Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2017/134807
Kind Code:
A1
Abstract:
This air conditioner device is provided with: a refrigerant circuit in which a compressor, a channel-switching unit, an outdoor heat exchanger, an expander, and an indoor heat exchanger are connected by piping, the refrigerant circuit channeling a refrigerant; and a control unit for controlling the operation of the refrigerant circuit so as to switch between a heating operation and a defrosting operation. The control unit is provided with: a determining means for determining, if the heating operation is in progress, whether or not there is a need to change the starting condition for the defrosting operation on the basis of operation information for the refrigerant circuit; a changing means for changing the starting condition for the defrosting operation on the basis of the result of the determination by the determining means; and a switching means for switching the channel switching unit so as to start the defrosting operation when the starting condition for the defrosting operation is satisfied.
Inventors:
TAKAMURA MASAHIRO (JP)
TOMITA MASAFUMI (JP)
OKADA KAZUKI (JP)
SAKAI MIZUO (JP)
TOMITA MASAFUMI (JP)
OKADA KAZUKI (JP)
SAKAI MIZUO (JP)
Application Number:
PCT/JP2016/053458
Publication Date:
August 10, 2017
Filing Date:
February 05, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F11/02; F25B47/02
Foreign References:
| JP2012047423A | 2012-03-08 | |||
| JPH0231300B2 | 1990-07-12 | |||
| JPH07104082B2 | 1995-11-13 | |||
| JP2013130341A | 2013-07-04 | |||
| JP2015183873A | 2015-10-22 | |||
| JPS61276648A | 1986-12-06 |
Other References:
See also references of EP 3412992A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Download PDF:
Previous Patent: PROGRAM DESIGN AND DEVELOPMENT SYSTEM
Next Patent: METHOD FOR PRODUCING SEMICONDUCTOR DEVICE
Next Patent: METHOD FOR PRODUCING SEMICONDUCTOR DEVICE