Fluid handling – Systems – Programmer or timer
Patent
1980-01-07
1981-07-28
Cohan, Alan
Fluid handling
Systems
Programmer or timer
222 20, 1375991, 239 68, F16K 3148
Patent
active
042805309
ABSTRACT:
A water-flow-control device adapted to be positioned within water systems which are generally used for watering lawns and gardens, as well as for distributing water over larger areas of land such as for agricultural use, whereby the device permits a predetermined amount of water to be discharged in a positive and accurate manner in accordance with the time period for which the device is set, the device comprising a housing having an inlet-flow chamber and an outlet-flow chamber, wherein the inlet chamber includes an impeller and the outlet chamber includes a hinged flow-valve member which closes under both spring action and water pressure, the two chambers being interconnected by a flow passage which is provided with a pressure-release valve. A timing device is connected to the flow valve and is operated by the impeller, the impeller having a mechanism whereby the rate of water flow can be controlled from a low to high range.
REFERENCES:
patent: 1775293 (1930-09-01), Pfening
patent: 3097762 (1963-07-01), Charnota
patent: 3169666 (1965-02-01), Rinkewich
patent: 3187570 (1965-06-01), Mueller
patent: 3810562 (1974-05-01), Clarke
patent: 4180099 (1979-12-01), Moore
patent: 4202467 (1980-05-01), Rutten
Cohan Alan
Lojacono Francis X.
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