| 摘要 |
An engine generator has an engine (2), a generator (3) driven by the engine, a muffler (4) and an engine cover (1) protecting the engine, generator and muffler. The engine cover (1) has a double-wall structure of an outer wall (31) protecting the engine generator, an inner wall (32) forming a space (34) for containing the engine (2) and forming a cooling-air passage through which the engine and the muffler are cooled, and a hollow inner space (33) formed between the outer (31) and the inner (32) walls. <IMAGE>
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