Pumps – Diverse pumps – Moving partition or cylinder of rotary pump forms or...
Patent
1992-12-30
1993-12-21
Bertsch, Richard A.
Pumps
Diverse pumps
Moving partition or cylinder of rotary pump forms or...
417313, 418267, F04B 2310
Patent
active
052717208
ABSTRACT:
A vane pump has a plurality of outwardly spring loaded vanes mounted within slots respectively formed in a rotor. The internal surface of the stator of the pump is of cylindrical form, and end plates at the opposite ends of the rotor and stator have inlet and outlet ports formed therein. Each vane is provided with a transfer port which communicates with the inner end of the associated slot and the transfer port is positioned to register with the inlet and outlet ports so that the movement of the vanes within the slots contributes to the pumping action.
REFERENCES:
patent: 2861517 (1958-11-01), Neff
patent: 2967489 (1961-01-01), Harrington
patent: 3120154 (1964-02-01), Gilreath
patent: 3223044 (1965-12-01), Adams et al.
patent: 4374632 (1983-02-01), Wilcox
patent: 4521167 (1985-06-01), Cavalleri et al.
Bertsch Richard A.
Lucas Industries Public Limited Company
McAndrews, Jr. Roland G.
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