Cam actuated valve

Details Cam actuated valve Cam actuated valve

1997-12-12

1999-05-04

Lee, Kevin

Valves and valve actuation

Electrically actuated valve

Including solenoid

251251, F16K 3104, F16K 31524

Patent

active

058994378

ABSTRACT:
A cam actuated valve method and apparatus utilize an electronically controlled stepper motor driving a cam. A diaphragm type low flow, high accuracy diaphragm valve is positioned off axis with respect to the cam. A transmission translates linear motion of the cam to the valve diaphragm. High accuracy is maintained because the transmission is preloaded by pressure within the valve and the valve diaphragm.

REFERENCES:
patent: 3614057 (1971-10-01), Hospe
patent: 4448391 (1984-05-01), Young
patent: 4508143 (1985-04-01), Ogasawara

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