Patents by Inventor Mathew Paul Nicholson

Mathew Paul Nicholson 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).

  • Internal combustion engine and a method of operation of an internal combustion engine
    Patent number: 9163559
    Abstract: An internal combustion engine and a method of operation are described involving: supplying intake gas from an intake manifold (18) to an air intake port of a combustion chamber in a cylinder (11); selectively operating an air intake valve using a first operating profile (30) and, on demand, switching selective operation of the air intake valve to a second operating profile (31) in which the closing of the air intake valve is delayed compared to the closing of the air intake valve using the first operating profile; wherein at the point (43) of or prior to switching from the first operating profile to the second operating profile the pressure of the intake gas in the intake manifold is increased.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: October 20, 2015
    Assignee: Perkins Engines Company Limited
    Inventors: Mathew Paul Nicholson, Christopher Thorne