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:
May. 07, 2013
Filed:
Sep. 05, 2008
Koji Matsueda, Toyota, JP;
Koji Matsueda, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Abstract
In a exhaust device for an vehicle internal combustion engine, an exhaust pipe () of an engine () branches at a branching point (B) into a downstream-side first branch pipe () and a downstream-side second branch pipe (). A first silencer () is attached to the first branch pipe (), and a second silencer () is attached to the second branch pipe (). The first branch pipe () and the second branch pipe () are different in at least one of bending rigidity and mass so that when the first branch pipe () and the second branch pipe () are vibrated in a specific vibration frequency range, vibrations of the two branch pipes () cancel out each other at the branching point (B).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile