Fluid handling – Systems – Programmer or timer
Patent
1975-11-12
1977-04-19
Cohan, Alan
Fluid handling
Systems
Programmer or timer
13759614, F15B 2110
Patent
active
040182495
ABSTRACT:
A bleed valve can take two distinct positions, whereby in the first, in the absence of control pressure, it applies its orifice against a timing device by pneumatic means which it maintains set and in the second it is removed from the device by a certain distance before being caught up by the latter.
This apparatus is used in automatic pneumatic control systems.
REFERENCES:
patent: 3931832 (1976-01-01), Holder
Cohan Alan
Drucker William Anthony
La Telemecanique Electrique
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