US 11,742,779 B2
Electrostatic motor having fluid management features
Justin Kyle Reed, Madison, WI (US); Ryan Knippel, Madison, WI (US); William D. Butrymowicz, Madison, WI (US); Graham T. Reitz, Madison, WI (US); Matthew Maroon, Middleton, WI (US); Baoyun Ge, Madison, WI (US); Daniel Colin Ludois, Middleton, WI (US); Aditya Nandakumar Ghule, Madison, WI (US); Serge Kuro, Madison, WI (US); and Kevin Frankforter, Madison, WI (US)
Assigned to C-Motive Technologies, Inc., Middleton, WI (US)
Filed by C-Motive Technologies, Inc., Middleton, WI (US)
Filed on Jan. 4, 2021, as Appl. No. 17/141,193.
Claims priority of provisional application 62/956,821, filed on Jan. 3, 2020.
Claims priority of provisional application 62/956,830, filed on Jan. 3, 2020.
Prior Publication US 2021/0211069 A1, Jul. 8, 2021
Int. Cl. H02N 1/00 (2006.01); H02N 2/12 (2006.01)
CPC H02N 1/006 (2013.01) [H02N 1/002 (2013.01); H02N 1/004 (2013.01); H02N 2/12 (2013.01)] 47 Claims
OG exemplary drawing
 
1. An electrostatic machine comprising:
a plurality of stator plates, each comprising a stator electrode, and rotationally fixed to a housing;
a shaft at least partially defined within the housing and configured to rotate about an axis;
a plurality of rotor plates, each comprising a rotor electrode, and rotationally fixed to the shaft;
a dielectric fluid disposed in the housing, and that fills a gap between the plurality of stator plates and the plurality of rotor plates;
at least one seal associated with the shaft; and
wherein the at least one seal comprises a material compatible with the dielectric fluid at an operating temperature of the electrostatic machine.