Combustion appliance with a safety device
Patent
·
OSTI ID:6459983
There is provided a combustion appliance with a safety device. An oxygen partial pressure sensor made up of a transition metal oxide or rare earth metal oxide is normally disposed in a position in which the excess air ratio downstream of a flame formed by a burner can be detected and, at times of abnormality, within the flame. The resistance change of said oxygen partial pressure is detected and the combustion is stopped when incomplete combustion occurs due to oxygen depression, clogging of the primary air orifice of the burner or clogging of the combustion chamber with the products of combustion.
- Assignee:
- Matsushita Electric Industrial Co Ltd (Japan)
- Patent Number(s):
- US 4358265
- OSTI ID:
- 6459983
- Resource Relation:
- Patent Priority Date: Priority date 15 Jun 1979, Japan; Other Information: PAT-APPL-156196
- Country of Publication:
- United States
- Language:
- English
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