The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 05, 2025
Filed:
Sep. 13, 2022
Applicants:
Daikin Industries, Ltd., Osaka, JP;
Daikin Europe N.v., Ostend, BE;
Inventors:
Assignees:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
DAIKIN EUROPE N.V., Ostend, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F 11/36 (2018.01); F24F 11/00 (2018.01); F24F 13/14 (2006.01); F24F 13/20 (2006.01);
U.S. Cl.
CPC ...
F24F 11/36 (2018.01); F24F 11/0001 (2013.01); F24F 13/1426 (2013.01); F24F 2013/1433 (2013.01); F24F 13/20 (2013.01); F25B 2500/222 (2013.01);
Abstract
A valve unit for a heat-pump system, includes: a liquid refrigerant pipe portion; a gas refrigerant pipe portion; a liquid control valve disposed in the liquid refrigerant pipe portion; a gas control valve disposed in the gas refrigerant pipe portion; a casing accommodating the liquid control valve and the gas control valve; and an air-discharge mechanism that discharges air in an internal space of the casing to an external space outside the casing in response to a refrigerant leakage in the casing.