Automatic cold starter devices for spark ignition internal combustion engines
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United States of America Patent
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Jan 24, 1984
Issued Date -
N/A
app pub date -
Aug 4, 1982
filing date -
Feb 22, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An automatic cold start fuel supply device for use with constant depression carburetters having a damped air valve, comprises a fuel metering needle movable with engine temperature by a bimetallic element which acts on it indirectly via a rotary member. A spring, which is normally compressed by the action of manifold depression on a diaphragm, is adapted to act when expanded, through the diaphragm and a lever on an arm of the rotary member. The geometry of the lever and the rotary member is such that the rotary member is so positioned by the bimetallic element when the engine is warm that it is not rotated by the load that is applied to its arm by the action of the spring whereas it is so rotated against the action of the bimetallic element when the engine temperature is below the normal running temperature.
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