Variable flow gas valve

Details Variable flow gas valve Variable flow gas valve

1987-10-27

1989-06-13

Rivell, John

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

137883, 251205, 251266, 25112911, 34087035, 5456, F16K 3700, F16K 3102, A47C 2710

Patent

active

048383090

ABSTRACT:
A multi-outlet, variable flow, gas valve connects a blower to the pipes and comprises a housing defining an inlet and a passageway. The valve housing further defines at least two cylinder chambers communicating with the passageway and a discrete outlet for each cylinder chamber communicating therewith. A piston is substantially non-rotatably disposed inside each cylinder chamber and has a threaded opening through the center thereof which receives a threaded portion of a rotatable shaft therethrough. One end of the shaft is rotated by a motor, and the other end of the shaft is connected to an axle of a potentiometer.

REFERENCES:
patent: 1805106 (1931-05-01), Robinson
patent: 1850850 (1932-03-01), Peterson
patent: 1898147 (1933-02-01), Smith
patent: 2914088 (1959-11-01), Beaman et al.
patent: 3068902 (1962-12-01), Brumbaugh
patent: 3092141 (1963-06-01), Stark
patent: 3433261 (1969-03-01), Fox
patent: 3459221 (1969-08-01), Axelrod
patent: 3563268 (1971-02-01), Williams
patent: 3810136 (1974-05-01), Lang et al.
patent: 3820094 (1974-06-01), Mouri et al.
patent: 4471942 (1984-09-01), Kocanowski
patent: 4609074 (1986-09-01), Berrend

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