An internal combustion engine (10) includes a muffler (26) configured to reduce exhaust gas noise, a choke valve (22) configured to control a flow of air in a carburettor (14), a thermally responsive element (102) coupled with the choke valve and configure...

An exhaust pipe is connected to an engine (211) with a muffler (34) attached to an exhaust pipe (39). An exhaust valve (12) is provided for controlling the flow rate of an exhaust gas on the side of the exhaust pipe (39). A recessed portion is directed tow...

A device (a silencer) for silencing a flow, comprising at least one acoustic chamber through-flowed by gas, e.g., exhaust gas, at least one inlet pipe and at least one pipe or passage interconnecting two chambers or a chamber and an exterior environment or...