Patents by Inventor Samuel El-Nashef

Samuel El-Nashef 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).

  • Integrated non-contacting torque and absolute position sensor for steering applications
    Patent number: 7174795
    Abstract: An integrated torque and position sensor is set forth for measuring the relative rotational movement between an input and an output shaft and for measuring the final angle position of the output shaft. The integrated sensor includes a wheel that rotates with the shaft. An incremental sensing mechanism detects the incremental rotation of the shaft. In response to the shaft rotating to a predetermined angle, an actuation mechanism engages the wheel with a change gear for every new revolution in which the shaft passes. A segment sensing mechanism detects the segment in which the shaft is disposed. A method is set forth to calibrate and compensate the electrical outputs generated by the integrated torque and position sensor. The method produces common amplitudes and establishes a common angle with an expected phase angle shift for the electrical outputs.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: February 13, 2007
    Assignee: Delphi Technologies, Inc.
    Inventors: Sainan Feng, Mohammad Islam, Matthew W. Mielke, Christian Ross, Tomy Sebastian, Eric Pattok, Ryan Pavlawk, Samuel El-Nashef, Alan C. Davis, Harley D. Burkhard
  • Integrated non-contacting torque and absolute position sensor for steering applications
    Publication number: 20050172732
    Abstract: An integrated torque and position sensor is set forth for measuring the relative rotational movement between an input and an output shaft and for measuring the final angle position of the output shaft. The integrated sensor includes a wheel that rotates with the shaft. An incremental sensing mechanism detects the incremental rotation of the shaft. In response to the shaft rotating to a predetermined angle, an actuation mechanism engages the wheel with a change gear for every new revolution in which the shaft passes. A segment sensing mechanism detects the segment in which the shaft is disposed. A method is set forth to calibrate and compensate the electrical outputs generated by the integrated torque and position sensor. The method produces common amplitudes and establishes a common angle with an expected phase angle shift for the electrical outputs.
    Type: Application
    Filed: January 14, 2005
    Publication date: August 11, 2005
    Inventors: Sainan Feng, Mohammad Islam, Matthew Mielke, Christian Ross, Tomy Sebastian, Eric Pattok, Ryan Pavlawk, Samuel El-Nashef, Alan Davis, Harley Burkhard