US Patent No. 10,398,021

HOUSING FOR AN ELECTRONIC CONTROL UNIT AND METHOD OF MANUFACTURE


Patent No. 10,398,021
Issue Date August 27, 2019
Title Housing For An Electronic Control Unit And Method Of Manufacture
Inventorship Hiram Avalos, Detroit, MI (US)
Jeff Reuter, Farmington, MI (US)
Mark Ryskamp, Grosse Pointe Park, MI (US)
Motozo Horikawa, Plymouth, MI (US)
Assignee Robert Bosch LLC, Broadview, IL (US) Robert Bosch GmbH, Stuttgart (DE)

Claim of US Patent No. 10,398,021

1. A housing assembly for an electronic control unit, the housing assembly comprising:a printed circuit board having a first side, and a second side that is opposed to the first side, at least one of the first side and the second side supporting electrical components;
a frame portion that is disposed on one side of the printed circuit board and supports the printed circuit board, and is a rigid sheet that is formed of a first material and has an inner edge that defines a heat sink opening, the heat sink opening extending through a thickness of the rigid sheet; and
a heat sink portion that is a rigid sheet that is formed of a second material, the heat sink portion abutting the first side of the printed circuit board, the heat sink portion being disposed in the heat sink opening with a peripheral edge of the heat sink portion interlocked with the inner edge in such a way that the heat sink portion is supported by the frame portion,wherein the first material is different than the second material, and the second material is a thermally conductive plastic.