Valve arrangement with main shifting valve and pilot control val

Details Valve arrangement with main shifting valve and pilot control val Valve arrangement with main shifting valve and pilot control val

1988-05-23

1989-01-10

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

251 3002, 25112917, F15B 13043, F16K 3142

Patent

active

047966629

ABSTRACT:
A valve arrangement with a main shifting valve and a pilot control valve in which the main shifting valve controls the connection between an inlet line and an outlet line. Depending on the position of the pilot control valve, a control pressure space is connected with the inlet line and is therewith acted upon with the inlet pressure, respectively, is relieved of the pressure by a connection with an essentially pressureless return line in order to close, respectively, open the main shifting valve. As the inlet, outlet and return lines terminate on the same bottom side of the socket, the valve arrangement can be arranged in a particularly simple manner on a line plate of a hydraulic, respectively, pneumatic shifting arrangement.

REFERENCES:
patent: 4409638 (1983-10-01), Sturman et al.

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