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11. 发明公开

KR1020000055434A 내연기관용 소음기 失效
标题翻译：内燃机发动机
公开(公告)号：KR1020000055434A
公开(公告)日：2000-09-05
申请号：KR1019990004053
申请日：1999-02-05
申请人： 이옥노
发明人： 이옥노
IPC分类号： F01N1/08
CPC分类号： F01N1/088 , F01N3/02 , F01N2230/08 , F01N2240/16 , Y02T10/20
摘要： PURPOSE: A muffler for an internal combustion engine is provided to make excellent the attenuation of exhaust noise and to avoid the degradation of output by making smooth the flow of exhaust gas with the generation of a swirl. CONSTITUTION: Exhaust gas flowing into an inlet pipe(21) flows into a diffusion cylinder(22). Thereafter, a portion of the exhaust gas is discharged via a diffusion hole(24) and swirls around the diffusion cylinder by a guide piece. The exhaust gas is expanded after moving to the outer wall of a casing body(11), the outer part of an expansion chamber(P). The remaining exhaust gas is discharged via a slit formed between overlapped swirl pieces in a conical swirl member(25). The exhaust gas moves to the central portion of the expansion chamber to be expanded and swirls with the exhaust gas discharged via the diffusion hole by the centrifugal force. Herein, friction heat is generated while exhaust noise is attenuated.
摘要翻译：目的：提供一种内燃机消声器，使废气噪音的衰减优异，避免产生涡流而使废气流动顺畅，从而避免输出的恶化。构成：流入入口管（21）的废气流入扩散筒（22）。此后，排气的一部分经由扩散孔（24）排出，并通过引导件在扩散筒周围旋转。在移动到壳体（11）的外壁（膨胀室的外部）（P）之后，废气膨胀。剩余废气通过形成在锥形涡流构件（25）中的重叠涡流件之间的狭缝排出。排气移动到膨胀室的中心部分以膨胀，并且通过离心力通过扩散孔排出的废气涡流。这里，在排气噪声衰减的同时产生摩擦热。

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