Improved burner constructions for gas-fired infra-red generators having ceramic fiber matrix through the thickness of which gaseous combustion mixture is passed and as it emerges it is burned to heat emerging surface to incandescence. Burner matrix can be loaded with silicon carbide particles to improve...http://www.google.es/patents/US4722681?utm_source=gb-gplus-sharePatente US4722681 - Infra-red generation
