JPS5811635U - ventilation system - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

Fig. 1 is an external perspective view showing one embodiment of the present invention, Fig. 2 is a side sectional view of the same, Fig. 3 is a front view of the same, and Fig. 4 is a front view of another embodiment of the above. FIG. 5 is a front view of still another embodiment same as the above, in which 1 is an introduction fan, 2 is an introduction pipe,
4 is a discharge pipe, 5 is a heat pipe, and 6 is a switching means.

Claims (1)

[Claims for Utility Model Registration] An introduction pipe equipped with an introduction fan that takes outdoor air into the room, an exhaust pipe equipped with an exhaust fan that discharges indoor air to the outdoors, and a straight pipe type H5, = A gravity drop type heat pipe that is a double pipe and has one longitudinal end placed in the inlet pipe and the other end in the discharge pipe, and a heat pipe that transfers heat from the introduction pipe to the discharge pipe. and a switching means for reversing the vertical positional relationship of both ends of the heat pipe in the longitudinal direction between the position where the heat is transferred and the position where the heat is transferred from the inside of the discharge pipe to the inside of the introduction pipe, and the heat pipe is passed through the introduction pipe. Air and exhaust pipes. A ventilation system that brings outdoor air into a room at a temperature close to that of indoor air by mutually exchanging heat with the air passing through the road.