JPS63178733U - - Google Patents

Description

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a vertical cross-sectional view of the livestock barn, FIG. 2 is an enlarged vertical cross-sectional view of the blower, FIG. 3 is a cross-sectional view of FIG. The figure is a schematic cross-sectional view of each part showing an example of use. H... Livestock barn, A... Air blower, 2... Case, 6... Upper chamber, 7... Lower chamber, 8... Outside air intake port, 9... Inside air intake port, 13... Outside air outlet, 14... Inside air outlet, 1
5... Fan for outside air, 16... Fan for inside air.

Claims (1)

[Scope of Claim for Utility Model Registration] A blower device is installed in the upper part of the indoor room, and the blower device is provided with a partition plate inside the case to divide the inside of the case into an upper and a lower chamber, and the above-mentioned blower device is installed at the upper end of the case. An outside air inlet that communicates the room with outside air is provided at the lower end, and an inside air inlet that opens the lower chamber indoors at the lower end, and an outside air outlet that communicates with the upper chamber and an outside air outlet that communicates with the lower chamber are provided on the side of the case. Inside air outlets are opened vertically adjacent to each other with the partition plate as a boundary, and an outside air fan is installed in the upper chamber to draw outside air into the upper chamber from the outside air intake port and blow it indoors from the outside air outlet. A ventilation system, wherein inside air fans are installed in the lower chamber, respectively, sucking inside air into the lower chamber from the inside air intake port and blowing it indoors from the inside air outlet.