Granted Patent B2

US 12,614,998 · App. 18/594,430 · Granted Apr 28, 2026

Inventors: Ahmed Salah Morsy (Sugar Land, TX); Chaitanya Kumar Ravipalli (Richmond, TX); Pierre-Olivier Gourmelon (Sugar Land, TX); Nathan Rukavina (Pearland, TX)

Assignee: Jacobi Motors, LLC

H02P21/22H02P5/74H02P2207/05

Abstract

Claims (36)

1 . A vehicle system operably functioning with mechanical energy and electrical energy, the vehicle comprising:

at least one drivetrain having at least one axle;

a set of Variable Flux Memory Motors (VFMMs) coupled with the at least one drivetrain, the set of VFMMs being configured to convert the mechanical energy from the at least one drivetrain into the electrical energy; and

a controller configured to selectively change a magnetization state of at least two of the set of VFMMs, wherein the selective change includes electromagnetically disconnecting the at least one axle through the at least two of the set of VFMMs.

2 . The system of claim 1 , wherein each VFMM of the set of VFMMs comprises a multi-phase winding configured to receive multi-phase electric power.

3 . The system of claim 1 , further comprising:

a battery; and

at least one or more inverters configured between the battery and inverter coupled with the set of VFMMs, the at least one inverter being configured to conduct the electric energy with the set of VFMMs.

4 . The system of claim 3 , wherein the controller is configured to operably allow the electrical energy to conduct through a subset of inverters of the at least one inverter based on the set of VFMMs.

5 . The system of claim 1 , wherein the controller is configured to:

receive power requirements;

determine at least one magnetization configuration for the set of VFMMs based on the power requirements; and

transmit a pulse to the at least one VFMM of the set of VFMMs to match the at least one magnetization configuration corresponding with the power requirements.

6 . The system of claim 5 , wherein the pulse comprises at least one of a negative d-axis current pulse and a positive d-axis current pulse.

7 . The system of claim 5 , wherein an inverter transmits the with the at least one VFMM.

8 . The system of claim 5 , wherein at least one interface receives the power requirements indicative of speed and torque from the at least one drivetrain.

9 . The system of claim 5 , wherein the at least one magnetization configuration is operably indicative of at least one magnetization state for each VFMM of the set of VFMMs.

10 . The system of claim 9 , wherein the at least one magnetization-state operably provides power corresponding to at least one efficiency range.

11 . The system of claim 9 , wherein the controller is configured to determine the at least one magnetization configuration based on the power requirements falling between a set of thresholds.

12 . The system of claim 5 , wherein the at least one VFMM comprise at least one of a fully magnetized, a partially magnetized, and a demagnetized configuration corresponding with the power requirements.

13 . The system of claim 5 , wherein the pulse comprises at least one of a magnetization signal and a demagnetization signal.

14 . The system of claim 1 , wherein each VFMM of the set of VFMMs comprises a different specification configured to operate at a corresponding power requirement.

15 . The system of claim 1 , wherein the controller being configured to enable the at least two of the set of VFMMs to cooperate and demagnetize the drive train to disconnect the at least one axle.

16 . A method for controlling a set of Variable Flux Memory Motors (VFMMs) in a vehicle having at least one drivetrain with at least one axle, the method comprising:

receiving, by a controller, power requirements from at least one interfaces;

determining, by the controller, at least one magnetization configuration for the set of VFMMs corresponding with the power requirements;

transmitting, by the controller, a pulse to at least one VFMM in the set of VFMMs to match the magnetization configuration corresponding to the power requirements; and

selectively changing a magnetization state for each of at least two of the set of VFMMs by the controller to operably electromagnetically disconnect the at least one axle.

17 . The method of claim 16 , wherein the pulse comprises at least one of a magnetization signal and a demagnetization signal.

18 . A method for controlling a set of Variable Flux Memory Motors (VFMMs) based on power requirements in a vehicle having at least one drivetrain with at least one axle, comprising:

receiving, by a controller, power requirements from at least one interfaces;

determining, by the controller, at least one magnetization configuration for the set of VFMMs corresponding with the power requirements; and

transmitting, by the controller, a pulse to at least one VFMM in the set of VFMMs to match the magnetization configuration corresponding to the power requirement;

selectively changing a magnetization state for at least two VFMMs of the set of VFMMs in response to the transmitted pulse to least one VFMMs;

demagnetizing the drive train in response to the selective changing of the magnetization state for each of the VFMMs; and

operably disconnecting the axle electromagnetically in response to demagnetizing the drive train.

Assignments (3)

Continuity (1)

References Cited (367)