| 摘要 |
PURPOSE:To make a heat exchanging portion compact while facilitate the regulation of the mixing ratio of warm air/cool air by integrally forming the heat exchanging member of an air heater and the heat exchanging member of an air cooler in a multiple layer form and forming this into a cylindrically wound shape. CONSTITUTION:A refrigerant pipe 17 and a hot water pipe 18 are spirally provided in a vertically-placed spiral cooler/heater 16 which is installed in an air conditioner and in which an evaporator and a heater core are integrally formed. Also, a heat insulating board 19 is placed between both heat transfer pipes 17, 18, and fins 20c, 20h are provided between the heat insulating board 19 and each heat transfer pipe 17, 18. Air flows through these fins 20c, 20h. In order to regulate the quantity of warm air and cool air at the outlet of such cooler/heater 16, warm-air/cool-air regulators 21, 22 are provided. A spiral groove hole (the void portion) 33 is provided in a disk in each of the regulators 21, 22 and, by rotating the regulator 22, the negative detour opening area of the warm air zone is changed to regulate air temperature. |
