IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0172439
(2011-06-29)
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등록번호 |
US-8801394
(2014-08-12)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
Finnegan, Henderson, Farabow, Garrett & Dunner LLP
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인용정보 |
피인용 횟수 :
0 인용 특허 :
9 |
초록
▼
A system for driving a pump includes a gas turbine engine having an output shaft, and a torque converter including an input shaft coupled to the output shaft of the gas turbine engine and an output shaft configured to be coupled to an input shaft of a pump. The system further includes a controller c
A system for driving a pump includes a gas turbine engine having an output shaft, and a torque converter including an input shaft coupled to the output shaft of the gas turbine engine and an output shaft configured to be coupled to an input shaft of a pump. The system further includes a controller coupled to the torque converter, wherein the controller is configured to receive a signal indicative of a pressure at at least one of a pump inlet and a pump outlet, and control a speed of the output shaft of the torque converter based on the signal indicative of pressure.
대표청구항
▼
1. A system for driving a pump configured to receive fluid at a pump inlet and discharge the fluid at a pump outlet, the system comprising: a gas turbine engine having an output shaft;a torque converter including an input shaft coupled to the output shaft of the gas turbine engine, and an output sha
1. A system for driving a pump configured to receive fluid at a pump inlet and discharge the fluid at a pump outlet, the system comprising: a gas turbine engine having an output shaft;a torque converter including an input shaft coupled to the output shaft of the gas turbine engine, and an output shaft configured to be coupled to an input shaft of the pump; anda controller coupled to the torque converter,wherein the controller is configured to: receive a signal indicative of a pressure at at least one of the pump inlet and the pump outlet,control a speed of the output shaft of the torque converter based on the signal indicative of pressure, andcontrol the speed of the output shaft of the torque converter independent of a speed of the output shaft of the gas turbine engine. 2. The system of claim 1, wherein the controller is configured to increase the speed of the output shaft of the torque converter when a signal indicative of pressure at the pump inlet indicates an increase in pressure. 3. The system of claim 1, wherein the controller is configured to receive a signal indicative of pressure at the pump outlet, and the controller is configured to decrease the speed of the output shaft of the torque converter when the signal indicative of pressure at the pump outlet indicates a pressure that exceeds a predetermined pressure. 4. The system of claim 1, wherein the input shaft of the torque converter is coupled to the output shaft of the gas turbine engine via a transmission, the transmission including an input shaft coupled to the output shaft of the gas turbine engine and an output shaft coupled to the input shaft of the torque converter. 5. The system of claim 4, wherein the transmission includes a gear reduction assembly. 6. The system of claim 4, wherein the controller is configured to control the speed of the output shaft of the torque converter at a speed ranging from about 500 rpm to about 1,800 rpm. 7. A system for pumping fluid, the system comprising: a gas turbine engine having an output shaft;a pump configured to pump fluid, the pump including an inlet, an outlet, and an input shaft;a torque converter including an input shaft coupled to the output shaft of the gas turbine engine and an output shaft coupled to the input shaft of the pump; anda controller coupled to the torque converter,wherein the controller is configured to: receive a signal indicative of a pressure at at least one of the pump inlet and the pump outlet,control a speed of the output shaft of the torque converter based on the signal indicative of pressure, andcontrol the speed of the output shaft of the torque converter independent of a speed of the output shaft of the gas turbine engine. 8. The system of claim 7, wherein the input shaft of the torque converter is coupled to the output shaft of the gas turbine engine via a transmission, the transmission including an input shaft coupled to the output shaft of the gas turbine engine and an output shaft coupled to the input shaft of the torque converter. 9. The system of claim 8, wherein the transmission includes a gear reduction assembly. 10. The system of claim 7, wherein the controller is configured control the speed of the output shaft of the torque converter at a speed ranging from about 500 rpm to about 1,800 rpm. 11. The system of claim 7, wherein the pump includes a positive displacement pump. 12. The system of claim 7, wherein the controller is configured to increase the speed of the output shaft of the torque converter when a signal indicative of pressure at the pump inlet indicates an increase in pressure. 13. The system of claim 7, wherein the controller is configured to receive a signal indicative of pressure at the pump outlet, and the controller is configured to decrease the speed of the output shaft of the torque converter when the signal indicative of pressure at the pump outlet indicates a pressure that exceeds a predetermined pressure. 14. A method for controlling output of a pump coupled to a gas turbine engine via a torque converter, the method comprising: operating the gas turbine engine at a relatively constant speed;controlling a speed of an output shaft of the torque converter based on a signal indicative of pressure at at least one of an inlet of the pump and an outlet of the pump; andcontrolling the speed of the output shaft of the torque converter independent of a speed of an output shaft of the gas turbine engine. 15. The method of claim 14, wherein controlling the speed of the output shaft of the torque converter includes gradually or incrementally increasing the speed of the output shaft of the torque converter as a signal indicative of pressure at the inlet of the pump increases. 16. The method of claim 14, wherein the controlling the speed of the output shaft of the torque converter includes reducing the speed of the output shaft of the torque converter if a signal indicative of pressure at an outlet of the pump exceeds a predetermined pressure. 17. The method of claim 14, wherein operating the gas turbine engine at a relatively constant speed includes operating the gas turbine engine at speed that corresponds to efficient operation of the gas turbine engine. 18. The method of claim 14, wherein controlling the speed of the output shaft of the torque converter is performed manually. 19. The method of claim 14, wherein controlling the speed of the output shaft of the torque converter is performed automatically via a controller.
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