Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ヒートポンプシステムの検査方法、及びヒートポンプシステム
Document Type and Number:
Japanese Patent JP6979921
Kind Code:
B2
Abstract:
To provide a heat pump system inspection method for correctly recognizing the propriety of a charged refrigerant amount in a refrigerant circulation passage even in a configuration having a receiver in which refrigerant is charged, and provide a heat pump system.SOLUTION: A heat pump system inspection method includes: a filling-up step for filling up a receiver 60 with refrigerant; a state value detection step for detecting a state value of refrigerant in circulation while maintaining a state that the receiver 60 is filled up by the filling-up step while an inspection operation is executed; and a charged refrigerant amount determination step for determining the propriety of a charged refrigerant amount present in a refrigerant circulation passage 3 on the basis of the state value detected in the state value detection step.SELECTED DRAWING: Figure 1

Inventors:
Tsutomu Wakabayashi
Takahiro Sako
Yakushiji Shingo
High Island Ryokan
Satoshi Katayama
Application Number:
JP2018084429A
Publication Date:
December 15, 2021
Filing Date:
April 25, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
OSAKA GAS CO.,LTD.
International Classes:
F25B49/02; F25B1/00; F25B27/00; F25B27/02
Domestic Patent References:
JP2016138714A
JP201835979A
JP6331223A
JP20179275A
JP20179276A
Foreign References:
WO2015056704A1
US20110112814
Attorney, Agent or Firm:
Patent business corporation r&c