Fuel pump seal and insulator assembly

Details Fuel pump seal and insulator assembly Fuel pump seal and insulator assembly

1996-01-31

1997-02-18

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

With fuel pump

277235B, F02M 3704

Patent

active

056033044

ABSTRACT:
A fuel pump insulator assembly is mounted on a fuel pump. The fuel pump insulator assembly comprises insulating fasteners, an insulating gasket and a seal. The insulating gasket provides a thermal barrier between an engine and a fuel pump, whereby heat from the engine is not transferred to the fuel pump. The seal seals the fuel pump from the engine, whereby hot engine oil is not allowed to splash into the fuel pump. The insulating fasteners reduce heat transfer from the engine through the fasteners to the fuel pump. The insulating fasteners each comprise a elongated cylindrical body portion having an opening longitudinally therethrough with an insulating washer disposed at one end thereof. The insulating gasket has opposing flange portions which depend from a main portion with an elongated opening therethrough. The seal comprises a flange mounting seal portion with a fuel arm seal portion depending therefrom. The flange mounting seal portion has opposing flange portions which depend from a main portion with an opening therethrough. The fuel arm seal portion depends from the flange mounting seal portion and includes an opening or flap through which the fuel pump arm of the fuel pump passes.

REFERENCES:
patent: 1963658 (1934-06-01), Ford
patent: 2104448 (1938-01-01), Babitch et al.
patent: 4508072 (1985-04-01), Takami et al.
patent: 4917069 (1990-04-01), Kuhlen

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