Patents by Inventor David Charles Orr

David Charles Orr 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).

  • System for controlling noise and temperature in a vehicle cab
    Patent number: 6655339
    Abstract: A system is disclosed for controlling engine vibration, noise, and temperature in a cab of a vehicle including a crankshaft rotated by and extending from an engine. A flywheel generator system is operatively mounted on the engine. The flywheel generator system is configured to actively dampen crankshaft vibrations and to generate electricity. The system also includes a temperature control unit electrically coupled to the flywheel generator system. The temperature control unit is configured to control the temperature in the vehicle cab.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: December 2, 2003
    Assignee: Caterpillar Inc
    Inventor: David Charles Orr