US 12,331,917 B2
Heat sink
Brian Cornell, West Allis, WI (US); Alan Amundson, Milwaukee, WI (US); Duane W. Wenzel, Waukesha, WI (US); Dalton F. Hansen, Whitefish Bay, WI (US); and Tyler Young, Waukesha, WI (US)
Assigned to Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Filed by MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Filed on Dec. 22, 2023, as Appl. No. 18/395,151.
Application 18/395,151 is a continuation of application No. 17/057,268, granted, now 11,898,734, previously published as PCT/US2020/051000, filed on Sep. 16, 2020.
Claims priority of provisional application 62/901,439, filed on Sep. 17, 2019.
Prior Publication US 2024/0159388 A1, May 16, 2024
Int. Cl. F21V 29/74 (2015.01); F21L 4/00 (2006.01); F21V 29/508 (2015.01); F21V 29/60 (2015.01); F21V 29/71 (2015.01); H02J 7/00 (2006.01); F21W 131/10 (2006.01)
CPC F21V 29/74 (2015.01) [F21L 4/00 (2013.01); F21V 29/508 (2015.01); F21V 29/60 (2015.01); F21V 29/71 (2015.01); H02J 7/0042 (2013.01); F21W 2131/1005 (2013.01); H02J 7/0063 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A charger for an electrical device, the charger comprising:
a housing defining an interior cavity;
one or more openings formed in the housing; and
a heat sink disposed in the interior cavity of the housing and operable to dissipate heat produced in the housing, the heat sink positioned in a facing relationship with the one or more openings such that the heat sink is at least partially exposed to an exterior, the heat sink in heat transfer relationship with components of charger electronics of the charger, the heat sink including a fin portion having one or more fins extending to the one or more openings, at least one fin including a flange extending therefrom, the flange engaging the housing at an interface.