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.:

US 11937649 B1

Date of Patent:

Mar. 26, 2024

Filed:

Oct. 24, 2019

Constant-power electronic cigarette protecting against dry-heating and controlling method thereof

Applicant:

Huizhou Happy Vaping Technology Limited, Guangdong, CN;

Inventors:

Guangrong Lin, Guangdong, CN;

Xianbin Zheng, Guangdong, CN;

Xiyong Zhang, Guangdong, CN;

Assignee:

HUIZHOU HAPPY VAPING TECHNOLOGY LIMITED, Huizhou, CN;

Attorney:

Primary Examiner:

Jean F Duverne

Int. Cl.

CPC ...

A24F 40/57 (2020.01); A24F 40/10 (2020.01); A24F 40/46 (2020.01); A24F 40/53 (2020.01); A24F 40/60 (2020.01); G05D 23/24 (2006.01); H01M 10/42 (2006.01); H01M 10/46 (2006.01); H01M 10/48 (2006.01); H02J 7/00 (2006.01); H05B 1/02 (2006.01);

U.S. Cl.

CPC ...

A24F 40/57 (2020.01); A24F 40/10 (2020.01); A24F 40/46 (2020.01); A24F 40/53 (2020.01); A24F 40/60 (2020.01); G05D 23/2401 (2013.01); H01M 10/425 (2013.01); H01M 10/46 (2013.01); H01M 10/48 (2013.01); H02J 7/0063 (2013.01); H05B 1/0244 (2013.01); H01M 2010/4271 (2013.01); H01M 2220/30 (2013.01);

Abstract

A constant-power electronic cigarette protecting against dry-heating and a controlling method thereof are provided. The electronic cigarette comprises a vaporization rod () with a heating resistor arranged therein and comprises a battery rod () in which a battery (), a control circuit board () and an unlock switch button () and a starting switch are arranged. The heating resistor is a variable resistor with a resistance variable depending on a change in temperature and having a positive temperature coefficient. The control circuit board () is arranged with a microcontroller chip, a resistance detection unit, a constant-power output control unit, an output feedback unit, wherein the unlock switch button and the starting switch are electrically connected with the microcontroller chip.

Find Patent Forward Citations

Lin, Guangrong. (2024). Constant-power electronic cigarette protecting against dry-heating and controlling method thereof (U.S. Patent No. 11937649). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11937649

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