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公开(公告)号：US10006559B2
公开(公告)日：2018-06-26
申请号：US14593323
申请日：2015-01-09
发明人： Toshikatsu Kubo , Akira Nakano , Shusuke Inagi , Akira Yamashita
CPC分类号： F16K31/0655 , F16K27/0254 , F16K27/029 , F16K27/12 , F16K31/408 , F17C13/04 , F17C2205/0326 , F17C2205/0385 , F17C2205/0391 , F17C2221/012 , F17C2270/0184 , Y02E60/321 , Y02P90/45
摘要： A valve device includes: a body including a gas passage through which gas flows and an accommodation recess that communicates with the gas passage; a valve mechanism that controls flow of the gas flowing through the gas passage; and a cover fixed to the body such that the cover covers the accommodation recess. In the valve device, the cover includes a cover recess that opens toward the accommodation recess, and the valve mechanism is assembled to the body such that the valve mechanism is accommodated in the accommodation recess with a portion of the valve mechanism protruding from the accommodation recess and the portion of the valve mechanism is accommodated in the cover recess.
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公开(公告)号：US10584799B2
公开(公告)日：2020-03-10
申请号：US15715945
申请日：2017-09-26
发明人： Toshikatsu Kubo , Masayuki Sekine , Akira Nakano , Shota Yamamoto , Yutaka Hotta , Akira Yamashita
摘要： In a pressure reduction valve device, a valve body and a distal end portion of a support member are accommodated in a valve accommodation hole of a body. The distal end portion is inserted through an urging member accommodation hole. An inner introduction passage is formed between an outer peripheral surface of the distal end portion and an inner peripheral surface of the urging member accommodation hole. An outer introduction passage is formed between an outer surface of the valve body and an inner surface of the valve accommodation hole. The support member is provided with communication holes that establish communication between a gas inlet provided through the body and the valve accommodation hole in an axial direction. The inner introduction passage and the outer introduction passage are opposed, in an axial direction thereof, to the communication passage.
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公开(公告)号：US10534379B2
公开(公告)日：2020-01-14
申请号：US16110617
申请日：2018-08-23
发明人： Kazuhisa Sugiyama , Koji Nishi , Akira Nakano , Yutaka Hotta , Akira Yamashita , Shota Yamamoto , Yasushi Mitsuishi
IPC分类号： G05D16/06 , G05D16/10 , F16K31/122 , H01M8/04089 , H01M8/04746
摘要： A pressure reducing valve includes a body, an annular valve seat, a valve element, and a pressing mechanism configured to press the valve element. The pressing mechanism includes a plug provided downstream of the valve seat and having a plug hole, and a pin including a sliding portion and an upstream end, the sliding portion having a shaft shape and being inserted in the plug hole such that a gap is provided between the sliding portion and an inner peripheral surface of the plug hole, and the upstream end being provided upstream of the sliding portion so as to contact the valve element. A fitting length of the sliding portion with respect to the plug hole and the gap between the sliding portion and the plug hole satisfy 0.0005 L
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公开(公告)号：US09929417B2
公开(公告)日：2018-03-27
申请号：US14878580
申请日：2015-10-08
发明人： Akio Nakamura , Takuya Suzuki , Shusuke Inagi , Akira Yamashita , Masaaki Kondo
IPC分类号： H01M8/04 , H01M8/04089 , F16K39/02 , F16K15/02 , F16K27/02 , F16K31/06 , F16K1/34 , H01M8/04082
CPC分类号： H01M8/04104 , F16K1/34 , F16K15/02 , F16K15/025 , F16K27/0209 , F16K27/029 , F16K31/0655 , F16K31/0693 , F16K39/024 , H01M8/04089 , H01M8/04201 , H01M2250/20 , Y02T90/32
摘要： A valve device includes a body, a solenoid valve accommodated in an accommodation hole of the body, and a joint member fixed to the body. The solenoid valve includes: a sleeve having a tubular shape and fitted in the accommodation hole, and including an introduction passage and a delivery passage; and a valve element configured to open and close the passages. A U-seal is disposed between an outer wall surface of the sleeve and an inner wall surface of the accommodation hole. The body has an attachment hole that is located downstream of the delivery passage of the sleeve and opens on an outer surface of the body. The joint member including a backflow reduction valve is fixed to the attachment hole.
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公开(公告)号：US09897219B2
公开(公告)日：2018-02-20
申请号：US14926995
申请日：2015-10-29
发明人： Norihiko Saito , Sogo Goto , Masaaki Kondo , Akira Yamashita , Eiji Okawachi , Munetoshi Kuroyanagi , Toshikatsu Kubo , Takashi Iwaguchi
CPC分类号： F16K17/04 , F16K1/32 , F16K17/044 , F16K17/06 , F16K25/02 , G05D16/02 , G05D16/10 , H01M8/04089
摘要： The pressure reduction valve includes: a cylindrical portion, a piston and a spring. The cylindrical portion includes an inlet communicating with the primary side flow path and an outlet communicating with the secondary side flow path. The piston fitted into the cylindrical portion is slidable along an axis direction of the cylindrical portion within the cylindrical portion, and defines, within the cylindrical portion, a space communicating with the inlet and the outlet. The spring applies, to the piston, a force acting toward the space. The outlet is displaced in one direction from the center of the piston when seen in the axis direction. The force applied to the piston by the spring is distributed so as to deviate from the center of the piston to the side of the outlet.
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公开(公告)号：US09822884B2
公开(公告)日：2017-11-21
申请号：US15138686
申请日：2016-04-26
发明人： Junya Miyake , Koji Nishi , Kazuhisa Sugiyama , Takumi Mio , Sachiko Kubota , Eiji Okawachi , Akira Yamashita , Naohiro Takeshita
CPC分类号： F16K1/385 , B60K2015/03026 , B60K2015/03315 , B60L11/1881 , F16K15/025 , F16K25/00 , F16K29/00 , F17C13/04
摘要： A valve device includes: a poppet that is formed in a hollow shaft shape except for a leading end, has a tapered closure part at the leading end and a side hole passing through a wall of the hollow shaft-shaped part, and rotates around a shaft center thereof during opening and closing actions; and a valve seat having a sloped seat surface with which the closure part of the poppet comes into contact when closing the valve device. The closure part of the poppet or the seat surface of the valve seat, whichever has a higher hardness, has a cut mark of the opposite direction from a direction of rotation of the poppet around the shaft center that occurs during the valve closing action.
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公开(公告)号：US20160312902A1
公开(公告)日：2016-10-27
申请号：US15138686
申请日：2016-04-26
发明人： Junya MIYAKE , Koji Nishi , Kazuhisa Sugiyama , Takumi Mio , Sachiko Kubota , Eiji Okawachi , Akira Yamashita , Naohiro Takeshita
CPC分类号： F16K1/385 , B60K2015/03026 , B60K2015/03315 , B60L11/1881 , F16K15/025 , F16K25/00 , F16K29/00 , F17C13/04
摘要： A valve device includes: a poppet that is formed in a hollow shaft shape except for a leading end, has a tapered closure part at the leading end and a side hole passing through a wall of the hollow shaft-shaped part, and rotates around a shaft center thereof during opening and closing actions; and a valve seat having a sloped seat surface with which the closure part of the poppet comes into contact when closing the valve device. The closure part of the poppet or the seat surface of the valve seat, whichever has a higher hardness, has a cut mark of the opposite direction from a direction of rotation of the poppet around the shaft center that occurs during the valve closing action.
摘要翻译： 阀装置包括：除了前端以外的中空轴形状的提升阀具有在前端的锥形封闭部和穿过中空轴状部的壁的侧孔，并且围绕 打开和关闭动作时的轴心; 以及阀座，其具有倾斜的座面，当关闭阀装置时，所述提升阀的封闭部分与其接触。 提升阀的闭合部分或阀座的座面（以较高硬度为准）具有与阀关闭动作期间围绕轴中心的提升方向相反的方向的切割标记。
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公开(公告)号：US10996691B2
公开(公告)日：2021-05-04
申请号：US15801903
申请日：2017-11-02
发明人： Akira Nakano , Toshikatsu Kubo , Shota Yamamato , Akira Yamashita , Yutaka Hotta , Eiji Okawachi
IPC分类号： F16K31/12 , G05D16/10 , F16K31/122 , B60K15/035 , B60K15/03
摘要： A pressure reducing valve device includes a first body; a second body; a valve mechanism accommodated in the first body, and including a valve seat and a valve element; and a piston that is accommodated in the second body, defines a pressure reducing chamber, and is configured to move in accordance with a pressure in the pressure reducing chamber so as to move the valve element. The first body is connected to an inner portion of a connection portion having a bottomed cylindrical shape. The connection portion is provided in the second body to protrude outward. The valve seat is held between the first body and the second body in a direction in which the first body and the second body are attached to each other such that the valve seat is fixed in a flow passage.
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公开(公告)号：US20190072988A1
公开(公告)日：2019-03-07
申请号：US16110617
申请日：2018-08-23
发明人： Kazuhisa SUGIYAMA , Koji Nishi , Akira Nakano , Yutaka Hotta , Akira Yamashita , Shota Yamamoto , Yasushi Mitsuishi
IPC分类号： G05D16/06 , H01M8/04089 , H01M8/04746
摘要： A pressure reducing valve includes a body, an annular valve seat, a valve element, and a pressing mechanism configured to press the valve element. The pressing mechanism includes a plug provided downstream of the valve seat and having a plug hole, and a pin including a sliding portion and an upstream end, the sliding portion having a shaft shape and being inserted in the plug hole such that a gap is provided between the sliding portion and an inner peripheral surface of the plug hole, and the upstream end being provided upstream of the sliding portion so as to contact the valve element. A fitting length of the sliding portion with respect to the plug hole and the gap between the sliding portion and the plug hole satisfy 0.0005 L
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公开(公告)号：US09927817B2
公开(公告)日：2018-03-27
申请号：US14922985
申请日：2015-10-26
发明人： Akio Nakamura , Akira Nakano , Shusuke Inagi , Akira Yamashita , Masaaki Kondo
CPC分类号： G05D7/00 , B60K15/03 , B60K2015/03296 , B60K2015/03315 , F17C13/04 , F17C2205/0323 , F17C2205/0335 , F17C2205/0341 , F17C2205/035 , F17C2205/0382 , F17C2205/0394 , F17C2221/012 , F17C2223/0123 , F17C2223/036 , F17C2270/0168 , F17C2270/0184 , Y02E60/321 , Y10T137/7839
摘要： A throttle valve includes a throttle valve element; a support member that supports the throttle valve element, the support member including a valve element support portion, and a shaft portion that is connected to the valve element support portion, the shaft portion having a gas passage and an inlet port; a mounting member that mounts the support member in a throttle valve flow passage; a filter that is disposed on an outer peripheral surface of the shaft portion to cover the inlet port, in a space whose axial length is defined by the shaft portion and the mounting member; and gaskets that are respectively disposed between one axial end of the filter and the mounting member and between the other axial end of the filter and the shaft portion.
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