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公开(公告)号：EP3232095A1
公开(公告)日：2017-10-18
申请号：EP17166139.0
申请日：2017-04-12
发明人： ITO, Daizo , NONAKA, Atsushi , TANI, Seiji
摘要： [Task]
to provide a seal structure in which a seal surface pressure at a junction of three members of an engine main body section, a chain casing, and a head cover can sufficiently be secured.
[Means for solving task]
A casing side gasket 2 is intervened between an engine main body section 1 and a chain casing 3. An extremely thick connection block section 13 is formed on an upper end section of casing side gasket 2. This connection block section 13 is fitted into and retained by a receiving concavity 10 at chain casing 3 side. An upper surface of connection block section 13 provides a flat abutting surface 13a. A cover side gasket of the head cover side joined to engine main body section 1 and chain casing 3 is abutted against abutting surface 13a so as to interconnect both gaskets to secure a continuity with a seal line Q of cover side gasket.摘要翻译： [作用]提供一种密封结构，其中发动机主体部分，链条外壳和顶盖三个部件的接合处的密封表面压力可以被充分确保。 [解决问题的手段]在发动机主体部1与链条壳体3之间夹装有壳体侧垫圈2.在壳体侧垫圈2的上端部形成有极厚的连结块部13.该连结块部 13在链条壳体3侧装配并容纳在接纳凹部10中。 连接块部分13的上表面提供平坦的邻接表面13a。 与发动机主体部1和链条壳体3接合的气缸盖罩侧的罩侧密封垫与抵接面13a抵接，使两垫片相互连接，确保与罩侧密封垫的密封线Q的导通性。
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公开(公告)号：EP3232095B1
公开(公告)日：2020-02-05
申请号：EP17166139.0
申请日：2017-04-12
发明人： ITO, Daizo , NONAKA, Atsushi , TANI, Seiji
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公开(公告)号：EP3330502B1
公开(公告)日：2019-06-05
申请号：EP17202264.2
申请日：2017-11-17
发明人： ITO, Daizo , YOSHIDA, Shin , NONAKA, Atsushi , KATO, Yuichi
IPC分类号： F01M11/04
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公开(公告)号：EP3330502A1
公开(公告)日：2018-06-06
申请号：EP17202264.2
申请日：2017-11-17
发明人： ITO, Daizo , YOSHIDA, Shin , NONAKA, Atsushi , KATO, Yuichi
IPC分类号： F01M11/04
CPC分类号： F01M11/0408 , B62D29/041 , F01M11/0458 , F01M2011/0416 , F16B33/006 , F16N31/00
摘要： Disclosed is a structure for attachment of a drain nut to a synthetic resin cover. The cover has a nut engagement portion formed in an outer surface of the cover, a cylindrical engagement portion formed with a plurality of piece parts on an inner surface of the cover, and a stepped portion formed between the nut and cylindrical engagement portions. The drain nut has a nut portion engaged in the nut engagement portion, a female thread portion formed in the nut portion for screw-in of a drain plug, a cylindrical portion formed concentrically with the nut portion and engaged in the cylindrical engagement portion, a large-diameter portion formed between the nut and cylindrical portions and engaged in the stepped portion, with an O-ring held between the large-diameter portion and stepped portion, and a collar portion formed around the cylindrical portion and retained by front ends of the piece parts.
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5.发明公开
公开(公告)号：EP3290667A1
公开(公告)日：2018-03-07
申请号：EP17182472.5
申请日：2017-07-21
CPC分类号： F02B37/127 , F01M13/00 , F01M13/022 , F01M13/04 , F01M2013/0044 , F01M2013/027 , F02B37/005 , F02B37/007 , F02D2009/0205 , F02D2009/0206 , F02D2009/022 , Y02T10/144
摘要： What is disclosed is a blowby gas treatment device for an internal combustion engine with a supercharger, the blowby gas treatment device comprising: a fresh air introduction passage wherein one end of the fresh air introduction passage is connected to an upstream side of the supercharger and the other end is communicated with a crankcase of the internal combustion engine; a first blowby gas passage wherein one end of the first blowby gas passage is connected to a venturi part provided in an upstream side of the supercharger in the intake passage and the other end is communicated with the crankcase; a first check valve being interposed in the fresh air introduction passage and preventing a flow from the crankcase side to the intake passage side; and a second check valve being interposed in the blowby gas passage and preventing a flow from the intake passage side to the crankcase side.
摘要翻译： 公开了一种用于具有增压器的内燃机的窜漏气体处理装置，窜气处理装置包括：新鲜空气引入通道，其中新鲜空气引入通道的一端连接至增压器的上游侧， 另一端与内燃机的曲轴箱连通; 第一窜气通道，其中第一窜气通道的一端连接到设置在进气通道中的增压器的上游侧的文氏管部分，并且另一端与曲轴箱连通; 一个第一单向阀，置于新鲜空气引入通道中并防止从曲轴箱侧流向进气通道侧; 以及第二止回阀，插入窜漏气体通道中并防止从进气通道侧流向曲轴箱侧。
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