Patent · US Expired

Flame detection apparatus and methods

US5813849A · kind A · utility

18Cited by
10References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 7, 1996
Grant dateSep 29, 1998
Priority date
Expiry dateAug 7, 2016

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF23G7/085
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

The present invention provides improved acoustic flame detection apparatus and methods for detecting the presence or non-presence of a flame from a location remote from the flame. The flame detection apparatus is comprised of a conduit extending between the location of the flame to be detected and the remote location, a sound detector connected to the conduit for detecting sound conducted to it by the conduit and generating a signal representative thereof and means for receiving the signal and indicating the presence or non-presence of the flame in response thereto.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.