Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1993-07-23
1994-09-20
Schwadron, Martin P.
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
251 25, 251 52, 13750525, F16K 31122
Patent
active
053482697
ABSTRACT:
A timed watering system for lawns, gardens, and the like, utilizing a flow actuated timer valve. The system is configured to provide a reliable and cost effective, easily implemented system for automatically dispensing a pre-determined amount of water on the area to be watered, with the valve shutting off the flow automatically once the desired amount of water has flowed through the valve. The present system can also be installed directly into the water system by municipal authorities or the like as a means of controlling the use of water and preventing waste of same. Upon reaching the predetermined maximum amount, flow to outdoor faucets would cease, and could not be re-initiated until the end of the month, when the meter is read and the valve re-set. This design may also be utilized in a reverse flow configuration, wherein the backflow pressure initiates closure of the valve, allowing for automated filling of tanks, or preventing damage to equipment to excessive pressure or lack of adequate flow. Another embodiment of the present invention teaches the utilization of a permeable membrane situated in a metering chamber, for allowing the passage of a predetermined amount of liquid in a solution through the valve, the valve closure actuated having sampled a predetermined amount of said liquid.
REFERENCES:
patent: 2488647 (1949-11-01), Teague, Jr.
patent: 2600137 (1952-06-01), Teague, Jr.
patent: 2900997 (1959-08-01), Bostock
patent: 3890999 (1975-06-01), Moskow
patent: 4090688 (1978-05-01), Workman, Jr.
Lee Kevin L.
Regard Joseph J.
Schwadron Martin P.
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