Fuel-fired heating appliance having flame indicator assembly
US9863636B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2014 |
| Grant date | Jan 9, 2018 |
| Priority date | — |
| Expiry date | Oct 22, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23N2231/22
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A flame indicator assembly for a fuel-fired heating appliance, the fuel-fired heating appliance including a burner assembly and control electronics. The flame indicator assembly comprises a flame sensor configured to allow the flow of electric current in response to exposure to a flame. The flame sensor is configured for electrical communication with the control electronics of the fuel-fired heating appliance. The flame indicator assembly also comprises a visual indicator module attached to the flame sensor. The visual indicator module comprises at least one light source. The visual indicator module is in operative communication with the flame sensor such that the at least one light source is actuated in response to the flow of electric current. A fuel-fired heating appliance comprising a flame indicator assembly is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.