Pneumatic timing device

Details Pneumatic timing device Pneumatic timing device

1976-02-17

1978-02-07

Cohan, Alan

Fluid handling

Systems

Programmer or timer

235201ME, 251 29, G05B 1144

Patent

active

040721728

ABSTRACT:
An instantaneous signal applied to the inlet of the timing device is passed through a restrictor into a capacitance and the resultant rising pressure is compared with an adjustable-level reference pressure signal which defines the timing period. When the capacitance pressure exceeds the reference signal value, a comparison signal initiates the release of an obturator. The reference pressure propagates to the outlet of the device and produces the time-delay signal.

REFERENCES:
patent: 3590582 (1971-07-01), German

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