Apparatus controlling discharge volume of a carburetor accelerat

Gas and liquid contact apparatus – Fluid distribution – Pumping

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F02M 708

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045349134

ABSTRACT:
Apparatus (1) for use with a carburetor (C) to control the discharge volume from the carburetor's accelerator pump. A valve (5) controls flow of fuel from a fuel discharge port (O) of the pump. A vacuum operated means (9) moves the valve (5) from a position blocking fuel flow from the discharge port to a position permitting fuel flow. A switch (39) controls application of a vacuum to the vacuum operated means (9). A temperature sensor (57) senses engine coolant temperature and switches switch (39) when engine coolant reaches a predetermined temperature so the vacuum operated means (9) is exposed to atmosphere rather than engine vacuum.

REFERENCES:
patent: 1896499 (1933-02-01), Tice
patent: 3008697 (1961-11-01), Dermond
patent: 3371914 (1968-03-01), Walker
patent: 3588058 (1971-06-01), Lucas
patent: 3677241 (1972-07-01), Gele et al.
patent: 3907941 (1975-09-01), Herbert et al.
patent: 3942494 (1976-03-01), Toda et al.
patent: 4060063 (1977-11-01), Hirasawa
patent: 4076770 (1978-02-01), Saito et al.
patent: 4168680 (1979-09-01), Kawai et al.
"Research Disclosure", Apr. 1978, No. 168, pp. 33, 34, anonymous 16850.

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