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Title:
DEFROSTING AND FREQUENCY VARIABLE HEAT PUMP/AIR CONDITIONING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2012/139429
Kind Code:
A1
Abstract:
A defrosting and frequency variable heat pump/air conditioning apparatus comprises an indoor machine (20) and an outdoor machine (10), with the outdoor machine (10) comprising a condenser (1), a fan (2), a four way switching valve (3), a throttle mechanism (5) and a compressor (5), wherein the condenser (1) has one end thereof connected to the indoor machine (20) via a connection pipeline (7), and the other end thereof connected with the compressor (8) and the indoor machine (20) via the four way valve (3), cut-off valves (6) are provided between the indoor machine (20) and both the condenser (1) and the four way valve (3), the throttle mechanism (5) is provided between the cut-off valve (6) in the connection pipeline (7) and the condenser (1), and a pipeline heater (4) is provided between the throttle mechanism (5) and the condenser (1).

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Inventors:
LI ZHIJUN (CN)
Application Number:
PCT/CN2012/070394
Publication Date:
October 18, 2012
Filing Date:
January 16, 2012
Export Citation:
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Assignee:
HISENSE KELON ELEC HOLDINGS CO (CN)
GUANGDONG KELON AIR CONDITIONER COMPANY LTD (CN)
LI ZHIJUN (CN)
International Classes:
F25B47/02; F25B29/00; F25B30/00
Foreign References:
JP2004251567A2004-09-09
CN201387080Y2010-01-20
CN1389693A2003-01-08
CN1888748A2007-01-03
JP2000146373A2000-05-26
CN202002245U2011-10-05
CN102147177A2011-08-10
Attorney, Agent or Firm:
YOGO PATENT & TRADE MARK AGENCY LIMITED COMPANY (CN)
广州粤高专利商标代理有限公司 (CN)
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