Following features are required to the compressor for the automobile air-conditioning systems: larger cooling capacity; less power consumption; smaller both in size and weight; quieter when operated. These requirements will become more severe in the future with the shortage of the fossil fuel. Among the positive displacement type compressors, screw compressors seem to satisfy these demands from the automobile manufacturers with their promissing characteristics with an unloader device. Mitsubishi Heavy Industries Co. Ltd. has been studying and developed small screw compressor for automobile air conditioner, some of the theoretical and experimental results of which are presented in the paper. Further advantage of the screw compressor will be obtained with the improvement as follows: Reducing compressor size and weight by high speed operation. Increasing system's efficiency by applying the economyzer system. Developing a rotor profile with smaller internal leakage area. (Wassmann)
Small screw compressors for automobile air-conditioning systems
Kleine Schraubenverdichter fuer Fahrzeugklimaanlagen
1980
8 Seiten, 11 Bilder, 6 Tabellen
Aufsatz (Konferenz)
Englisch
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