Circumferential flow type liquid pump

Details Circumferential flow type liquid pump Circumferential flow type liquid pump

1992-03-19

1994-12-27

Kwon, John T.

Rotary kinetic fluid motors or pumps

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

Turbine regenerative pump

4151691, F04D 500

Patent

active

053759702

ABSTRACT:
A circumferential flow type liquid pump has, and a pump casing including a pump base and a pump cover. The pump casing rotatably supports an impeller and defines an elongated arcuate pump flow path along the outer periphery of the impeller and a suction inlet and a discharge outlet at both ends of the pump flow path. A plurality of gas venting holes are formed in a sliding surface of the pump cover along the pump flow path and communicate with the outside of the pump. Bubbles formed in the fuel in the pump flow path are positively discharged out of the pump casing assembly, and no vapor lock is caused.

REFERENCES:
patent: 4586877 (1986-05-01), Watanabe et al.
patent: 4591311 (1986-05-01), Matsuda et al.
patent: 4793766 (1988-12-01), Kumata
patent: 4915582 (1990-04-01), Nishikawa
patent: 5009575 (1991-04-01), Hanai et al.
patent: 5192184 (1993-03-01), Nobuo et al.
patent: 5221178 (1993-06-01), Yoshioka et al.

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