Rotary vane pump with supplemental pumping means

Pumps – Diverse pumps – Moving partition or cylinder of rotary pump forms or...

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Details

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.

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