IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0967834
(2013-08-15)
|
등록번호 |
US-8816624
(2014-08-26)
|
발명자
/ 주소 |
- Hyde, Roderick A.
- Kare, Jordin T.
- Wood, Jr., Lowell L.
|
출원인 / 주소 |
- The Invention Science Fund I LLC
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
25 |
초록
▼
A rotating electromechanical machine has a rotor having at least one current-carrying winding and at least one rotor-mounted sensor configured to sense a machine property or parameter during machine operation. Rotor-mounted circuitry dynamically modifies at least one property of the current-carrying
A rotating electromechanical machine has a rotor having at least one current-carrying winding and at least one rotor-mounted sensor configured to sense a machine property or parameter during machine operation. Rotor-mounted circuitry dynamically modifies at least one property of the current-carrying winding during machine operation in response to the sensed machine property or parameter.
대표청구항
▼
1. An electrical rotating machine, comprising: a rotor having at least one current-carrying circuit;at least one rotor-mounted sensor configured to sense an electrical machine property during machine operation; androtor-mounted electrical circuitry responsive to the rotor-mounted sensor; anda contro
1. An electrical rotating machine, comprising: a rotor having at least one current-carrying circuit;at least one rotor-mounted sensor configured to sense an electrical machine property during machine operation; androtor-mounted electrical circuitry responsive to the rotor-mounted sensor; anda controller configured to supervise operation of the at least one rotor-mounted sensor and the rotor-mounted circuitry,wherein the electrical circuitry is configured to dynamically modify a property of the current-carrying circuit during machine operation in response to the sensed electrical machine property and wherein the controller is configured to receive data inputs, settings, and commands from off-rotor sensors or external sources. 2. The electrical machine of claim 1, wherein the at least one rotor-mounted sensor is configured to sense at least one of a circuit voltage, a circuit current, a magnetic field, a magnetic permeability, a temperature, a speed, a rotation rate, a rotation angle and/or an angular acceleration. 3. The electrical machine of claim 1, wherein the rotor-mounted circuitry configured to modify a property of the current-carrying circuit comprises one or more electronic switching devices. 4. The electrical machine of claim 3, wherein the electronic switching device comprise one or more of a triac, a silicon-controlled rectifier, solid state relay, and/or a thyristor. 5. The electrical machine of claim 1, wherein the rotor-mounted circuitry configured to modify a property of the current-carrying circuit comprises a linear electronic device and/or circuit. 6. The electrical machine of claim 5, wherein the linear electronic device and/or circuit comprises at least one of a MOSFET, an IGBT, and/or a bipolar transistor. 7. The electrical machine of claim 1, wherein the rotor-mounted circuitry configured to modify a property of the current-carrying circuit comprises one or more active or passive electronic devices placed in series and/or parallel with all or part of the current-carrying circuit. 8. The electrical machine of claim 1, wherein the rotor-mounted circuitry configured to modify a property of the current-carrying circuit comprises a voltage source, and/or a current source, a source of electrical reactance, and/or energy storage/supply device. 9. The electrical machine of claim 8, wherein the energy storage/supply device comprises one or more of an inductor, a capacitor, a primary and/or secondary battery. 10. The electrical machine of claim 9, wherein the energy storage/supply device comprises a device that is rechargeable during machine operation. 11. The electrical machine of claim 1, wherein the rotor-mounted circuitry is configured to modify one or more of real and/or reactive impedance, capacitance, reluctance, magnetic saturation, inductance and/or mutual inductance of the current-carrying circuit. 12. The electrical machine of claim 1, wherein the rotor-mounted circuitry is configured to vary the property of the current-carrying circuit as a function of rotor angle or position, rotation rate, and/or angular acceleration. 13. The electrical machine of claim 1, wherein the rotor-mounted circuitry is configured to vary the property of the current-carrying circuit as a continuous function. 14. The electrical machine of claim 1, wherein the rotor-mounted circuitry is configured to vary the property of the current-carrying circuit between a set of discrete property values. 15. The electrical machine of claim 1, wherein the rotor-mounted circuitry is configured to vary the property of the current-carrying circuit in response to a time history of sensor values. 16. The electrical machine of claim 1, wherein the rotor-mounted circuitry configured to vary the property of the current-carrying circuit comprises a switch-mode regulator. 17. The electrical machine of claim 16, wherein the switch-mode regulator switches the property of the current-carrying circuit at a rate higher than a nominal frequency. 18. The electrical machine of claim 17, wherein the nominal frequency of the electrical machine is the rotor's angular frequency or a pole frequency of the electrical machine. 19. The electrical machine of claim 17, wherein the nominal frequency is about 15 KHz. 20. The electrical machine of claim 17, wherein the nominal frequency is about 100 KHz. 21. The electrical machine of claim 17, wherein the nominal frequency is about 1 MHz. 22. The electrical machine of claim 1, wherein the controller is configured or programmed to regulate a machine operating parameter. 23. The electrical machine of claim 1, wherein the machine operating parameter is one of a starting current, a running current, a rotor speed and/or acceleration, a temperature at a rotor location, a power consumption, and/or a torque. 24. The electrical machine of claim 1, wherein the controller comprises one or more rotor-mounted controller components and/or off-rotor controller components. 25. The electrical machine of claim 24, wherein off-rotor components are configured to communicate with the rotor-mounted circuitry, the at least one rotor-mounted sensor and/or the one or more rotor-mounted controller components via optical, RF, acoustic, ultrasound, inductive, capacitive, and/or conducting means. 26. A rotor assembly for an electrical rotating machine, the assembly comprising: a rotatable body;an on-rotor sensor having a sensing portion coupled to an optical readout portion; anda controller configured to supervise operation of the at least on rotor-mounted sensor and the rotor-mounted circuitry,wherein the sensing portion is configured to sense a machine parameter during machine operation, and wherein the optical readout portion is arranged to be optically read by an external reading device and wherein the controller is configured to receive data inputs, settings, and commands from off-rotor sensors or external sources. 27. The rotor assembly of claim 26, wherein the on-rotor sensor is one of a battery-powered sensor, a capacitively-powered sensor, an inductively-powered sensor and/or an optically powered sensor. 28. The rotor assembly of claim 26, wherein the optical readout portion comprises one or more of a liquid crystal display, a micro mirror, an actuated-mirror/cornercube, an LED, and/or a MEMS-actuated flag. 29. The rotor assembly of claim 26, wherein the optical readout portion is arranged to be optically read by the external reading device disposed on or about a stator or a mounting frame external to the rotor assembly. 30. The rotor assembly of claim 26, wherein the optical readout portion is arranged to serially or in parallel provide individual readout values of the machine parameter corresponding to a plurality of individual rotor axial/radial parameters. 31. The rotor assembly of claim 26, wherein the optical readout portion is arranged to provide a multiplexed readout of values of the machine parameter corresponding to a plurality of individual rotor axial/radial parameters.
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