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1. (WO2010116466) DUCT CONNECTION OPENING AND VENTILATION DEVICE

Pub. No.:    WO/2010/116466    International Application No.:    PCT/JP2009/056554
Publication Date: Fri Oct 15 01:59:59 CEST 2010 International Filing Date: Tue Mar 31 01:59:59 CEST 2009
IPC: F24F 7/08
Applicants: Mitsubishi Electric Corporation
三菱電機株式会社
NARUSE, Yuuhei
成瀬 裕平
FUJII, Yoshinori
藤井 嘉範
AOKI, Hiroki
青木 裕樹
YOSHIMURA, Tsuneo
吉村 恒夫
Inventors: NARUSE, Yuuhei
成瀬 裕平
FUJII, Yoshinori
藤井 嘉範
AOKI, Hiroki
青木 裕樹
YOSHIMURA, Tsuneo
吉村 恒夫
Title: DUCT CONNECTION OPENING AND VENTILATION DEVICE
Abstract:
Disclosed is a duct connection opening which is fitted to a ventilation device housing an air blower and has an air-supply duct or air-exhaust duct connected thereto. The duct connection opening includes an air passage through which supplied airflow or exhausted airflow from the ventilation device is able to pass, and an insulating portion provided to overlie the air passage and cover the perimeter of the air passage, and a holding mechanism for holding the insulating portion is provided in the air passage. The holding mechanism comprises a protruding portion formed in the air passage, and an engaging portion formed to be able to bend with respect to the air passage, and the engaging portion is able to be bent so as to engage with the protruding portion and grip the insulating portion with the air passage.