Multiblade centrifugal blower

Details Multiblade centrifugal blower Multiblade centrifugal blower

2011-06-28

2011-06-28

Nguyen, Ninh H (Department: 3745)

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

C415S205000, C416S185000, C416S228000, C416S24100B, C416S22300B

Reexamination Certificate

active

07967557

ABSTRACT:
A multiblade centrifugal blower includes a centrifugal fan including a hub rotated by a motor, and plural curved rectangular blades arranged at predetermined intervals in a circumferential direction of the hub forming a cylindrical basket with an opening on a front side of the hub, and a scroll casing including an air inlet and an air outlet, and houses the centrifugal fan inside to face the air inlet. A length from a rear end to an front end of an outer edge of the blade is shorter than a length from a rear end to an front end of an inner edge of the blade, and a bell mouth is configured such that distance between a tip part of the inner edge of the blade and an inner wall of the scroll casing is the minimum at an inner tip part P of the bell mouth of the air inlet.

REFERENCES:
patent: 1341882 (1920-06-01), Criqui
patent: 3217976 (1965-11-01), Downs
patent: 3650633 (1972-03-01), Benoit
patent: 4859140 (1989-08-01), Passadore
patent: 5813831 (1998-09-01), Matsunaga et al.
patent: 7331758 (2008-02-01), Arinaga et al.
patent: 2002/0021967 (2002-02-01), Kim et al.
patent: 2005260828 (2006-01-01), None
patent: 53 89607 (1978-07-01), None
patent: 57 51193 (1982-03-01), None
patent: 5-172097 (1993-07-01), None
patent: 10 54400 (1998-02-01), None
patent: 10 311294 (1998-11-01), None
patent: 2001 65493 (2001-03-01), None
patent: 2002 61597 (2002-02-01), None
patent: 2004 245087 (2004-09-01), None
patent: 2004 353665 (2004-12-01), None
patent: 2005 36736 (2005-02-01), None
patent: 2006 194245 (2006-07-01), None
patent: I274814 (2007-03-01), None
patent: WO 2006/006668 (2006-01-01), None
patent: WO 2006/126408 (2006-11-01), None

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