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公开(公告)号：US20240027011A1
公开(公告)日：2024-01-25
申请号：US18149647
申请日：2023-01-03
发明人： Tomokazu SUMIDA , Takefumi TANAKA , Nobuaki SASAJI , Mach Do Khoa , Yasuhide KIYOMUNE , Daisuke ENDO , Hiroki MIZUTANI
CPC分类号： F16L41/088 , H05K7/20272
摘要： In a connection structure of a pipe in which a first pipe provided outside a case and a second pipe provided inside the case are connected via a gasket while sealing a space between the first pipe and a through hole provided on a wall body of the case and a space between the through hole and the second pipe, the gasket has a tubular first holding portion, an inner circumferential first lip portion, an outer circumferential lip portion, a tubular second holding portion, and an inner circumferential second lip portion. Resistance applied on the first holding portion including the inner circumferential first lip portion when the first pipe is pulled out of the through hole is smaller than total of resistance generated in the outer circumferential lip portion against pull-out direction and resistance generated in the inner circumferential second lip portion against pull-out direction.
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公开(公告)号：US20230070732A1
公开(公告)日：2023-03-09
申请号：US17815654
申请日：2022-07-28
发明人： Otone ESUMI , Chihiro OHMORI , Yuji YASUFUKU , Takami KAWABATA
IPC分类号： H01M50/193 , H01M50/198
摘要： A storage battery sealing member includes a vulcanized rubber composition; the rubber composition contains a silicone rubber and a vulcanizing agent; a hardness Ha of the sealing member at 23° C. and a relative humidity of 50%, is 90 points or less; a compression set of the sealing member, measured after 25% compression followed by aging at 150° C. for 70 hours, is 80% or less; a difference between the hardness Ha of the sealing member at 23° C. and the relative humidity of 50% and a hardness Hb of the sealing member at 23° C. and the relative humidity of 50% after heated at 400° C. for 10 minutes is within 15 points; and a mass of a residue after heating the sealing member at 800° C. for 5 minutes, relative to the sealing member before heating, is 70 to 100% by mass.
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公开(公告)号：US20200080640A1
公开(公告)日：2020-03-12
申请号：US16568739
申请日：2019-09-12
发明人： Keita YAMAMOTO , Takefumi TANAKA , Ryusuke BABA
IPC分类号： F16J15/10
摘要： A gasket for sealing a gap between a through hole formed on a wall body and a pipe to be inserted into the through hole, the gasket being provided for the pipe and made of tubular elastic material, the gasket having an inner circumferential lip portion which elastically contacts an outer circumferential face of the pipe; and an outer circumferential lip portion which elastically contacts an inner circumferential face of the through hole; an inner seal area on an inner circumferential side where the inner circumferential lip portion is provided is located at a position so that the inner seal area does not overlap in a radial direction with an outer seal area of an outer circumferential side where the outer circumferential lip portion is provided.
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公开(公告)号：US10527101B2
公开(公告)日：2020-01-07
申请号：US15453490
申请日：2017-03-08
发明人： Masanori Shibayama
IPC分类号： F16C33/80
摘要： A bearing sealing device has relatively and coaxially rotating inner and outer members. A first member is fitted onto the inner member, and a second member includes a seal lip portion and a core member fitted into the outer member. The first member has an inner diametrical side cylindrical portion, circular plate portion, and outer diametrical side cylindrical portion. The core member has a cylindrical portion and circular plate portion. A first labyrinth portion is formed along the shaft direction in a gap between the outer diametrical side cylindrical portion and the core member cylindrical portion which face each other diametrically. A second labyrinth portion is formed such that an end face on the bearing space side in the outer diametrical side cylindrical portion faces the core member circular plate portion. A diametrical direction length of the end face is equal to or more than 0.6 mm.
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公开(公告)号：US10378419B2
公开(公告)日：2019-08-13
申请号：US14604205
申请日：2015-01-23
发明人： Koji Makino
摘要： A water jacket spacer adjusting a flow amount of cooling water in a water jacket, the water jacket spacer being inserted in the water jacket of a cylinder block, the water jacket spacer has a spacer body and a rectification means inhibiting flow of cooling water to an inner wall on a cylinder bore side of the water jacket, the rectification means having a form of a pocket and being provided on a face of the spacer body, the face being on a side of a cooling water introduction port of the water jacket, the rectification means being provided lower than the cooling water introduction port in a depth direction.
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公开(公告)号：US20190107154A1
公开(公告)日：2019-04-11
申请号：US16149583
申请日：2018-10-02
发明人： Koki ISHIDA , Wakana KATO
IPC分类号： F16C33/78
CPC分类号： F16C33/7823 , F16C19/186 , F16C19/38 , F16C19/543 , F16C33/7883 , F16C33/7886 , F16C2326/02 , F16J15/447
摘要： A sealing device for sealing an annular space constituted by an inside member and an outside member which rotate relatively to each other includes a core metal having a cylindrical portion fitted to one of the inside member and the outside member, and a seal lip member fixed to the core metal and having a plurality of lip portions contacting the other of the inside member and the outside member. The lip portions includes a first lip portion provided at a position closest to the outside and blocking ventilation between the outside and a space existing between the lip portions, and another lip portion provided at a position farther from the outside than the first lip portion. The other lip portion is provided with a through-hole, which is open to front and rear surfaces and allow ventilation, at a position apart from a contact portion with the other member.
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公开(公告)号：US10174872B2
公开(公告)日：2019-01-08
申请号：US14433582
申请日：2013-09-30
发明人： Keita Yamamoto , Kosuke Sogawa , Kenji Yamanari , Kazunori Ueno
摘要： A gasket having a core member having an opening, an inner seal portion made of elastic material and formed along an inner circumference of the opening, an outer seal portion made of elastic material and formed along an outer circumference of the core member. The core member has a seal-forming thin portion and an easily-deformable portion, the seal-forming thin portion being configured to form the inner seal portion at the inner circumference and to form the outer seal portion at the outer circumference, and the easily-deformable portion being provided between the inner seal portion and the outer seal portion and being configured to easily deform the core member.
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公开(公告)号：US10119571B2
公开(公告)日：2018-11-06
申请号：US14750360
申请日：2015-06-25
发明人： Hiroshi Seno , Ai Shiotsuka
IPC分类号： F16J15/447 , F16C33/80 , F16J15/3232 , F16J15/3264 , F16C33/78
摘要： A sealing device configured to seal a gap on a flange portion side between an outer member and an inner member by being attached to the outer member. A circular plate portion of a metal ring has an extending portion extending opposite to a flange portion. A seal body has a projecting portion and a weir portion, the projecting portion being positioned inward in a diametrical direction from the extending portion and extending toward the flange portion, the weir portion being positioned outward in a diametrical direction from the extending portion and extending toward the flange portion. The projecting portion and the weir portion overlap the extending portion in a diametrical direction, the projecting portion and the weir portion being provided adjacent to the extending portion, thereby forming a labyrinth. The labyrinth has a plurality of labyrinth constituting portions folding back along inner and outer faces of the extending portion in a diametrical direction, and the labyrinth is configured to meander.
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公开(公告)号：US20170350306A1
公开(公告)日：2017-12-07
申请号：US15537974
申请日：2015-12-22
发明人： Koji MAKINO
CPC分类号： F01P7/14 , F01P2007/143 , F02F1/14 , F28F13/003 , F28F2275/125
摘要： There is provided a novel regulating member that ensures easy manufacturing and does not adversely affect cooling water and environment. A spacer 6 is inserted from an opening 30 of a cooling water flow passage 3 into the cooling water flow passage 3 to be disposed. The cooling water flow passage 3 is disposed in a cylinder block 1 in an internal combustion engine. The spacer 6 includes a supporting member 7 with rigidity formed into a shape configured to be disposed in the cooling water flow passage 3 and a regulating portion 8 supported by the supporting member 7. The regulating portion 8 regulates a flow of cooling water. The regulating portion 8 includes a cellulose-based sponge 81. The cellulose-based sponge 81 is restorable from a compressed state through a contact with the cooling water w.
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公开(公告)号：US09799438B2
公开(公告)日：2017-10-24
申请号：US15431861
申请日：2017-02-14
发明人： Masanori Tomioka
IPC分类号： H01F13/00
CPC分类号： H01F13/003 , G01D5/145 , G01D5/2451 , H01F13/006
摘要： A magnetization apparatus for a magnet of a magnetic encoder. The magnetization apparatus is configured to alternately form a positive and a negative magnetization areas by moving a magnetic member along a route penetrating a gap of a magnetization yoke while alternately generating positive and negative magnetic fields in the gap of the magnetization yoke. The magnetization apparatus includes a power supply part configured to supply electric power to a coil wound around the magnetization yoke; an area setting part configured to receive magnetization pattern information specifying arrangement of the magnetization areas relative to the magnetic member; a positional information generation part configured to output positional information of the magnetic member moving along the route; and a control part configured to control the power supply part in such a manner that each portion of the magnetic member corresponding to the magnetization area specified in the magnetization pattern information receives corresponding positive or negative magnetic field based on the positional information outputted from the positional information generation part.
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