Patents by Inventor Michael A. Bostelman

Michael A. Bostelman 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).

  • Engine compression braking system for an internal combustion engine
    Patent number: 4648365
    Abstract: An engine compression braking system for an internal combustion engine is provided which utilized a combination of a hydraulic reset mechanism and a lash take-up device. The mechanism and take-up device assure that the engine exhaust valves are closed, or substantially closed, prior to the normal opening of the exhaust valves during the power stroke of the engine drive pistons without adversely affecting the retarding horsepower produced by the engine during a braking mode.
    Type: Grant
    Filed: November 26, 1985
    Date of Patent: March 10, 1987
    Assignee: Cummins Engine Company, Inc.
    Inventor: Michael A. Bostelman
  • Automatic lash adjustment for engine compression brake
    Patent number: 4475500
    Abstract: A braking system for an internal combustion engine having a gas compressing combustion engine piston reciprocally mounted within an engine cylinder from which gas may be exhausted by opening an exhaust valve by means of a slave hydraulic piston.
    Type: Grant
    Filed: December 28, 1983
    Date of Patent: October 9, 1984
    Assignee: Cummins Engine Company, Inc.
    Inventor: Michael A. Bostelman