Nozzle control
阅读：145发布：2022-03-14
专利汇可以提供Nozzle control专利检索，专利查询，专利分析的服务。并且An inlet nozzle control for a regenerative gas turbine engine wherein a fuel metering valve and power turbine inlet nozzles are positioned in response to control signals provided by a closed loop system. Engine operating parameters, including gas generator turbine inlet temperature, are sensed and electrical signals commensurate therewith are delivered as inputs to logic circuitry where, in combination with selected operational mode inputs provided by the operator, they are operated upon to provide control signals for the power turbine nozzle actuators.，下面是Nozzle control专利的具体信息内容。
1. A nozzle control for a variable geometry gas turbine engine, said engine having a gas generator section with a variable area exhaust nozzle, said control comprising: means for varying the geometry of said nozzle, said nozzle geometry varying means operating in response to nozzle position error signals; means for sensing a first engine gas generator operating parameter and for generating a signal commensurate therewith; means for sensing a second engine gas generator operating parameter and for generating a signal commensurate therewith; means responsive to said signals commensurate with sensed engine gas generator operating parameters for generating signals commensurate with the desired steady state nozzle geometry; means for generating signals commensurate with a preselected nozzle geometry desired during engine acceleraTion and deceleration; means for selectively generating signals commensurate with the desired nozzle geometry during retard operation; means responsive to said steady state, retard and acceleration and deceleration desired nozzle geometry signals for selecting and passing the signal which calls for nozzle geometry closest to retard geometry; means for sensing actual nozzle geometry and for generating a signal commensurate therewith; and means responsive to said actual and selected desired nozzle geometry signals for generating nozzle geometry error signals for application to said nozzle geometry varying means.
2. A nozzle control for a variable geometry free turbine engine, said engine having a variable area power turbine inlet nozzle and a gas generator section, said control comprising: means for varying the area of said nozzle, said nozzle area varying means operating in response to nozzle area error signals; means for sensing the turbine inlet temperature of said engine gas generator and for generating a signal commensurate therewith; means for sensing the speed of said engine gas generator and for generating a signal commensurate therewith; means responsive to said turbine inlet temperature and gas generator speed signals for generating a first steady state nozzle area signal; means for sensing engine power turbine speed and for generating a signal commensurate therewith; means responsive to said signal commensurate with power turbine speed for generating a second steady state nozzle area signal; means for generating signals commensurate with desired gas generator speed; means for sensing actual nozzle area and for generating a signal commensurate therewith; means responsive to said actual and a generated steady state nozzle area signal for generating nozzle area error signals for application to said nozzle area varying means; and means responsive to said desired gas generator speed signals for selectively applying said first and second steady state nozzle area signals to said area error signal generating means.
3. The apparatus of claim 2 wherein said nozzle area error signal generating means further comprises: means for generating signals commensurate with the desired nozzle area during acceleration and deceleration; means for selectively generating signals commensurate with the desired nozzle area during retard operation; and means responsive to said selected steady state, retard and acceleration and deceleration desired nozzle area signals for passing the signal which calls for nozzle area closest to retard area to said position error signal generating means.
4. The apparatus of claim 1 wherein said nozzle geometry varying means comprises: a hydraulic servomechanism; a nozzle actuator connected to and operated by said servomechanism; and electrically operated valve means for controlling said servomechanism in response to nozzle geometry error signals.
5. The apparatus of claim 3 wherein said nozzle area varying means comprises: a hydraulic servomechanism; a nozzle actuator connected to and operated by said servomechanism; and electrically operated valve means for controlling said servomechanism in response to nozzle area error signals.
6. A fuel control for a variable geometry free turbine engine, said engine having a variable power turbine nozzle and a gas generator section, said control comprising: a fuel metering valve for regulating the rate at which fuel is delivered to the engine; valve adjusting means coupled to said metering valve, said adjusting means being responsive to fuel flow error signals supplied thereto; means for sensing the turbine inlet temperature of said engine gas generator and for generating a signal commensurate therewith; means for sensing the speed of said engine gas generator and for generating a signal commensurate therewith; means responsive to said signals commensurate with speed and Temperature for generating a first signal commensurate with desired fuel flow; means for generating a signal commensurate with the desired gas generator speed; means responsive to said actual and desired speed signals for generating a second signal commensurate with desired fuel flow; selector means responsive to said first and second fuel flow signals for passing the signal calling for the least fuel flow to said valve adjusting means; means for varying the position of said nozzle, said nozzle position varying means operating in response to nozzle position error signals; and means responsive to said signals commensurate with speed and temperature for generating nozzle position error signals for application to said position varying means.
7. The apparatus of claim 6 wherein said means for generating nozzle position error signals comprises: means responsive to said signals commensurate with turbine inlet temperature and gas generator speed for generating signals commensurate with desired steady state nozzle position; means for sensing actual nozzle position and for generating a signal commensurate therewith; and means responsive to said actual and desired nozzle position signals for generating nozzle position error signals for application to said position varying means.
8. The apparatus of claim 7 wherein said nozzle position error signal generating means further comprises: means for generating signals commensurate with the desired nozzle position during acceleration and deceleration; means for selectively generating signals commensurate with the desired nozzle position during retard operation; and means responsive to said steady state, retard and acceleration and deceleration desired nozzle position signals for passing the signal which calls for nozzle position closest to retard position to said position error signal generating means.
9. The apparatus of claim 7 wherein said means for generating desired nozzle steady state position signals comprises: means responsive to said turbine inlet temperature and gas generator speed signals for generating a first steady state nozzle position signal; means for sensing engine power turbine speed and for generating a signal commensurate therewith; means responsive to said signal commensurate with power turbine speed for generating a second steady state nozzle position signal; and means responsive to said desired gas generator speed signals for selectively applying said first and second steady state nozzle position signals to said position error signal generating means.
10. The apparatus of claim 9 wherein said nozzle position error signal generating means further comprises: means for generating signals commensurate with the desired nozzle position during acceleration and deceleration; means for selectively generating signals commensurate with the desired nozzle position during retard operation; and means responsive to said selected steady state, retard and acceleration and deceleration desired nozzle position signals for passing the signal which calls for nozzle position closest to retard position to said position error signal generating means.
11. The apparatus of claim 6 wherein said nozzle position varying means comprises: a hydraulic servomechanism; a nozzle actuator connected to and operated by said servomechanism; and electrically operated valve means for controlling said servomechanism in response to nozzle position error signals.
12. The apparatus of claim 10 wherein said nozzle position varying means comprises: a hydraulic servomechanism; a nozzle actuator connected to and operated by said servomechanism; and electrically operated valve means for controlling said servomechanism in response to nozzle position error signals.
13. The apparatus of claim 8 wherein said fuel metering valve adjusting means comprises: means for sensing the position of the fuel flow controlling element in said metering valve and for generating a signal commensurate therewith; means responsive to said signal commensurate with metering valve element position and to the signal passed by said selector means for generating a fuel flow error signal; means for varying the position of said valve element; and means for applying said fuel flow error signal to said valve element position varying means.
14. The fuel control of claim 13 further comprising: means for sensing the engine gas generator compressor gas discharge pressure and for generating a signal commensurate therewith; means responsive to said compressor discharge pressure signal for generating a minimum fuel flow commensurate with instantaneous pressure; means responsive to said minimum fuel flow signal and to the fuel flow signal passed by said selector means for passing the signal calling for the most fuel flow to said valve adjusting means.
15. The apparatus of claim 14 further comprising: a starting circuit for delivering fuel to said engine upon start up, said starting circuit bypassing said metering valve; and means for disabling said starting circuit when said engine is started.
16. A nozzle control for a variable geometry free turbine engine, said engine having a variable area power turbine inlet nozzle and a gas generator section, said control comprising: means for varying the area of said nozzle, said nozzle area varying means operating in response to nozzle area error signals; means for generating a first desired nozzle area signal commensurate with engine starting requirements; means for sensing speed of said engine gas generator and for generating a signal commensurate therewith; means for generating signals commensurate with desired gas generator speed; means responsive to said signals commensurate with actual and desired gas generator speed for generating a speed error signal; means responsive to said gas generator speed error signal for generating an output signal when said speed error signal exceeds a predetermine magnitude, said output signal being commensurate with desired nozzle area during acceleration and deceleration; means responsive to sensed engine operating parameters for generating signals commensurate with the desired steady state nozzle area; means responsive to said steady state, start and acceleration and deceleration desired nozzle area signals for selecting and passing the nozzle area signal commensurate with maximum area; means for sensing actual nozzle area and for generating a signal commensurate therewith; and means responsive to said actual and selected desired nozzle area signals for generating nozzle area error signals for application to said nozzle area varying means.
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
| 一种基于预测的自动变速器多参数融合换挡策略 | 2020-05-12 | 65 |
| 一种连续回转电液伺服马达参数辨识方法 | 2020-05-13 | 105 |
| 无人驾驶电动汽车轨迹跟踪和横向稳定性综合控制方法 | 2020-05-13 | 505 |
| 不确定混沌系统间接自适应模糊最优同步控制器设计方法 | 2020-05-14 | 381 |
| 一种城市排水管道的有限时间控制方法 | 2020-05-13 | 71 |
| 开关电源Buck变换器的快响应滤波反步控制方法 | 2020-05-12 | 261 |
| 用于数据驱动型移动技能训练的系统和方法 | 2020-05-12 | 732 |
| 一种不确定性直流微电网输出反馈模糊模型预测控制方法 | 2020-05-12 | 920 |
| 一种考虑全状态约束的电机自抗扰自适应控制方法 | 2020-05-11 | 228 |
| 一种广告屏消防预警及联动系统 | 2020-05-11 | 180 |
高效检索全球专利专利汇是专利免费检索,专利查询,专利分析-国家发明专利查询检索分析平台，是提供专利分析，专利查询，专利检索等数据服务功能的知识产权数据服务商。
我们的产品包含105个国家的1.26亿组数据，免费查、免费专利分析。
分析报告
专利汇分析报告产品可以对行业情报数据进行梳理分析，涉及维度包括行业专利基本状况分析、地域分析、技术分析、发明人分析、申请人分析、专利权人分析、失效分析、核心专利分析、法律分析、研发重点分析、企业专利处境分析、技术处境分析、专利寿命分析、企业定位分析、引证分析等超过60个分析角度，系统通过AI智能系统对图表进行解读，只需1分钟，一键生成行业专利分析报告。
QQ群二维码
意见反馈
意见反馈