Title:
内燃機関
Document Type and Number:
Japanese Patent JP5626369
Kind Code:
B2
Abstract:
Provided is an internal combustion engine including two intake valves for each cylinder, the internal combustion engine including: a fixed cam for driving one of the two intake valves with a lift characteristic having a valve opening timing close to a top dead center; a variable valve actuation mechanism capable of changing, in accordance with an engine running condition, lift characteristics between a low-lift characteristic having an event angle and a lift amount each being smaller than an event angle and a lift amount of the fixed cam, and a high-lift characteristic having the event angle and the lift amount each being larger than the event angle and the lift amount of the fixed cam; and a variable cam for driving another of the two intake valves, the variable cam including the variable valve actuation mechanism, in which the variable valve actuation mechanism is configured to set the lift characteristic of the variable cam so as to obtain a valve opening timing on a retard side relative to the valve opening timing of the fixed cam in a case of the low-lift characteristic.
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Inventors:
濱本 高行
富永 健介
吉岡 陽子
富永 健介
吉岡 陽子
Application Number:
JP2012555868A
Publication Date:
November 19, 2014
Filing Date:
January 30, 2012
Export Citation:
Assignee:
日産自動車株式会社
International Classes:
F02B31/02; F02D13/02
Domestic Patent References:
| JP2009024560A | 2009-02-05 | |||
| JP2009228640A | 2009-10-08 | |||
| JP2008095668A | 2008-04-24 | |||
| JP2009024560A | 2009-02-05 | |||
| JP2009228640A | 2009-10-08 | |||
| JP2008095668A | 2008-04-24 |
Attorney, Agent or Firm:
Masaki Goto
Masaaki Iida
Yasunari Mita
Takahiro Nozue
Masaaki Iida
Yasunari Mita
Takahiro Nozue