IMPELLER AND AIR BLOWER INCLUDING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide an impeller enabling stable operation for a long period even under an environment where corrosive gas is fed.SOLUTION: An impeller attached to the drive shaft of an air blower includes: a body 10 in which a main plate 11 attached to the drive shaft and a plurality of blades 12 erected on the main plate 11 are integrally molded with plastic; and a side plate 20 that is molded with plastic fixed to the open end part of the blade 12. The body 10 has a plurality of locking pins 16 projecting from the open end part of the blade 12 so as to be parallel with the shaft cent of the body 10. The side plate 20 has a locking hole 21 into which the locking pin 16 of the blade 12 is inserted and which is fixed onto an anti-insertion side. The thickness of a portion in which a locking hole 21 is provided becomes thicker toward a central portion.