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1.发明授权公开(公告)号：US11199156B2
公开(公告)日：2021-12-14
申请号：US17013655
申请日：2020-09-07
发明人： Tomoya Oshima , Ken Yamada
摘要： A bearing cap according to one embodiment of this disclosure includes: a concave part that supports a crankshaft of an internal combustion engine; first bosses that are disposed one on each side of the concave part and each have a first bolt hole; and second bosses that are disposed one on each side of a bearing cap main body having the concave part and the first bosses so as to flank the bearing cap main body and each have a second bolt hole. The bearing cap is fixed to a first member of the internal combustion engine by first bolts inserted into the first bolt holes, and to a second member of the internal combustion engine by second bolts inserted into the second bolt holes. At least the pair of second bosses have higher rigidity than a frame.
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公开(公告)号：US11988131B1
公开(公告)日：2024-05-21
申请号：US18467725
申请日：2023-09-15
发明人： Tomoya Oshima
CPC分类号： F01P3/02 , F02F11/002 , F01P2003/024
摘要： An engine includes a cylinder block including a water jacket, a water jacket spacer inserted into the water jacket, and a first gasket and a first cylinder head assembled to the cylinder block.
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公开(公告)号：US12031498B2
公开(公告)日：2024-07-09
申请号：US18459420
申请日：2023-09-01
发明人： Tomoya Oshima
CPC分类号： F02F1/166 , F02F1/14 , F16J15/0818
摘要： An engine includes a cylinder block including a first jacket through which a coolant flows, a spacer disposed within the first jacket, a cylinder head including a second jacket through which the coolant flows from the first jacket; and a gasket interposed between the cylinder block and the cylinder head. The cylinder block includes a branch passage branched off from the first jacket to supply the coolant to an external device. The gasket includes communication ports that communicate the first jacket with the second jacket. The spacer includes a protruding portion that penetrates one of the communication ports that is closest to the branch passage. There is a clearance between the protruding portion and the one of the communication ports.
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公开(公告)号：US11965445B1
公开(公告)日：2024-04-23
申请号：US18466883
申请日：2023-09-14
发明人： Tomoya Oshima , Kohei Kodama , Futoshi Yanai
CPC分类号： F01N13/1805 , F01N13/10 , F01N13/1855 , F01N2450/24
摘要： In a fastening structure that fastens an exhaust manifold to a cylinder head of an engine, a bolt that extends through a flange is inserted into and fixed to a bolt hole of the cylinder head. The flange includes a contact surface that contacts a coupling surface of the cylinder head, and an inclined surface that is inclined with respect to the contact surface. A clearance is provided between the bolt and the cylinder head inside the bolt hole in a range extending from the coupling surface of the cylinder head to a specified length.
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