Title:
エンジン装置
Document Type and Number:
Japanese Patent JP5803764
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve operation efficiency of an engine by providing a gas of a lower temperature as a gas to be supplied from a first communicating pipe to an intake pipe when supplying exhaust air of the engine to the intake pipe.SOLUTION: After warming-up of an engine is completed (during warming), when a vapor concentration Cv is lower than or equal to a threshold Cvrefw (S230), an EGR valve and a purge control valve are controlled, such that an EGR gas and a purge gas are mixed in the EGR pipe and supplied to an intake pipe (S210, S240). Thus, a gas of a lower temperature can be provided as a mixed gas (mixed gas of the EGR gas and the purge gas) to be supplied from the EGR pipe to the intake pipe. As a result, operation efficiency of the engine can be improved.
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Inventors:
Shunsuke Fushiki
Application Number:
JP2012060952A
Publication Date:
November 04, 2015
Filing Date:
March 16, 2012
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02M25/08; F02M25/07
Domestic Patent References:
| JP2000282975A | ||||
| JP10115258A | ||||
| JP2001065388A | ||||
| JP2008201300A |
Attorney, Agent or Firm:
Aitec International Patent Office