| 摘要 |
<p>A compact engine-operated generator (1) having a high soundproof effect in which a generator (35) can be cooled efficiently as well as an engine (30) and a muffler (32). The engine-operated generator (1) has an engine (30) and a generator (35) driven by the engine (30) arranged in a row with a common rotary axis and accommodated in a soundproof case (2). The generator (35), the engine (30) and a muffler (32) are arranged in order within the soundproof case (2) and covered by a duct (7, 8, 16) to be isolated from other instruments in the soundproof case (2), the duct (7, 8, 16) has an end on the side of the generator (35) opening to an interior of the soundproof case (2), and a cooling fan (40) is driven by the engine (30) so that air in the soundproof case (2) is inhaled through an opening (4a, 4b) of the duct (7, 8, 16) on the side of the generator (35) into the duct (7, 8, 16), cools the generator (35), the engine (30) and the muffler (32) in order and then is discharged through an opening (8a) of the duct (7, 8, 16) on the side of the muffler (32) to the exterior.</p> |
