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REFRIGERATING SYSTEM WITH PARALLEL STAGED ECONOMIZER CIRCUITS USING MULTISTAGE COMPRESSION
REFRIGERATING SYSTEM WITH PARALLEL STAGED ECONOMIZER CIRCUITS USING MULTISTAGE COMPRESSION
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机译:采用多级压缩的并联分级节能电路制冷系统
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摘要
A refrigeration system (20A) comprises an evaporator (27), a two-stage compressor (32) for compressing a refrigerant, a second compressor (34) for compressing the refrigerant, a heat rejecting heat exchanger (24) for cooling the refrigerant, a first economizer circuit (25A), and a second economizer circuit (25B). The first economizer circuit (25A) is configured to inject refrigerant into an interstage port (48) of the two-stage compressor (32). The second economizer circuit (25B) is connected to the second compressor (34).
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