To reduce noise of an engine.SOLUTION: A refrigerator unit 15 comprises: a casing 30; a compressor 41 arranged in the casing 30, and for compressing a refrigerant; a driving source 50 arranged in the casing 30, and for driving the compressor 41; a partition wall 62 for partitioning a space in the casing 30 into a driving source housing part S22 in which the driving source 50 is housed, and a compressor housing part S23 in which the compressor 41 is housed; an accumulator 46 arranged in the compressor housing part S23, and for supplying the refrigerant to the compressor 41; a connecting pipe 49 for connecting the compressor 41 and the accumulator 46 in the compressor housing part S23; and a sound absorbing material 74 provided so as to cover an outer peripheral surface of at least one of the accumulator 46 and the connecting pipe 49. An outlet opening part 39B for allowing communication between the compressor housing part S23 and the outside is formed in the casing 30, and the driving source housing part S22 and the compressor housing part S23 communicate with each other.SELECTED DRAWING: Figure 2
【課題】エンジンの騒音を低減する。【解決手段】冷凍機ユニット15は、ケーシング30と、ケーシング30内に配置されて冷媒を圧縮する圧縮機41と、ケーシング30の内部に配置されて圧縮機41を駆動する駆動源50と、ケーシング30内の空間を、駆動源50が収容される駆動源収容部S22と圧縮機41が収容される圧縮機収容部S23とに区画する区画壁62と、圧縮機収容部S23内に配置され、冷媒を圧縮機41に供給するアキュムレータ46と、圧縮機収容部S23内で圧縮機41とアキュムレータ46とを接続する接続管49と、アキュムレータ46及び接続管49の少なくとも一方の外周面を覆うように設けられた吸音材74と、を備え、ケーシング30には、圧縮機収容部S23と外部とを連通させる出口開口部39Bが形成され、駆動源収容部S22と圧縮機収容部S23とは連通している。【選択図】図2
REFRIGERATOR UNIT AND COLD INSULATION VEHICLE
冷凍機ユニット及び保冷用車両
2020-08-20
Patent
Electronic Resource
Japanese
IPC: | F24F Klimatisierung , AIR-CONDITIONING / 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 / F25D REFRIGERATORS , Kühlschränke |
Cold storage type refrigerating unit for refrigerator car
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