Patents by Inventor Yih-Fam Chen

Yih-Fam Chen 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).

  • Trim tab retention system, an aircraft employing same and a method of retaining a trim tab within a blade housing
    Patent number: 10589849
    Abstract: A trim tab for use in a blade housing includes a cavity connected to an opening extending from the cavity out a trailing edge of the blade housing, the cavity has a first dimension which is greater than a second dimension of the opening at a same spanwise location of the blade housing. The trim tab has a trim portion, a head portion having a head dimension substantially similar to the first dimension, and a tail portion connecting the trim portion and the head portion. The tail portion has a tail dimension substantially similar to the second dimension such that the trim tab is retainable by the blade housing when the head portion is disposed within the cavity and the tail portion is disposed within the opening.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: March 17, 2020
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: Timothy James Conti, David N. Schmaling, Leon M. Meyer, Yih-Fam Chen