Fluid actuated rotating device including a low power generator
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F03B-013/12
F03B-013/00
H02P-009/04
출원번호
US-0869552
(2004-06-15)
등록번호
US-7335999
(2008-02-26)
발명자
/ 주소
Potter,Calvin C.
Eschborn,David M.
출원인 / 주소
Honeywell International, Inc.
대리인 / 주소
Ingrassia Fisher & Lorenz
인용정보
피인용 횟수 :
25인용 특허 :
18
초록▼
A fluid-powered actuator assembly is modified to include a low power generator. The low power generator rotates in response to a drive force received from the actuator assembly, and thus only generates electrical power when the actuator assembly is operating. The low power generator is used to suppl
A fluid-powered actuator assembly is modified to include a low power generator. The low power generator rotates in response to a drive force received from the actuator assembly, and thus only generates electrical power when the actuator assembly is operating. The low power generator is used to supply electrical power to various sensors and circuits, which may be used to implement prognostic and health monitoring capabilities for the actuator assembly.
대표청구항▼
We claim: 1. An actuation control system, comprising: an actuation control circuit configured to supply one or more actuation control signals; a flow control device adapted to couple to a fluid power source, the flow control device further coupled to receive the actuation control signals and operab
We claim: 1. An actuation control system, comprising: an actuation control circuit configured to supply one or more actuation control signals; a flow control device adapted to couple to a fluid power source, the flow control device further coupled to receive the actuation control signals and operable, in response thereto, to selectively supply a flow of fluid from the fluid power source; a fluid-powered actuator assembly coupled to receive the flow of fluid from the flow control device and configured, upon receipt thereof, to supply a drive force; a driven component coupled to receive at least a first portion of the drive force from the actuator assembly and configured, in response thereto, to move; and a generator coupled to receive at least a second portion the drive force from the actuator assembly and configured, in response thereto, to generate a voltage, wherein the second portion of the drive force is not supplied via the driven component. 2. The system of claim 1, further comprising: a regulator circuit coupled to receive the voltage generated by the generator and operable, upon receipt thereof, to supply one or more regulated voltage signals. 3. The system of claim 2, wherein the regulator circuit is an open-loop regulator circuit. 4. The system of claim 3, wherein the open-loop regulator circuit comprises: a rectifier circuit coupled to receive the voltage generated by the generator and configured, upon receipt thereof, to supply a rectified DC voltage signal; a filter circuit coupled to receive the rectified DC voltage signal and configured, upon receive thereof, to supply a smoothed DC voltage signal having high frequency AC signal components removed therefrom; and one or more voltage regulator circuits coupled to receive the smoothed DC voltage signal and configured, upon receipt thereof, to supply one or more regulated DC voltage signals. 5. The system of claim 1, wherein the generator comprises: a permanent magnet rotor; and a stator. 6. The system of claim 1, further comprising: one or more sensors coupled to receive the generated voltage from the generator, the sensors further coupled to the actuator and configured, upon receipt of the generated voltage, to sense one or more parameters associated with the actuator and supply a sensor signal representative thereof. 7. The system of claim 1, further comprising: one or more batteries operable to supply a DC voltage, the batteries further coupled to receive at least a portion of the voltage generated by the generator; and one or more processors coupled to the receive the DC voltage supplied from the batteries and the generated voltage from the generator, whereby the processors are powered by the batteries when the generator is not generating the voltage, and at least partially by the generator when the generator is generating the voltage. 8. The system of claim 1, wherein the fluid-powered actuator assembly comprises a fluid-powered turbine. 9. The system of claim 8, wherein the fluid-powered actuator assembly comprises a valve actuator. 10. The system of claim 8, wherein the fluid-powered actuator assembly comprises a thrust reverser actuator. 11. A method of supplying electrical power from a fluid-powered actuator assembly configured to generate a drive force upon receipt of a flow of fluid, the method comprising the steps of: selectively supplying the flow of fluid to the fluid-powered actuator assembly, whereby the assembly generates the drive force; supplying a first portion of the generated drive force to a driven component, whereby the driven component moves in response thereto; and supplying a second portion of the generated drive force to a generator, whereby the generator supplies the electrical power, wherein the second portion of the generated drive force is not supplied via the driven component. 12. The method of claim 11, further comprising: regulating the electrical power supplied by the generator.
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