| 摘要 |
PROBLEM TO BE SOLVED: To provide a control method of reduced-cylinder operation in which the variation of wear between cylinders is reduced, as well as the increase of friction is suppressed. SOLUTION: The control method of reduced-cylinder operation in which there is provided a variable valve mechanism 14 that can suspend opening/closing operations of intake/exhaust valves 13 of a plurality of cylinders 8, includes stopping the supply of fuel to some cylinders 8 so as to put some out of the plurality of cylinders 8 into suspend status, disabling valve opening operation of the intake/exhaust valves 13, and further repeating alternately the suspend status to some cylinders 8 and other cylinders 8 to achieve reduced-cylinder operation. COPYRIGHT: (C)2009,JPO&INPIT
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