US 12,113,423 B2
Electric motor with integrated pump
David Gambuzzi, Reggio Emilia (IT); and Luca Buscicchio, Modena (IT)
Assigned to DANA MOTION SYSTEMS ITALIA S.R.L., Reggio Emilia (IT)
Filed by Dana Motion Systems Italia S.R.L., Reggio Emilia (IT)
Filed on Feb. 14, 2022, as Appl. No. 17/651,050.
Prior Publication US 2023/0258176 A1, Aug. 17, 2023
Int. Cl. H02K 5/18 (2006.01); F04C 2/08 (2006.01); F04C 15/00 (2006.01); F15B 15/18 (2006.01); H02K 5/04 (2006.01); H02K 9/19 (2006.01)
CPC H02K 5/18 (2013.01) [F04C 2/084 (2013.01); F04C 15/0096 (2013.01); F15B 15/18 (2013.01); H02K 5/04 (2013.01); F04C 2240/30 (2013.01); F04C 2240/40 (2013.01); F05C 2201/021 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A system, comprising:
an electric motor having a rotor shaft;
a hydraulic pump including a gear; and
an end bell housing enclosing an end of the electric motor, the end bell housing having a plurality of cooling fins, the end bell housing further supporting the gear coupled to the rotor shaft, the gear pressurizing hydraulic fluid and coupled to the rotor shaft via a shaft gear insert inserted into a coupling cavity of the gear, wherein the gear is an upper gear of a pair of gears, wherein the end bell housing is a single, continuous, and monolithic end housing, and an independent gear is configured to support the rotor shaft and the pair of gears, and wherein the independent gear is a counter rotational balance to the rotor shaft.