发明名称 |
HYDRAULIC SUPPLY DEVICE FOR VALVE STOP MECHANISM |
摘要 |
PROBLEM TO BE SOLVED: To improve shifting responsivity to a cylinder deactivation operation.SOLUTION: A hydraulic supply device 1 includes: a valve stop mechanism 25 for stopping an intake valve 14 of a first cylinder; a valve stop mechanism 25b for stopping an intake valve 14 of a forth cylinder; an oil passage 61 to which oil is always supplied during engine driving; an oil passage 65 to the valve stop mechanism 25b on the first cylinder side and extending from a cylinder head front end portion; an oil passage 75 to the valve stop mechanism 25b on the fourth cylinder side and extending from a cylinder head rear end portion; a first direction switch valve 46 disposed at the cylinder head front end portion and controlling the supply of the oil to the oil passage 65; a second direction switch valve 47 disposed at the cylinder head rear end portion and controlling the supply of the oil to oil passage 75; a communication passage 66 for communicating the oil passages 61 and 65, and equipped with a throttle 66a; and a communication passage 76 for communicating the oil passages 61 and 75, and equipped with a throttle 76a. |
申请公布号 |
JP2015124752(A) |
申请公布日期 |
2015.07.06 |
申请号 |
JP20130271759 |
申请日期 |
2013.12.27 |
申请人 |
MAZDA MOTOR CORP |
发明人 |
NISHIMOTO TOSHIRO;NAKAHARA KOJI;TAKAHASHI HIROSHI;SUZUKI YOHEI |
分类号 |
F01L1/245;F01L13/00;F02D13/06;F02D17/00 |
主分类号 |
F01L1/245 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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