Preheating of inlet air
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United States of America Patent
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Dec 5, 2006
Issued Date -
N/A
app pub date -
Sep 17, 2002
filing date -
Sep 27, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The claimed invention relates to a device for preheating of the inlet air to a combustion engine that powers a portable tool. The preheating of the air is activated when the surrounding temperature is low and deactivated when there is no need for preheating of the inlet air. When the preheating is activated is the air led through a first channel (14) that is integrated in the wall of a crankcase (10) so that the air is heated. When there is no need for preheating is the inlet air lead via a second channel (16) placed outside the crankcase (10).
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