US 12,355,315 B2
Electric motor
Hsien-Feng Hung, Taoyuan (TW); Cheng-Yu Shen, Taoyuan (TW); Chung-Han Yang, Taoyuan (TW); Quan-Sheng Lin, Taoyuan (TW); Yi Chen, Taoyuan (TW); and Cong-Xiang Ma, Taoyuan (TW)
Assigned to DELTA ELECTRONICS, INC., Taoyuan (TW)
Filed by DELTA ELECTRONICS, INC., Taoyuan (TW)
Filed on May 29, 2023, as Appl. No. 18/325,013.
Claims priority of application No. 202310210992.X (CN), filed on Mar. 7, 2023.
Prior Publication US 2024/0305169 A1, Sep. 12, 2024
Int. Cl. H02K 11/33 (2016.01); H02K 3/50 (2006.01); H02K 11/01 (2016.01)
CPC H02K 11/33 (2016.01) [H02K 3/50 (2013.01); H02K 11/014 (2020.08); H02K 2203/09 (2013.01); H02K 2211/03 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An electric motor, comprising:
a motor main body, wherein the motor main body comprises a motor coil; and
an inverter, wherein the inverter is axially stacked on one end of the motor main body, wherein the inverter comprises:
a gate driver;
a control circuit;
a capacitor module;
a DC bus bar;
a plurality of power modules, wherein the power modules comprise a plurality of AC output terminals, a plurality of DC input terminals and a plurality of signal terminals; and
a plurality of AC bus bars respectively connected to corresponding AC output terminals and extended downward to the motor coil of the motor main body, wherein the power modules and corresponding DC input terminals of the DC input terminals are annularly arranged around the capacitor module, the DC bus bar is extended and electrically connected to the corresponding DC input terminals and electrically connected to the capacitor module so that the power modules are respectively connected in parallel with the capacitor module, and the signal terminals of the power modules are electrically connected to the gate driver and the control circuit.