| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a blower which easily changes a blowing direction with the usage of one kind of a fan or a bellmouth, and also to provide a refrigerating unit using the same. <P>SOLUTION: The blower is provided with: a mounting frame 14; a motor 16 mounted on the mounting frame through a motor bracket 15; a propeller fan 17 detachably mounted on a motor rotating shaft 16B; and the bellmouth 18 forming prescribed protruding amounts A1, B1, A2 and B2 with respect to the propeller fan 17 and detachably mounted on the mounting frame. The first fan protruding amounts A1 and B1 when the propeller fan 17 and the bellmouth 18 are attached to the motor rotating shaft 16B and the mounting frame 14, are almost the same as the second fan protruding amounts A2 and B2 when the propeller fan 17 and the bellmouth 18 are reversed and attached to the motor rotating shaft 16B and the mounting frame 14. <P>COPYRIGHT: (C)2008,JPO&INPIT |
