US 12,108,519 B2
Assembly of an electronic board and a heat sink, and motor-fan unit comprising such an assembly
Ismaël Franco, Le Mesnil Saint-Denis (FR); Biagio Provinzano, Le Mesnil Saint-Denis (FR); and Onur Tas, Le Mesnil Saint-Denis (FR)
Assigned to VALEO SYSTEMES THERMIQUES, Le Mesnil-Saint-Denis (FR)
Appl. No. 17/783,871
Filed by Valeo Systemes Thermiques, Le Mesnil Saint-Denis (FR)
PCT Filed Dec. 2, 2020, PCT No. PCT/FR2020/052245
§ 371(c)(1), (2) Date Jun. 9, 2022,
PCT Pub. No. WO2021/116561, PCT Pub. Date Jun. 17, 2021.
Claims priority of application No. 1914322 (FR), filed on Dec. 12, 2019.
Prior Publication US 2023/0011304 A1, Jan. 12, 2023
Int. Cl. H05K 1/00 (2006.01); H05K 1/02 (2006.01); H05K 3/30 (2006.01); H05K 7/20 (2006.01)
CPC H05K 1/0204 (2013.01) [H05K 3/30 (2013.01); H05K 7/2039 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An assembly for a motor vehicle motor-fan unit, comprising: a circuit board; a heat sink comprising a plate which is fixed to the circuit board, the plate having a surface of that has through-openings, and a thermal paste disposed between the circuit board and the plate; and at least one electronic component with an electronic component body and at least one fastening tab passing through the circuit board from the electronic component body to the plate, the fastening tab extending at least as far as a through-opening in the plate; and wherein a portion of the fastening tab between the circuit board and a free end is covered with the thermal paste, the electronic component having at least two fastening tabs, each fastening tab being received in a through-opening.