Patents by Inventor Dale E. Koekenberg

Dale E. Koekenberg 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: 8881762
    Abstract: An engine air shutoff valve system with an improved sensor that facilitates a position detection of the shutoff valve is disclosed. The air shutoff valve system may include a shutoff valve, an indicator, and at least one solid-state proximity sensor. The shutoff valve is moveable between an open and closed position. The indicator is operatively coupled to the shutoff valve. The indicator is movable between a normal state and a tripped state in respective correspondence with the open and closed positions of the shutoff valve. At least one solid-state proximity sensor can be configured to detect when the indicator is in the tripped state.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: November 11, 2014
    Assignee: Caterpillar Inc.
    Inventors: Travis S. Johnson, Matthew J. Miller, Michael E. Kenning, Jason M. Brown, Dale E. Koekenberg
  • Publication number: 20130000730
    Abstract: An engine air shutoff valve system with an improved sensor that facilitates a position detection of the shutoff valve is disclosed. The air shutoff valve system may include a shutoff valve, an indicator, and at least one solid-state proximity sensor. The shutoff valve is moveable between an open and closed position. The indicator is operatively coupled to the shutoff valve. The indicator is movable between a normal state and a tripped state in respective correspondence with the open and closed positions of the shutoff valve. At least one solid-state proximity sensor can be configured to detect when the indicator is in the tripped state.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 3, 2013
    Applicant: Caterpillar Inc.
    Inventors: Travis S. Johnson, Matthew J. Miller, Michael E. Kenning, Jason M. Brown, Dale E. Koekenberg