ATBECHDE..ESFR....ITLILUNLSE......................R0390326EUROPEAN PATENT APPLICATIONA319901205EP90301869.519900221enenen890401319890222GB891891619890818GB19901205199049199010031990405 5F 24H 3/00 A 5F 24H 1/34 B 5F 24H 9/00 BdeGasbeheizte Vorrichtung und elektrischer SteuerschaltkreisenGas heating unit and electrical control circuit thereforfrAppareil de chauffage au gaz et circuit de commande électriqueCANNON INDUSTRIES LIMITED01065650CN/3600 EPGough RoadBilston West Midlands WV14 8XRGBPompe, Anthony Lawrence AlfredHafod-y-BrynLlanbedr, Gwynedd, WalesGBChurm, Peter John14 Highgrove Place, DudleyWest Midlands, DY1 2SRGBEvans, Peter4, Upton CourtErdington, Birmingham B23 7YZGBSperling, David (GB)et al0003624087 Hendon WayGB-London NW2 2LYGBATBECHDEESFRITLILUNLSE19901205199049

A combustible gas heating system for an accommodation unit, comprising a room sealed heating unit incorporating a combustion box (4) which houses a gas burner (10) and means for conveying combustible gas to the burner, an inlet duct (1) for conveying air into the combustion box, and an outlet duct (7) for conveying products of combustion and excess air from the combustion box for discharge through the floor (3) of the accommodation unit, and a fan (12) operative to produce a forced flow of air through the system from the inlet to the outlet duct.

Also, a control circuit has a storage capacitor for instantaneous gas valve closure when electric power is interrupted.