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公开(公告)号：US11536345B2
公开(公告)日：2022-12-27
申请号：US16979106
申请日：2019-03-28
Applicant: KYB Corporation
Inventor： Kenta Ishimaru , Kazuyuki Kimishima , Hirohito Mori , Masahiro Miwa , Gai Cho , Hisato Shii , Naoki Yasukouchi , Takahiro Owa
Abstract: A valve seat member is provided with: a first seat arranged so as to be spaced apart from an opening of a port; a second seat connected to the first seat at both ends so as to surround the opening of the port; an island portion arranged on the first seat side of the opening of the port in a region surrounded by the first seat and the second seat such that a hollow space is formed between the island portion and the first seat; and a passage configured to extend through the island portion to allow communication between the port and the hollow space.
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公开(公告)号：US11536344B2
公开(公告)日：2022-12-27
申请号：US16982917
申请日：2019-04-02
Applicant: KYB Corporation
Inventor： Kazuyuki Kimishima , Takeshi Yasui
Abstract: The valve includes a valve case; an annular valve body, an outer peripheral end of which is a free end movable to both sides in an axial direction with respect to the valve case; a facing portion provided in the valve case, the facing portion including an annular facing surface which is located on an outer peripheral side of the valve body and is configured to face the free end with a gap; and first and second valve stoppers which are located on both sides respectively in the axial direction of the valve body. The first and second valve stoppers, respectively, have a plurality of support portions that are configured to support different positions of the valve body in a radial direction at different heights when the valve body deflects.
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公开(公告)号：US11629772B2
公开(公告)日：2023-04-18
申请号：US16761733
申请日：2018-12-12
Applicant: KYB Corporation
Inventor： Kazuyuki Kimishima , Tomohiko Baba , Takeshi Yasui
Abstract: A valve includes: a valve case; and an annular valve body, one of the inner circumference end and the outer circumference end of the valve body being formed as the free end capable of moving towards both sides in the axial direction with respect to the valve case. The valve case has the annular opposing surface capable of opposing to the free end so as to form the gap therebetween, and the guide surface that is positioned on one side of the opposing surface in the axial direction, the guide surface being continuous with the part of the opposing surface in the circumferential direction. The guide surface is inclined in the direction away from the valve body as the distance from the opposing surface is increased.
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