Fuel pump

Details Fuel pump Fuel pump

1977-09-14

1979-05-08

Freeh, William L.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

417471, F04B 4504

Patent

active

041533941

ABSTRACT:
A fuel pump comprises an outer casing, which is made by drawing a steel sheet, caulkedly fitted to a diecast lower body. The outer casing is constricted in three stages. The second stage contains a seal-receiving flange at the open-side end of a cup-shaped inlet chamber shell, so that the inlet chamber shell contacts the inside surface of the outer casing. Also, the inlet chamber shell is brazed to the inside of the top of the outer casing for the purpose of rust prevention. Ribs are projected on the top of the outer casing to decrease its vibration and noise.

REFERENCES:
patent: 3200758 (1965-08-01), Grabiel
patent: 3294240 (1966-12-01), Korte
patent: 3304880 (1967-02-01), Gold et al.
patent: 3362341 (1968-01-01), Quatredeniers et al.
patent: 3364869 (1968-01-01), Toschkoff
patent: 3364870 (1968-01-01), Quatredeniers et al.
patent: 3635598 (1972-01-01), Sieper
patent: 3811803 (1974-05-01), Frohberg
patent: 3912423 (1975-10-01), Pfabe

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