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1. 发明申请

US20100139786A1 Multi-Protection Valve 有权
标题翻译：多重保护阀
公开(公告)号：US20100139786A1
公开(公告)日：2010-06-10
申请号：US12516418
申请日：2007-11-29
申请人： Ichirou Minato , Kenji Hattori , Fumiaki Uno , Hiroshi Ozawa
发明人： Ichirou Minato , Kenji Hattori , Fumiaki Uno , Hiroshi Ozawa
IPC分类号： F16K15/00
CPC分类号： B60T17/04 , Y10T137/7838 , Y10T137/87893
摘要： An object of the present invention is to allow a vehicle to run in the case where an air compressor connected to an input port fails so as to cause air leakage from the location of the failure, by preventing air in a parking brake circuit from leaking from the failure location through a bleed air flow path. In order to achieve the object, a multi-protection valve includes: a communication passage for communicating between an input chamber and a service output port so as to bypass a pressure control valve provided in correspondence with the service output port, the communication passage having a check valve for preventing air from flowing from the service output port into the input chamber and a throttle for restricting the air flow rate; and a bleed air flow path for communicating between the input chamber and the parking output port so as to bypass pressure control valves, the bleed air flow path having a second check valve for preventing air from flowing from the input chamber to the parking output port. The multi-protection valve further includes a third check valve provided between the input chamber and an input port to prevent air from flowing from the input chamber to the input port.
摘要翻译：本发明的目的是允许车辆在连接到输入端口的空气压缩机失效的情况下运行，以便通过防止驻车制动回路中的空气泄漏而从故障位置引起空气泄漏通过排气流动路径的故障位置。为了实现该目的，多保护阀包括：连通通道，用于在输入室和服务输出端口之间连通，以绕过与服务输出端口对应地设置的压力控制阀，连通通道具有用于防止空气从服务输出端口流入输入室的止回阀和用于限制空气流量的节流阀; 以及用于在输入室和停车输出端口之间连通以便旁通压力控制阀的排气路径，该排气路径具有第二止回阀，用于防止空气从输入室流向停车输出端口。多保护阀还包括设置在输入腔和输入口之间的第三止回阀，以防止空气从输入腔流入输入口。

2. 发明授权

US08342208B2 Multi-protection valve 有权
标题翻译：多重保护阀
公开(公告)号：US08342208B2
公开(公告)日：2013-01-01
申请号：US12516418
申请日：2007-11-29
申请人： Ichirou Minato , Kenji Hattori , Fumiaki Uno , Hiroshi Ozawa
发明人： Ichirou Minato , Kenji Hattori , Fumiaki Uno , Hiroshi Ozawa
IPC分类号： F16K11/20 , B60T13/00
CPC分类号： B60T17/04 , Y10T137/7838 , Y10T137/87893
摘要： An object of the present invention is to allow a vehicle to run in the case where an air compressor connected to an input port fails so as to cause air leakage from the location of the failure, by preventing air in a parking brake circuit from leaking from the failure location through a bleed air flow path. In order to achieve the object, a multi-protection valve includes: a communication passage for communicating between an input chamber and a service output port so as to bypass a pressure control valve provided in correspondence with the service output port, the communication passage having a check valve for preventing air from flowing from the service output port into the input chamber and a throttle for restricting the air flow rate; and a bleed air flow path for communicating between the input chamber and the parking output port so as to bypass pressure control valves, the bleed air flow path having a second check valve for preventing air from flowing from the input chamber to the parking output port. The multi-protection valve further includes a third check valve provided between the input chamber and an input port to prevent air from flowing from the input chamber to the input port.
摘要翻译：本发明的目的是允许车辆在连接到输入端口的空气压缩机失效的情况下运行，以便通过防止驻车制动回路中的空气泄漏而从故障位置引起空气泄漏通过排气流动路径的故障位置。为了实现该目的，多保护阀包括：连通通道，用于在输入室和服务输出端口之间连通，以绕过与服务输出端口对应地设置的压力控制阀，连通通道具有用于防止空气从服务输出端口流入输入室的止回阀和用于限制空气流量的节流阀; 以及用于在输入室和停车输出端口之间连通以便旁通压力控制阀的排气路径，该排气路径具有第二止回阀，用于防止空气从输入室流向停车输出端口。多保护阀还包括设置在输入腔和输入口之间的第三止回阀，以防止空气从输入腔流入输入口。

3. 发明授权

US06430927B1 Master cylinder 有权
公开(公告)号：US06430927B1
公开(公告)日：2002-08-13
申请号：US09725758
申请日：2000-11-30
申请人： Fumiaki Uno , Shinji Kajiro
发明人： Fumiaki Uno , Shinji Kajiro
IPC分类号： B60T1126
摘要： A reservoir flange portion is formed in a leg portion of a reservoir so as to protrude beyond a seal member in a direction of a cylinder body and to extend radially outward. An annular retaining member, which has an outer diameter larger than the outer diameter of the reservoir flange portion and an inner diameter smaller than the outer diameter of the reservoir flange portion, is interposed between an engaging surface of the reservoir flange portion of the reservoir and an engaging surface of the seal member. By this arrangement, retention of the reservoir relative to the seal member and the cylinder body is markedly improved by means of the retaining member having an outer diameter larger than the outer diameter of the reservoir flange portion.

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