Electrical resistance heater
US5053603A · kind A · utility
23Cited by
18References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1989 |
| Grant date | Oct 1, 1991 |
| Priority date | — |
| Expiry date | Mar 30, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B3/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flat array of a plurality of spiral wound resistance rods backed by a ceramic foam disc for use with filter apparatus for reducing particulates from exhaust gases of an engine. The array of resistance rods is electrically connected in parallel and can be energized by a 12 or 24 volt vehicle battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.