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:
Apr. 12, 2022
Filed:
Jun. 03, 2019
Hefei Midea Heating & Ventilating Equipment Co., Ltd., Hefei, CN;
Gd Midea Heating & Ventilating Equipment Co., Ltd., Foshan, CN;
Libo Yan, Hefei, CN;
Guozhong Yang, Hefei, CN;
Mingren Wang, Hefei, CN;
Sanguo Peng, Hefei, CN;
Jinyuan Huang, Hefei, CN;
HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD., Hefei, CN;
GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD., Foshan, CN;
Abstract
A two-pipe enhanced-vapor-injection outdoor unit and a multi-split system are provided. The two-pipe enhanced-vapor-injection outdoor unit includes: an outdoor heat exchanger and a second port; an enhanced-vapor-injection compressor, including a gas discharge port, a gas return port and an injection port; a reversing assembly, including first to fourth ends; a supercooler, including a main heat-exchange flow path and an auxiliary heat-exchange flow path communicated with each other, the main heat-exchange flow path being connected to the second port, the auxiliary heat-exchange flow path being connected to the injection port; and a throttling assembly having a first end connected to an outlet of the main heat-exchange flow path, and a second end connected to an inlet of the outdoor heat exchanger.