Motors: expansible chamber type – With motive fluid valve – Both inlet and exhaust controlled by motive fluid pressure...
Patent
1995-04-06
1997-04-01
Michalsky, Gerald A.
Motors: expansible chamber type
With motive fluid valve
Both inlet and exhaust controlled by motive fluid pressure...
91447, 91459, 13759617, 25112914, F15B 13044
Patent
active
056155948
ABSTRACT:
A hydraulic control valve formed as a magnet valve with several connections and switching positions, comprises a housing provided with several connections, a valve slider displaceable in the housing, an electromagnet provided with an extensible plunger for controlling the valve slider, a valve seat provided in the housing, a ball movable between a closing position and an opening position with respect to the valve seat, a closing spring which urges the ball to the closing position. The ball is bringable by the valve slider to the opening position under the action of a force of the electromagnet, a valve body is firmly but exchangeably inserted in the valve housing so that the valve slider is guided in the valve body. The valve body accommodates the valve slider, the ball and a closing spring which presses the ball against the valve seat. A plurality of conduits are provided, including a pressure conduit, a control conduit and a consumer conduit. The opening which receives the control slider is bringable in flow communication with the pressure conduit, the consumer conduit and the control conduit. The valve slider is provided with a ring surface associated with the control conduit, so that a required pressure in the consumption conduit is determined by a magnitude of at least one of the ring surface, and a magnet force.
REFERENCES:
patent: 4312380 (1982-01-01), Leiber et al.
patent: 5081904 (1992-01-01), Horn et al.
patent: 5282329 (1994-02-01), Teranishi
patent: 5454292 (1995-10-01), Oudelaar
Claas CHG Beschrankt Haftende Offene Handelsgesellschaft
Michalsky Gerald A.
Striker Michael J.
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