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:
Jan. 13, 2026
Filed:
Sep. 13, 2022
Applicant:
Stiebel Eltron Gmbh & Co. KG, Holzminden, DE;
Inventor:
Hubert Nolte, Hoxter, DE;
Assignee:
Stiebel Eltron GmbH & Co.KG, Holzminden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D 21/08 (2006.01); F24D 17/02 (2006.01); F24H 1/20 (2022.01); F24H 4/04 (2006.01); F24H 9/20 (2022.01); F24H 15/136 (2022.01); F24H 15/37 (2022.01); F24H 15/375 (2022.01); F25B 30/02 (2006.01); F24H 15/20 (2022.01); F24H 15/281 (2022.01); F24H 15/38 (2022.01); F24H 15/421 (2022.01); F25B 47/02 (2006.01);
U.S. Cl.
CPC ...
F25D 21/08 (2013.01); F24D 17/02 (2013.01); F24H 1/202 (2013.01); F24H 4/04 (2013.01); F24H 9/2021 (2013.01); F24H 15/136 (2022.01); F24H 15/37 (2022.01); F24H 15/375 (2022.01); F25B 30/02 (2013.01); F24H 15/20 (2022.01); F24H 15/281 (2022.01); F24H 15/38 (2022.01); F24H 15/421 (2022.01); F25B 47/02 (2013.01); F25B 2339/047 (2013.01);
Abstract
A system and method of defrosting a heat pump device including a water tank, a heat exchanger, an electrical heating element, an evaporator, a fan for the evaporator, and a control unit. In a first operating mode, the heat pump device is controlled to heat water inside the water tank. In a second operating mode, the electrical heating element is manually activated to additionally heat the water inside the water tank. In a third operating mode, the electrical heating element is automatically activating to heat the water in the storage tank.