Patents by Inventor Parthipan SUBRAMANIAN

Parthipan SUBRAMANIAN 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 with top-down cooling
    Patent number: 11149679
    Abstract: An internal combustion engine having an engine block and one or more cylinder heads. The engine block houses a plurality of cylinder liners and includes a cylinder liner coolant jacket below an upper planar surface of the engine block and in fluid communication with the plurality of cylinder liners. The one or more cylinder heads are attached to the upper planar surface of the engine block and each of the one or more cylinder heads including one or more cylinder head coolant jackets and one or more downward coolant passages extending from the one or more cylinder head coolant jackets to the cylinder liner coolant jacket for delivering coolant from the one or more cylinder head coolant jackets to the cylinder liner coolant jacket.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: October 19, 2021
    Assignee: Caterpillar Inc.
    Inventors: Allen Yao Chen, Aaron Gary Heintz, Jason Lee Van Farowe, Thomas L. Atwell, David L. Lueders, John W. Milem, Phani Chandar Reddy Konatham, Suresh Babu Chennagowni, Khairul Hassan, Parthipan Subramanian
  • INTERNAL COMBUSTION ENGINE WITH TOP-DOWN COOLING
    Publication number: 20210254577
    Abstract: An internal combustion engine having an engine block and one or more cylinder heads. The engine block houses a plurality of cylinder liners and includes a cylinder liner coolant jacket below an upper planar surface of the engine block and in fluid communication with the plurality of cylinder liners. The one or more cylinder heads are attached to the upper planar surface of the engine block and each of the one or more cylinder heads including one or more cylinder head coolant jackets and one or more downward coolant passages extending from the one or more cylinder head coolant jackets to the cylinder liner coolant jacket for delivering coolant from the one or more cylinder head coolant jackets to the cylinder liner coolant jacket.
    Type: Application
    Filed: February 14, 2020
    Publication date: August 19, 2021
    Applicant: Caterpillar Inc.
    Inventors: Allen Yao Chen, Aaron Gary Heintz, Jason Lee Van Farowe, Thomas L. Atwell, David L. Lueders, John W. Milem, Phani Chandar Reddy Konatham, Suresh Babu Chennagowni, Khairul Hassan, Parthipan Subramanian
  • SPARK PLUG ASSEMBLY HAVING IMPROVED COOLING
    Publication number: 20160363094
    Abstract: A spark plug assembly is disclosed for use with an engine having a cylinder head at feast partially defining a combustion chamber. The spark plug assembly may have a spark plug at least partially disposed in the cylinder head and configured to generate a spark Inside the combustion chamber to ignite an air and fuel mixture. The spark plug assembly may also have an insert configured to receive the spark plug and at least partially form a cooling passage surrounding the spark plug.
    Type: Application
    Filed: June 15, 2015
    Publication date: December 15, 2016
    Applicant: CATERPILLAR INC.
    Inventors: Aaron C. LUFT, James CRESS, Jeff Allen Howard, Joshua Andrew HYDE, Parthipan SUBRAMANIAN