Patents by Inventor Perry Betzler

Perry Betzler 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).

  • Method and device for operating an internal combustion engine
    Patent number: 8671898
    Abstract: In a method for operating an internal combustion engine having at least one cylinder which includes a first exhaust valve and a second exhaust valve, the internal combustion engine is operated in a scavenging operating mode in that the closing times of the exhaust valves after an ejection stroke of a four-stroke operating cycle are situated after an opening time of an intake valve, and the second exhaust valve is opened with a time delay relative to the first exhaust valve in the scavenging operating mode.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: March 18, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Martin Brandt, Perry Betzler
  • METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE
    Publication number: 20130042827
    Abstract: In a method for operating an internal combustion engine having at least one cylinder which includes a first exhaust valve and a second exhaust valve, the internal combustion engine is operated in a scavenging operating mode in that the closing times of the exhaust valves after an ejection stroke of a four-stroke operating cycle are situated after an opening time of an intake valve, and the second exhaust valve is opened with a time delay relative to the first exhaust valve in the scavenging operating mode.
    Type: Application
    Filed: August 16, 2012
    Publication date: February 21, 2013
    Inventors: Martin Brandt, Perry Betzler