Patent ID: 9086073
Filing Date: 2015-07-21
Classification: F04D

Abstract:
1. A blower assembly comprising: a housing including a fluid inlet and a spaced apart fluid outlet, the housing further including a first inlet feature at least partially circumscribing the fluid inlet; and a fan wheel disposed in the housing, the fan wheel including a hub, an inner ring axially spaced apart from the hub in a direction substantially parallel to an axis of rotation of the fan wheel, an outer ring radially outwardly spaced apart from the inner ring, and a plurality of outer blades extending substantially parallel to the axis of rotation of the fan wheel, wherein a first end of at least one of the outer blades is coupled to the hub and a second end of the at least one of the outer blades is coupled to the inner and the outer rings, wherein the first inlet feature of the housing spans a gap formed between the outer ring of the fan wheel and an inner wall of the housing and extends over the outer ring and between the inner ring and the outer ring.