Regenerating pump with graphite and plastic casing and impeller

Details Regenerating pump with graphite and plastic casing and impeller Regenerating pump with graphite and plastic casing and impeller

1991-06-28

1992-08-25

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Specific casing or vane material

41555,1, 415915, 416241A, 264130, 264299, F01D 102

Patent

active

051413965

ABSTRACT:
A feed unit, in particular for the feed of fuel, has an electric drive motor with a pump unit coupled with it, the pump unit being built of two housing parts and a pump wheel arranged between them. The two housing parts and the pump wheel are each developed as a casting or compression molding from a mixture of graphite and plastic. The end surfaces of the pump wheel and of the two housing parts which contact each other are roughened.

REFERENCES:
patent: 2905093 (1959-09-01), Raub et al.
patent: 4449891 (1984-05-01), Kemmner
patent: 4492515 (1985-01-01), Watanabe et al.
patent: 4834400 (1989-05-01), Lebeck
patent: 4973068 (1990-11-01), Lebeck

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