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1. 发明授权

US4840030A Tail pipe structure of control type muffler 失效
标题翻译：控制式消声器尾管结构
公开(公告)号：US4840030A
公开(公告)日：1989-06-20
申请号：US146422
申请日：1988-01-21
申请人： Tsunemi Ikeda , Motoki Ota
发明人： Tsunemi Ikeda , Motoki Ota
IPC分类号： F01N1/08 , F01N1/16 , F01N13/08 , F01N13/20
CPC分类号： F01N13/08 , F01N1/166 , F01N2470/14 , F01N2470/20
摘要： A tail pipe structure of a control type muffler having a first outlet pipe and a second outlet pipe provided with a control valve inserted therein, wherein the first outlet pipe is in communication with the downstream side of the control valve of the second outlet pipe. The mechanism of the muffler is such that when the control valve is opened, the exhaust gases flow into the atmosphere from the first and second outlet pipes. Further, even when the control valve is closed, the exhaust gases in the first outlet pipe flow into the atmosphere therethrough while a part of the exhaust gases flow into the second outlet pipe from the first outlet pipe through the communication pipe and is then discharged into the atmosphere.
摘要翻译：一种具有第一出口管和设置有插入其中的控制阀的第二出口管的控制式消音器的尾管结构，其中第一出口管与第二出口管的控制阀的下游侧连通。消音器的机构使得当控制阀打开时，废气从第一和第二出口管流入大气。此外，即使当控制阀关闭时，第一出口管中的废气流入大气，而一部分废气通过连通管从第一出口管流入第二出口管，然后排出到气氛。

2. 发明授权

US4027617A Grating apparatus for protecting the draft port of a water-jet propulsion system 失效
标题翻译：用于保护喷水推进系统的通风口的光栅装置
公开(公告)号：US4027617A
公开(公告)日：1977-06-07
申请号：US667313
申请日：1976-03-16
申请人： Tsunemi Ikeda , Tamotsu Sezaki
发明人： Tsunemi Ikeda , Tamotsu Sezaki
IPC分类号： B63H11/01 , B63H5/16 , B63H11/04 , F04B53/20
CPC分类号： B63H5/165 , B63H11/04
摘要： A device for protecting the inlet or draft port of a water-jet propulsion system is disclosed. In a forward part of the inlet port of a drafting duct of a propulsion pump, a grate is mounted rotatable around a shaft which in turn is supported by a bracket. The bracket is secured to a lower part of the pump casing. A pin, passing through the grate, is urged by a spring to engage a part of the bracket to lock the grate in a position to block large objects from entering the duct. When the pin is disengaged against the force of the spring the grate is rotated to a position to permit manual entry into the duct for repair purposes.
摘要翻译：公开了一种用于保护喷水推进系统的入口或通风口的装置。在推进泵的牵伸导管的入口的前部，格栅可绕轴旋转安装，轴又由支架支撑。支架固定在泵壳的下部。穿过格栅的销被弹簧推动以接合托架的一部分，以将格栅锁定在阻挡大物体进入管道的位置。当销与弹簧的力分离时，格栅旋转到允许手动进入管道进行维修的位置。

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