Liquid proportioning device

Details Liquid proportioning device Liquid proportioning device

1975-10-10

1978-01-17

Nilson, Robert G.

Fluid handling

Systems

System with plural openings, one a gas vent or access opening

137202, 1375991, 137604, 239317, F16K 1900

Patent

active

040686817

ABSTRACT:
The Improved Liquid Proportioning Device of this invention comprises a combination of all the features of the liquid proportioning device set forth in Applicant's prior U.S. Pat. No. 2,856,234 with the addition of a closure device including air vent means equipped with a float valve. The air vent may, in one embodiment work in combination with a flow-diverting conduit, where closure means are provided for the air vent and the flow-diverting conduit.

REFERENCES:
patent: 2425070 (1947-08-01), Nicolette
patent: 2613994 (1952-10-01), Peters
patent: 2737414 (1956-03-01), Wenzel
patent: 2856234 (1958-10-01), McNair
patent: 2944561 (1960-07-01), Sellati
patent: 3926370 (1975-12-01), Vandervelden

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