METHOD OF CONTROLLING CVVT
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United States of America Patent
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Issued Date -
Mar 9, 2017
app pub date -
Nov 18, 2015
filing date -
Sep 3, 2015
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Abstract
A method of controlling a CVVT includes: a very low temperature condition deciding step of deciding whether or not an engine is in a very low temperature condition state on the basis of information received from the engine at the time of starting up a vehicle in a controlling unit; an operation number confirming step of confirming the number of operations of the CVVT after starting up the vehicle when the engine is in the very low temperature condition state; and a very low temperature condition applying step of applying a very low temperature condition at the time of controlling the CVVT when the number of operations of the CVVT after starting up the vehicle is less than a predetermined number input to the controlling unit.
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