Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2019/064441
Kind Code:
A1
Abstract:
In this air conditioner , an outdoor unit that has a compressor which has an injection port for introducing the refrigerant into an intake chamber, a heat source-side heat exchanger that performs heat exchange with the refrigerant, an outdoor unit-side throttle device, and an accumulator; at least one load-side throttle device; and at least one load-side heat exchanger that performs heat exchange between a load and the refrigerant are connected by piping to constitute a refrigerant circuit for circulating the refrigerant. The outdoor unit is provided with: an injection pipe which has one end connected between the heat source-side heat exchanger and the load-side throttle device in the refrigerant circuit, and the other end connected to the injection port; the outdoor unit-side throttle device that is installed in a position downstream from the one end of the injection pipe when the refrigerant flows from the load-side throttle device to the heat source-side heat exchanger; and an injection throttle device that adjusts the amount of refrigerant flowing through the injection pipe. The outdoor unit further has a control device controls the opening degree of the outdoor unit-side throttle device and the opening degree of the injection throttle device.
Inventors:
HATOMURA TAKESHI (JP)
Application Number:
PCT/JP2017/035261
Publication Date:
April 04, 2019
Filing Date:
September 28, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00; F25B13/00
Domestic Patent References:
| WO2014080464A1 | 2014-05-30 | |||
| WO2013160966A1 | 2013-10-31 | |||
| WO2016105262A1 | 2016-06-30 | |||
| WO2014141374A1 | 2014-09-18 |
Foreign References:
| US20150267957A1 | 2015-09-24 | |||
| JP2008138921A | 2008-06-19 |
Other References:
See also references of EP 3690349A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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