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. 27, 2021
Filed:
Oct. 12, 2019
China Tobacco Yunnan Industrial Co., Ltd, Kunming, CN;
Tinghua Li, Kunming, CN;
Donglai Zhu, Kunming, CN;
Deshou Mao, Kunming, CN;
Yi Han, Kunming, CN;
Shoubo Li, Kunming, CN;
Xia Zhang, Kunming, CN;
Xiaowei Gong, Kunming, CN;
Wei Zhao, Kunming, CN;
CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD, Kunming, CN;
Abstract
An electronic cigarette liquid supply device includes the piezoelectric substrate, the insulating film, the first interdigital transducer, the second interdigital transducer, the liquid storage chamber, the flow channel and the liquid outlet. A liquid inlet is provided on the liquid storage chamber. One end of the flow channel is hermetically connected to the liquid storage chamber, and the other end of the flow channel is the liquid outlet. The first interdigital transducer and the second interdigital transducer are attached to a surface of the piezoelectric substrate and located between the piezoelectric substrate and the insulating film. The liquid storage chamber, the flow channel and the liquid outlet are provided outside and above the insulating film.