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:
Mar. 05, 2024
Filed:
Oct. 22, 2021
Amotech Co., Ltd., Incheon, KR;
Byung Soo Kim, Incheon, KR;
AMOTECH CO., LTD., Incheon, KR;
Abstract
A cooling fan includes: a fan housing having an air outlet for discharging air and an air inlet for introducing air; a rotation shaft having a lower portion rotatably supported by the fan housing; a rotor fixed to an upper portion of the rotation shaft; a stator arranged inside the rotor with a predetermined gap with respect to the rotor; an impeller connected to an outer periphery of the rotor and rotated together with the rotor; a printed circuit board (PCB) arranged below the stator to connect power to the stator and having mounted thereon various circuit components of the motor driving circuit; and a PCB housing box connected to the rear surface of the fan housing through a plurality of bridges and accommodating the PCB in a center thereof.