Wells – Automatic – Float controlled valve
Patent
1979-08-13
1981-02-10
Pate, III, William F.
Wells
Automatic
Float controlled valve
116228, 73321, 166113, 417 40, E21B 3402, E21B 4704
Patent
active
042495989
ABSTRACT:
An outdoor well depth indicator including a sleeve vertically slidable along a pipe extending above the well house and connected by a line to a float on the surface of the water in the well. The indicator sleeve can be seen from a distance and from any direction around a well. Also disclosed is a cutoff system for terminating a supply of water from the well when the level of water in the well reaches a minimum desired level, without immediately shutting off the pump motor.
REFERENCES:
patent: 2371339 (1945-03-01), Markwark
patent: 2677816 (1954-05-01), Quisr
patent: 3384178 (1968-05-01), Agnew et al.
patent: 3754360 (1973-08-01), Herr
patent: 4065226 (1977-12-01), Campbell
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