# US 11,309,753 B2 · Combined propellant-less propulsion and reaction wheel device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,309,753 B2 - Document ID: US11309753B2 - Status: Granted - Kind: B2 - Application number: 16/852,919 - Filed: 2020-04-20 - Published: 2020-08-06 - Granted: 2022-04-19 - Earliest claimed: 2015-10-08 - Applicants: Hyperbolic Engines Incorporated - Inventors: Anoup Kaul - Web page: https://patentgrep.com/patent/US11309753B2 ## CPC - B63H 1/04: with rotation axis substantially at right angles to propulsive direction - H02K 1/26: Rotor cores with slots for windings - B63H 5/08: of more than one propeller - B64G 1/283: {using reaction wheels} - B64G 1/417: {Electromagnetic fields or flux without mass expulsion} - H02K 1/223: {Rotor cores with windings and permanent magnets (for additional excitation in synchronous motors or generators H02K21/042; in synchronous motors having additional short-circuited winding for starting as an asynchronous motor H02K21/46)} - H02K 1/27: Rotor cores with permanent magnets - H02K 3/48: in slots - H02K 7/08: Structural association with bearings - H02K 11/33: Drive circuits, e.g. power electronics (H02K11/38 takes precedence) - H02K 16/005: {Machines with only rotors, e.g. counter-rotating rotors (DC commutator machines or universal AC/DC commutator motors having a rotating armature and a rotating excitation field H02K23/60)} - B63H 21/17: by electric motor - B64G 1/244: {Spacecraft control systems} - B63H: MARINE PROPULSION OR STEERING (propulsion of air-cushion vehicles B60V1/14; specially adapted for submarines, other than nuclear propulsion, B63G; specially adapted for torpedoes F42B19/00) - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - B64G: COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR ## Abstract A propulsion method includes: providing a pair of synchronized rotors rotatably mounted on a frame with a bearing having a bearing outer race, bearing balls, and bearing inner race; providing a plurality of permanent magnets mounted on the pair of synchronized rotors; rotating the pair of synchronized rotors such that one of the pair of synchronized rotors rotates in a clockwise direction and the other of the pair of synchronized rotors rotates in a counterclockwise direction; loading an outer portion of the outer bearing race, bearing ball, and inner bearing race of each of the bearings, a load on the outer portion of the bearings corresponding to an attractive force between the permanent magnets of the pair of synchronized rotors. A thrust is imparted on the frame in a direction corresponding to a direction of loading of the inner bearing race. ## Claims ### Claim 1 A propulsion method comprising: providing a pair of synchronized rotors, each of the synchronized rotors rotatably mounted on a frame with a bearing having a bearing outer race, bearing balls, and bearing inner race; providing a plurality of permanent magnets mounted on the pair of synchronized rotors and arranged such that at least one permanent magnet of a first of the pair of synchronized rotors is attracted to at least one permanent magnet of a second of the pair of synchronized rotors when the permanent magnets are proximate one another at an inboard orientation; rotating the pair of synchronized rotors such that one of the pair of synchronized rotors rotates in a clockwise direction and the other of the pair of synchronized rotors rotates in a counterclockwise direction; loading an outer portion of the outer bearing race, bearing ball, and inner bearing race of each of the bearings relative to a point at which the at least one permanent magnet of the first of the pair of synchronized rotors is closest to at least one permanent magnet of the second of the pair of synchronized rotors, a load on the outer portion of the bearings corresponding to an attractive force between the permanent magnets of the pair of synchronized rotors; wherein a thrust is imparted on the frame in a direction corresponding to a direction of loading of the inner bearing race. ### Claim 2 (depends on 1) The method of claim 1, further comprising providing one or more electromagnets located proximate to the pair of synchronized rotors, wherein the one or more electromagnets are aligned with the plurality of permanent magnets such that a rotational force is imparted on the pair of synchronized rotors when the one or more electromagnets are activated. ### Claim 3 (depends on 2) The method of claim 2, further comprising providing a unit-polar control circuit for controlling the one or more electromagnets. ### Claim 4 (depends on 3) The method of claim 3, further comprising providing one or more optical sensors and adjusting a current applied to the one or more electromagnets based on an output of the one or more optical sensors. ### Claim 5 (depends on 1) The method of claim 1, further comprising providing a vehicle on which the frame is mounted, wherein the thrust imparted on the frame is imparted on the vehicle. ### Claim 6 (depends on 5) The method of claim 5, further comprising: providing a controller for controlling rotation of the pair of synchronized rotors; receiving data on the controller from at least one of a gyroscope and accelerometer; controlling rotation of the pair of synchronized rotors to generate a desired propulsion effect on the vehicle. ### Claim 7 (depends on 1) The method of claim 1, wherein the pair of synchronized rotors are intermeshed with a spur gear profile. ### Claim 8 (depends on 1) The method of claim 1, further comprising determining a time required for the pair of synchronized rotors to stop rotating based on a load placed on the bearing balls at the outer portion of the outer bearing race and the inner bearing race. ### Claim 9 A reaction wheel thrust mechanism comprising: a first rotor rotatably coupled on a frame at a first bearing, the first bearing having a first outer bearing race, a plurality of first bearing balls, and a first inner bearing race; a second rotor rotatably coupled on the frame at a second bearing, the second bearing having a second outer bearing race, a plurality of second bearing balls, and a second inner bearing race; a plurality of permanent magnets located on the first rotor and the second rotor, the plurality of permanent magnets oriented such that at a first permanent magnet on the first rotor is attracted towards at a second permanent magnet on the second rotor when the first permanent magnet is at its most proximate location relative to the second permanent magnet; a controller for controlling rotation speeds of the first rotor and the second rotor; wherein when electro-magnetic coils of the first rotor are activated by the controller, the electro-magnetic coils impart a torque onto the first rotor and the first rotor will impart reactionary torque onto the electro-magnetic coils and the frame and a vehicle attached thereto. ### Claim 10 (depends on 9) The reaction wheel thrust mechanism of claim 9, wherein the first rotor and the second rotor are synchronized with a spur gear profile formed around the first rotor and the second rotor. ### Claim 11 (depends on 9) The reaction wheel thrust mechanism of claim 9, wherein the controller adjusts speeds of rotation of the first rotor and the second rotor based on a desired thrust to be imparted on the vehicle. ### Claim 12 (depends on 9) The reaction wheel thrust mechanism of claim 9, wherein the controller adjusts speeds of rotation of the first rotor and shorts the electro-magnetic coils of the second rotor to achieve a desired rate of angular change. ### Claim 13 A reaction wheel thrust mechanism comprising: a first rotor rotatably coupled on a frame at a first bearing, the first bearing having a first outer bearing race, a plurality of first bearing balls, and a first inner bearing race; a second rotor rotatably coupled on the frame at a second bearing, the second bearing having a second outer bearing race, a plurality of second bearing balls, and a second inner bearing race; a plurality of permanent magnets located on the first rotor and the second rotor, the plurality of permanent magnets oriented such that at a first permanent magnet on the first rotor is attracted towards at a second permanent magnet on the second rotor when the first permanent magnet is at its most proximate location relative to the second permanent magnet; a controller for controlling rotation speeds of the first rotor and the second rotor; wherein when electro-magnetic coils of the first rotor are activated by the controller, the electro-magnetic coils impart a torque onto the first rotor and the first rotor will impart reactionary torque onto the electro-magnetic coils and the frame and a vehicle attached thereto; and wherein the controller adjusts speeds of rotation of the first rotor and the second rotor based on a desired thrust to be imparted on the vehicle.