Document Type and Number:
Japanese Patent JPS6213204
Kind Code:
U
Abstract:
An apparatus for controlling a hydraulic single acting cylinder has first and second solenoid operated valves disposed in a supply line through which a working fluid is supplied to a working chamber defined in the cylinder which a piston is disposed, a third solenoid operated valve disposed in a return line through which the working fluid returns from the working chamber to a hydraulic tank, and a control unit for controlling the first to third solenoid operated valves. The second and third solenoid operated valves are solenoid operated proportional pressure control valves so that the piston speed can be regulated.
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Application Number:
JP10494485U
Publication Date:
January 27, 1987
Filing Date:
July 10, 1985
Export Citation:
International Classes:
F15B9/09; F16D48/02; F16D48/06; G05D3/20; (IPC1-7): F15B9/09; F16D25/11
Domestic Patent References:
| JPS5124479A | 1976-02-27 | |||
| JPS5941044A | 1984-03-07 | |||
| JPS5947504A | 1984-03-17 |