Aggregate for delivering fuel from a fuel supply tank to an inte

Details Aggregate for delivering fuel from a fuel supply tank to an inte Aggregate for delivering fuel from a fuel supply tank to an inte

1985-01-17

1986-12-16

Croyle, Carlton R.

Pumps

Diverse pumps

Including rotary nonexpansible chamber type

417205, 417247, 418171, F04C 226, F04C 1100

Patent

active

046293990

ABSTRACT:
An aggregate for delivering fuel from a fuel supply tank to an internal combustion engine of a motor vehicle comprises an electric drive motor, on the output shaft of which an inner rotor, having teeth on the peripheral surface, is positioned, and a ring-shaped outer rotor surrounding the inner rotor and having inner teeth meshing with the teeth of the inner rotor to form a gear pump. Fuel-conveying vanes are provided on at least one rotor to form a regenerative-type pump. The regenerative-type pump is connected in series to the gear pump as seen in the direction of the fuel supply.

REFERENCES:
patent: 1968113 (1934-07-01), Weaver
patent: 2189976 (1940-02-01), de Lavand
patent: 4264288 (1981-04-01), Wusthof et al.
patent: 4449891 (1984-05-01), Kemmer
patent: 4462761 (1984-07-01), Ringwald
2 sheets of information on the "Gerotor Pump", mentioned on p. 10 of the specification.

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