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. 07, 2025
Filed:
Feb. 25, 2025
Delta Electronics, Inc., Taoyuan, TW;
Chun-Yi Kuo, Taoyuan, TW;
Wen-Chih Li, Taoyuan, TW;
Chun-Wei Chen, Taoyuan, TW;
Yen-Lin Chen, Taoyuan, TW;
DELTA ELECTRONICS, INC., Taoyuan, TW;
Abstract
A ventilation fan device includes a base, a fan module, and an air guide assembly. The base includes a cover and a shell. The cover includes a first inlet and a first outlet. The shell includes a second outlet. The cover is combined with the shell. The fan module is installed on the shell and includes a housing and a centrifugal fan. The housing includes a second inlet and an air duct communicating with the second inlet. The housing includes a wing-shaped part located in the air duct. The centrifugal fan is disposed in the housing. The air guide assembly includes a stepper motor and an air guide plate. The stepper motor is installed in the wing-shaped part. The air guide plate is disposed in the housing and is driven by the motor.