Title:
Internal-combustion engine
Document Type and Number:
Japanese Patent JP6015565
Kind Code:
B2
Abstract:
An internal combustion engine includes a piston, a plurality of intake valves, an exhaust valve, a valve drive unit, an intake valve halting unit, an injector, and an ECU. The ECU configured to: (a) control the valve drive unit so as to close the exhaust valve on an advance side of the exhaust top-dead-center of the piston, when an engine temperature is lower than a prescribed value; (b) control the intake valve halting unit so as to halt the operation of the portion of intake valves in a closed state, when the engine temperature is lower than the prescribed value; and (c) control the valve control unit so as to form a negative overlap between the exhaust valve and the intake valve other than the portion of intake valves, among the plurality of intake valves, when the engine temperature is lower than the prescribed value.
Inventors:
Koichi Hoshi
Application Number:
JP2013120114A
Publication Date:
October 26, 2016
Filing Date:
June 06, 2013
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02D13/02; F02D41/02
Domestic Patent References:
| JP2013011248A | ||||
| JP2010185300A | ||||
| JP2009074366A |
Attorney, Agent or Firm:
Shuhei Katayama
Toshiyuki Hatta
High Yoshitaka Hayashi
Toshiyuki Hatta
High Yoshitaka Hayashi