Blower unit and portable blower

Details Blower unit and portable blower Blower unit and portable blower

2011-03-01

2011-03-01

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

C415S199500, C415S211200, C415S218100, C415S219100, C415S220000, C415S227000

Reexamination Certificate

active

07896612

ABSTRACT:
A blower unit for a portable blower, having a drive shaft that is rotatably driven by a drive motor. Disposed in the blower unit is an axial fan that is provided with at least one fan wheel driven by the drive shaft and at least guide wheel fixedly disposed in the housing. To achieve a simple construction and a simple manufacture, the housing has at least two housing sections and is divided approximately parallel to the axis of rotation of the drive shaft.

REFERENCES:
patent: 4683370 (1987-07-01), Petersen et al.
patent: 5839205 (1998-11-01), Hung
patent: 6367162 (2002-04-01), Fukumoto et al.
patent: 6460272 (2002-10-01), Cheng
patent: 6551060 (2003-04-01), Mordue et al.
patent: 6738564 (2004-05-01), Tung

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