| 摘要 |
Compressor performance is affected by the size of an economizer or by-pass port area. To achieve variation in size, an insert is inserted into an economizer and/or unloader flow passage to provide a desired port area. The insert may be selected from a number of available insert sizes having different sized openings. In this way, a compressor designer can minimize machining time by keeping same flow passage geometry for different compressor sizes and applications.
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