Motors: expansible chamber type – With motive fluid valve – Both inlet and exhaust controlled by motive fluid pressure...
Patent
1991-03-25
1993-02-16
Michalsky, Gerald A.
Motors: expansible chamber type
With motive fluid valve
Both inlet and exhaust controlled by motive fluid pressure...
91 31, 91459, 13759617, 13762565, 3031192, F15B 13044
Patent
active
051860937
ABSTRACT:
The pressure-regulating system for a hydraulic circuit, comprises at least one generator (22) of fluid under pressure, a hydraulic motor (20), a reservoir (24) of fluid under low pressure and a solenoid valve controlled by a computer and comprising an electrical coil (1) and a sliding magnetic core (3) controlling a slide (7) which slides in a bore provided in a body (9). The slide (7) defines two chambers (11, 15) arranged on either side of the slide (7) in the bore, and it comprises a hydraulic cell (26) communicating with the hydraulic motor (20) and determining a reaction force added to the force generated by the coil (1), counter to a prestressed elastic means (131) and to a return spring (132) returning the slide (7) and the core (3) to the rest position.
REFERENCES:
patent: 3880476 (1975-04-01), Belart et al.
patent: 3995652 (1976-12-01), Belart et al.
patent: 4478250 (1984-10-01), Lukasczyk et al.
patent: 4485843 (1974-12-01), Wolff
patent: 4643225 (1987-02-01), Imhof
patent: 4744389 (1988-05-01), Ichihashi
Bendix Europe Services Techniques
Decker Ken C.
Michalsky Gerald A.
Palguta Larry J.
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