REFRIGERATION CYCLE DEVICE

PROBLEM TO BE SOLVED: To provide a refrigeration cycle which can properly adjust the heat exchange efficiency of an outdoor heat exchanger at both a heating operation and a cooling operation.SOLUTION: An outdoor heat exchanger 14 comprises a core part 41 which is constituted by laminating a pluralit...

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1. Verfasser: KAWAKUBO MASAAKI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a refrigeration cycle which can properly adjust the heat exchange efficiency of an outdoor heat exchanger at both a heating operation and a cooling operation.SOLUTION: An outdoor heat exchanger 14 comprises a core part 41 which is constituted by laminating a plurality of tubes 44. The core part 41 has a first core part 411, a second core part 412 and a third core part 413 which are constituted of tube groups composed of a part of a plurality of the tubes 44, a flow direction of a refrigerant flowing in the second core part 412 is inverted at the heating operation and the cooling operation, and flow directions of the refrigerants flowing in the first core part 411 and the third core part 413 become the same at the heating operation and the cooling operation.SELECTED DRAWING: Figure 2 【課題】暖房運転時および冷房運転時の双方における室外熱交換器の熱交換効率を適切に調整できる冷凍サイクル装置を提供する。【解決手段】室外熱交換器14は、複数のチューブ44を積層して構成されたコア部41を備え、コア部41は、複数のチューブ44のうち一部のチューブ群でそれぞれ構成される第1コア部411、第2コア部412および第3コア部413を有し、第2コア部412を流れる冷媒の流れ方向が、暖房運転時と冷房運転時とで逆方向になっており、第1コア部411および第3コア部413のそれぞれを流れる冷媒の流れ方向は、暖房運転時および冷房運転時において同一方向になっている。【選択図】図2