Patents by Inventor Aileen Cheang

Aileen Cheang 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).

  • Drive shaft connector with counterweight and blades for cooling pump motor
    Patent number: 11686311
    Abstract: A fluid pump includes a pump head and a motor coupled by a drive shaft. The pump head includes a pump inlet, a pump outlet, and a pumping stage in which a movable pump element is driven by the drive shaft. The motor includes a motor rotor and a motor stator. A connector couples the motor rotor and the drive shaft. The connector includes a plate rotatable with the drive shaft, fan blades attached to the plate for establishing a flow of air for cooling the motor, and one or more counterweights attached to the plate for reducing or eliminating imbalance created by certain forces generated by the pump during operation.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: June 27, 2023
    Assignee: Agilent Technologies, Inc
    Inventors: Vannie Lu, George Galica, Aileen Cheang