US 12,348,117 B2
Heatsink
David Morgan, Hethel (GB); and Liam Bowman, Hethel (GB)
Assigned to ETA GREEN POWER LIMITED, (GB)
Filed by ETA GREEN POWER LIMITED, Hethel (GB)
Filed on Nov. 29, 2022, as Appl. No. 18/070,868.
Claims priority of application No. 2117309 (GB), filed on Nov. 30, 2021; and application No. 2216860 (GB), filed on Nov. 11, 2022.
Prior Publication US 2023/0170766 A1, Jun. 1, 2023
Int. Cl. H02K 9/22 (2006.01); H02K 5/18 (2006.01); H02K 5/20 (2006.01)
CPC H02K 9/227 (2021.01) [H02K 5/18 (2013.01); H02K 5/207 (2021.01)] 15 Claims
OG exemplary drawing
 
1. A heatsink for removing heat from a heat source, the heatsink comprising:
a surface for placing adjacent to the heat source comprising a plurality of cavities formed into the surface, the plurality of cavities open on a side of the surface away from the side of the surface for placing adjacent to the heat source; and
a plurality of projections, each projection extending from the surface adjacent to a corresponding cavity;
wherein each cavity comprises a throat region configured to restrict the flow of air between each respective cavity and the region between a corresponding pair of projections extending from the surface adjacent to the cavity;
wherein the plurality of projections comprises a plurality of fins extending from the surface, wherein each of the plurality of fins have a camber extending away from the surface adjacent to each cavity, and wherein each of the plurality of fins have an aerofoil shape when viewed in a plane perpendicular to the surface.