Patents by Inventor Sarah Rutledge

Sarah Rutledge 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).

  • Fuel Injector
    Publication number: 20160115925
    Abstract: A fuel injector for injecting fuel vapor into a combustion chamber of an internal combustion engine is disclosed. The fuel injector may be configured to reduce production of particulate matter during combustion of fuel. The fuel injector may have a spray nozzle having a tip and a plurality of spray discharge orifices formed on the tip. The plurality of spray discharge orifices being configured to discharge fuel vapor at a flow rate of 750-795 cc/min.
    Type: Application
    Filed: May 19, 2014
    Publication date: April 28, 2016
    Applicant: Perkins Engines Company Limited
    Inventors: James Darley, Sarah Rutledge, Colin White
  • Method and Apparatus for Exhaust Gas Aftertreatment Device Warming
    Publication number: 20160061128
    Abstract: To help meet exhaust gas emissions standards, an internal combustion engine may have an exhaust gas aftertreatment device located in its exhaust gas stream. However, the exhaust gas aftertreatment device may only operate effectively above a minimum threshold temperature. In the present disclosure there is provided a method and apparatus for warming the exhaust gas aftertreatment device and a method and apparatus for controlling when exhaust gas aftertreatment device warming should be initiated and stopped.
    Type: Application
    Filed: April 16, 2014
    Publication date: March 3, 2016
    Applicant: Perkins Engines Company Limited
    Inventors: Matthew Nicholson, Sarah Rutledge, Daniel Cunliffe, Peter Ladlow