Pumps – Correlated pump and motor or clutch control – Pump distributor control
Patent
1977-09-13
1979-09-11
Croyle, Carlton R.
Pumps
Correlated pump and motor or clutch control
Pump distributor control
417519, 417900, 251367, F04B 900, F04B 1502
Patent
active
041673743
ABSTRACT:
A pump and valve arrangement includes a three-way valve at the juncture of an inlet line, an outlet line and a pumping chamber. The valve comprises a generally spherically shaped flow control member rotatable in a valve body and having an arcuate slotted passage in one side thereof adapted to communicate simultaneously with either the inlet line and pumping chamber or the outlet line and pumping chamber for alternate flow of material from the inlet line into the pumping chamber and then from the pumping chamber through the outlet line. Adjustable seat sleeves extend into the body into sealing engagement with the flow control member and a journal of the flow control member extends outwardly of the valve body and has a quick release crank attachment thereon. The pump and valve are operated in synchronism with one another by respective motors controlled from position responsive switches. The structure of the valve enables easy cleaning and servicing thereof and valve cycle times and wear on the valve are less than with prior art structures.
REFERENCES:
patent: 2032163 (1936-02-01), Bagby
patent: 2732858 (1956-01-01), Noon
patent: 3279383 (1966-10-01), Smith
patent: 3295452 (1967-01-01), Smith
patent: 3552440 (1971-01-01), Smith
patent: 3994627 (1976-11-01), Calzolari
Croyle Carlton R.
Gluck Richard E.
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