Patents by Inventor Robert Grundner

Robert Grundner 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: 11519357
    Abstract: Various embodiments of the present disclosure are directed to an internal combustion engine cylinder head. In one example embodiment, the cylinder head includes a combustion chamber, a fire deck, an intermediate deck remote from a combustion chamber, a central receptacle that receives an injection or ignition device, at least one valve bridge, at least two adjacent gas exchange valves, a top-down cooling system, at least one first transfer opening, and at least one second transfer opening. The top-down cooling system including a first sub-cooling chamber and a second sub-cooling chamber. The at least one first transfer opening positioned between the first sub-cooling chamber and the second sub-cooling chamber. The at least one second transfer opening positioned between the first sub-cooling chamber and the second sub-cooling chamber is arranged in the region in the region of the at least one valve bridge between the at least two adjacent gas exchange valves.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: December 6, 2022
    Assignee: AVL LIST GMBH
    Inventors: Andreas Zurk, Martin Klampfer, Robert Grundner
  • Publication number: 20220170428
    Abstract: Various embodiments of the present disclosure are directed to an internal combustion engine cylinder head. In one example embodiment, the cylinder head includes a combustion chamber, a fire deck, an intermediate deck remote from a combustion chamber, a central receptacle that receives an injection or ignition device, at least one valve bridge, at least two adjacent gas exchange valves, a top-down cooling system, at least one first transfer opening, and at least one second transfer opening. The top-down cooling system including a first sub-cooling chamber and a second sub-cooling chamber. The at least one first transfer opening positioned between the first sub-cooling chamber and the second sub-cooling chamber. The at least one second transfer opening positioned between the first sub-cooling chamber and the second sub-cooling chamber is arranged in the region in the region of the at least one valve bridge between the at least two adjacent gas exchange valves.
    Type: Application
    Filed: March 20, 2020
    Publication date: June 2, 2022
    Inventors: Andreas Zurk, Martin Klampfer, Robert Grundner
  • Patent number: 11105294
    Abstract: A cylinder head of an internal combustion engine, comprising at least one cylinder, a cooling jacket arrangement with a first cooling jacket arranged in the region of a longitudinal central plane of the cylinder head, a second cooling jacket facing a fire deck of the cylinder head, and a third cooling jacket facing away from the fire deck, wherein the first cooling jacket and the second cooling jacket are flow connected to the third cooling jacket via at least one first transfer section and at least one second transfer section respectively.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: August 31, 2021
    Assignee: AVL List GmbH
    Inventors: Christof Knollmayr, Gerhard Feldhofer, Robert Grundner
  • Publication number: 20200248646
    Abstract: A cylinder head of an internal combustion engine, comprising at least one cylinder, a cooling jacket arrangement with a first cooling jacket arranged in the region of a longitudinal central plane of the cylinder head, the a second cooling jacket facing a fire deck of the cylinder head, and a third cooling jacket facing away from the fire deck wherein the first cooling jacket and the second cooling jacket are flow connected to the third cooling jacket via at least one first transfer section and at least one second transfer section respectively.
    Type: Application
    Filed: February 28, 2018
    Publication date: August 6, 2020
    Inventors: Christof Knollmayr, Gerhard Feldhofer, Robert Grundner