Invention Grant
- Patent Title: Compact scroll fan assembly
- Patent Title (中): 紧凑型滚动风扇总成
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Application No.: US13224031Application Date: 2011-09-01
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Publication No.: US09127691B2Publication Date: 2015-09-08
- Inventor: Ronald A. Hagen , Keith K. McLaughlin
- Applicant: Ronald A. Hagen , Keith K. McLaughlin
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Kenneth B. Wood
- Main IPC: F04D29/42
- IPC: F04D29/42 ; A62B7/10 ; F04D25/06 ; F04D17/16
Abstract:
A radial fan assembly for use in a powered air purifying respirator includes at least an impeller, a printed circuit board and a scroll casing. The scroll casing has a first and a second scroll casing element. The second scroll casing element includes at least a portion of the printed circuit board. When the radial fan assembly is used in a powered air purifying respirators, the respirator may also include components such as a filter assembly.
Public/Granted literature
- US20120051904A1 COMPACT SCROLL FAN ASSEMBLY Public/Granted day:2012-03-01
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