ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,312, issued on Sept. 16, was assigned to ASIA VITAL COMPONENTS Co. LTD. (New Taipei, Taiwan).
"Braking structure for centrifugal fan" was invented by Chih-Cheng Tang (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A braking structure for centrifugal fan includes an impeller; a braking base located at a bottom of a shaft barrel of the impeller and provided with pawls; and a braking module pivotally connected to a shaft of the impeller and internally provided with movable hooks and elastic elements. When the impeller rotates forward, the movable hooks are engaged with the elastic elements and retreated in the braking module. When t...