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公开(公告)号：US11733718B2
公开(公告)日：2023-08-22
申请号：US17046459
申请日：2019-04-03
申请人： PIOLAX, INC.
发明人： Kenta Mihara
IPC分类号： G05D7/01 , B60K15/035 , F16K24/06 , F16K24/04 , B60K15/03
CPC分类号： G05D7/0146 , B60K15/035 , F16K24/04 , F16K24/06 , B60K2015/03289
摘要： There is provided a valve device, including: a housing in which, via a partition wall, a valve chamber is provided below the partition wall and a vent chamber is provided above the partition wall, and a vent hole through which the valve chamber and the vent chamber communicate with each other is provided in the partition wall; and a float valve. A valve seat is formed on a side of the valve chamber of the partition wall, and an opening is provided on an inner side of the valve seat. The opening includes a first opening and a second opening extending outward in a slit shape from an outer periphery of the first opening. A seal part having elasticity that contacts with and separates from the valve seat to close and open the first opening and the second opening, is disposed above the float valve.
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公开(公告)号：US11135913B2
公开(公告)日：2021-10-05
申请号：US16492196
申请日：2018-03-09
申请人： PIOLAX, INC.
发明人： Kenta Mihara
摘要： A valve device includes: a housing having a valve chamber and a ventilation chamber divided by a dividing wall, the dividing wall having an opening, and the housing having a discharge opening formed at a peripheral surface on the ventilation chamber side; a float valve coming into and out of contact with the opening; and a fuel vapor pipe connected with the discharge opening outside the housing. The ventilation chamber is provided with a tubular wall which communicates with the discharge opening and which extends from the discharge opening toward the inside of the ventilation chamber. The tubular wall has a surface on the dividing wall side which is provided with a ventilation hole communicating with the ventilation chamber. An end portion on the extending direction side of the tubular wall is closed.
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公开(公告)号：US10369882B2
公开(公告)日：2019-08-06
申请号：US15506312
申请日：2015-08-21
申请人： PIOLAX, INC.
发明人： Kenta Mihara
摘要： A valve case mounting structure includes a mount base and a valve case. The mount base includes a valve case support portion and a retainer piece having a first engagement opening and a second engagement opening. The valve case includes an engaging projection portion, and a holder portion. When the engaging projection portion is positioned at a front end side of the first engagement opening, the retainer piece does not reach the holder portion. When the engaging projection portion is moved from the front end side of the first engagement opening toward the second engagement opening, a front end portion of the retainer piece is inserted into the holding space before becoming unable to be inserted into the holder portion.
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公开(公告)号：US09981546B2
公开(公告)日：2018-05-29
申请号：US15123279
申请日：2014-12-18
发明人： Kenta Mihara , Kazunari Nakaya , Masato Shinozaki , Masaru Sawano
IPC分类号： F16K31/18 , B60K15/035 , F16K24/04 , F02M25/08 , B60K15/03
CPC分类号： B60K15/035 , B60K2015/03289 , B60K2015/03571 , F02M25/0836 , F16K24/044 , Y10T137/7404 , Y10T137/741
摘要： A fuel tank valve device includes a housing in which a partition wall defines a lower valve chamber and an upper ventilation chamber, and a first opening and a second opening are provided to establish a communication between the lower valve chamber and the upper ventilation chamber, a first float valve that is accommodated in a first valve chamber of the lower valve chamber so as to rise and fall and that closes the first opening when a fuel level in a fuel tank nearly reaches a set full fuel level, and a second float valve that is accommodated in a second valve chamber of the lower valve chamber so as to rise and fall and that closes the second opening when the fuel level in the fuel tank rises abnormally.
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公开(公告)号：US20140305514A1
公开(公告)日：2014-10-16
申请号：US14356570
申请日：2012-11-01
申请人： PIOLAX, Inc.
发明人： Kenta Mihara
IPC分类号： B01D19/00
CPC分类号： B01D19/0063 , B60K15/03519 , B60K2015/03289 , B60K2015/03388 , F02M37/0082 , F02M37/20 , F16K17/196 , F16K24/044 , F16K24/06 , Y10T137/0874 , Y10T137/3099
摘要： A valve unit includes a housing which has a partition wall in which an opening portion is formed, a float valve which is disposed within a valve chamber R1 thereof, and a check valve which is disposed within a valve chamber R2. A valve seat is provided on a lower surface side of the partition wall, and plural radially-extending thin ribs are formed therearound. Plural axially-extending check valve guide ribs are provided at predetermined circumferential intervals with in the vent chamber R2, and plural axially-extending float valve guide ribs are provided at predetermined circumferential intervals within the valve chamber R1. The thin ribs and the check valve guide ribs are formed circumferentially alternately so as not to be superposed on each other when viewed from an axial direction of the housing.
摘要翻译： 阀单元包括壳体，其具有形成有开口部的分隔壁，设置在其阀室R1内的浮阀和设置在阀室R2内的止回阀。 在隔壁的下表面侧设置有阀座，在其周围形成有多个径向延伸的薄肋。 多个轴向延伸的止回阀引导肋以预定的周向间隔设置在通气室R2中，并且在阀室R1内以预定的周向间隔设置多个轴向延伸的浮阀导向肋。 细肋和止回阀引导肋沿着外壳的轴向方向从周向交替地形成为不会彼此叠合。
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公开(公告)号：US11009147B2
公开(公告)日：2021-05-18
申请号：US16158192
申请日：2018-10-11
申请人： PIOLAX, INC.
发明人： Kenta Mihara
IPC分类号： F16K24/04 , B60K15/03 , F16K31/22 , B60K15/035 , F16K31/18
摘要： There is provided a valve device for a fuel tank. A housing is provided with a valve chamber and a vent chamber defined via a partition wall. The partition wall is provided with an opening. A float valve is received in the valve chamber to be movable up and down. The float valve includes a lower member and an upper member. The upper member includes a top portion, an outside wall extending from the top portion, and an elastic engaging piece configured to engage with an engaged portion of the lower member. The elastic engaging piece extends from a location on the back surface of the top portion, which is located inward from the outside wall, and is configured to elastically return after being bent in an outward radial direction of the upper member and thus to engage with the engaged portion of the lower member.
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公开(公告)号：US09903318B2
公开(公告)日：2018-02-27
申请号：US14971843
申请日：2015-12-16
申请人： PIOLAX, INC.
发明人： Kenta Mihara
CPC分类号： F02M25/0836 , F02M25/0872 , F16K24/044 , F16K27/07
摘要： One embodiment is related to a valve apparatus to be mounted on a fuel tank. The valve apparatus including: a housing including a ventilation chamber on a bottom face of which a first opening and a second opening are provided, and a valve chamber communicating with the first opening and disposed below the ventilation chamber, and a float valve disposed in the valve chamber. The housing includes a canister-connecting pipe communicating with the second opening. A standing wall is disposed on the bottom face of the ventilation chamber between a peripheral edge portion of the first opening and a peripheral edge portion of the second opening. And, an overhang wall portion extends from a side face of the standing wall toward the first opening, as viewed from above.
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公开(公告)号：US09492765B2
公开(公告)日：2016-11-15
申请号：US14356570
申请日：2012-11-01
申请人： PIOLAX, Inc.
发明人： Kenta Mihara
IPC分类号： F16K24/04 , B01D19/00 , F16K17/196 , B60K15/035 , F16K24/06 , F02M37/20 , B60K15/03 , F02M37/00
CPC分类号： B01D19/0063 , B60K15/03519 , B60K2015/03289 , B60K2015/03388 , F02M37/0082 , F02M37/20 , F16K17/196 , F16K24/044 , F16K24/06 , Y10T137/0874 , Y10T137/3099
摘要： A valve unit includes a housing which has a partition wall in which an opening portion is formed, a float valve which is disposed within a valve chamber R1 thereof, and a check valve which is disposed within a valve chamber R2. A valve seat is provided on a lower surface side of the partition wall, and plural radially-extending thin ribs are formed therearound. Plural axially-extending check valve guide ribs are provided at predetermined circumferential intervals with in the vent chamber R2, and plural axially-extending float valve guide ribs are provided at predetermined circumferential intervals within the valve chamber R1. The thin ribs and the check valve guide ribs are formed circumferentially alternately so as not to be superposed on each other when viewed from an axial direction of the housing.
摘要翻译： 阀单元包括壳体，其具有形成有开口部的分隔壁，设置在其阀室R1内的浮阀和设置在阀室R2内的止回阀。 在隔壁的下表面侧设置有阀座，在其周围形成有多个径向延伸的薄肋。 多个轴向延伸的止回阀引导肋以预定的周向间隔设置在通气室R2中，并且在阀室R1内以预定的周向间隔设置多个轴向延伸的浮阀导向肋。 细肋和止回阀引导肋沿着外壳的轴向方向从周向交替地形成为不会彼此叠合。
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公开(公告)号：US12090838B2
公开(公告)日：2024-09-17
申请号：US18034604
申请日：2021-11-09
申请人： PIOLAX, INC.
发明人： Kenta Mihara
IPC分类号： B60K15/035 , B60K15/03 , F16K24/04
CPC分类号： B60K15/035 , F16K24/042 , B60K2015/03289
摘要： There is provided a valve device for a fuel tank including: a housing; a first float valve accommodated in a first valve chamber; and a second float valve accommodated in a second valve chamber. The housing includes a housing body and a lower cap. The housing body has a housing body peripheral wall. The housing body peripheral wall has a first valve chamber forming wall that forms an outer periphery of the first valve chamber, and a second valve chamber forming wall that has a contour shape different from that of the first valve chamber forming wall and that forms an outer periphery of the second valve chamber. The lower cap has a cap peripheral wall having a shape fitting to the housing body peripheral wall.
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公开(公告)号：US11932101B2
公开(公告)日：2024-03-19
申请号：US17785227
申请日：2020-12-17
申请人： PIOLAX, INC.
发明人： Kenta Mihara , Kazuki Yajima
IPC分类号： F16K24/04 , B60K15/035 , F16K17/12 , B60K15/03 , G05D16/12
CPC分类号： B60K15/035 , F16K17/12 , F16K24/044 , B60K2015/03289 , G05D16/12 , Y10T137/0874
摘要： There is provided a valve device including: a housing; a float valve; and a pressure adjusting valve. A first valve seat is formed from a peripheral edge of a valve hole. An accommodation portion is provided in a protruding manner from a surface of a partition wall. An inner periphery of the accommodation portion is provided with a reduced diameter portion and an increased diameter portion. A height of an upper end of the reduced diameter portion is equal to or greater than a front surface of the pressure adjusting valve in a state where the pressure adjusting valve is in contact with the first valve seat. The pressure adjusting valve is configured to be beyond the upper end of the reduced diameter portion when the pressure adjusting valve is raised to a maximum due to an increase in pressure in a fuel tank.
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