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公开(公告)号：US10597050B2
公开(公告)日：2020-03-24
申请号：US15528551
申请日：2016-10-17
发明人： Takayuki Sawa , Hideki Kitada , Yasuhiko Ura , Takehiro Nishimura , Keiichiro Kamura , Yoshi Sato
摘要： An air spring includes an outer cylindrical member, an inner cylindrical member combined with the outer cylindrical member, a diaphragm coupling the outer cylindrical member and the inner cylindrical member to each other, the diaphragm providing an internal space between the outer cylindrical member and the inner cylindrical member, a first element located on a side of the internal space in at least one of the outer cylindrical member and the inner cylindrical member and defining a part of the internal space, a second element adjacent to the first element, the second element defining a part of the internal space, and a cover layer covering a boundary portion between the first element and the second element.
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公开(公告)号：US10563719B2
公开(公告)日：2020-02-18
申请号：US15527130
申请日：2016-10-17
发明人： Takayuki Sawa , Hideki Kitada , Yasuhiko Ura , Takehiro Nishimura , Keiichiro Kamura , Yoshi Sato
摘要： An air spring includes an outer cylindrical member, an inner cylindrical member, a diaphragm, the diaphragm providing an internal space between the outer cylindrical member and the inner cylindrical member, a stopper assembly arranged in the internal space as being pivotable over the inner cylindrical member, a handle for pivoting the stopper assembly over the inner cylindrical member, a guide member attached to the handle as rising from the handle, a positioning member attached by insertion in a guide hole in the guide member for positioning of the handle, a positioning hole provided in the inner cylindrical member which can receive the positioning member, and a holding mechanism in the inner cylindrical member. A position of the stopper assembly with respect to the inner cylindrical member is determined by inserting the positioning member in the positioning hole.
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公开(公告)号：US10435044B2
公开(公告)日：2019-10-08
申请号：US15526396
申请日：2016-10-17
发明人： Takayuki Sawa , Hideki Kitada , Yasuhiko Ura , Takehiro Nishimura , Keiichiro Kamura , Yoshi Sato
摘要： An air spring includes: an outer cylindrical member; an inner cylindrical member; a diaphragm which couples the outer and inner cylindrical members and forms an internal space; a stopper assembly disposed in the internal space; and a pivoting mechanism which causes this stopper assembly to pivot on the inner cylindrical member. The stopper assembly has a stopper portion protruding towards the outer cylindrical member, and the outer cylindrical member has as a set four or more protrusion portions provided at a position to face the stopper portion and protruding toward the inner cylindrical member. Each of the protrusion portions belonging to the set is disposed successively and also different in height. Each of the protrusion portions belonging to the set is arranged without having a protrusion portion belonging to the set smallest in height adjacent to a protrusion portion belonging to the set largest in height.
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公开(公告)号：US10449979B2
公开(公告)日：2019-10-22
申请号：US15528547
申请日：2016-10-17
发明人： Takayuki Sawa , Hideki Kitada , Yasuhiko Ura , Takehiro Nishimura , Keiichiro Kamura , Yoshi Sato
摘要： An air spring includes an outer cylindrical member, an inner cylindrical member combined with the outer cylindrical member, a diaphragm coupling the outer cylindrical member and the inner cylindrical member to each other, the diaphragm providing an internal space between the outer cylindrical member and the inner cylindrical member, a stopper assembly arranged in the internal space as being pivotable over the inner cylindrical member, the stopper assembly allowing suppression of movement of the outer cylindrical member toward the inner cylindrical member more than necessary, a pivoting mechanism pivoting the stopper assembly over the inner cylindrical member, and a space portion provided between the stopper assembly and the inner cylindrical member, the space portion allowing lowering in resistance in pivot of the stopper assembly.
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公开(公告)号：US10538257B2
公开(公告)日：2020-01-21
申请号：US15525987
申请日：2016-10-17
发明人： Takayuki Sawa , Hideki Kitada , Yasuhiko Ura
IPC分类号： B61F5/10
摘要： An air spring according to the present disclosure includes: an inner cylindrical member; an outer cylindrical member provided on the inner cylindrical member; a diaphragm coupled with the outer cylindrical member and the inner cylindrical member; and a stopper provided rotatably with respect to a circumferential direction of the inner cylindrical member. The stopper has a raised portion raised towards the outer cylindrical member and moving on the inner cylindrical member in the circumferential direction. The outer cylindrical member has a plurality of raised portions raised toward the inner cylindrical member. The plurality of raised portions of the outer cylindrical member are different in height. At least one of the outer cylindrical member's raised portion and the stopper's raised portion is restorable against circumferential deformation.
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公开(公告)号：US09340217B2
公开(公告)日：2016-05-17
申请号：US14409152
申请日：2013-06-10
发明人： Yoshi Sato , Yukitaka Taga , Kazuo Isomura , Makoto Tamaki , Junichi Shirakawa , Koichi Murata , Hirokazu Haraguchi , Takayuki Sawa
摘要： A railcar bogie includes: a bolster located under a carbody of a railcar; an air spring including an air spring main body in which air is stored, the air spring being arranged between the carbody and the bolster; a coil spring arranged between the air spring and the bolster and configured to separate the air spring from the bolster by restoring force thereof in a state where a height of the carbody is maintained at a certain height regardless of the air spring; and a limiting member configured to limit the amount of displacement of the coil spring to limit the amount of separation between the air spring and the bolster.
摘要翻译： 铁路车辆转向架包括：位于铁路车身下方的扶手; 空气弹簧，其包括空气弹簧主体，空气存储在所述空气弹簧主体中，所述空气弹簧布置在所述车体和所述摇枕之间; 螺旋弹簧，其布置在所述空气弹簧和所述摇枕之间，并且构造成在所述车身的高度保持在一定高度而与所述空气弹簧无关的状态下通过其恢复力将所述空气弹簧与所述摇枕分离; 以及限制构件，其构造成限制螺旋弹簧的位移量以限制空气弹簧和摇枕之间的分离量。
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公开(公告)号：US20150175176A1
公开(公告)日：2015-06-25
申请号：US14409152
申请日：2013-06-10
发明人： Yoshi Sato , Yukitaka Taga , Kazuo Isomura , Makoto Tamaki , Junichi Shirakawa , Koichi Murata , Hirokazu Haraguchi , Takayuki Sawa
IPC分类号： B61F5/10
摘要： A railcar bogie includes: a bolster located under a carbody of a railcar; an air spring including an air spring main body in which air is stored, the air spring being arranged between the carbody and the bolster; a coil spring arranged between the air spring and the bolster and configured to separate the air spring from the bolster by restoring force thereof in a state where a height of the carbody is maintained at a certain height regardless of the air spring; and a limiting member configured to limit the amount of displacement of the coil spring to limit the amount of separation between the air spring and the bolster.
摘要翻译： 铁路车辆转向架包括：位于铁路车身下方的扶手; 空气弹簧，其包括空气弹簧主体，空气存储在所述空气弹簧主体中，所述空气弹簧布置在所述车体和所述摇枕之间; 螺旋弹簧，其布置在所述空气弹簧和所述摇枕之间，并且构造成在所述车身的高度保持在一定高度而与所述空气弹簧无关的状态下通过其恢复力将所述空气弹簧与所述摇枕分离; 以及限制构件，其构造成限制螺旋弹簧的位移量以限制空气弹簧和摇枕之间的分离量。
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公开(公告)号：US09759282B2
公开(公告)日：2017-09-12
申请号：US14122454
申请日：2013-04-01
发明人： Yasuhiko Ura , Hirokazu Haraguchi , Takayuki Sawa , Jun Yoshida
CPC分类号： F16F9/05 , F16F9/04 , F16F2224/0241 , F16F2230/24
摘要： An air spring includes a top plate, a bottom plate disposed with a distance in a main load direction from the top plate, and a diaphragm made of elastically deformable rubber and connected to the top plate and the bottom plate to form a closed space therebetween. A modulus of elasticity of a material constituting a connection section which is disposed in the top plate and the bottom plate and connected to the diaphragm is greater than a modulus of elasticity of the rubber constituting the diaphragm and smaller than a modulus of elasticity of aluminum.
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公开(公告)号：US20150219177A1
公开(公告)日：2015-08-06
申请号：US14122454
申请日：2013-04-01
发明人： Yasuhiko Ura , Hirokazu Haraguchi , Takayuki Sawa , Jun Yoshida
IPC分类号： F16F9/05
CPC分类号： F16F9/05 , F16F9/04 , F16F2224/0241 , F16F2230/24
摘要： An air spring includes a top plate, a bottom plate disposed with a distance in a main load direction from the top plate, and a diaphragm made of elastically deformable rubber and connected to the top plate and the bottom plate to form a closed space therebetween. A modulus of elasticity of a material constituting a connection section which is disposed in the top plate and the bottom plate and connected to the diaphragm is greater than a modulus of elasticity of the rubber constituting the diaphragm and smaller than a modulus of elasticity of aluminum.
摘要翻译： 空气弹簧包括顶板，从顶板设置在主负载方向上的距离的底板，以及由可弹性变形的橡胶制成的隔膜，并连接到顶板和底板，以在它们之间形成封闭空间。 构成连接部分的材料的弹性模量设置在顶板和底板中并连接到隔膜上的弹性模量大于构成隔膜的橡胶的弹性模量小于铝的弹性模量。
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