Fuel pump for an automotive vehicle having a vapor discharge por

Details Fuel pump for an automotive vehicle having a vapor discharge por Fuel pump for an automotive vehicle having a vapor discharge por

1984-08-10

1986-05-27

Freeh, William L.

Rotary kinetic fluid motors or pumps

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

Cross flow runner

415213T, 417366, F04D 500

Patent

active

045913110

ABSTRACT:
A pump apparatus of a regenerative type having a vapor discharge port for avoiding a vapor lock. A portion of a circumferential fluid passage of a pump is enlarged within an angular range of 180.degree. measured from a suction port of the pump and the vapor discharge port is formed at a downstream end of such an enlarged fluid passage, so that fluid flow speed flowing through the enlarged fluid passage is relatively slow and vapored fluid can be effectively exhausted out of the fluid passage.

REFERENCES:
patent: 2217211 (1940-10-01), Brady
patent: 3418991 (1968-12-01), Shultz et al.
patent: 3545890 (1970-12-01), Hubbard et al.
patent: 3871797 (1975-03-01), Igarashi et al.
patent: 3881839 (1975-05-01), MacManus
patent: 4205947 (1980-06-01), Ruhl et al.
patent: 4231718 (1980-11-01), Ruhl et al.
patent: 4336002 (1982-06-01), Rose et al.
patent: 4403910 (1983-09-01), Watanabe et al.
patent: 4445821 (1984-05-01), Watanabe et al.

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