Patents by Inventor Michael Gröger

Michael Gröger 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).

  • Four-stroke internal combustion engine comprising an engine brake
    Patent number: 9371780
    Abstract: A four-stroke internal combustion engine having an engine brake, at least one exhaust valve per cylinder, each valve actuated by a camshaft and at least one first valve lever arrangement, and a device which advances the exhaust control, with the valve lever arrangement having an exhaust lever actuated by an exhaust cam and a brake lever actuated by a brake cam. The brake lever has a first brake lever part on the side of the camshaft and a second brake lever part on the side of the exhaust valve, with the two brake lever parts being rotatably mounted independent of each other about a lever axis and being rotationally connectable with each other in engine braking operation by a locking element which is adjustable between two positions.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: June 21, 2016
    Assignee: AVL LIST GMBH
    Inventors: Gyula Toth, Michael Gröger
  • FOUR-STROKE INTERNAL COMBUSTION ENGINE COMPRISING AN ENGINE BRAKE
    Publication number: 20130269652
    Abstract: A four-stroke internal combustion engine having an engine brake, at least one exhaust valve per cylinder, each valve actuated by a camshaft and at least one first valve lever arrangement, and a device which advances the exhaust control, with the valve lever arrangement having an exhaust lever actuated by an exhaust cam and a brake lever actuated by a brake cam. The brake lever has a first brake lever part on the side of the camshaft and a second brake lever part on the side of the exhaust valve, with the two brake lever parts being rotatably mounted independent of each other about a lever axis and being rotationally connectable with each other in engine braking operation by a locking element which is adjustable between two positions.
    Type: Application
    Filed: August 29, 2011
    Publication date: October 17, 2013
    Applicant: AVL LIST GMBH
    Inventors: Gyula Toth, Michael Gröger