Patents by Inventor Nathan Coulombe

Nathan Coulombe 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).

  • Injector seal assembly and method of sealing a coolant passage from an injector
    Patent number: 8230838
    Abstract: An injector seal assembly and method of sealing a coolant passage from an injector are provided. The seal assembly includes a sealing sleeve sized and dimensioned to slip fit into an injector mounting bore and a retaining ring sized and dimensioned to be axially inserted into the sleeve. The ring contacts the sleeve and applies a radial force sufficient to create an interference fit and to move or yield an interface portion of the sleeve radially outward into sealing abutment against a wall forming the injector mounting bore to create a secure and reliable annular fluid seal.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: July 31, 2012
    Assignee: Cummins Intellectual Properties, Inc.
    Inventors: Kent H. Clark, Glen T. Haegele, Nathan Coulombe, Matthew R. Walker, John M. Nyvall, Jeffrey J. Hurd, Andrew J. Keenan
  • INJECTOR SEAL ASSEMBLY AND METHOD OF SEALING A COOLANT PASSAGE FROM AN INJECTOR
    Publication number: 20110067653
    Abstract: An injector seal assembly and method of sealing a coolant passage from an injector are provided. The seal assembly includes a sealing sleeve sized and dimensioned to slip fit into an injector mounting bore and a retaining ring sized and dimensioned to be axially inserted into the sleeve. The ring contacts the sleeve and applies a radial force sufficient to create an interference fit and to move or yield an interface portion of the sleeve radially outward into sealing abutment against a wall forming the injector mounting bore to create a secure and reliable annular fluid seal.
    Type: Application
    Filed: September 23, 2010
    Publication date: March 24, 2011
    Applicant: CUMMINS INTELLECTUAL PROPERTIES, INC.
    Inventors: Kent H. CLARK, Glen T. HAEGELE, Nathan COULOMBE, Matthew R. WALKER, John M. NYVALL, Jeffrey J. HURD, Andrew J. KEENAN