摘要 |
<p>A power tool, especially power saw, having a two-stroke internal combustion engine, which engine is provided with a substantially horizontally arranged cylinder, a cooling air blower, with guide surfaces directed towards the pertaining cylinder and arranged on one side of the cylinder, and a muffler connected to the cylinder outlet, which muffler has an exhaust gas inlet conduit which is in communication with an expansion chamber of the muffler. At least part of the walls of the muffler which are subjected to exhaust gas emanating from the pertaining cylinder chamber are arranged, when viewed in the direction of flow of cooling air, before the cylinder of the motor and ? are adapted to present guide surfaces for a stream of cooling air.</p> |