Title:
WATER CHILLING UNIT
Document Type and Number:
WIPO Patent Application WO/2018/082347
Kind Code:
A1
Abstract:
Provided is a water chilling unit (100), comprising: a compressor (1), an oil separator (4) which is connected to a condenser (3), an evaporator (2) and an oil return device (5). In the oil return device (5), a lead-in end (a) of a Venturi ejector (51) is connected to an oil outlet port (41) of the oil separator (4) by means of a first connecting pipe (52), a negative pressure end (b) is connected to a liquid outlet port (21) of the evaporator (2) by means of a second connecting pipe (53), and a jet end (c) is connected to an oil return port (11) of the compressor (1) by means of a third connecting pipe (54), two ends of a fourth connecting pipe (55) are connected to the oil outlet port (41) of the oil separator (4) and the oil return port (11) of the compressor (1) respectively.
Inventors:
CHEN GAIFANG (CN)
Application Number:
PCT/CN2017/094320
Publication Date:
May 11, 2018
Filing Date:
July 25, 2017
Export Citation:
Assignee:
CHONGQING MIDEA GENERAL REFRIGERATION EQUIPMENT CO LTD (CN)
MIDEA GROUP CO LTD (CN)
MIDEA GROUP CO LTD (CN)
International Classes:
F25B31/00; F25B49/02
Foreign References:
| CN206222747U | 2017-06-06 | |||
| CN201396980Y | 2010-02-03 | |||
| CN202371934U | 2012-08-08 | |||
| CN103629866A | 2014-03-12 | |||
| CN1580671A | 2005-02-16 | |||
| JPH10205936A | 1998-08-04 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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