The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2019
Filed:
Oct. 17, 2016
Gd Midea Air-conditioning Equipment Co., Ltd., Foshan, Guangdong, CN;
GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD., Foshan, CN;
Abstract
An air conditioning system and a method for controlling the same are provided. The air conditioning system includes an enhanced vapor injection compressor, first and second direction switching assemblies, first and second heat exchangers and a flash evaporator. The enhanced vapor injection compressor has a gaseous refrigerant discharge port, a gaseous refrigerant supplement port, first and second gaseous refrigerant suction ports, and a gaseous refrigerant return port. Pressure in a sliding vane chamber of a gaseous refrigerant cylinder corresponding to the second gaseous refrigerant suction port is equal to a discharge pressure at the gaseous refrigerant discharge port. A first pipe port of the first direction switching assembly is connected with the second gaseous refrigerant suction port, a second pipe port thereof is connected with the gaseous refrigerant discharge port and a third pipe port thereof is connected with the liquid accumulator, and the first pipe port is communicated with one of the second and third pipe ports.