Patents by Inventor Robert Charles Griffith, Jr.

Robert Charles Griffith, Jr. 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).

  • Crossover exhaust duct with front inside passage and rear outside passage
    Patent number: 8201405
    Abstract: A crossover for ducting exhaust produced by an engine. The crossover includes a front inside passage and rear outside passage. The front inside passage is configured to direct exhaust from one or more cylinders associated with a front of the engine to an inside volute of a turbocharger turbine. The rear outside passage is configured to direct exhaust from one or more cylinders associated with a rear of the engine to an outside volute of the turbocharger turbine. The inside volute is closer to the rear of the engine than the outside volute is.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: June 19, 2012
    Assignee: Caterpillar Inc.
    Inventors: Timothy Alan Bruce, Anwarul Karim, Scott Allen Thompson, Robert Charles Griffith, Jr.
  • CROSSOVER EXHAUST DUCT
    Publication number: 20100154416
    Abstract: A crossover for ducting exhaust produced by an engine. The crossover includes a front inside passage and rear outside passage. The front inside passage is configured to direct exhaust from one or more cylinders associated with a front of the engine to an inside volute of a turbocharger turbine. The rear outside passage is configured to direct exhaust from one or more cylinders associated with a rear of the engine to an outside volute of the turbocharger turbine. The inside volute is closer to the rear of the engine than the outside volute is.
    Type: Application
    Filed: December 18, 2008
    Publication date: June 24, 2010
    Applicant: Caterpillar Inc.
    Inventors: TIMOTHY ALAN BRUCE, ANWARUL KARIM, SCOTT ALLEN THOMPSON, ROBERT CHARLES GRIFFITH, JR.