Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1977-01-25
1979-04-24
Schwadron, Martin P.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
137595, 137613, 137606, G05D 1103
Patent
active
041506847
ABSTRACT:
A mixing valve comprising a rigid structure containing an interior recess and inlet and discharge ports in communication therewith, and weir plates and a slide plate confined in the recess for movement of the weir plates transversely of the recess with respect to the ports and for movement of the slide plate longitudinally of the recess with respect to the ports, said weir plates and slide plate containing openings which in predetermined positions of the plates are aligned in exact registration with the ports, and which can be moved relative to each other and to the ports to vary both the ratio of the fluids to be mixed to each other and the total flow of the fluids through the mixing valve. The fluids to be mixed are delivered to the inlet ports through conductors and the mixed fluids are delivered from the discharge ports through conductors to a mixing chamber and there are pneumatically operable flow control valves, a control circuit for controlling operation of the pneumatically operable flow control valves and a starting circuit operable in the event that the pressure of the fluids to be mixed is below a predetermined set pressure to disable the control circuit.
REFERENCES:
patent: 1077881 (1913-11-01), Higgins
patent: 1530858 (1925-03-01), Shaw
patent: 2032641 (1936-03-01), Thomas
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patent: 2332995 (1943-10-01), Eaton
patent: 2486017 (1949-10-01), Furkert
patent: 2633859 (1953-04-01), Klosse
patent: 3521663 (1970-07-01), Brinkerhoff et al.
patent: 3621878 (1971-11-01), Smith
patent: 3635252 (1972-01-01), Botnick
patent: 3809109 (1974-05-01), Breiling et al.
Bronstein Sewall P.
Gammons Robert T.
Schwadron Martin P.
Spiegel H. Jay
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