JPS6280139U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing one embodiment of this invention, Fig. 2 is an electric circuit diagram of the device of this invention, Fig. 3 is a sectional view showing another embodiment of this invention, and Fig. 4 is a sectional view of this invention. FIG. 5 is a front view of the conventional ventilation device, and FIG. 6 is a sectional view of the conventional ventilation device. Note that the same reference numerals in the figures indicate the same or equivalent parts. 1 is a total heat type heat exchanger, 2 is an exhaust fan, 3 is an intake fan, 5 is a heater, 6 is an outer box, 18 is an exhaust side suction port, 19 is an intake side suction port, and 21 is a double-shaft electric motor.

Claims (1)

[Claims for Utility Model Registration] (1) A heat exchanger that exchanges heat between the exhaust gas absorbed from inside the room and discharged outside into the outer box and the outside air drawn from outside and supplied into the room, rotating on both sides. An exhaust fan is driven by a double-shaft electric motor with a protruding shaft and supplies air sucked from the room into the exhaust passage of the heat exchanger; an exhaust fan is driven by the double-shaft electric motor and supplies outside air sucked from outside to the heat exchanger. An air conditioning ventilation system comprising: an intake fan for supplying air to an intake passage; and a heater disposed in the exhaust passage. (2) The air conditioning ventilation system according to claim 1 of the utility model registration, characterized in that the heater is attached to the suction port on the exhaust side. (3) The air conditioning ventilation system according to claim 1, wherein the heater is attached to the exhaust side suction port and the intake side suction port.