|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||181/255 ; 181/247 ; 181/249 ; 181/269|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 121 인용 특허 : 21|
The present invention provides a muffler which has an outlet tube with a funnel shaped element having a large diameter end positioned in an expansion chamber and conically tapering to a junction with a cylindrical neck element extending into an inlet end of an outlet tube. An inlet tube is supported by an outer shell which also supports the outlet tube. The inlet tube is attached to the outer shell by a first partition and a first end cap, forming a tuning chamber. The outlet tube is attached to the outer shell by the funnel shaped element and a second e...
[ What is claimed is:] [1.] A muffler comprising:an outer shell having a first end cap and a second end cap;an inlet tube passing through and supported by said first end cap; andan outlet tube having a funnel shaped element positioned within said outer shell and facing an end of said inlet tube, said outlet tube passing through and supported by said second end cap, said funnel shaped element having an open large diameter end having a cross sectional area larger than a cross sectional area of said inlet tube.