Invention Grant
- Patent Title: Fire damper for ventilating fan
- Patent Title (中): 用于通风风扇的防火阀
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Application No.: US13809254Application Date: 2011-07-26
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Publication No.: US09533179B2Publication Date: 2017-01-03
- Inventor: Min Long , Guancheng Hou
- Applicant: Min Long , Guancheng Hou
- Applicant Address: CN JP
- Assignee: Panasonic Ecology Systems Guangdong Co., LTD.,Panasonic Corporation
- Current Assignee: Panasonic Ecology Systems Guangdong Co., LTD.,Panasonic Corporation
- Current Assignee Address: CN JP
- Agency: RatnerPrestia
- Priority: CN201010244712 20100730
- International Application: PCT/CN2011/077595 WO 20110726
- International Announcement: WO2012/013138 WO 20120202
- Main IPC: F24F11/02
- IPC: F24F11/02 ; A62C2/12 ; F24F13/14 ; F24F7/013 ; A62C2/18 ; F24F11/00
Abstract:
A fire damper for a ventilating fan includes a shutter and a frame provided with a flange. An opening is provided on the frame. The frame is further provided with a movable component for covering or uncovering the opening.
Public/Granted literature
- US20130130613A1 FIRE DAMPER FOR VENTILATING FAN Public/Granted day:2013-05-23
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