Steering valve with annular sealing element for radial annular g

Details Steering valve with annular sealing element for radial annular g Steering valve with annular sealing element for radial annular g

1979-09-28

1981-03-31

Schwadron, Martin P.

Valves and valve actuation

Mechanical movement actuator

Particularly packed or sealed

277 30, 277 81R, 277188R, 277189, F16K 4100

Patent

active

042589029

ABSTRACT:
An annular gap between a valve shaft and the bore in a valve body of a steering control valve is dimensioned to accommodate relative eccentricity of parts and is sealed by a sealing gland having a rigid annular element rotatable with the valve shaft. The annular element is formed with recesses seating resilient sealing elements respectively engaging the valve shaft and an axial abutment surface of the valve body. The sealing elements are prestressed in radial directions and axial directions, respectively.

REFERENCES:
patent: 1437262 (1922-11-01), Newkirk
patent: 2825590 (1958-03-01), Sutherland
patent: 2935365 (1960-05-01), Dega
patent: 3247767 (1966-04-01), Aslan
patent: 3351350 (1967-11-01), Shepler
patent: 3469853 (1969-09-01), Gullick
patent: 3599991 (1971-08-01), Combes
patent: 3905608 (1975-09-01), Olsen et al.
patent: 4111392 (1978-09-01), Edelmann

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