Ignitor with metering orifice insert
US5462431A · kind A · utility
9Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 11, 1994 |
| Grant date | Oct 31, 1995 |
| Priority date | — |
| Expiry date | Apr 11, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23Q3/006
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A fuel enriched ignitor for a fuel gas burner appliance wherein a fuel enricher tube is provided with a coupling having a threaded insert which, by way of a metering orifice, matches the enricher tube to the particular fuel gas being used. By both two-element and three-element ignitors are disclosed. The ignitor is also illustrated in a gas supply system having a single main valve which serves both the enricher tube and the primary appliance burner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.