Muffler cutter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9810117
SERIAL NO

14784332

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A muffler cutter is fitted to a tailpipe of a vehicular exhaust system, the muffler cutter includes an exhaust pipe, a plurality of through-holes formed in a side wall of the exhaust pipe, a tubular heat shield plate provided around the exhaust pipe coaxially with the exhaust pipe, and a sound-absorbing heat insulator provided between the exhaust pipe and the tubular heat shield plate. The sound-absorbing heat insulator is partially provided between the exhaust pipe and the tubular heat shield plate so as to have a curved shape. A closed space having a curved shape is formed between the exhaust pipe and the tubular heat shield plate in an area in which the sound-absorbing heat insulator is not provided. The distance between the exhaust pipe and the tubular heat shield plate in an area in which the closed space is formed is 1 to 50 mm.

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First Claim

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Patent Owner(s)

  • NICHIAS CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Isami Tokyo, JP 13 31
Fujita, Yoshifumi Tokyo, JP 34 132
Hiraoka, Akinao Tokyo, JP 6 21

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