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1. 发明授权

US08608456B2 High pressure pump 失效
标题翻译：高压泵
公开(公告)号：US08608456B2
公开(公告)日：2013-12-17
申请号：US13353719
申请日：2012-01-19
申请人： Osamu Hishinuma , Tatsuro Koga
发明人： Osamu Hishinuma , Tatsuro Koga
IPC分类号： F04B49/00 , F02M41/00 , F02M37/04
CPC分类号： F04B1/0452 , F04B7/0076 , F04B53/1082
摘要： At least one choked flow passage communicates between one side of the movable member and the other side of the movable member and limits an amount of fuel, which passes from the one side of the movable member to the other side of the movable member, when the movable member is moved by an urging force of a relief spring toward a valve element. A larger amount of fuel, which is larger than the amount of fuel that is passable through the at least one choked flow passage, flows from a first return flow passage to a second return flow passage, when the movable member is moved toward the other side, which is opposite from the valve element, against the urging force of the relief spring.
摘要翻译：至少一个扼流流路在可动件的一侧和可移动件的另一侧之间连通，并限制了从活动件的一侧到可移动件的另一侧的燃料量，可动构件通过释放弹簧的作用力向阀元件移动。大于能够通过至少一个扼流流路的燃料量的燃料从第一返回流路流向第二返回流路时，当可动部件向另一侧移动时，其与阀元件相对，抵抗释放弹簧的推动力。

2. 发明申请

US20120251366A1 HIGH-PRESSURE PUMP 有权
标题翻译：高压泵
公开(公告)号：US20120251366A1
公开(公告)日：2012-10-04
申请号：US13433521
申请日：2012-03-29
申请人： Masatoshi Kuroyanagi , Shinobu Oikawa , Tatsuro Koga
发明人： Masatoshi Kuroyanagi , Shinobu Oikawa , Tatsuro Koga
IPC分类号： F04B23/00
CPC分类号： F04B53/109 , F04B1/0404 , F04B17/05 , F04B19/22 , F04B49/035 , F04B49/24 , F04B53/00 , F04B53/1087 , F04B53/14 , F04B53/16 , F04C14/26 , F16K17/048
摘要： A valve body is provided with a discharge relief portion. A relief valve outlet is formed in an end face thereof on a central axis of the valve body. Discharge valve inlets are point-symmetrically formed with respect to the central axis. A discharge valve outlet is formed in another end face thereof and relief valve inlets are point-symmetrically formed with respect to the central axis. A discharge valve outlet and the discharge valve inlets communicate with each other. A flow of fuel from a pressurization chamber to a fuel discharge port is restricted by a discharge valve member capable of closing the discharge valve outlet. The relief valve outlet and the relief valve inlets communicate with each other. A flow of fuel from the fuel discharge port to the pressurization chamber is restricted by a relief valve member capable of closing the relief valve outlet.
摘要翻译：阀体设置有排出部分。安全阀出口形成在阀体的中心轴线的端面上。排放阀入口相对于中心轴线点对称地形成。排气阀出口形成在另一个端面，安全阀入口相对于中心轴线点对称地形成。排出阀出口和排出阀入口彼此连通。从加压室到燃料排出口的燃料流由能够关闭排出阀出口的排出阀构件限制。安全阀出口和安全阀入口相互连通。从燃料排出口到加压室的燃料流由能够关闭安全阀出口的安全阀构件限制。

3. 发明授权

US09181944B2 High pressure pump having unitary discharge and relief valve 有权
标题翻译：高压泵具有单一排放和安全阀
公开(公告)号：US09181944B2
公开(公告)日：2015-11-10
申请号：US13433521
申请日：2012-03-29
申请人： Masatoshi Kuroyanagi , Shinobu Oikawa , Tatsuro Koga
发明人： Masatoshi Kuroyanagi , Shinobu Oikawa , Tatsuro Koga
IPC分类号： F04B53/00 , F04C14/26 , F16K17/04 , F04B49/24 , F04B49/035
CPC分类号： F04B53/109 , F04B1/0404 , F04B17/05 , F04B19/22 , F04B49/035 , F04B49/24 , F04B53/00 , F04B53/1087 , F04B53/14 , F04B53/16 , F04C14/26 , F16K17/048
摘要： A valve body is provided with a discharge relief portion. A relief valve outlet is formed in an end face thereof on a central axis of the valve body. Discharge valve inlets are point-symmetrically formed with respect to the central axis. A discharge valve outlet is formed in another end face thereof and relief valve inlets are point-symmetrically formed with respect to the central axis. A discharge valve outlet and the discharge valve inlets communicate with each other. A flow of fuel from a pressurization chamber to a fuel discharge port is restricted by a discharge valve member capable of closing the discharge valve outlet. The relief valve outlet and the relief valve inlets communicate with each other. A flow of fuel from the fuel discharge port to the pressurization chamber is restricted by a relief valve member capable of closing the relief valve outlet.
摘要翻译：阀体设置有排出部分。安全阀出口形成在阀体的中心轴线的端面上。排放阀入口相对于中心轴线点对称地形成。排气阀出口形成在另一个端面，安全阀入口相对于中心轴线点对称地形成。排出阀出口和排出阀入口彼此连通。从加压室到燃料排出口的燃料流由能够关闭排出阀出口的排出阀构件限制。安全阀出口和安全阀入口相互连通。从燃料排出口到加压室的燃料流由能够关闭安全阀出口的安全阀构件限制。

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