Patents Assigned to Sonell Products Limited
  • Fuel economizer devices
    Patent number: 4432332
    Abstract: There is described a method of and a fuel economizer device for reducing the fuel comsumption of an internal combustion engine. The device is in the form of a body having an outlet to the engine and a pair of inlets for admission of additional air. The inlets are controlled by pressure operated valves.
    Type: Grant
    Filed: July 17, 1981
    Date of Patent: February 21, 1984
    Assignee: Sonell Products Limited
    Inventors: John McFarlane, Andrew Guy