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:
Apr. 06, 2021
Filed:
Oct. 25, 2017
Qingdao Haier Joint Stock Co., Ltd., Qingdao, CN;
QINGDAO HAIER JOINT STOCK CO., LTD., Qingdao, CN;
Abstract
A single-system air-cooled refrigerator, comprising a refrigerating compartment and a freezing compartment, wherein the refrigerator further comprises: a first air duct and a second air duct, which communicate the refrigerating compartment with the freezing compartment respectively; a first air door and a second air door which open and close the first air duct and the second air duct respectively; a refrigerating system; and a control system, configured to control opening and closing of the first air door and the second air door to implement a first working mode, a second working mode, or a third working mode of the refrigerator. The first working mode is that neither the freezing compartment nor the refrigerating compartment is switched, the second working mode is that the freezing compartment is switched to the refrigerating compartment, and the third working mode is that the refrigerating compartment is switched to the freezing compartment.