Control valve device

Details Control valve device Control valve device

1991-06-13

1992-08-11

Rosenthal, Arnold

Valves and valve actuation

Lost motion between actuator and valve

25112911, 25112905, F16K 3104

Patent

active

051372550

ABSTRACT:
A control valve device for controlling flow rate, comprises: valve holder (31) linearly moved forward and backward by a driving unit (2), said valve holder serving as a converting mechanism for converting a rotary motion of driving means into a linear motion; valve piece (32) being supported by the front end of the valve holder while movable back and forth direction, and fitted into a valve seat (1b) when the valve holder advances toward the valve seat; and a spring (37) interposed between the valve piece and the valve holder for urging valve piece toward the valve seat.

REFERENCES:
patent: 3488030 (1970-01-01), Hulme et al.
patent: 3554483 (1971-01-01), Kuwik et al.
patent: 4723753 (1988-02-01), Torimoto et al.

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