Patent ID: 9121414
Filing Date: 2015-09-01
Classification: F04D

Abstract:
1. A low-profile blower, comprising: a housing defining an interior space, the housing including an inlet and an outlet; wherein the housing has a first side and a second side joined by a sidewall; an electric motor assembly disposed within the interior space, the motor assembly comprising a backplate, the backplate being coupled to the housing; an impeller comprising a plurality of blades, the impeller being coupled with the motor assembly, the motor assembly configured to selectively rotate the impeller; wherein the impeller is configured to draw a fluid into the interior space of the housing via the inlet and to discharge the fluid from the interior space via the outlet; wherein the fluid proceeds through a portion of the interior space with a non-uniform velocity, the portion being in communication with the outlet; a filter disposed at least partly in the inlet such that at least some of the fluid passes through the filter, wherein the filter comprises a mesh and is integrated with the housing, wherein some of the housing is located in voids in the filter; a circuit board positioned in the interior space and below the impeller, the circuit board having an outer periphery and comprising a plurality of electronic components coupled to the circuit board; wherein the blades are axially disposed generally above the circuit board by an axial distance, the blades disposed at least partly within the outer periphery by a radial distance; at least one wire, the wire configured to supply electric power to the electric motor assembly; wherein the least one wire extends from outside the housing into the interior space; wherein at least one channel is formed in the housing, at least a portion of the channel being covered with a cover member; and wherein an exterior surface of the housing comprises a recess, the recess being configured to receive the cover member such that a surface of the cover member is generally flush with the exterior surface of the housing.