Patent ID: 8205715
Filing Date: 2012-06-26
Classification: F01N

Abstract:
1. A muffler combination comprising: a first pipe unit including a first cylindrical shell having a first chamber formed therein, and including an entrance and an exit, and including an inlet tube connected to said entrance, and including an outlet tube connected to said exit, and including a first housing engaged in said first chamber of said first cylindrical shell, said first housing including a first side having three openings formed therein and including a second side having two orifices formed therein, and a second pipe unit including a second cylindrical shell having a second chamber formed therein, and including an entrance and an exit, and including an inlet tube connected to said entrance, and including an outlet tube connected to said exit, and including a second housing engaged in said second chamber of said second cylindrical shell, said second housing including a first side having three openings formed therein and including a second side having two orifices formed therein, and said first cylindrical shell and said second cylindrical shell being disposed parallel to each other, and said entrance and said inlet tube of said first cylindrical shell being located closer to said exit and said outlet tube of said second cylindrical shell, and said entrance and said inlet tube of said second cylindrical shell being located closer to said exit and said outlet tube of said first cylindrical shell.