Fluid handling – Systems – Programmer or timer
Patent
1987-10-28
1989-02-28
Cohan, Alan
Fluid handling
Systems
Programmer or timer
239 69, 364420, F16K 3148
Patent
active
048076643
ABSTRACT:
A programmable flow control valve unit has a valve assembly with a solid state control cooperating with a programmable timing device to provide the operating mode for the purpose of operating the valve unit for a predetermined time period or periods in order to achieve the functioning of the valve assembly to thereby move a fluid such as a gas, a liquid, or a slurry to a particular place in a desired time pattern. The time periods may be set individually or by a repeat mode.
REFERENCES:
patent: 2846119 (1958-08-01), Robbins
patent: 4592505 (1986-06-01), Bruninga
patent: 4633905 (1987-01-01), Wang
Anesi Dennis W.
Williamsen Mark S.
Wilson Dennis A.
Ansan Industries Ltd.
Cohan Alan
P. Perrone, Jr. Mathew R.
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