A heating, ventilation and air conditioning system including a two-stage, high speed fluid compressor including a case having a fluid inlet and a compressed fluid outlet and containing a shaft rotatably mounted about a longitudinal axis, a first compression wheel and a second compression wheel mounted back-to-back on the shaft, the first compression wheel forming a first compression stage and the second compression wheel forming a second compression stage, and a motor positioned between the first compression wheel and the second compression wheel and arranged to rotate the shaft. The case includes a through inner housing inside which is arranged at least the motor, the inner housing having an internal wall arranged to form, with the motor, channels between at least the inner wall and the motor, the channels allowing the motor to be cooled on contact with fluid.
流体コンプレッサーを備える加熱、換気及び空気調節システム
2021-09-15
Patent
Elektronische Ressource
Japanisch
IPC: | F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES |