| 摘要 |
PCT No. PCT/NO95/00087 Sec. 371 Date Nov. 27, 1996 Sec. 102(e) Date Nov. 27, 1996 PCT Filed May 31, 1995 PCT Pub. No. WO95/33959 PCT Pub. Date Dec. 14, 1995A device for an air valve, particularly for use with a fresh air inlet through a wall in a habitable room, and wherein the device comprises a receiver consisting substantially of air-tight material, and wherein the receiver is adapted to be tightly attached to the wall around the internal valve opening, and wherein the receiver is divided into an outer chamber and an inner chamber, a connection being established between the chambers. To the receiver is attached a bulb holder having a supply of electrical current for a bulb, so that the fresh air stream flows past the bulb and receives heat therefrom before it leaves the receiver and escapes into the habitable room. |
