Carburetor arrangement for an internal combustion engine
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United States of America Patent
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Aug 23, 2005
Grant Date -
Feb 3, 2005
app pub date -
Jul 21, 2004
filing date -
Aug 1, 2003
priority date (Note) -
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Abstract
A carburetor arrangement is provided for an internal combustion engine that is to be started with a pull cord. A fuel channel that is connected with a fuel-filled storage space opens into and supplies fuel to an intake channel portion as a function of the underpressure in the intake channel portion. The underpressure in the intake channel portion is increased during the start-up process via a start-up mechanism. To keep the engine ready to run with the start-up mechanism engaged, a control valve is disposed between the storage space and where the fuel channel opens into the intake channel portion. The control valve is opened or closed by a control unit as a function of the speed of the internal combustion engine.
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