Fuel pump assembly of fuel injection system

Details Fuel pump assembly of fuel injection system Fuel pump assembly of fuel injection system

1979-06-29

1981-04-28

Moore, Christopher K.

Pumps

Expansible chamber type

Having pulsation dampening fluid receiving space

138 30, F04B 1100

Patent

active

042642876

ABSTRACT:
The casing of a fuel pump section having a motor-driven fuel pump is integrally formed with a damper which is provided with a damping chamber for damping fuel pressure pulsation. The damping chamber is communicable with the interior of the casing of the fuel pump section through apertures formed through the outer wall of the casing so that the damping chamber is supplied with fuel pressurized by the fuel pump. A resilient umbrella type check valve member is securely disposed to cover the apertures of the outer wall of the casing of the fuel pump section so that the fuel flows only in a direction from the interior of the casing to the damping chamber.///

REFERENCES:
patent: 2662723 (1953-12-01), Coffey
patent: 3143969 (1964-08-01), Eames et al.
patent: 3146724 (1964-09-01), Cornelsen
patent: 3540482 (1970-11-01), Fulmer

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