Title:
APPARATUS AND METHOD FOR CHECKING FOR LEAKAGE OF REFRIGERANT GAS IN AIR CONDITIONING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/068120
Kind Code:
A1
Abstract:
Provided is an apparatus that can prevent entry of foreign matter and moisture during injection of compressed air into an air conditioning system and that enables checking for leakage of a refrigerant gas in the air conditioning system more reliably and quickly. This apparatus has: a branching device having an inflow port into which dry compressed air containing moisture at a predetermined percentage or less flows, an outflow port from which dry compressed air flows, and an opening/closing valve for controlling the flow rates of dry compressed air between the inflow port and the outflow port; and a pressure gauge for measuring pressure inside the air conditioning system. The apparatus preferably further comprises a filter on the upstream side of the gas inflow port. The apparatus still further comprises a flow path through which dry compressed air is sent from the outflow ports to a service valve of the air conditioning system.
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Inventors:
ISHIMURA TOSHIHIRO (JP)
Application Number:
PCT/JP2022/037973
Publication Date:
April 27, 2023
Filing Date:
October 12, 2022
Export Citation:
Assignee:
ISHIMURA TOSHIHIRO (JP)
International Classes:
G01M3/26; F16L55/18; F25B49/02
Foreign References:
| CN112032922A | 2020-12-04 | |||
| JP2009257726A | 2009-11-05 | |||
| JP2010530952A | 2010-09-16 |
Attorney, Agent or Firm:
THE PATENT CORPORATE BODY PSD (JP)
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