Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type
Patent
1978-07-19
1980-04-15
Cline, William R.
Fluid handling
Self-proportioning or correlating systems
Supply and exhaust type
137118, 60403, B62D 508, F16K 1110
Patent
active
041978714
ABSTRACT:
A vehicle power steering system which effects steering with a pair of fluid actuated cylinders, one cylinder being operatively connected to each steerable wheel. Each cylinder is normally powered independently of the other cylinder so that both cylinders steer the vehicle. A pressurized fluid flow from a single source is divided for parallel flow along companion fluid flow paths to the individual cylinders. In response to a pre-determined pressure decrease sensed in one of those fluid flow paths a pressure responsive fluid diverter automatically diverts fluid flow from the reduced pressure flow path to the companion path so that all pressurized fluid in the system is then utilized to power one of the cylinders.
REFERENCES:
patent: 3509958 (1970-05-01), Lang
patent: 3657888 (1972-04-01), Zirps
patent: 3779266 (1973-12-01), Fruth
patent: 3865211 (1975-02-01), Liebert et al.
patent: 3905438 (1975-09-01), Runyon et al.
Cline William R.
Fluid Controls Inc.
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