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:
Oct. 21, 2025
Filed:
Dec. 08, 2021
Applicant:
Intex Marketing Ltd., Tortola, VG;
Inventors:
Zhi Xiong Huang, Fujian, CN;
Ying Biao Zhang, Fujian, CN;
Assignee:
Intex Marketing Ltd., Tortola, VG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 7/28 (2016.01); F04B 49/06 (2006.01); H02H 7/085 (2006.01); H02P 7/292 (2016.01); F04B 35/04 (2006.01);
U.S. Cl.
CPC ...
F04B 49/06 (2013.01); H02H 7/085 (2013.01); H02P 7/292 (2013.01); F04B 35/04 (2013.01);
Abstract
A voltage regulation and speed regulation control circuit () of an air pump () is provided. The voltage regulation and speed regulation control circuit () may comprise a chopper power supply circuit (), a full bridge rectifier circuit () and a switch (). The switch () may be used to switch the chopper power supply circuit () or the full bridge rectifier circuit () to be connected to the positive and negative input terminals () of the air pump (). The output voltage of the chopper power supply circuit () and the output voltage of the full bridge rectifier circuit may be different ().