公开(公告)号：US10267549B2

公开(公告)日：2019-04-23

申请号：US15577370

申请日：2015-05-28

Applicant: Hitachi-Johnson Controls Air Conditioning, Inc.

Inventor： Hiroaki Tsuboe ,  Atsuhiko Yokozeki ,  Masaki Uno ,  Hideyuki Ueda

IPC: F25B1/00 ,  F25B13/00 ,  F25B43/04

Abstract: An air conditioner which includes a compressor, an outdoor heat exchanger, an outdoor expansion valve, and an indoor heat exchanger that have been successively connected by a pipeline, and in which a hydrofluoroolefin-containing refrigerant is to be used, the air conditioner being characterized in that an oxygen adsorption device in which a synthetic zeolite is used as an adsorbent has been disposed somewhere in the pipeline, the synthetic zeolite having a pore diameter which is larger than the size of the oxygen molecule but smaller than the size of the hydrofluoroolefin molecule.