公开(公告)号：US12066225B2

公开(公告)日：2024-08-20

申请号：US17066784

申请日：2020-10-09

申请人： Gree Electric Appliances, Inc. of Zhuhai

发明人： Yuhai Su ,  Jianguo Xiong ,  Shiqiang Zhang ,  Huachao Jiao ,  Lianfa Wu ,  Han Gao

IPC分类号： F25B41/31 ,  F25B49/02 ,  F24F11/30 ,  F24F110/10

CPC分类号： F25B41/31 ,  F25B49/02 ,  F24F11/30 ,  F24F2110/10 ,  F25B2600/2513

摘要： Disclosed are a method and device for controlling pressure of units with height drop, and an air conditioner device. The method includes: monitoring an operating mode of the unit; obtaining an operating parameter corresponding to the operating mode according to the operating mode; and adjusting an opening degree of an electronic expansion valve according to the operating parameter.

公开(公告)号：US11619408B2

公开(公告)日：2023-04-04

申请号：US16979588

申请日：2018-12-14

申请人： Gree Electric Appliances, Inc. of Zhuhai

发明人： Shiqiang Zhang ,  Huachao Jiao ,  Jianguo Xiong ,  Lianfa Wu

IPC分类号： F24F11/30 ,  F24F11/65 ,  F24F140/60 ,  F24F140/50 ,  F24F11/88 ,  F24F11/54

摘要： The present disclosure relates to a method and device of combining outdoor units and rotating operation of outdoor units, and MSAC system, and relates to the field of unit technology. The method includes: determining a plurality of combination manners of the outdoor units, according to a capacity of an indoor unit currently turned on and a capacity of each of the outdoor units; sequencing the plurality of combination manners in priority, according to priority strategies; and sequentially rotating the outdoor units to operate, based on the sequenced combination manners.