Intake air temperature control apparatus for vehicle engine
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Mar 15, 2016
filing date -
Mar 27, 2015
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Abstract
An engine, an intake passage to introduce intake air to the engine, an exhaust passage to discharge exhaust air from the engine, and a high-temperature duct connected to the intake passage to introduce high-temperature air around the exhaust passage into the engine are provided in an engine compartment. The intake passage includes an intake-air inlet port to introduce outside air as low-temperature air. A passage switching valve provided between the intake passage and the high-temperature duct switches passages of the high-temperature air from the high-temperature duct and the low-temperature air from the intake air inlet port so as to selectively flow the air downstream of the intake passage. A valve control unit controls switching according to the temperature inside the compartment.
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