In accordance with an aspect of the present disclosure, a power tool has an electric motor having a stator disposed in a field case. The stator has field coils having opposed axial ends that extend axially outwardly from opposed axial ends of a lamination stack of the stator. An armature is disposed in the stator and has a shaft on which a fan is disposed. There are gaps between the opposed axial ends of the respective field coils. The fan baffle includes an air direction member that extends into one of the gaps to direct air flow between the armature and the stator. In an aspect, the fan baffle includes a plurality of such members, one for each gap.
申请公布号
WO2010021963(A2)
申请公布日期
2010.02.25
申请号
WO2009US53986
申请日期
2009.08.17
申请人
BLACK & DECKER INC.;MILLER, PHILIP, T.;FRIEDMAN, BRIAN, E.