Patents Assigned to Detector Electronics (UK) Limited
  • Flame sensors and methods of sensing flame
    Patent number: 5464980
    Abstract: A flame sensor comprises a cell (10) containing an infra-red absorptive fluid such as carbon dioxide gas. Heating caused by absorption of the infra-red radiation is detected by measuring a resulting temperature or pressure change.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: November 7, 1995
    Assignees: Kidde-Graviner Limited, Detector Electronics (UK) Limited
    Inventors: David J. Spring, John D. King