US 11,936,253 B1
Modular axial field rotary energy device with PCB stator and variable frequency drive system
Paulo Guedes-Pinto, Round Rock, TX (US); Shriram Pushparaj Patil, Richmond, TX (US); John Mitchell Wilson, Cedar Park, TX (US); Randal A. Lee, Austin, TX (US); Zachary Thomas Radkey-Pechacek, Leander, TX (US); and Luke Robert Wilkin, Austin, TX (US)
Assigned to INFINITUM ELECTRIC INC., Round Rock, TX (US)
Filed by INFINITUM ELECTRIC, INC., Round Rock, TX (US)
Filed on Sep. 27, 2023, as Appl. No. 18/373,578.
Int. Cl. H02K 11/33 (2016.01); H02K 3/26 (2006.01); H02K 5/10 (2006.01); H02K 5/173 (2006.01); H02K 7/08 (2006.01); H02K 9/06 (2006.01); H02K 9/22 (2006.01); H02K 11/40 (2016.01); H02K 21/24 (2006.01)
CPC H02K 11/33 (2016.01) [H02K 3/26 (2013.01); H02K 5/10 (2013.01); H02K 5/1732 (2013.01); H02K 7/083 (2013.01); H02K 9/06 (2013.01); H02K 9/223 (2021.01); H02K 11/40 (2016.01); H02K 21/24 (2013.01); H02K 2203/03 (2013.01); H02K 2213/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
an axial field rotary energy device having:
an axis of rotation;
a rotor coaxial with the axis and having a shaft, bearings, bearing caps, rotor disks that are coaxial, permanent magnets on each rotor disk, and the permanent magnets on each rotor disk face toward each other;
a printed circuit board (PCB) stator located axially between the rotor disks to define an air gap on each side of the PCB stator between the PCB stator and each of the rotor disks;
an enclosure having two enclosure sections with at least one of the enclosure sections having an inspection port oriented radially, relative to the axis, and aligned with the PCB stator and the air gaps between the PCB stator and the rotor disks, such that the inspection port provides a direct line of sight to the air gaps;
an annular shim located between a respective bearing cap and a respective bearing, wherein an axial position of the rotor is adjusted and widths of the air gaps are changed by adding or removing the annular shim; and the system further comprises:
a variable frequency drive (VFD) assembly coupled to the axial field rotary energy device and comprising:
a flexible conduit that extends between a VFD housing and the axial field rotary energy device, wherein the flexible conduit is configured to adapt to different sizes of axial field rotary energy devices.