Motors: expansible chamber type – Working member position feedback to motive fluid control – Electrical input and feedback signal means
Patent
1979-01-02
1980-11-25
Maslousky, Paul E.
Motors: expansible chamber type
Working member position feedback to motive fluid control
Electrical input and feedback signal means
91426, 91461, 91465, F15B 1316
Patent
active
042351553
ABSTRACT:
A delaying device for a fluid system for operating a hydraulic motor (10) wherein electrically operated pilot valves (39,40) are actuated by limit switches (13,13') in the motor to control flow through pilot lines (37,38) into a control block (20) and then to and from the motor, said delaying device comprising a dashpot cylinder (46) connected to said pilot lines for momentarily continuing to supply fluid to said control block (20) after pilot valve (39 or 40) is shut off.
REFERENCES:
patent: 3301137 (1967-01-01), D'Alba et al.
patent: 3334547 (1967-08-01), Grundmonn
patent: 3365624 (1968-01-01), Komendera
patent: 3540348 (1970-11-01), Pennther
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