Patents by Inventor Mohammad Pirjaberi

Mohammad Pirjaberi 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).

  • Internal combustion engine control for improved fuel efficiency
    Patent number: 8616181
    Abstract: A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. In some aspects, methods and arrangements are described for operating an engine in a throttled skip fire mode. In other aspects, methods and arrangements are described for controlling the operational state of a variable displacement engine.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: December 31, 2013
    Assignee: Tula Technology, Inc.
    Inventors: Farzad Sahandiesfanjani, Chris Hand, Mohammad Pirjaberi, Adya S. Tripathi
  • INTERNAL COMBUSTION ENGINE CONTROL FOR IMPROVED FUEL EFFICIENCY
    Publication number: 20110251773
    Abstract: A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. In some aspects, methods and arrangements are described for operating an engine in a throttled skip fire mode. In other aspects, methods and arrangements are described for controlling the operational state of a variable displacement engine.
    Type: Application
    Filed: January 11, 2011
    Publication date: October 13, 2011
    Applicant: TULA TECHNOLOGY, INC.
    Inventors: Farzad SAHANDIESFANJANI, Chris HAND, Mohammad PIRJABERI, Adya S. TRIPATHI
  • Digital-to-analog converter with level control
    Publication number: 20050035891
    Abstract: Methods and apparatus are described for converting a digital data stream to an analog signal. Charge is added to and subtracted from an input of an integrator in a manner representative of the digital data stream thereby generating the analog signal at an output of the integrator. The amount of charge is varied thereby controlling the output level of the analog signal.
    Type: Application
    Filed: July 28, 2004
    Publication date: February 17, 2005
    Inventors: Mohammad Pirjaberi, Adya Tripathi