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1. (WO2018158970) VENTILATION FAN

Pub. No.:    WO/2018/158970    International Application No.:    PCT/JP2017/022792
Publication Date: Sat Sep 08 01:59:59 CEST 2018 International Filing Date: Thu Jun 22 01:59:59 CEST 2017
IPC: F24F 7/013
Applicants: MITSUBISHI ELECTRIC CORPORATION
三菱電機株式会社
Inventors: NAKATANI, Kaoru
中谷 馨
Title: VENTILATION FAN
Abstract:
This ventilation fan (1) has: a frame (2) having a flange on the room interior side; an electric motor (3) disposed within the frame (2); a fan (4) provided in a mountable and demountable manner to the rotating shaft of the electric motor (3); an orifice (7) fitted to the flange and serving as an air channel for conducting air to the fan (4); a shutter (6) disposed on the outdoors (100) side of the frame (2); and a rainwater guide surface (9) disposed above the bottom surface (5) of the frame (2). The bottom surface (5) of the frame (2) is a sloped surface sloping downward toward the outdoors (100). The rainwater guide surface (9) is a sloped surface sloping downward toward the room interior (99).