Power assisted rack and pinion steering gear

Details Power assisted rack and pinion steering gear Power assisted rack and pinion steering gear

1974-09-09

1976-04-20

Cohen, Irwin C.

Motors: expansible chamber type

With motive fluid valve

For double-acting motor

74498, 92108, 92109, 92136, 180155, B62D 510, F15B 1108, F15B 1304

Patent

active

039510450

ABSTRACT:
A compact rack and pinion steering gear having a hydraulically operated power cylinder concentric with respect to an internal cylindrical tube slidably supporting a pinion driven rack. The piston of the power cylinder is slidably mounted in the power cylinder and on the internal tube so that the teeth of the rack can pass through the plane of fluid sealing means adjacent to one end of the power unit to provide for a shortened rack length. The power cylinder is actuated by fluid pressure and is operatively connected to a rotary valve by one external line and by an internal passage in the valve housing. Protective flexible boot seals are provided at each end of the assembly which are pneumatically interconnected by an internal passage formed by existing structure in the assembly.

REFERENCES:
patent: 1612226 (1926-12-01), Sheldon
patent: 1627539 (1927-05-01), Halleck
patent: 2847078 (1958-08-01), Muller
patent: 3103986 (1963-09-01), Barton et al.
patent: 3554048 (1971-01-01), Adams
patent: 3646852 (1972-03-01), Shields

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