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1. 发明授权

US5744762A Muffler controller for use in controllable exhaust system of internal combustion engine 失效
标题翻译：用于内燃机可控排气系统的消声器控制器
公开(公告)号：US5744762A
公开(公告)日：1998-04-28
申请号：US571768
申请日：1995-12-13
申请人： Koji Seki , Yukio Nakanishi , Tanomo Norikawa
发明人： Koji Seki , Yukio Nakanishi , Tanomo Norikawa
IPC分类号： F01N1/16 , F01N13/08 , F02D9/06 , F02D9/10 , F01N1/00
CPC分类号： F01N13/087 , F01N1/165 , F01N1/166 , F01N1/168 , F02D9/06 , F02D9/1065 , Y10T137/7771
摘要： A controllable exhaust system of an internal combustion engine is shown which includes an exhaust gas inlet tube extending from the engine, a muffler connected at its inlet side to the exhaust gas inlet tube and having first and second exhaust gas flowing passages defined therein, and first and second exhaust gas outlet tubes respectively connected to the first and second exhaust gas flowing passages and extending from the muffler independently. A muffler controller is incorporated with the exhaust system for varying the flow passage area of the second exhaust gas outlet tube in accordance with the pressure of the exhaust gas led into the muffler from the engine. The muffler controller comprises an actuator having a piston rod which is moved straightly and reciprocatively in accordance with the magnitude of the exhaust pressure in the muffler; and a valve assembly including a valve plate, a pivot shaft through which the valve plate is pivotally installed in the second exhaust gas outlet tube, an operation disc coaxially connected to the pivot shaft to rotate together with the pivot shaft and the valve plate, an elongate slot formed in the operation disc and extending radially with respect to the center of the operation disc, and a roller rotatably connected to the piston rod and slidably received in the elongate slot.
摘要翻译：示出了内燃机的可控排气系统，其包括从发动机延伸的排气入口管，在其入口侧连接到排气入口管的消声器，并且具有限定在其中的第一和第二排气流动通道，以及第一和分别连接到第一和第二废气流动通道并从消声器独立地延伸的第二排气出口管。消音器控制器结合有排气系统，用于根据从发动机引入消声器的废气的压力来改变第二废气出口管的流路面积。消音器控制器包括具有活塞杆的致动器，该活塞杆根据消音器中排气压力的大小直线地往复运动; 以及阀组件，其包括阀板，枢轴，阀板枢转地安装在第二排气出口管中的枢轴，与枢轴同轴连接以与枢轴和阀板一起旋转的操作盘，细长槽形成在操作盘中并相对于操作盘的中心径向延伸，以及可旋转地连接到活塞杆并可滑动地容纳在细长槽中的辊。

2. 发明授权

US5723829A Muffler assembly of internal combustion engine 失效
标题翻译：内燃机消声器总成
公开(公告)号：US5723829A
公开(公告)日：1998-03-03
申请号：US571773
申请日：1995-12-13
申请人： Tomohisa Inomata , Tohru Awaya , Koji Seki , Yukio Nakanishi , Tanomo Norikawa
发明人： Tomohisa Inomata , Tohru Awaya , Koji Seki , Yukio Nakanishi , Tanomo Norikawa
IPC分类号： F01N1/16 , F01N1/00
CPC分类号： F01N1/165
摘要： A muffler assembly, for an exhaust system of an internal combustion engine has an exhaust gas inlet tube projected into the muffler to feed the muffler with the exhaust gas of the engine. First and second flow passages are defined through which the exhaust gas from the muffler flows independently before discharged to the open air. The controller has a pneumatic actuator that has a piston rod and a work chamber. The piston rod is adapted to reciprocate linearly in accordance with the magnitude of pressure developed in the work chamber. The pressure of the exhaust gas of the engine is fed to the work chamber of the pneumatic actuator. The actuator controls a valve assembly which includes a valve plate and a pivot shaft through which the valve plate is pivotally installed in the second flow passage of the first means. A link mechanism is used to operatively connect the piston rod of the actuator to the pivot shaft of the valve assembly so that the movement of the piston rod induces an opening/closing pivoting of the valve plate in the second flow passage.
摘要翻译：用于内燃机的排气系统的消声器组件具有突出到消音器中的排气入口管，以使消声器与发动机的排气一起供给。限定第一和第二流动通道，来自消声器的废气在排放到露天之前独立流动。控制器具有气动致动器，其具有活塞杆和工作室。活塞杆适于根据在工作室中产生的压力的大小线性地往复运动。发动机排气的压力被送入气动执行机构的工作室。致动器控制阀组件，其包括阀板和枢轴，阀板通过枢轴安装在第一装置的第二流动通道中。连杆机构用于将致动器的活塞杆可操作地连接到阀组件的枢轴，使得活塞杆的运动引起阀板在第二流动通道中的打开/关闭枢转。

3. 发明授权

US5692374A Exhaust system of internal combustion engine 失效
标题翻译：内燃机排气系统
公开(公告)号：US5692374A
公开(公告)日：1997-12-02
申请号：US552797
申请日：1995-11-03
申请人： Koji Seki , Yukio Nakanishi , Tanomo Norikawa
发明人： Koji Seki , Yukio Nakanishi , Tanomo Norikawa
IPC分类号： F01N1/02 , F01N1/08 , F01N1/16 , F01N13/08 , F02D9/04 , F01N7/00
CPC分类号： F01N1/023 , F01N1/02 , F01N1/084 , F01N1/165 , F01N2210/04 , F01N2390/06 , F01N2470/14 , F01N2470/22 , F01N2490/155
摘要： An exhaust system of an internal combustion engine has an exhaust gas inlet tube extending from the engine. A muffler is connected at its inlet side to the exhaust gas inlet tube. The muffler includes first and second exhaust gas flowing passages. First and second exhaust gas outlet tubes are respectively connected to the first and second exhaust gas flowing passages and extend from the muffler independently. A flow controller steplessly varies the flow passage area of the second exhaust gas outlet tube in accordance with the pressure of the exhaust gas discharged from the engine. The flow controller continuously increases the flow passage area with increase of the magnitude of the exhaust gas pressure.
摘要翻译：内燃机的排气系统具有从发动机延伸的排气入口管。消声器在其入口侧连接到排气入口管。消声器包括第一和第二废气流动通道。第一和第二废气出口管分别连接到第一和第二废气流动通道并独立地从消声器延伸。流量控制器根据从发动机排出的废气的压力，无级地改变第二废气出口管的流路面积。流量控制器随着废气压力的大小的增加而连续地增加流通面积。

4. 发明授权

US06755279B2 Controllable muffler system for internal combustion engine 失效
标题翻译：内燃机可控消声器系统
公开(公告)号：US06755279B2
公开(公告)日：2004-06-29
申请号：US09949606
申请日：2001-09-12
申请人： Yukio Kaneko , Tanomo Norikawa , Shinichi Horiuchi , Kai Takeuchi , Atsushi Kijima
发明人： Yukio Kaneko , Tanomo Norikawa , Shinichi Horiuchi , Kai Takeuchi , Atsushi Kijima
IPC分类号： F01N702
CPC分类号： F01N1/089 , F01N1/10 , F01N1/165 , F01N1/166
摘要： A controllable muffler system is sued for use with an engine that produces a power by burning fuel. The system comprises a first passage section extending from the engine for having an exhaust gas of the engine flow therethrough. The first passage section has a catalytic converter mounted thereon. The system further comprises a dual passage section including second and third passage sections which extend separately from an end of the first passage section. The second passage has a control valve for controlling the flow rate of the exhaust gas flowing therethrough. The system further comprises a fourth passage section extending from respective ends of the second and third passage sections to the open air. The fourth passage section has a rear muffler mounted thereon. The system further comprises a control unit which controls the control valve of the second passage section in accordance with an operation condition of the engine.
摘要翻译：可控消声器系统被起诉用于通过燃烧燃料产生动力的发动机。该系统包括从发动机延伸以使发动机的排气流过其中的第一通道部分。第一通道部分安装有催化转化器。该系统还包括双通道部分，其包括与第一通道部分的一端分开延伸的第二和第三通道部分。第二通道具有用于控制流过其中的废气的流量的控制阀。该系统还包括从第二和第三通道部分的相应端部延伸到露天空间的第四通道部分。第四通道部分具有安装在其上的后消音器。该系统还包括控制单元，该控制单元根据发动机的运行状况控制第二通道部分的控制阀。

5. 发明授权

US5806899A Flexible connection tube for automotive exhaust system 失效
标题翻译：用于汽车排气系统的柔性连接管
公开(公告)号：US5806899A
公开(公告)日：1998-09-15
申请号：US731736
申请日：1996-10-18
申请人： Tanomo Norikawa , Hiroyuki Aihara
发明人： Tanomo Norikawa , Hiroyuki Aihara
IPC分类号： F01N13/18 , F16L27/108 , F16L27/11 , F16L51/02 , F16L27/12
CPC分类号： F01N13/1816 , F16L27/1085 , F16L27/11
摘要： A flexible connection tube for an automotive exhaust system comprises a flexible metal bellows adapted to be connected between a run of exhaust piping for absorbing expansion or contraction of the exhaust piping, and an outer knitted metal-wire braid covering the outer periphery of the bellows for protecting the bellows from damage and for preventing the bellows from stretching to its full length. The outer knitted metal-wire braid is formed into a substantially cylindrical shape by knitting plural metal-wire bundles (each bundle being produced by a plurality of parallelly bonded metal wires) alternately with each other in spiral directions with respect to the axial direction of the bellows. Apertures are defined by many groups of four adjacent metal-wire bundles knitted alternately with each other. A total opening area of all of the apertures is set within a range of 20% to 50% with respect to an over-all area of a curved surface of the outer knitted metal wire braid, for providing a substantially cylindrical low-density knitted outer metal wire braid.
摘要翻译：一种用于汽车排气系统的柔性连接管包括适于连接在用于吸收排气管道的膨胀或收缩的排气管道的行程之间的柔性金属波纹管和覆盖波纹管的外周的外针织金属丝编织物，用于保护波纹管免受损坏，并防止波纹管伸展到其全长。外编织金属丝编织物通过将多个金属线束（每个由多个平行接合的金属线制成的束）相对于螺旋状的轴线的螺旋方向相互交替地相互螺旋方向相互交替地形成为大致圆筒形状风箱孔径由相互交替编织的四个相邻金属线束的许多组限定。所有孔的总开口面积相对于外针织金属丝编织物的曲面的整体面积设定在20％〜50％的范围内，用于提供大致圆筒形的低密度编织外层金属丝编织物。

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