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특허 상세정보

Mufflers for use with engine retarders; and methods

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01N-001/24   
미국특허분류(USC) 181/256; 181/272
출원번호 US-0571342 (2000-05-16)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Merchant & Gould P.C.
인용정보 피인용 횟수 : 10  인용 특허 : 49

A muffler is described for muffling both positive power and compression brake type engine retarders. The muffler includes an outer shell defining an internal volume. A first, inner, perforated wall is spaced from the outer shell and defines a first, annular, volume therebetween. A first volume of packing material is positioned within the annular volume. An inlet tube is oriented within the internal volume. In certain embodiments, the inner perforated wall circumscribes at least a portion of the inlet tube, and extends a distance of at least 25% of the ax...


1. A method for muffling noise from a system including a truck during operation of a compression-type engine retarder using no more than one muffler; the truck having an engine rated for operation at a rated rpm at a selected rpm value of 1800 or above, for a power of at least 500 hp; the muffler having an outer shell with an outside dimension of no greater than 11 inches and an overall length of no greater than 60 inches; the method comprising a step of:(a) muffling engine noise, during operation of the compression-type engine retarder, at an octave ban...

이 특허에 인용된 특허 (49)

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