Invention Grant
US09587642B2 Centrifugal fan and fan with sound-muffling box having the centrifugal fan built-in
有权
离心式风扇和带声音消声箱的风扇内置离心风机
- Patent Title: Centrifugal fan and fan with sound-muffling box having the centrifugal fan built-in
- Patent Title (中): 离心式风扇和带声音消声箱的风扇内置离心风机
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Application No.: US13989061Application Date: 2011-10-27
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Publication No.: US09587642B2Publication Date: 2017-03-07
- Inventor: Kouji Sinzaki , Daisuke Inoue
- Applicant: Kouji Sinzaki , Daisuke Inoue
- Applicant Address: JP Osaka
- Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Panasonic IP Management
- Agent Kerry S. Culpepper
- Priority: JP2010-263374 20101126
- International Application: PCT/JP2011/006012 WO 20111027
- International Announcement: WO2012/070187 WO 20120531
- Main IPC: F04D17/08
- IPC: F04D17/08 ; F04D29/42 ; F04D29/44
Abstract:
A centrifugal fan includes a casing side plate with a casing inlet, a spiral scroll, a tongue, a casing outlet, a main plate, a retaining ring, multiple blades arranged between the main plate and the retaining ring, and an air-intake space surrounded by the blades. The centrifugal fan further includes an airflow accelerator in the air-intake space for increasing an airflow speed of a gas toward the blades.
Public/Granted literature
- US20130243585A1 CENTRIFUGAL FAN AND FAN WITH SOUND-MUFFLING BOX HAVING THE CENTRIFUGAL FAN BUILT-IN Public/Granted day:2013-09-19
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