluid flow to the servo motor for power assistance is controlled by a valve 6 by displacement of component parts of the valve during relative rotation between the input shaft 4 and the pinion 1 as permitted by the rod 12.
The toothed part 1 is rotatably borne in the housing by a bearing 16 which journals a shaft part 19 formed by an extension of the rod 12 through the toothed part 1.
The valve 6 and pinion 1 may form a unified assembly 7 carried on the shaft 4 and which is inserted into and removed from the housing 3 in unit manner.

REFERENCES:
patent: 3930554 (1976-01-01), Ward
patent: 4178835 (1979-12-01), Millard
patent: 4294325 (1981-10-01), Nomura
patent: 4378030 (1983-03-01), Duffy

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