Patents by Inventor Roy Mwangi

Roy Mwangi 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).

  • Determining the coil temperature of a magnetorheological damper of a vehicle
    Patent number: 6986413
    Abstract: Method for determining a present coil temperature of a coil of a magnetorheological (MR) damper of an operating automotive vehicle, wherein the coil is powered by an output of a controller connected to the coil through a conductor. One step includes calculating a coil-plus-conductor resistance from the voltage and the current of the output of the controller when the controller applies a test current to the coil and the conductor. Another step includes calculating the present coil temperature using at least the coil-plus-conductor resistance and compensating for the resistance of the conductor.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: January 17, 2006
    Assignee: Delphi Technologies, Inc.
    Inventors: Brandon J. Fedders, Roy Mwangi, David C Tsui, David Andrew Shal
  • Determining the coil temperature of a magnetorheological damper of a vehicle
    Publication number: 20050133318
    Abstract: Method for determining a present coil temperature of a coil of a magnetorheological (MR) damper of an operating automotive vehicle, wherein the coil is powered by an output of a controller connected to the coil through a conductor. One step includes calculating a coil-plus-conductor resistance from the voltage and the current of the output of the controller when the controller applies a test current to the coil and the conductor. Another step includes calculating the present coil temperature using at least the coil-plus-conductor resistance and compensating for the resistance of the conductor.
    Type: Application
    Filed: December 19, 2003
    Publication date: June 23, 2005
    Inventors: Brandon Fedders, Roy Mwangi, David Tsui, David Shal