Title:
REFRIGERANT LEAKAGE DETECTION SENSOR FOR A HEAT PUMP AND AIR CONDITIONING APPARATUS INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2021/215526
Kind Code:
A1
Abstract:
The present disclosure relates to Refrigerant leakage detection sensor (1) for a heat pump, comprising: a sensor casing (2); a circuit board (3) enclosed by the sensor casing (2); and a gas sensor (4) mounted on the circuit board (3), the gas sensor (4) having a housing (5), a refrigerant reception area (6) at an end of the housing (5) allowing gaseous refrigerant to enter the housing (5) and a sensing element in the housing (5), wherein the housing (5) protrudes through an opening (7) in the sensor casing (2) so that the refrigerant reception area (6) is arranged outside the sensor casing (2) and the sensing element is positioned inside the sensor casing (2). Moreover, the disclosure relates to an air conditioning apparatus comprising such a refrigerant leakage detection sensor.
Inventors:
PETELE JAN
CESKY JOSEF
TRYKAR MICHAL
CESKY JOSEF
TRYKAR MICHAL
Application Number:
PCT/JP2021/016408
Publication Date:
October 28, 2021
Filing Date:
April 23, 2021
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
DAIKIN EUROPE NV (BE)
DAIKIN EUROPE NV (BE)
International Classes:
F24F11/36; F24F11/89; F25B49/00; F25B49/02
Domestic Patent References:
| WO2019013049A1 | 2019-01-17 |
Foreign References:
| JP3587326B2 | 2004-11-10 | |||
| EP3214386A1 | 2017-09-06 | |||
| JP2007071604A | 2007-03-22 | |||
| EP3396261A1 | 2018-10-31 |
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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