Patents by Inventor Sami I. El-Sayed

Sami I. El-Sayed 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).

  • Self damping compression spring assembly for a fuel injection device
    Patent number: 7370854
    Abstract: A compression spring assembly is disclosed herein. The compression spring assembly may be used in a fuel injection device and may include a compression spring having first and second adjacent turns spaced apart by a distance. The compression spring assembly may further include a damping element arranged between the first and second turns and having first and second spaced apart support regions separated by an arched third support region. The first and second support regions may be configured to exert force on a surface of the first turn, and the third support region may be configured to exert force on a surface of the second turn to at least inhibit movement of the first turn toward the second turn during operation of the spring.
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: May 13, 2008
    Assignee: Caterpillar, Inc.
    Inventors: Avtar S Sandhu, Sami I. El-Sayed