US 12,295,127 B2
Thermal coupling element
Christoph Glassl, Munich (DE); and Christian Gert Voigt, Usingen (DE)
Assigned to AUDI AG, Ingolstadt (DE)
Filed by AUDI AG, Ingolstadt (DE)
Filed on Jan. 12, 2023, as Appl. No. 18/153,857.
Claims priority of application No. 102022100684.0 (DE), filed on Jan. 13, 2022.
Prior Publication US 2023/0225088 A1, Jul. 13, 2023
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/20854 (2013.01) [H05K 7/2049 (2013.01); H05K 7/20454 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A thermal coupling element, comprising:
an upper metal sheet and a lower metal sheet between which compression springs are arranged,
at least one shape memory wire which forms a temperature-dependent adjusting mechanism together with the compression springs,
a compressible heat conducting medium, which fills a space between the upper metal sheet and the lower metal sheet,
an adhesive layer arranged on an upper side of the upper metal sheet, and
a layer of an elastic heat conducting medium arranged on a lower side of the lower metal sheet,
wherein the upper metal sheet comprises a recess through which the at least one shape memory wire is guided, and
wherein a largest length portion of the at least one shape memory wire is located within the recess.