Patents by Inventor Patrick E. Keister

Patrick E. Keister 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).

  • Patent number: 9377378
    Abstract: A system and method for testing and maintaining a power assembly of a locomotive diesel engine. In one embodiment of the invention, the testing apparatus comprises: a first test position for securing a strongback of a power assembly; a second test position for securing a cylinder head of the power assembly; and a third test position for securing a cylinder liner. In another embodiment of the invention, the testing method comprises: securing a power assembly to a first test position; removing a cylinder head from the power assembly; securing the cylinder head to a second test position; removing a cylinder liner from the strongback assembly; placing the cylinder liner into the third test position; cleaning the cylinder liner; testing the cylinder head for possible leakage; and re-assembling the power assembly cylinder head passes the leakage tests.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: June 28, 2016
    Assignee: NORFOLK SOUTHERN CORPORATION
    Inventors: Patrick E. Keister, Jeff M. Cutright
  • Patent number: 9366176
    Abstract: A system and method for cooling an internal combustion engine. In one embodiment of the invention a cooling system for an internal combustion engine is disclosed, comprising an engine; an intercooler for receiving combustion air from a turbocharger, the intercooler comprising an air-to-liquid heat exchanger for exchanging heat between the combustion air and a liquid coolant; an intercooler radiator; at least one engine coolant radiator; an expansion tank; an oil cooler; and at least one pump, wherein the dedicated fan is controlled by a temperature switch or controller and wherein the at least one engine coolant radiator and the intercooler radiator are located on opposite sides of the engine.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: June 14, 2016
    Assignee: NORFOLK SOUTHERN CORPORATION
    Inventors: Donald R. Faulkner, William B. Thompson, Patrick E. Keister, Eric C. Martin, Charles W. Murray
  • Publication number: 20140260578
    Abstract: A system and method for testing and maintaining a power assembly of a locomotive diesel engine. In one embodiment of the invention, the testing apparatus comprises: a first test position for securing a strongback of a power assembly; a second test position for securing a cylinder head of the power assembly; and a third test position for securing a cylinder liner. In another embodiment of the invention, the testing method comprises: securing a power assembly to a first test position; removing a cylinder head from the power assembly; securing the cylinder head to a second test position; removing a cylinder liner from the strongback assembly; placing the cylinder liner into the third test position; cleaning the cylinder liner; testing the cylinder head for possible leakage; and re-assembling the power assembly cylinder head passes the leakage tests.
    Type: Application
    Filed: May 30, 2014
    Publication date: September 18, 2014
    Applicant: NORFOLK SOUTHERN CORPORATION
    Inventors: Patrick E. Keister, Jeff M. Cutright
  • Patent number: 8739617
    Abstract: A system and method for testing and maintaining a power assembly of a locomotive diesel engine. In one embodiment of the invention, the testing apparatus comprises: a first test position for securing a strongback of a power assembly; a second test position for securing a cylinder head of the power assembly; and a third test position for securing a cylinder liner. In another embodiment of the invention, the testing method comprises: securing a power assembly to a first test position; removing a cylinder head from the power assembly; securing the cylinder head to a second test position; removing a cylinder liner from the strongback assembly; placing the cylinder liner into the third test position; cleaning the cylinder liner; testing the cylinder head for possible leakage; and re-assembling the power assembly cylinder head passes the leakage tests.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: June 3, 2014
    Assignee: Norfolk Southern Corporation
    Inventors: Patrick E. Keister, Jeff M. Cutright
  • Publication number: 20140060463
    Abstract: A system and method for cooling an internal combustion engine. In one embodiment of the invention a cooling system for an internal combustion engine is disclosed, comprising an engine; an intercooler for receiving combustion air from a turbocharger, the intercooler comprising an air-to-liquid heat exchanger for exchanging heat between the combustion air and a liquid coolant; an intercooler radiator; at least one engine coolant radiator; an expansion tank; an oil cooler; and at least one pump, wherein the dedicated fan is controlled by a temperature switch or controller and wherein the at least one engine coolant radiator and the intercooler radiator are located on opposite sides of the engine.
    Type: Application
    Filed: November 6, 2013
    Publication date: March 6, 2014
    Inventors: Donald R. Faulkner, William B. Thompson, Patrick E. Keister, Eric C. Martin, Charles W. Murray
  • Patent number: 8601986
    Abstract: A system and method for cooling an internal combustion engine. In one embodiment of the invention a cooling system for an internal combustion engine is disclosed, comprising an engine; an intercooler for receiving combustion air from a turbocharger, the intercooler comprising an air-to-liquid heat exchanger for exchanging heat between the combustion air and a liquid coolant; an intercooler radiator; at least one engine coolant radiator; an expansion tank; an oil cooler; and at least one pump, wherein the dedicated fan is controlled by a temperature switch or controller and wherein the at least one engine coolant radiator and the intercooler radiator are located on opposite sides of the engine.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: December 10, 2013
    Assignee: Norfolk Southern
    Inventors: Donald R. Faulkner, William B. Thompson, Patrick E. Keister, Eric C. Martin, Charles W. Murray
  • Publication number: 20120234266
    Abstract: A system and method for cooling an internal combustion engine. In one embodiment of the invention a cooling system for an internal combustion engine is disclosed, comprising an engine; an intercooler for receiving combustion air from a turbocharger, the intercooler comprising an air-to-liquid heat exchanger for exchanging heat between the combustion air and a liquid coolant; an intercooler radiator; at least one engine coolant radiator; an expansion tank; an oil cooler; and at least one pump, wherein the dedicated fan is controlled by a temperature switch or controller and wherein the at least one engine coolant radiator and the intercooler radiator are located on opposite sides of the engine.
    Type: Application
    Filed: March 17, 2011
    Publication date: September 20, 2012
    Inventors: Donald R. Faulkner, William B. Thompson, Patrick E. Keister, Eric C. Martin, Charles W. Murray
  • Publication number: 20120118055
    Abstract: A system and method for testing and maintaining a power assembly of a locomotive diesel engine. In one embodiment of the invention, the testing apparatus comprises: a first test position for securing a strongback of a power assembly; a second test position for securing a cylinder head of the power assembly; and a third test position for securing a cylinder liner. In another embodiment of the invention, the testing method comprises: securing a power assembly to a first test position; removing a cylinder head from the power assembly; securing the cylinder head to a second test position; removing a cylinder liner from the strongback assembly; placing the cylinder liner into the third test position; cleaning the cylinder liner; testing the cylinder head for possible leakage; and re-assembling the power assembly cylinder head passes the leakage tests.
    Type: Application
    Filed: November 11, 2011
    Publication date: May 17, 2012
    Inventors: Patrick E. Keister, Jeff M. Cutright