Pumps – With condition responsive pumped fluid control – Reversibly driven pump having bypass active in either flow...
Patent
1978-12-07
1981-02-17
Gluck, Richard E.
Pumps
With condition responsive pumped fluid control
Reversibly driven pump having bypass active in either flow...
417311, 417310, 418266, F04B 4908
Patent
active
042511925
ABSTRACT:
A rotary pump for pumping liquids is provided. The pump is compact with a bypass system built into the pump housing. The pump is symmetrical about a center line so it can pump liquids in opposite directions simply by reversing the rotation of the drive shaft and without making any changes in the pump itself. The bypass also is designed to open equally with liquids flowing in either direction. The pump has self-lubricating vanes or blades which are designed so that the liquid being pumped can move behind the blades and urge them outwardly against the pump chamber wall, with the liquid also helping to lubricate the blades. The pump also has improved mechanical seals and bearings for the drive shaft.
REFERENCES:
patent: 542920 (1895-07-01), Berry
patent: 722185 (1903-03-01), Robinson
patent: 1496291 (1924-06-01), Beckwith
patent: 2423436 (1947-07-01), Blom
patent: 2586147 (1952-02-01), Caserta
patent: 3076414 (1963-02-01), Adams
patent: 3188096 (1965-06-01), Wilkinson
patent: 3655206 (1972-04-01), Adams
patent: 3724972 (1973-04-01), Guetersloh
Gluck Richard E.
Gutchess, Jr. Allen D.
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