公开(公告)号：US11742779B2

公开(公告)日：2023-08-29

申请号：US17141193

申请日：2021-01-04

Applicant: C-Motive Technologies, Inc.

Inventor： Justin Kyle Reed ,  Ryan Knippel ,  William D. Butrymowicz ,  Graham T. Reitz ,  Matthew Maroon ,  Baoyun Ge ,  Daniel Colin Ludois ,  Aditya Nandakumar Ghule ,  Serge Kuro ,  Kevin Frankforter

IPC: H02N1/00 ,  H02N2/12

CPC classification number: H02N1/006 ,  H02N1/002 ,  H02N1/004 ,  H02N2/12

Abstract: An example electrostatic machine includes a number of stator plates, each having 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, and a number of rotor plates, each having a rotor electrode and rotational fixed to the shaft. The electrostatic machine includes a dielectric fluid disposed in the housing, and that fills a gap between the stator plates and the rotor plates. The electrostatic machine includes a seal associated with the shaft, where the seal includes a material compatible with the dielectric fluid.

公开(公告)号：US20210242803A1

公开(公告)日：2021-08-05

申请号：US17234511

申请日：2021-04-19

Applicant: C-Motive Technologies, Inc.

Inventor： William D. Butrymowicz ,  Graham T. Reitz

IPC: H02N1/00

Abstract: An example electrostatic machine including a shaft configured to rotate about an axis; a rotor electrode and a stator electrode separated by a gap and forming a capacitor, wherein the rotor electrode is rotationally coupled to the shaft; a housing configured to enclose the rotor electrode, the stator electrode, and at least a portion of the shaft, wherein the stator electrode is rotationally coupled to the housing; a dielectric fluid disposed between the rotor electrode and the stator electrode; and an accumulator fluidly coupled to the dielectric fluid.

公开(公告)号：US20210257929A1

公开(公告)日：2021-08-19

申请号：US17234463

申请日：2021-04-19

Applicant: C-Motive Technologies, Inc.

Inventor： Ryan Knippel ,  William D. Butrymowicz

IPC: H02N1/00

Abstract: An example electrostatic machine includes 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; an electrical exciter configured to provide a modulating voltage to a selected electrical driving component, the selected electrical driving component comprising at least one of the stator electrode or the rotor electrode; and an electrical coupling circuit structured to electrically couple the electrical exciter to the selected electrical driving component, the electrical coupling circuit comprising: a power distribution board interposed between the exciter and a compliant electrical connection; and the compliant electrical connection interposed between the power distribution board and the selected electrical driving component.

公开(公告)号：US20210242805A1

公开(公告)日：2021-08-05

申请号：US17234520

申请日：2021-04-19

Applicant: C-Motive Technologies, Inc.

Inventor： Ryan Knippel ,  William D. Butrymowicz ,  Baoyun Ge

IPC: H02N1/00

Abstract: An example apparatus including a rotor stage of an electrostatic machine, the rotor stage including a rotor plate, at least one rotor via, a rotor power distribution board including at least one rotor power distribution bus, at least one rotor power coupling perforation, and a rotor electrical coupling circuit; a stator stage of the electrostatic machine, the stator stage including a stator plate, at least one stator via, a stator power distribution board including at least one stator power distribution bus, at least one stator power coupling perforation; and a stator electrical coupling circuit structured to electrically couple the at least one stator power distribution bus to at least a portion of the plurality of stator electrodes, wherein the stator electrical coupling circuit extends through the at least one stator via and the at least one stator power coupling perforation.

公开(公告)号：US20210242804A1

公开(公告)日：2021-08-05

申请号：US17234485

申请日：2021-04-19

Applicant: C-Motive Technologies, Inc.

Inventor： Justin Kyle Reed ,  Ryan Knippel ,  William D. Butrymowicz ,  Graham T. Reitz

IPC: H02N1/00

Abstract: An example electrostatic machine includes a rotor plate and an adjacent stator plate; wherein a first one of the rotor plate or stator plate comprises a coupled bearing; and wherein the other one of the rotor plate or stator plate comprises a race radially aligned with the coupled bearing.

公开(公告)号：US20210234476A1

公开(公告)日：2021-07-29

申请号：US17141145

申请日：2021-01-04

Applicant: C-Motive Technologies, Inc.

Inventor： Justin Kyle Reed ,  Ryan Knippel ,  William D. Butrymowicz ,  Graham T. Reitz ,  Matthew Maroon ,  Baoyun Ge ,  Daniel Colin Ludois ,  Aditya Nandakumar Ghule ,  Serge Kuro ,  Paul J. Reckwerdt ,  Kevin Frankforter

IPC: H02N1/00

Abstract: An example electrostatic machine includes a rotor plate and an adjacent stator plate, where the rotor plate or the stator plate includes a coupled bearing. The other one of the rotor plate or the adjacent stator plate includes a race radially aligned with the coupled bearing. The coupled bearing has a width with a first contact point on the first one of the rotor plate or stator plate and a second contact point on the race on the other one of the rotor plate or stator plate, where the coupled bearing is sized to maintain a minimum separation distance between the rotor plate and the stator plate.

公开(公告)号：US20240128894A1

公开(公告)日：2024-04-18

申请号：US18348010

申请日：2023-07-06

Applicant: C-Motive Technologies, Inc.

Inventor： Justin Kyle Reed ,  Ryan Knippel ,  William D. Butrymowicz ,  Graham T. Reitz ,  Matthew Maroon ,  Baoyun Ge ,  Daniel Colin Ludois ,  Aditya Nandakumar Ghule ,  Serge Kuro ,  Kevin Frankforter

IPC: H02N1/00 ,  H02N2/12 ,  H02N2/14

CPC classification number: H02N1/006 ,  H02N1/002 ,  H02N1/004 ,  H02N2/12 ,  H02N2/14

Abstract: An example electrostatic machine includes a number of stator plates, each having 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, and a number of rotor plates, each having a rotor electrode and rotational fixed to the shaft. The electrostatic machine includes a dielectric fluid disposed in the housing, and that fills a gap between the stator plates and the rotor plates. The electrostatic machine includes a seal associated with the shaft, where the seal includes a material compatible with the dielectric fluid.

公开(公告)号：US20210391810A1

公开(公告)日：2021-12-16

申请号：US17293223

申请日：2019-09-12

Applicant: C-Motive Technologies, Inc.

Inventor： Graham T. Reitz ,  William D. Butrymowicz ,  Baoyun GE ,  Justin K. Reed ,  Daniel C. Ludois

IPC: H02N1/08

Abstract: An electrostatic machine includes a drive electrode and a stator electrode. The drive electrode and the stator electrode are separated by a gap and form a capacitor. The drive electrode is configured to move with respect to the stator electrode. The electrostatic machine further includes a housing configured to enclose the drive electrode and the stator electrode. The stator electrode is fixed to the housing. The electrostatic machine also includes a dielectric fluid that fills a void defined by the housing, the drive electrode, and the stator electrode. The dielectric fluid includes a ketone, malonate, or an oxalate.

公开(公告)号：US11114951B2

公开(公告)日：2021-09-07

申请号：US16347975

申请日：2017-11-07

Applicant: C-Motive Technologies, Inc.

Inventor： Graham T. Reitz ,  William D. Butrymowicz ,  Justin K Reed ,  Daniel C. Ludois

IPC: H02N1/00 ,  C07C69/00 ,  C08J3/09 ,  H02K5/04

Abstract: An electrostatic machine includes a drive electrode and a stator electrode. The drive electrode and the stator electrode are separated by a gap and form a capacitor. The drive electrode is configured to move with respect to the stator electrode. The electrostatic machine further includes a housing configured to enclose the drive electrode and the stator electrode. The stator electrode is fixed to the housing. The electrostatic machine also includes a dielectric fluid that fills a void defined by the housing, the drive electrode, and the stator electrode. The dielectric fluid includes an ester.

公开(公告)号：US20210257930A1

公开(公告)日：2021-08-19

申请号：US17234530

申请日：2021-04-19

Applicant: C-Motive Technologies, Inc.

Inventor： Justin Kyle Reed ,  Ryan Knippel ,  William D. Butrymowicz ,  Graham T. Reitz ,  Baoyun Ge ,  Daniel Colin Ludois ,  Aditya Nandakumar Ghule ,  Serge Kuro

IPC: H02N1/00

Abstract: An example electrostatic machine including a rotor stack comprising a plurality of a rotor plates each including a plurality of rotor electrodes positioned on each side of the rotor plate; and at least one rotor via comprising an electrical connection between the plurality of rotor electrodes on a first side of the rotor plate and the plurality of rotor electrodes on a second side of the rotor plate; and a stator stack comprising a plurality of stator plates, each including a plurality of stator electrodes positioned on each side of the stator plate; and at least one stator via comprising an electrical connection between the plurality of stator electrodes on a first side of the stator plate and the plurality of stator electrodes on a second side of the stator plate.