Temperature adjusting automatic choke system

Internal-combustion engines – Starting device – With fuel or intake air control

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261 394, 261 644, F02M 110

Patent

active

055115195

ABSTRACT:
An air inlet control system for a carburetor of an internal combustion engine. The system includes a magnet, an air inlet valve, and a temperature controlled limiter. The magnet is used to automatically attract the air inlet valve towards a fully closed position. The temperature controlled limiter limits the range of movement of the air inlet valve based upon the temperature of the engine. The limiter limits the open position of the valve to a position less than fully open when the engine is cold and, limits the closed position of the valve to a position less than fully closed when the engine is hot.

REFERENCES:
patent: 1317047 (1919-09-01), Shields et al.
patent: 1612597 (1926-12-01), Alexandrescu
patent: 1996245 (1935-04-01), Hunt
patent: 2124778 (1938-07-01), Hunt
patent: 2127653 (1938-08-01), Sisson
patent: 3807709 (1974-04-01), Suda et al.
patent: 5299548 (1994-04-01), Beall
Encyclopedia of Chemical Technology, John Wiley & Sons Inc., vol. pp. 726-728, 1982. (month unknown).
Encyclopedia of Chemical Technology, John Wiley & Sons Inc., vol. pp. 106-107, 1983. (month unknown).

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