| 摘要 |
PROBLEM TO BE SOLVED: To solve problems such as having difficulties in machining, assembling, and disassembling and having a low recycling rate in a rotary compressor having rotary members of a shaft and a compression mechanism part made of different types of metals respectively. SOLUTION: The shaft 1 receiving a power from the outside and an aluminum alloy rotor 2 are integrally formed, a plurality of vanes 4 installed in a plurality of vane grooves in the rotor 2, a cylinder 3, a front side plate 5, and a rear side plate 6 are provided, and the material of the shaft 1 is set to the aluminum alloy.
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