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. 13, 2022
Filed:
Aug. 08, 2019
China Tobacco Yunnan Industrial Co., Ltd, Kunming, CN;
Yi Han, Kunming, CN;
Shoubo Li, Kunming, CN;
Tinghua Li, Kunming, CN;
Donglai Zhu, Kunming, CN;
Xia Zhang, Kunming, CN;
Wei Zhao, Kunming, CN;
Xiaowei Gong, Kunming, CN;
Yongkuan Chen, Kunming, CN;
CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD, Kunming, CN;
Abstract
A magnetic drive pumping apparatus for electronic cigarette liquids and an electronic cigarette product including the magnetic drive pumping apparatus are provided. The magnetic drive pumping apparatus includes a magnetic drive micro-pump including a housing body and a pump body. A pump diaphragm is arranged inside the housing body, and a pump chamber is formed between the housing body and the pump diaphragm. A valve seat and a valve diaphragm are in the pump body. The pump diaphragm, the valve seat and the valve diaphragm jointly define a flow channel of electronic cigarette liquids. The pump diaphragm is fixed with a permanent magnet, and an inner wall of the housing body is fixed with an electromagnet corresponding to the permanent magnet. A liquid storage element includes a liquid tank and an air vent. The inlet of electronic cigarette liquids is connected to the liquid tank for liquids to pass through.