Patents by Inventor John T. Allington

John T. Allington 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).

  • Runaway engine shutdown using compression inhibiting mechanism
    Patent number: 7207309
    Abstract: An engine that is operating with a combustible intake mixture may begin in to runaway, or in other words, uncontrollably operate at excessive speeds. In order to shutdown a runaway engine, the present disclosure determines whether an engine is operating in a runaway condition. If the engine is operating in the runaway condition, a compression inhibiting mechanism is moved from a first position in which compression ignition can occur within at least one combustion chamber and a second position in which compression ignition cannot occur within the at least one combustion chamber.
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: April 24, 2007
    Assignee: Caterpillar Inc
    Inventors: Todd M. Adams, Scott M. Schwartz, John T. Allington