US 11,962,225 B2
Fan braking structure
Chih-Cheng Tang., New Taipei (TW); Hao-Yu Chen, New Taipei (TW); and Hsu-Jung Lin, New Taipei (TW)
Assigned to Asia Vital Components Co., Ltd., New Taipei (TW)
Filed by ASIA VITAL COMPONENTS CO., LTD., New Taipei (TW)
Filed on Apr. 24, 2023, as Appl. No. 18/138,130.
Claims priority of application No. 111128989 (TW), filed on Aug. 2, 2022.
Prior Publication US 2024/0048024 A1, Feb. 8, 2024
Int. Cl. H02K 7/102 (2006.01); H02K 7/14 (2006.01)
CPC H02K 7/1023 (2013.01) [H02K 7/14 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A fan braking structure, comprising:
a fan including a frame, a fan impeller and a stator; the frame including an upright bearing cup, and the stator being externally fitted around the bearing cup to be located corresponding to the fan impeller; and the fan impeller including a rotating shaft vertically received in the bearing cup, an end of the rotating shaft being pivotally received in the bearing cup, and another end of the rotating shaft being a free end having a groove formed thereat;
a braking structure including a regenerative module and a shell located at a lower part of the bearing cup; the shell being internally provided with a brake plate and an electromagnet; the brake plate being provided at one side with a protruded brake pin and at another opposite side with a magnetic member; and the regenerative module including an electrical connection section and a power storage element, and the electrical connection section being electrically connected to the fan; and
an elastic element being disposed between and pressed against a top of the shell and the brake plate.