发明名称 Muffler and engine system
摘要 A muffler for exhaust gases of a combustion engine includes walls forming a chamber through which the exhaust gases pass, a first inlet in the walls of the chamber configured to receive the exhaust gases from an exhaust duct of the engine, a first outlet in the walls of the chamber through which the exhaust gases exit the chamber, and a conduit having a second inlet and a second outlet, wherein a substantial length of the conduit is positioned within the chamber.
申请公布号 US9605572(B2) 申请公布日期 2017.03.28
申请号 US201313919909 申请日期 2013.06.17
申请人 Briggs & Stratton Corporation 发明人 Raasch Jason J.;Gracyalny Gary J.
分类号 F01N3/00;F01N3/02;F01N3/10;F01N3/20;F01N13/08;F01N1/14;F01N1/08;F01N3/05 主分类号 F01N3/00
代理机构 Foley & Lardner LLP 代理人 Foley & Lardner LLP
主权项 1. A muffler and engine system, comprising: an engine including an exhaust duct through which exhaust gases exit into a muffler, the muffler comprising: walls forming a chamber through which the exhaust gases pass;a first inlet in the walls of the chamber coupled to the exhaust duct to receive the exhaust gases from the exhaust duct of the engine;a first outlet in the walls of the chamber through which the exhaust gases exit the chamber; anda conduit having a second inlet for receiving fresh air and a second outlet positioned proximate the first inlet for introducing the fresh air to the exhaust gases and mixing the fresh air and the exhaust gases in the chamber, wherein a substantial length of the conduit is positioned within the chamber, and wherein a portion of the conduit extends from the walls to the second inlet and has a length less than the substantial length of the conduit positioned within the chamber.
地址 Wauwatosa WI US