Engine exhaust heat temperature detection device
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United States of America Patent
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Aug 2, 2016
Grant Date -
Dec 6, 2012
app pub date -
Mar 15, 2012
filing date -
Mar 15, 2012
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
An exhaust gas temperature detection sensor is arranged at a predetermined position outside a muffler, or at a predetermined position outside an exhaust pipe constituting an exhaust gas flow passage on a more downstream side than the muffler in an exhaust direction. The sensor detects that an atmosphere temperature at the predetermined position outside the muffler has reached a predetermined temperature based on an increase in a temperature inside the muffler, or detects that an atmosphere temperature at the predetermined position outside the exhaust pipe has reached a predetermined temperature based on an increase in a temperature of an exhaust gas inside the exhaust pipe.
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