| 摘要 |
PROBLEM TO BE SOLVED: To avoid wear of blades of an impeller and a casing and reduce labor and time for manufacturing.SOLUTION: A compressor comprises an impeller 8 rotatably provided in a housing part 24 of a compression part casing 4. The impeller 8 comprises blades 30 extending toward an inner peripheral surface 24c of the housing part 24. Shroud parts 31b made of resin layers 31a are formed at outer edges 30c of the blades 30 opposed to the inner peripheral surface 24c of the housing part 24. |
