Drive connection for fuel pump rotor

Details Drive connection for fuel pump rotor Drive connection for fuel pump rotor

1990-08-21

1992-04-21

Smith, Leonard E.

Pumps

Motor driven

Electric or magnetic motor

403354, 403379, 464 51, 416204R, F04B 2100

Patent

active

051062771

ABSTRACT:
A fuel pump for an internal combustion engine has a rotor which is driven by the extended, rotating, mounting shaft of an electric motor armature. The shaft, with a round cross-section, extends through a round hole in the rotor with a firm fit but the shaft is slotted axially to receive the bight of a U-shaped wire which has slightly diverging legs. The rotor has axially directed, tapered, drive holes spaced from the axis on each side of the hole in the rotor. The legs project into the tapered drive holes and are retained by the resilience of the U-shaped wire.

REFERENCES:
patent: 2811867 (1957-11-01), Hogberg
patent: 2954991 (1960-10-01), Seider
patent: 2972493 (1961-02-01), Waters
patent: 3169032 (1965-02-01), Pastor
patent: 3342273 (1967-09-01), Crane
patent: 3947149 (1976-03-01), MacManus
patent: 4246976 (1981-01-01), McDonald, Jr.
patent: 4557672 (1985-12-01), Levine
patent: 4715777 (1987-12-01), Tuckey
patent: 4784587 (1988-11-01), Takei et al.
patent: 4958984 (1990-09-01), Aoi et al.
patent: 4958997 (1990-09-01), Harwath
patent: 4978282 (1990-12-01), Fu et al.

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