Throttle opener

Details Throttle opener Throttle opener

1974-12-26

1977-08-02

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

123 97B, 123103E, F02B 7510

Patent

active

040388190

ABSTRACT:
A throttle opener comprises a diaphragm apparatus installed between a throttle valve provided within a throttle bore and an air pump for delivering air to an air injection device for controlling the opening of the throttle to enhance the burning of an air-fuel mixture, thereby decreasing the amount of unburned hydrocarbons in the exhaust gas. The diaphragm apparatus includes a diaphragm member movably fixed therein, responsive to the high delivery pressure from the air pump at the beginning of deceleration period of a vehicle to open the throttle valve slightly enough to prevent misfire of the mixture, thus decreasing the amount of unburned hydrocarbons in the exhaust gas.

REFERENCES:
patent: 2517501 (1950-08-01), Mennesson
patent: 3250261 (1966-05-01), Wiles
patent: 3369364 (1968-02-01), Ayers
patent: 3529586 (1970-09-01), Fort
patent: 3575149 (1971-04-01), Graham
patent: 3753427 (1973-08-01), Cedar
patent: 3775971 (1973-12-01), Gadefelt
patent: 3796049 (1974-03-01), Hayashi

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