Integral engine valve cover and fuel pump

Details Integral engine valve cover and fuel pump Integral engine valve cover and fuel pump

1993-08-25

1994-06-28

Miller, Carl S.

Internal-combustion engines

Charge forming device

With fuel pump

123509, F02M 3704

Patent

active

053237501

ABSTRACT:
A fuel pump body has a chamber with one wall formed by an external diaphragm having a stem connected thereto. The fuel pump body is attached to the outside of a valve cover for a gasoline engine and the valve cover has a depression that forms an enclosure for the diaphragm. The stem passes through an aperture in the valve cover and connects to a lever pivotally attached to the underside of the valve cover. The lever engages the valve rocker arm of the engine and produces reciprocal movement of the stem and diaphragm as the rocker arm moves. The reciprocal movement of the diaphragm alternately draws fuel into the chamber through the inlet and that expels fuel through the outlet.

REFERENCES:
patent: 1963658 (1934-06-01), Ford
patent: 2104448 (1938-01-01), Babitch et al.
patent: 2449468 (1948-09-01), Greenland
patent: 2796057 (1957-06-01), Dolza
patent: 2955582 (1960-10-01), Taylor
patent: 3094976 (1963-06-01), May
patent: 3901204 (1975-08-01), Jaulmes
patent: 4391258 (1983-07-01), Claesson
patent: 4567872 (1986-02-01), Roosa
patent: 5161496 (1992-11-01), Matsushima

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