Yu Wei Wang

US Patent:

20090241586, Oct 1, 2009

Filed:

Mar 17, 2009

Appl. No.:

12/405467

Inventors:

Yu Wang - White River Junction VT, US

International Classification:

F25D 17/06
F04D 29/44
F28F 13/12
F25B 1/00

US Classification:

62426, 415206, 165121, 62498

Abstract:

A blower fan of a fan coil unit includes a fan wheel including a first end ring, a second end ring, and a plurality of blades that extend between the first end ring and the second end ring. The plurality of blades define a wheel inner diameter, and each of the first end ring and the second end ring define an end ring inner diameter. The blower fan also includes a housing including an inlet orifice having an orifice diameter. The fan wheel is located within the housing. The orifice diameter is substantially equal to the end ring inner diameter and greater than the wheel inner diameter.

US Patent:

20090241587, Oct 1, 2009

Filed:

Mar 17, 2009

Appl. No.:

12/405501

Inventors:

Yu Wang - White River Junction VT, US

International Classification:

F25D 17/06
F04D 29/28
F28F 13/12
F25B 1/00

US Classification:

62426, 416182, 165121, 62498

Abstract:

A fan wheel of a blower fan includes a first base portion including a first flange, a second base portion including a second flange and a plurality of blades extending between the first base portion and the second base portion. The fan wheel is rotatable about an axis of rotation. A first end ring is attached to an inner perimeter of the first base portion, the first end ring including a third flange that extends outwardly relative to the axis of rotation. A second end ring is attached to an inner perimeter of the second base portion, the second end ring including a fourth flange that extends outwardly relative to the axis of rotation.