|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||181/282 ; 181/228 ; 181/249 ; 181/252|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 29 인용 특허 : 4|
The invention comprises an exhaust system for a motorcycle engine which has an outer imperforate casing having a substantially elliptical cross-section and an inner, coaxial, perforate sleeve also of elliptical cross-section which is of lesser dimensions to provide an annulus within the casing which is packed with a gas permeable material, high temperature resistant material such as fiberglass. The muffler has a single piece inlet end cap and a single piece outlet end cap. Each end cap has an elliptical flange over which is received an end of the outer c...
An exhaust system for a motorcycle engine which comprises: a. an outer tubular imperforate casing having a substantially elliptical cross section throughout its length with a ratio of minor to major axes from 0.70 to 0.85; b. an inner tubular, perforate sleeve also having a substantially elliptical cross section throughout its length with substantially the same ratio of minor to major axes and concentrically received within said outer casing to form an elliptical annulus therebetween; c. gas permeable, high temperature resistance inert packing disposed ...