An SCR catalyst (41) is disclosed. The SCR catalyst (41) may comprise a first end face (104), a second end face (106), and a plurality of channels (108). Each of the plurality of channels (108) may extend from the first end face (104) to the second end fac...

The present invention relates to an engine (1) comprising at least four cylinders (#1,#2,#3,#4), an exhaust manifold (2) mounted to a cylinder head of the engine (1), and at least four exhaust manifold branches (B1,B2,B3,B4) included in the exhaust manifol...

Method and apparatus for creating and maintaining dynamic group addresses for facilitating Push-to-Talk over Cellular (PoC) group communication sessions among mobile stations (302) in a communications network are disclosed. In one embodiment the method com...

To enable a smooth flow of an exhaust gas by solving a drawback that the flow of an exhaust gas is impeded when an exhaust valve is arranged in en exhaust passage such as an exhaust pipe. In an exhaust control device of a motorcycle which includes an exhau...

The invention relates to an exhaust system for a multi-cylinder engine (1) having a plurality of exhaust pipes (16a-d) with one end connectable to exhaust openings of the multi-cylinder engine (1), and other ends of the exhaust pipes (16a-d) connected to a...

In an exhaust manifold (2) of a four-cylinder engine four cylinders of which line up in order of cylinder (#1), cylinder (#2), cylinder (#3) and cylinder (#4), temperature rise performance of a manifold catalyst (3) improves by shortening a total length of...

The present invention provides a tubular member construction (1) capable of preventing the end portion (7) of a flexible pipe (1) formed of a band member (3) from coming loose without costing. The flexible pipe (1) is formed by winding a metallic tubular m...