US 12,308,730 B2
Electrical motor using a heat spreader and cartridge control assembly
David Michael Mitteer, Shelby, MI (US); Ryan David Rosinski, Whitehall, MI (US); Nathaniel Joseph McMackin, New Era, MI (US); Brian Howard Mulder, Grand Haven, MI (US); and Joseph Daniel Suchecki, Grand Haven, MI (US)
Assigned to GHSP, Inc., Holland, MI (US)
Filed by GHSP, Inc., Holland, MI (US)
Filed on Aug. 8, 2022, as Appl. No. 17/882,677.
Claims priority of provisional application 63/232,772, filed on Aug. 13, 2021.
Prior Publication US 2023/0051452 A1, Feb. 16, 2023
Int. Cl. H02K 9/22 (2006.01); H02K 11/33 (2016.01); H02K 21/16 (2006.01); F04D 13/06 (2006.01)
CPC H02K 9/227 (2021.01) [H02K 11/33 (2016.01); H02K 21/16 (2013.01); F04D 13/06 (2013.01); H02K 2211/03 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A motor assembly comprising:
a housing having a motor cavity;
a stator disposed within the housing;
a rotor that rotates within the stator and within the motor cavity about a rotational axis, the rotor attached to a fluid pump that directs a fluid from a fluid inlet of the housing and to a fluid outlet of the housing;
a controller coupled with the stator having a filter circuit board and a main circuit board that are interconnected at a terminal header to define a multilayer circuit board assembly, wherein the circuit board assembly has an electrical interface and a data interface attached to at least one of the filter circuit board and the main circuit board; and
a heat spreader that is attached to the housing, the heat spreader having a heat sink and a shaft that extends into the motor cavity along the rotational axis, wherein the heat sink draws heat from the circuit board assembly and transfers the heat to a thermal exchange media that is contained within the motor cavity, the thermal exchange media being recirculated through the motor cavity and the shaft of the heat spreader, and wherein the thermal exchange media is separated from the fluid moved by the fluid pump from the fluid inlet to the fluid outlet.