Timing device for a fluid signal and fluid actuator therefor

Details Timing device for a fluid signal and fluid actuator therefor Timing device for a fluid signal and fluid actuator therefor

1976-12-29

1978-10-17

Cohan, Alan

Fluid handling

Convertible

Units interchangeable between alternate locations

13762411, 251 73, F16K 31165

Patent

active

041203216

ABSTRACT:
A timing device includes a timing means which effects movement of a motion transmitting member at a selected rate to establish a timed interval of selected duration, upon expiration of which interval a fluid signal is provided at a given point in a fluid circuit. The timing device is actuated by a fluid actuator which utilizes diaphragms with flexible portions to eliminate dynamic seals. Means is provided for enabling actuation of the timing device in response to a relatively short-term activating pulse.

REFERENCES:
patent: 2984216 (1961-05-01), Greenlees
patent: 3931832 (1976-01-01), Hodler
patent: 4018249 (1977-04-01), Lameyre

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