公开(公告)号：US4616732A

公开(公告)日：1986-10-14

申请号：US774535

申请日：1985-09-10

申请人： Luigi Carboni

发明人： Luigi Carboni

IPC分类号： F01N1/04 ,  F01N1/00 ,  F01N1/08 ,  F01N1/10 ,  F01N1/14 ,  F01N1/18 ,  F01N1/22 ,  F01N3/00 ,  F01N3/28 ,  F01N13/02 ,  F01N13/08 ,  F01N13/14 ,  F01N7/02

CPC分类号： F01N13/14 ,  F01N1/003 ,  F01N1/08 ,  F01N1/10 ,  F01N1/14 ,  F01N1/18 ,  F01N1/22 ,  F01N13/082 ,  F01N3/005 ,  F01N3/2885 ,  F01N2210/06 ,  F01N2230/04 ,  Y02T10/20

摘要： A silencing system for exhaust gases from internal combustion engines, comprising an intermediate silencing device for connection to the exhaust manifold of an internal combustion engine, and a final silencing device series connected to the intermediate silencing device, in which the final silencing device comprises, within an envelope, a number of spaced annular members, intersected by radial partition walls, forming series of chambers of different size, which occupy the peripheral portion of the envelope and open towards the axial portion of this latter, leaving this axial portion substantially free for passage of the flow of exhaust gases, and an idle fan is provided for acting onto the passage for the exhaust gases and onto a passage for additional air, which passages join downstream the fan into an exhaust nosepiece. Some annular members are made of a catalytically active material in order to exert a purifying action on the exhaust gases.

摘要翻译： 一种用于来自内燃机的废气的消音系统，包括用于连接到内燃机的排气歧管的中间消音装置和连接到中间消音装置的最终消音装置系列，其中最后的消音装置包括： 封套，多个间隔的环形构件，与径向分隔壁相交，形成一系列不同尺寸的室，占据封套的周边部分并朝向该封套的轴向部分敞开，使该轴向部分基本上自由地通过 排气的流动，并且设置空转风扇作用于用于废气的通道和用于附加空气的通道，该通道将风扇下游连接到排气喷嘴中。 一些环形构件由催化活性材料制成，以便对废气施加净化作用。

公开(公告)号：US06705429B2

公开(公告)日：2004-03-16

申请号：US10351434

申请日：2003-01-27

申请人： Yoichi Kaku ,  Kai Takeuchi ,  Hidefumi Mihara ,  Tsuyoshi Murakami

发明人： Yoichi Kaku ,  Kai Takeuchi ,  Hidefumi Mihara ,  Tsuyoshi Murakami

IPC分类号： F01N708

CPC分类号： F01N1/06 ,  F01N1/02 ,  F01N1/089 ,  F01N2210/02 ,  F01N2210/04 ,  F01N2210/06 ,  F01N2450/22 ,  F01N2490/02 ,  F01N2490/06 ,  F01N2490/08

摘要： A muffler comprises a case having opposed ends closed; a partition structure installed in the case to constitute a sound silencing path; inlet and outlet pipes incorporated with the sound silencing path; and a sound shielding wall structure installed in the case to constitute a part of the sound silencing path. The sound shielding wall structure comprises first and second partition plates; a positioning structure that puts the first and second partition plates together to keep a given distance therebetween; a first group of projections defined by the first partition plate and projected toward the second partition plate, each projection of the first group having a first opening formed therethrough; and a second group of projections defined by the second partition plate and projected toward the first partition plate, each projection of the second group having a second opening formed therethrough, the projections of the second group respectively facing the projections of the first group having a given clearance kept therebetween.

摘要翻译： 消声器包括相对端封闭的壳体; 安装在壳体中以构成声音消音路径的分隔结构; 入口和出口管与声音消音路径结合; 以及安装在壳体中以构成声音消音路径的一部分的隔音壁结构。 隔音墙结构包括第一和第二隔板; 定位结构，其将所述第一和第二隔板放置在一起以保持给定距离; 由所述第一隔板限定并朝向所述第二隔板突出的第一组突起，所述第一组的每个突起具有穿过其形成的第一开口; 以及由所述第二隔板限定并朝向所述第一隔板突出的第二组突起，所述第二组的每个突起具有穿过其形成的第二开口，所述第二组的突起分别面向所述第一组的突出部， 间隙保持在其间。

公开(公告)号：US5123502A

公开(公告)日：1992-06-23

申请号：US575415

申请日：1990-08-30

申请人： Ray T. Flugger

发明人： Ray T. Flugger

IPC分类号： F01N1/06 ,  F01N1/08 ,  F01N3/00

CPC分类号： F01N1/083 ,  F01N1/06 ,  F01N1/089 ,  F01N3/00 ,  F01N2210/06 ,  F01N2230/00 ,  F01N2490/08 ,  Y02T10/20

摘要： A compact, sound-attenuating muffler for an internal combustion engine or the like. The muffler has a divergently tapered partition located near the inlet of the muffler for dividing the exhaust gases into two pulse streams with similar sound frequencies to achieve sound attenuation when the streams are converged back together. The diverging partition creates a low-pressure volume or region on the partition's downstream side where unignited fuels may accumulate. The partition is formed with a passageway to provide communication of live fire from the inlet of the muffler to the low-pressure volume for ignition of any unignited fuel. A method of communication of live fire from the inlet of the muffler to the low-pressure volume on the downstream side of the diverging partition in the muffler also is described.

摘要翻译： 用于内燃机等的紧凑的声音衰减消音器。 消声器具有位于消声器入口附近的分散的锥形分隔件，用于将废气分成具有相似声频的两个脉冲流，以在流收敛在一起时实现声音衰减。 分流隔板在分区的下游侧产生低压体积或区域，其中未燃燃料可能积聚。 分隔件形成有通道，以提供从消声器入口到低压容积的活火从任何无燃燃料点火。 还描述了一种从消音器的入口到消音器的发散隔板的下游侧的低压容积的消防通信方法。

公开(公告)号：US20240183294A1

公开(公告)日：2024-06-06

申请号：US18387532

申请日：2023-11-07

申请人： Nam Do BAEK ,  Geun Uk BAEK

发明人： Nam Do BAEK ,  Geun Uk BAEK

IPC分类号： F01N1/08

CPC分类号： F01N1/082 ,  F01N2210/06

摘要： Disclosed is a sound-absorbing silencer having a diffuse reflection structure. The silencer includes a housing including an inlet and an outlet formed in respective ends thereof to allow noise to be introduced thereinto and discharged therefrom and a noise-attenuating unit disposed in the housing to attenuate noise through diffuse reflection and absorption of the noise. The noise-attenuating unit includes a first diffuse reflection pipe disposed in the housing while being spaced apart from the housing, at least one second diffuse reflection pipe accommodated in the first diffuse reflection pipe while being spaced apart from the first diffuse reflection pipe to form a noise-attenuating path therebetween so that noise is diffusely reflected and absorbed while flowing through the noise-attenuating path, and a sound-absorbing member disposed between the first diffuse reflection pipe and the housing and in the second diffuse reflection pipe to absorb noise diffusely reflected in the noise-attenuating path.

公开(公告)号：US20030155175A1

公开(公告)日：2003-08-21

申请号：US10351434

申请日：2003-01-27

申请人： NISSAN MOTOR CO., LTD.

发明人： Yoichi Kaku ,  Kai Takeuchi ,  Hidefumi Mihara ,  Tsuyoshi Murakami

IPC分类号： F01N007/08

CPC分类号： F01N1/06 ,  F01N1/02 ,  F01N1/089 ,  F01N2210/02 ,  F01N2210/04 ,  F01N2210/06 ,  F01N2450/22 ,  F01N2490/02 ,  F01N2490/06 ,  F01N2490/08

摘要： A muffler comprises a case having opposed ends closed; a partition structure installed in the case to constitute a sound silencing path; inlet and outlet pipes incorporated with the sound silencing path; and a sound shielding wall structure installed in the case to constitute a part of the sound silencing path. The sound shielding wall structure comprises first and second partition plates; a positioning structure that puts the first and second partition plates together to keep a given distance therebetween; a first group of projections defined by the first partition plate and projected toward the second partition plate, each projection of the first group having a first opening formed therethrough; and a second group of projections defined by the second partition plate and projected toward the first partition plate, each projection of the second group having a second opening formed therethrough, the projections of the second group respectively facing the projections of the first group having a given clearance kept therebetween.

摘要翻译： 消声器包括相对端封闭的壳体; 安装在壳体中以构成声音消音路径的分隔结构; 入口和出口管与声音消音路径结合; 以及安装在壳体中以构成声音消音路径的一部分的隔音壁结构。 隔音墙结构包括第一和第二隔板; 定位结构，其将所述第一和第二隔板放置在一起以保持给定距离; 由所述第一隔板限定并朝向所述第二隔板突出的第一组突起，所述第一组的每个突起具有穿过其形成的第一开口; 以及由所述第二隔板限定并朝向所述第一隔板突出的第二组突起，所述第二组的每个突起具有穿过其形成的第二开口，所述第二组的突起分别面向所述第一组的突出部， 间隙保持在其间。

公开(公告)号：US06941751B2

公开(公告)日：2005-09-13

申请号：US10725961

申请日：2003-12-02

申请人： Kazuo Yamamoto ,  Kihoko Kaita ,  Kazuhiro Yasuda ,  Kiyoshi Kidashi

发明人： Kazuo Yamamoto ,  Kihoko Kaita ,  Kazuhiro Yasuda ,  Kiyoshi Kidashi

IPC分类号： F01N1/08 ,  F01N1/16 ,  F01N3/06 ,  F01N13/08 ,  F01N13/18 ,  F01N7/00

CPC分类号： F01N1/168 ,  F01N1/083 ,  F01N1/084 ,  F01N1/085 ,  F01N1/089 ,  F01N1/16 ,  F01N1/166 ,  F01N3/06 ,  F01N2210/04 ,  F01N2210/06 ,  F01N2410/10

摘要： An exhaust muffler system for use on a motorcycle or four-wheeled vehicle provides for operation in either of two modes, a regular configuration that provides a high degree of noise reduction, or a racing specification that provides for a freer-flowing exhaust. Without changing the main body of the muffler, an operator can choose between a quieter, public road setting or a louder, high performance setting. The muffler is provided with two interchangeable spark arresters, and a main body having multiple expansion chambers therein, defined by bulkheads. When a regular spark arrester is installed, exhaust gas passes through one bulkhead three times, greatly reducing the noise produced. With the spark arrester removed, the exhaust gas passes straight through to the open air, enhancing performance. A seal is provided between the bulkheads and the spark arrester, which provides for extension or retraction in the lengthwise direction of the tail pipe.

摘要翻译： 在摩托车或四轮车上使用的排气消声器系统提供了两种模式中的任一种的操作，提供高度降噪的规则配置，或提供自由排气的赛车规范。 在不改变消音器的主体的情况下，操作人员可以在较安静的公共道路设置之间进行选择，或者选择较大的高性能设置。 消声器设置有两个可互换的火花塞，并且其中具有由舱壁限定的多个膨胀室的主体。 当安装常规避雷器时，排气通过一个舱壁三次，大大降低了产生的噪音。 除去火花塞后，废气直接通入露天，提高性能。 在隔板和火花塞之间设置密封件，其提供在尾管长度方向上的伸缩。

公开(公告)号：US5044464A

公开(公告)日：1991-09-03

申请号：US468590

申请日：1990-01-23

申请人： Cary D. Bremigan

发明人： Cary D. Bremigan

IPC分类号： F01N1/00 ,  F01N1/06 ,  F01N1/08 ,  F01N1/14 ,  F01N1/22 ,  F01N13/14

CPC分类号： F01N13/14 ,  F01N1/00 ,  F01N1/065 ,  F01N1/08 ,  F01N1/14 ,  F01N1/22 ,  F01N1/06 ,  F01N2210/06 ,  G10K2210/32272

摘要： Active acoustic attenuation apparatus is provided for cancellation of noise from an exhaust pipe (12). A chamber (50) has an input (70) receiving exhaust from the exhaust pipe and directing the exhaust along a flowpath (76) to a chamber output (74). Speakers (88, 90) are transversely spaced and offset from the flowpath and introduce sound into the chamber at a space (56) having a transverse area at least as large as each speaker, to minimize acoustic loading of the speakers and to protect the speakers from the heat of hot exhaust for automotive applications, including electronic mufflers.

摘要翻译： 主动声衰减装置用于消除排气管（12）的噪音。 腔室（50）具有从排气管接收排气并将排气沿着流路（76）引导到室输出（74）的输入端（70）。 扬声器（88,90）横向间隔开并偏离流路，并且在具有至少与每个扬声器一样大的横向面积的空间（56）处将声音引入腔室中，以最小化扬声器的声学负载并保护扬声器 从用于汽车应用的热排气热，包括电子消声器。

公开(公告)号：US20040206073A1

公开(公告)日：2004-10-21

申请号：US10725961

申请日：2003-12-02

申请人： Honda Motor Co., Ltd.

发明人： Kazuo Yamamoto ,  Kihoko Kaita ,  Kazuhiro Yasuda ,  Kiyoshi Kidachi

IPC分类号： F01N003/00

CPC分类号： F01N1/168 ,  F01N1/083 ,  F01N1/084 ,  F01N1/085 ,  F01N1/089 ,  F01N1/16 ,  F01N1/166 ,  F01N3/06 ,  F01N2210/04 ,  F01N2210/06 ,  F01N2410/10

摘要： An exhaust muffler system for use on a motorcycle or four-wheeled vehicle provides for operation in either of two modes, a regular configuration that provides a high degree of noise reduction, or a racing specification that provides for a freer-flowing exhaust. Without changing the main body of the muffler, an operator can choose between a quieter, public road setting or a louder, high performance setting. The muffler is provided with two interchangeable spark arresters, and a main body having multiple expansion chambers therein, defined by bulkheads. When a regular spark arrester is installed, exhaust gas passes through one bulkhead three times, greatly reducing the noise produced. With the spark arrester removed, the exhaust gas passes straight through to the open air, enhancing performance. A seal is provided between the bulkheads and the spark arrester, which provides for extension or retraction in the lengthwise direction of the tail pipe.

摘要翻译： 在摩托车或四轮车上使用的排气消声器系统提供了两种模式中的任一种的操作，提供高度降噪的规则配置，或提供自由排气的赛车规范。 在不改变消音器的主体的情况下，操作人员可以在较安静的公共道路设置之间进行选择，或者选择较大的高性能设置。 消声器设置有两个可互换的火花塞，并且其中具有由舱壁限定的多个膨胀室的主体。 当安装常规避雷器时，排气通过一个舱壁三次，大大降低了产生的噪音。 除去火花塞后，废气直接通入露天，提高性能。 在隔板和火花塞之间设置密封件，其提供在尾管长度方向上的伸缩。

公开(公告)号：US4719988A

公开(公告)日：1988-01-19

申请号：US879306

申请日：1986-06-27

申请人： Sosuke Kinouchi ,  Syuziro Shigemoto ,  Wataru Kanazawa

发明人： Sosuke Kinouchi ,  Syuziro Shigemoto ,  Wataru Kanazawa

IPC分类号： F01N1/02 ,  F01N1/00 ,  F01N1/06 ,  F01N1/08 ,  F01N13/00 ,  F01N99/00

CPC分类号： F01N13/1855 ,  F01N1/003 ,  F01N1/06 ,  F01N1/084 ,  F01N13/18 ,  F01N2210/06 ,  F01N2450/24 ,  F01N2490/06 ,  F01N2490/16

摘要： The muffler comprises a main sound arresting chamber formed in the interior of an outer cylinder of the muffler and a bracket fixedly secured to the outer surface of the outer cylinder for mounting the muffler on a body of a motorcycle. The muffler is provided with an auxiliary sound arresting chamber formed in the interior of the bracket and communicating with the main sound arresting chamber through a connecting passage so as to increase the total volume of the sound arresting chamber, thereby permitting the output of the engine of the motorcycle to be enhanced while the sound arresting effect on the exhaust gas is improved. The main sound arresting chamber may be divided into an upstream side main sound arresting chamber portion and downstream side main sound arresting chamber portions by partition means and the auxiliary sound arresting chamber portion communicates with the upstream main sound arresting chamber portion. The connecting passage may be in the form of a plurality of small diameter holes. The outer cylinder may be provided with plating liquid drain holes communicating with an end of the auxiliary sound arresting chamber so as to expedite drain of the plating liquid during the plating process, the plating liquid drain holes being blocked by a baffle member incorporated in the interior of the outer cylinder.

摘要翻译： 消声器包括形成在消音器的外筒内部的主声阻挡室和固定在外筒外表面上的支架，用于将消音器安装在摩托车的车体上。 消声器具有形成在支架内部的辅助隔音室，并通过连接通道与主声阻挡室连通，从而增大了隔声室的总体积，从而允许发动机的输出 摩托车在对排气的阻音效果提高的同时被增强。 主声音抑制室可以通过分隔装置分成上游侧主声阻挡部分和下游侧主声音拦截室部分，辅助声音拦截室部分与上游主声音拦截室部分连通。 连接通道可以是多个小直径孔的形式。 外筒可以设置有与辅助隔音室的端部连通的电镀液排放孔，以便在电镀过程期间加速电镀液的排放，电镀液排放孔被并入内部的挡板构件阻挡 的外筒。