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:
Oct. 19, 2021
Filed:
Dec. 01, 2017
Applicant:
Qingdao Haier Joint Stock Co., Ltd., Qingdao, CN;
Inventors:
Assignee:
QINGDAO HAIER JOINT STOCK CO., LTD., Qingdao, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D 17/04 (2006.01); B01D 53/22 (2006.01); B01D 69/06 (2006.01); B01D 69/10 (2006.01); F25D 25/02 (2006.01); F17C 5/06 (2006.01);
U.S. Cl.
CPC ...
F25D 17/047 (2013.01); B01D 53/228 (2013.01); B01D 69/06 (2013.01); B01D 69/10 (2013.01); F25D 25/025 (2013.01); B01D 2053/222 (2013.01); B01D 2256/10 (2013.01); B01D 2257/104 (2013.01); B01D 2259/4525 (2013.01); F17C 5/06 (2013.01); F17C 2221/011 (2013.01); F25D 2317/041 (2013.01);
Abstract
An air-regulating freshness-preserving storage device comprises a container having a first storage space defined therein; and an oxygen removal device configured to remove a part or all of oxygen in air in the first storage space, so as to obtain the air rich in nitrogen, low in oxygen, and favorable for food preservation.