Title:
AUTOMATIC AIR EXTRACTION SYSTEM, REFRIGERATING UNIT COMPRISING SYSTEM AND AUTOMATIC AIR EXTRACTION METHOD
Document Type and Number:
WIPO Patent Application WO/2017/063549
Kind Code:
A1
Abstract:
Provided are an automatic air extraction system, a refrigerating unit comprising the system and an automatic air extraction method. The automatic air extraction system comprises a gas-liquid separation device (1), a gas collection tank (2), an ejector (3), an electromagnetic valve device (4), a vacuum pump (5) and also comprises a liquid level control system (6) connected to the gas-liquid separation device (1), the liquid level control system (6) controls the air extraction operation according to the relationship between the liquid level change inside the gas-liquid separation device (1) and the pressure inside the gas collection tank (2). The automatic air extraction system not only improves the automation level of a unit, but also reduces the cost, and improves the reliability of the unit.
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Inventors:
WANG SHENG (CN)
WANG JUAN (CN)
LIU HUA (CN)
ZHANG ZHIPING (CN)
DONG XIAOLIN (CN)
WANG JUAN (CN)
LIU HUA (CN)
ZHANG ZHIPING (CN)
DONG XIAOLIN (CN)
Application Number:
PCT/CN2016/101799
Publication Date:
April 20, 2017
Filing Date:
October 11, 2016
Export Citation:
Assignee:
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
F25B43/00; F25B15/06
Foreign References:
| JP2006125755A | 2006-05-18 | |||
| CN2280252Y | 1998-04-29 | |||
| CN2280251Y | 1998-04-29 | |||
| CN105115203A | 2015-12-02 | |||
| CN205037640U | 2016-02-17 | |||
| JPH11201577A | 1999-07-30 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P. C. (CN)
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