Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
AIR CONDITIONING OPERATION CONTROL DEVICE, AIR CONDITIONING SYSTEM, AIR CONDITIONING CONTROL METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2017/164152
Kind Code:
A1
Abstract:
An air conditioning operation control device comprises: an operation mode determination unit that determines whether an air conditioning system main unit is in heating operation, wherein the air conditioning system main unit comprises a refrigerant circuit comprising one outdoor unit, a plurality of indoor units, and a plurality of expansion valves, each of which is provided in a refrigerant outlet side during heating for each of the plurality of indoor units; a stop determination unit that determines whether there is an indoor unit that is stopped from among the plurality of indoor units when the operation mode determination unit has determined that the air conditioning system main unit is in heating operation; and an expansion valve control unit that closes an expansion valve connected to the stopped indoor unit after the expansion valve was opened when the stop determination unit determined that the indoor unit had stopped.

Inventors:
TAKANO Masashi (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
MASUTANI Akihiro (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
OKADA Yuji (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
KANAMORI Azusa (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
KOZAKAI Tsutomu (60-1, Kutanjo, Iwatsuka-cho, Nakamura-ku, Nagoya-sh, Aichi 62, 〒4530862, JP)
Application Number:
JP2017/011138
Publication Date:
September 28, 2017
Filing Date:
March 21, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. (16-5, Konan 2-chome Minato-k, Tokyo 15, 〒1088215, JP)
International Classes:
F25B1/00; F24F11/02; F25B13/00
Foreign References:
JPH06323673A1994-11-25
JPS6479553A1989-03-24
JPS63233259A1988-09-28
JPH08114359A1996-05-07
JPS6475860A1989-03-22
JP2005351552A2005-12-22
JP2008145044A2008-06-26
JPH07324835A1995-12-12
JPH04359764A1992-12-14
JPH01139964A1989-06-01
Other References:
See also references of EP 3379170A4
Attorney, Agent or Firm:
MORI Ryuichirou et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
Download PDF:



 
Previous Patent: TERMINAL BOX

Next Patent: OIL FREE SCREW COMPRESSOR