Pressure agent control arrangements, especially for hydraulic st

Details Pressure agent control arrangements, especially for hydraulic st Pressure agent control arrangements, especially for hydraulic st

1978-03-24

1979-11-20

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Expansible chamber type volumetric responsive measuring...

60402, 91467, 13759613, F16D 3100

Patent

active

041746120

ABSTRACT:
The invention provides a pressure flow control valve for a booster steering system which effects an extended traverse of movement of concentric coacting valve sleeves relative to each other by a combined axial and rotary movement of the inner sleeve in order to smooth out the flow under control in pressurizing a servomotor, thus achieving an improved, or flatter, regulation curve characteristic, wherein a safe road reaction resistance to steering is effected, and wherein undesirable pressure fluctuations in the system are minimized as compared with prior art valving to reduce compressional vibration in the hydraulic system.

REFERENCES:
patent: Re25126 (1962-02-01), Charlson
patent: 2984215 (1961-05-01), Charlson
patent: 3385057 (1968-05-01), Pruvot et al.
patent: 3528521 (1970-09-01), Ellis

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