Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve
Patent
1975-03-21
1976-03-23
Weakley, Harold W.
Fluid handling
Liquid level responsive or maintaining systems
By float controlled valve
137546, 37 59, 1374939, F16K 3118
Patent
active
039453944
ABSTRACT:
Dual function valve for controlling flow of liquids or mixtures of liquids and solids has a movable seat for relief of excessive negative pressure and a buoyant gate for emergency discharge under excessive loads of solids.
REFERENCES:
patent: 661609 (1900-11-01), Hoover
patent: 2096595 (1937-10-01), Sanford
Brockett, III Frank Howard
Harthan, III Lewis John
Sullivan Arthur Francis
Kenny Raymond J.
MacQueen Ewan C.
The International Nickel Company Inc.
Weakley Harold W.
Ziegler George N.
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