Patents by Inventor Ping-Tsang He

Ping-Tsang He has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Structure of balancing fan
    Patent number: 7717679
    Abstract: A structure of a balancing fan is disclosed. The fan comprises a hub and a rotation balancing unit. The hub comprises a top portion and a ring portion disposed around the top portion. A plurality of blades extends from the hub. The rotation balancing unit is disposed among the outer side of the top portion and the inner side of the ring portion and comprises a guiding portion and at least one movable weight member. The movable weight member is positioned on the inner side of the guiding portion such that the movable weight member can move along the guiding portion when the hub rotates to provide the dynamic-balance effect and thereby stabilize the rotation of the fan.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: May 18, 2010
    Assignee: Asia Vital Components Co., Ltd.
    Inventor: Ping-Tsang He
  • Structure of balancing fan
    Publication number: 20080063526
    Abstract: A structure of a balancing fan is disclosed. The fan comprises a hub and a rotation balancing unit. The hub comprises a top portion and a ring portion disposed around the top portion. A plurality of blades extends from the hub. The rotation balancing unit is disposed among the outer side of the top portion and the inner side of the ring portion and comprises a guiding portion and at least one movable weight member. The movable weight member is positioned on the inner side of the guiding portion such that the movable weight member can move along the guiding portion when the hub rotates to provide the dynamic-balance effect and thereby stabilize the rotation of the fan.
    Type: Application
    Filed: September 13, 2006
    Publication date: March 13, 2008
    Applicant: ASIA VITAL COMPONENTS CO., LTD.
    Inventor: Ping-Tsang He