公开(公告)号：US11408618B2

公开(公告)日：2022-08-09

申请号：US16424754

申请日：2019-05-29

申请人： Hitachi-Johnson Controls Air Conditioning, Inc.

发明人： Taku Iwase ,  Tomohiko Sato ,  Yoko Sato ,  Kunihito Kawamura ,  Koutarou Nomura ,  Naoyuki Fushimi ,  Shinji Nakahata

IPC分类号： F24F1/0047 ,  F24F13/30 ,  F24F13/20 ,  F04D29/70

摘要： Provided is an indoor unit of an air-conditioner including: an indoor unit body configured to be provided in a ceiling; a suction port attached to a lower surface of the indoor unit body; a panel including a blow port for blowing conditioned air into a room; and a louver provided at the blow port of the panel to change an air sending direction. The panel includes an outer frame provided outside the blow port and provided with a substantially horizontal flat portion, and a protruding portion provided on the flat portion of the outer frame and protruding vertically downward. A lower end of the protruding portion is positioned vertically above a lower end of the louver. A lower end of an inner flow path wall surface forming a flow path wall surface inside the blow port is positioned vertically below the lower end of the louver.