Title:
ハイブリッドヒートポンプシステム
Document Type and Number:
Japanese Patent JP6842960
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To preferably prevent comfort from missing due to inflow of air conditioning air having relatively low-temperature into an indoor while preferably preventing frosting to an outdoor heat exchanger, in a heating operation under a low-outdoor temperature condition.SOLUTION: A hybrid heat pump system includes an operation control part S for running a refrigerant heating mechanism to execute a heat sharing heating operation of using heat recovered on a GHP outdoor unit GU side for an EHP outdoor unit EU side when GHP refrigerant circulation state switching means Vfw1 and EHP refrigerant circulation state switching means Vfw2 are in a heating circulation switching state.SELECTED DRAWING: Figure 2
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Inventors:
Toshinari Sakai
Norimichi Murai
Norimichi Murai
Application Number:
JP2017053332A
Publication Date:
March 17, 2021
Filing Date:
March 17, 2017
Export Citation:
Assignee:
OSAKA GAS CO.,LTD.
International Classes:
F25B27/02; F24F11/84; F24F11/87; F25B1/00; F25B13/00; F25B27/00
Domestic Patent References:
| JP2015152246A | ||||
| JP2001099519A | ||||
| JP2001153481A |
Foreign References:
| US20160201963 |
Attorney, Agent or Firm:
Patent business corporation r&c