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Title:
GAS ENGINE DRIVEN AIR CONDITIONING EQUIPMENT
Document Type and Number:
Japanese Patent JP2019158248
Kind Code:
A
Abstract:
To provide gas engine driven air conditioning equipment that comprises one or a plurality of outdoor units and a plurality of indoor units, keeps a cooling room and a heating room comfortable and furthermore allows for reduction of load on a compressor compressing refrigerant.SOLUTION: A control device CT controls the openings of a plurality of valves and the number of revolutions of a gas engine 12 so that the physical quantity related to a refrigerant on the suction port side of a compressor 11 matches a predetermined target value and the physical quantity related to the refrigerant on the delivery port side of the compressor 11 matches a predetermined target value. The control device CT corrects the target value of the low-pressure side physical quantity, and controls the heat transfer amount per unit time to the refrigerant by a waste heat recovery heat exchanger on the basis of one or more values selected from a current value of the low-pressure side physical quantity, the corrected target value of the low-pressure side physical quantity, a current value of the high-pressure side physical quantity and the target value of the high-pressure side physical quantity when operating at least one indoor unit among the indoor units 20A, 20B, ... as a cooling device and operating at least one indoor unit as heating device.SELECTED DRAWING: Figure 4

Inventors:
NISHIKAWA TOMOHIDE
YOKOYAMA JUNICHI
YAMANOI YOSHIKI
HORI YASUSHI
Application Number:
JP2018046684A
Publication Date:
September 19, 2019
Filing Date:
March 14, 2018
Export Citation:
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Assignee:
AISIN SEIKI
DAIKIN IND LTD
International Classes:
F25B27/00; F02B65/00; F24F11/87; F25B1/00; F25B13/00
Domestic Patent References:
JP2007127369A2007-05-24
JPH0694324A1994-04-05
JPH07133969A1995-05-23
JP2015145742A2015-08-13
JP2009079813A2009-04-16
Foreign References:
WO2010131378A12010-11-18
Attorney, Agent or Firm:
Patent business corporation Prospec patent office