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:
Dec. 30, 2025
Filed:
Dec. 23, 2020
Hefei Midea Refrigerator Co., Ltd., Anhui, CN;
Hefei Hualing Co., Ltd., Anhui, CN;
Midea Group Co., Ltd., Guangdong, CN;
Xiaolong Yuan, Anhui, CN;
Xuezi Liu, Anhui, CN;
HEFEI MIDEA REFRIGERATOR CO., LTD., Hefei, CN;
HEFEI HUALING CO., LTD., Hefei, CN;
MIDEA GROUP CO., LTD., Foshan, CN;
Abstract
A volatilization device and a storage device. The volatilization device comprises: a shell having a cavity, an air outlet communicated with the cavity being formed on the shell; and a color change member fixed on the shell. One side of the color change member is exposed to the cavity, the other side of the color change member can be seen from the outer wall of the shell, and the color change member changes color according to the concentration of a target gas in the cavity. The storage device comprises a box and the volatilization device, and the shell is fixed in the box. The color change member is fixed on the shell, one side of the color change member is exposed to the cavity of the shell, the other side of the color change member can be seen from the outer wall of the shell, and a user thus can determine, by observing the color change of the color change member, the validity of an item to be stored in the cavity, helping the user in in-time replacing.