Patents Assigned to Invensys Controls Limited
  • Safety module for fuel-burning appliance, and appliance using such a module
    Patent number: 7021925
    Abstract: The invention provides a safety module for connection to a fuel-burning appliance. The safety module connects to the existing circuitry of the appliance and triggers an alarm response when certain predetermined conditions are met. The safety module includes a CO sensor and a processor and can respond not only to acutely high CO levels but also to chronically high CO levels and lack of adherence to service schedules amongst other conditions. The safety module can also be programmed/reset.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: April 4, 2006
    Assignee: Invensys Controls Limited
    Inventor: Charles Perryman