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:
Feb. 15, 2022
Filed:
Jan. 09, 2020
Panasonic Ecology Systems Guangdong Co., Ltd., Guangdon, CN;
Panasonic Corporation, Osaka, JP;
Shenghui Zhong, Guangdong, CN;
Daisuke Kanematsu, Aichi, JP;
Panasonic Ecology Systems Guangdong Co., Ltd., Guangdong, CN;
Panasonic Corporation, Osaka, JP;
Abstract
The present disclosure provides an airway device. The airway device includes: a main housing provided with a suction port and a blow port; an air passage having a cylindrical shape, and having an inner circumferential surface defining an air flow path from the suction port to the blow port; and a lighting unit for illuminating the inner circumferential surface. The airway device can be used alone or together with blower and the like to form a ceiling mounted ventilation fan. Compared with the prior art, the ventilating fan device has the advantages of small air pressure loss, high ventilation efficiency, high lighting efficiency and convenient maintenance.