US Patent 11136999 Balance structure of fan wheel

Patent 11136999 was granted and assigned to Asia Vital Components Co., Ltd. on October, 2021 by the United States Patent and Trademark Office.

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Patent abstract

The present invention relates to a balance structure of a fan wheel, which comprises a hub and a plurality of blades disposed on the circumferential side of the hub. The hub has a top wall connected to a sidewall. An unbalanced portion for being removed is selectively disposed on the top wall or on the sidewall. The unbalanced portion is disposed on one side of a symmetrical axis of the hub. In this way, the weight of the fan wheel is balanced.

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Patent Inventor Names

Bor-Haw Chang0

Chung-Shu Wang0

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