MIXED FLOW FAN
First Claim
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1. A mixed flow fan having a housing, a stator, and an impeller,:
- said mixed flow fan comprising;
(a) said housing having a downward extending skirt with an upper perimeter as air inlet and a lower perimeter as air exhaust, a central hub with an outer edge, and a plurality of struts connected to said upper perimeter of said skirt at a first end and to the outer edge of said central hub at a second end;
(b) said impeller having an outer wall with a plurality blades attached thereto and a stator cup with an inner cup wall and an outer cup wall further comprising a permanent magnet disposed on said inner cup wall, said stator cup connected to said outer wall of said impeller; and
(c) said stator connected to said central hub.
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Abstract
A mixed flow fan having a housing, a stator, and an impeller, with the housing having a downward extending skirt and an upper perimeter as air inlet and a lower perimeter as air exhaust, a central hub with an outer edge, and a plurality of struts connected to the upper perimeter of the skirt and to the outer edge of the central hub. The outer edge of the central hub may be concave or curvilinear or conical. A stator cup which houses the motor is connected to the outer wall of the impeller and to the central hub.
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Citations
12 Claims
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1. A mixed flow fan having a housing, a stator, and an impeller,:
- said mixed flow fan comprising;
(a) said housing having a downward extending skirt with an upper perimeter as air inlet and a lower perimeter as air exhaust, a central hub with an outer edge, and a plurality of struts connected to said upper perimeter of said skirt at a first end and to the outer edge of said central hub at a second end; (b) said impeller having an outer wall with a plurality blades attached thereto and a stator cup with an inner cup wall and an outer cup wall further comprising a permanent magnet disposed on said inner cup wall, said stator cup connected to said outer wall of said impeller; and (c) said stator connected to said central hub. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
- said mixed flow fan comprising;
Specification