| 摘要 |
PROBLEM TO BE SOLVED: To provide an engine blower capable of eliminating the labor for engine design, and capable of reducing noise. SOLUTION: This engine blower has a blower 3 having a fan stored in a volute case 31, and an engine 4 driving the fan and having a volute 43 for generating cooling air for self-cooling. The fan is installed on an output shaft of this engine 4 without installing a cooling fan for generating the cooling air. A sending-out port for sending out a part of force-fed air generated by the fan to the engine 4 side, is arranged in the volute case 31. COPYRIGHT: (C)2008,JPO&INPIT
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