REFRIGERATION/HEAT PUMP SYSTEM HAVING TWO-STAGE COMPRESSION AND MULTIPLE AIR SUPLEMENTATIONS, CONTROL METHOD THEREFOR AND AIR CONDITIONER - GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI

Title:

REFRIGERATION/HEAT PUMP SYSTEM HAVING TWO-STAGE COMPRESSION AND MULTIPLE AIR SUPLEMENTATIONS, CONTROL METHOD THEREFOR AND AIR CONDITIONER

Document Type and Number:

WIPO Patent Application WO/2021/004304

Kind Code:

A1

Abstract:

A refrigeration/heat pump system having two-stage compression and multiple air supplementations, a control method therefor and an air conditioner, the refrigeration heat pump system comprising: a high pressure stage compression part (100) and a low pressure stage compression part (200), a first air supplementing inlet (101) is provided between the high pressure stage compression part (100) and the low pressure stage compression part (200), and a second air supplementing inlet (201) is also provided in the low pressure stage compression part (200). The system further comprises a first air supplementing assembly (3) and a second air supplementing assembly (4), the first air supplementing assembly (3) being in communication with the first air supplementing inlet (101) so as to supplement air from the first air supplementing inlet (101), and the second air supplementing assembly (4) being in communication with the second air supplementing inlet (201) so as to supplement air from the second air supplementing inlet (201).

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Inventors:

HUANG HUI (CN)
HU YUSHENG (CN)
WEI HUIJUN (CN)
XU JIA (CN)
YANG OUXIANG (CN)
YU BING (CN)
ZHAO HAIHONG (CN)

Application Number:

PCT/CN2020/098488

Publication Date:

January 14, 2021

Filing Date:

June 28, 2020

Export Citation:

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Assignee:

GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI (CN)
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)

International Classes:

F24F5/00; F25B30/02; F25B41/325; F25B49/02

Foreign References:

CN105444476A	2016-03-30
CN105444476A	2016-03-30
CN207350984U	2018-05-11
CN110332635A	2019-10-15
CN104792050A	2015-07-22
CN108224774A	2018-06-29
CN208238288U	2018-12-14
CN101936600A	2011-01-05

Attorney, Agent or Firm:

CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)

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