Pump apparatus

Details Pump apparatus Pump apparatus

1982-04-19

1988-02-09

Simone, Timothy F.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Cross flow runner

415 98, 415213T, F04D 500

Patent

active

047238887

ABSTRACT:
A regenerative pump has a pump housing and a disc-like impeller mounted in the housing so as to be rotated by a motor. The impeller is provided with circumferential rows of radial vane grooves formed in the opposite end faces of the impeller adjacent to the outer periphery thereof. The rows of grooves are surrounded by a circumferential fluid passage which is formed between the impeller and the pump housing and communicated with suction and discharge ports formed in the pump housing and open to the circumferential fluid passage adjacent to the outer peripheral edges of respective end faces of the impeller. Each of the vane grooves has a bottom face which is arcuate as viewed in a radial section of the impeller. The suction port is substantially tangential to the bottom face of each vane groove in the adjacent end face of the impeller at the junction between the groove bottom face and the end face of the impeller.

REFERENCES:
patent: 1865396 (1932-06-01), Claypool
patent: 2465625 (1949-03-01), Aue
patent: 3658444 (1972-04-01), Rhodes et al.

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