The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 1980
Filed:
Aug. 25, 1977
Eizo Suyama, Mitaka, JP;
Nihon Radiator Co., Ltd., Tokyo, JP;
Abstract
A muffler comprising: a cylindrical body closed at opposite ends with end members; an exhaust gas in-flow tube penetrating and secured to one of the end members; an exhaust gas out-flow tube penetrating and secured to the other end member; and at least one perforated partition wall member for supporting both the tubes and dividing the interior of the body; the exhaust gas in-flow tube at least having an end portion of an inner diameter smaller than the inner diameter of an exhaust tube connected to the exhaust gas in-flow tube, the end portion being closed with a porous body and communicating with one of the sections of the body interior through the porous body; the exhaust gas out-flow tube being open at opposite ends, one of the ends communicating with the other section; and at least one of the tubes being formed in the peripheral wall with a shunting hole.