Back to results
US 2016/0102676 A1Published application
Fan and method of cooling a motor
AssigneesRegal Beloit Corporation Management (Shanghai) Co., Ltd., Marathon Electric India PVT. LTD., Regal Beloit Corporation (Wuxi) Co., Ltd.
InventorsShawn You, Umesh M. Sawarkar, ShunRui Wu
Life of this patent
Estimating the term…
Abstract
A fan comprises a hub and at least one blade coupled to the hub. The blade comprises an inlet portion and an outlet portion. The inlet portion is defined by a longitudinal axis, an inlet edge, and a portion of a distal edge. The outlet portion is defined by the longitudinal axis, an outlet edge, and another portion of the distal edge.
Claims20
An axial fan comprising:
- a hub defining a center of said axial fan;
- a guide surrounding said hub, said guide defining at least one opening that facilitates airflow on an outlet side of said axial fan;
- and
- at least one blade coupled to said hub and extending radially outward from said hub, said guide bisecting said at least one blade along a blade longitudinal axis, said blade longitudinal axis defining an inlet portion and an outlet portion of said at least one blade.
1 more element
A fan comprising:
- a hub defining a center of the fan;
- a blade coupled to said hub, said blade extending radially outward from said hub and having a longitudinal axis, said blade comprising:
- an inlet distal tip spaced a first radial distance from a first hub connection point,
- an outlet distal tip spaced a second radial distance from said first hub connection point,
- a distal edge extending between said inlet distal tip and said outlet distal tip;
- an inlet edge extending between said inlet distal tip and said first hub connection point;
- and
- an outlet edge extending between said outlet distal tip and a second hub connection point, wherein an inlet portion of said blade is defined by said longitudinal axis, said inlet edge, and a first portion of said distal edge, and wherein an outlet portion of said blade is defined by said longitudinal axis, said outlet edge, and a second portion of said distal edge.
5 more elements
A method of cooling an enclosed motor using a fan coupled to the motor, the method comprising:
- providing the fan comprising an impeller with a plurality of blades and a guide coupled to the plurality of blades, a first blade of the plurality of blades having an inlet portion and a second blade of the plurality of blades having an outlet portion;
- rotating the impeller to draw air into the fan on an inlet side such that air contacts the inlet portion of the first blade;
- and
- directing air through an opening in the guide towards an outlet side of the fan such that air contacts the outlet portion of the second blade.
1 more element
Dependencies are inferred from the claim text.