Patents by Inventor Norman C. LO

Norman C. LO 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).

  • Split bank and multimode skip fire operation
    Patent number: 9239037
    Abstract: Various methods and arrangements for operating a skip fire engine control system are described. In one aspect of the invention, a distinct firing sequence is determined for each bank of working chambers that is used to operate the bank in a skip fire manner. Each firing sequence uses a different firing fraction. In another aspect of the invention, a determination is made as to whether a firing sequence should be dynamically generated or selected from a set of predefined firing sequences.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: January 19, 2016
    Assignee: Tula Technology, Inc.
    Inventors: Steven E. Carlson, Xin Yuan, Louis J. Serrano, Joshua P. Switkes, Biswa R. Ghosh, Norman C. Lo
  • SPLIT BANK AND MULTIMODE SKIP FIRE OPERATION
    Publication number: 20140041630
    Abstract: Various methods and arrangements for operating a skip fire engine control system are described. In one aspect of the invention, a distinct firing sequence is determined for each bank of working chambers that is used to operate the bank in a skip fire manner. Each firing sequence uses a different firing fraction. In another aspect of the invention, a determination is made as to whether a firing sequence should be dynamically generated or selected from a set of predefined firing sequences.
    Type: Application
    Filed: August 9, 2013
    Publication date: February 13, 2014
    Applicant: Tula Technology, Inc.
    Inventors: Steven E. CARLSON, Xin YUAN, Louis J. SERRANO, Joshua P. SWITKES, Biswa R. GHOSH, Norman C. LO