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    • 1. 发明申请
    • METHODS AND SYSTEMS FOR MODULATING FUEL FLOW FOR GAS TURBINE ENGINES
    • 用于调节燃气涡轮发动机的燃油流量的方法和系统
    • US20090204306A1
    • 2009-08-13
    • US12368472
    • 2009-02-10
    • Jerry Lee GoekeBrandon Philip Williams
    • Jerry Lee GoekeBrandon Philip Williams
    • F02C9/00
    • F02C9/285F23R2900/00013
    • A method of combustion stability control for a gas turbine engine is provided, and includes the steps of receiving by a stability controller, information regarding environmental and operating conditions, and comparing the environmental and operating conditions to pre-programmed information to determine if a likelihood of combustion instability exists. The method further includes the steps of determining optimal fuel modulation frequency and amplitude for the environmental condition to reduce combustion instability, if a likelihood of combustion instability exists, and actuating at least one fuel modulation valve to, at the optimal fuel modulation frequency and amplitude, reduce combustion instability, if a likelihood of combustion instability exists. Systems for modulating fuel flow are also provided.
    • 提供了一种用于燃气涡轮发动机的燃烧稳定性控制的方法,并且包括以下步骤:由稳定性控制器接收关于环境和操作条件的信息,以及将环境和操作条件与预编程信息进行比较,以确定是否存在 燃烧不稳定存在。 该方法还包括以下步骤:如果存在燃烧不稳定的可能性,则确定用于环境条件的最佳燃料调制频率和幅度以减少燃烧不稳定性,并且以最佳燃料调制频率和振幅致动至少一个燃料调节阀, 如果存在燃烧不稳定的可能性,则减少燃烧不稳定性。 还提供用于调节燃料流量的系统。
    • 3. 发明授权
    • Methods and systems for modulating fuel flow for gas turbine engines
    • 用于调节燃气轮机发动机燃油流量的方法和系统
    • US08239114B2
    • 2012-08-07
    • US12368472
    • 2009-02-10
    • Jerry Lee GoekeBrandon Philip Williams
    • Jerry Lee GoekeBrandon Philip Williams
    • G06F19/00
    • F02C9/285F23R2900/00013
    • A method of combustion stability control for a gas turbine engine is provided, and includes the steps of receiving by a stability controller, information regarding environmental and operating conditions, and comparing the environmental and operating conditions to pre-programmed information to determine if a likelihood of combustion instability exists. The method further includes the steps of determining optimal fuel modulation frequency and amplitude for the environmental condition to reduce combustion instability, if a likelihood of combustion instability exists, and actuating at least one fuel modulation valve to, at the optimal fuel modulation frequency and amplitude, reduce combustion instability, if a likelihood of combustion instability exists. Systems for modulating fuel flow are also provided.
    • 提供了一种用于燃气涡轮发动机的燃烧稳定性控制的方法,并且包括以下步骤:由稳定性控制器接收关于环境和操作条件的信息,以及将环境和操作条件与预编程信息进行比较,以确定是否存在 燃烧不稳定存在。 该方法还包括以下步骤:如果存在燃烧不稳定的可能性,则确定用于环境条件的最佳燃料调制频率和幅度以减少燃烧不稳定性,并且以最佳燃料调制频率和振幅致动至少一个燃料调节阀, 如果存在燃烧不稳定的可能性,则减少燃烧不稳定性。 还提供用于调节燃料流量的系统。
    • 4. 发明授权
    • Helicopter tactile exceedance warning system
    • 直升机触觉超警预警系统
    • US07262712B2
    • 2007-08-28
    • US10821974
    • 2004-04-12
    • Randall A. Greene
    • Randall A. Greene
    • G08B23/00
    • F02C9/285B64C13/10B64C27/04B64D43/00F05D2270/303F05D2270/3032F05D2270/44
    • A helicopter tactile accedence warning system includes a control stick and a tactile warning device attached to the control stick. A computer or micro processor and a keyboard for entering a safe temperature profile are also provided as well as a thermocouple for measuring the turbine output temperature. The computer compares the actual temperature versus the safe temperature profile and generates a signal to activate the tactile warning device when the actual temperature falls outside of the safe temperature profile to warn a pilot to abort the start. The tactile warning device is also activated during flight operations when an over stress condition occurs to thereby warn the pilot to take corrective action. In addition, the tactile warning may be activated at a first frequency as an early warning and then at a second frequency as an indication of imminent danger.
    • 直升机触觉入门警告系统包括控制杆和附接到控制棒的触觉警告装置。 还提供用于输入安全温度曲线的计算机或微处理器和键盘以及用于测量涡轮机输出温度的热电偶。 计算机将实际温度与安全温度曲线进行比较,并在实际温度超出安全温度曲线的情况下产生信号以激活触觉报警装置,以警告飞行员中止启动。 触发警告装置在飞行操作期间也会发生过应力状况,从而警告飞行员采取纠正措施。 此外,触觉警告可以以第一频率作为早期警告激活,然后以第二频率激活,作为即将发生危险的指示。
    • 8. 发明申请
    • Helicopter tactile exceedance warning system
    • 直升机触觉超警预警系统
    • US20050225456A1
    • 2005-10-13
    • US10821974
    • 2004-04-12
    • Randall Greene
    • Randall Greene
    • B64C13/10B64C27/04B64C27/56B64D31/02B64D43/00B64D45/00F02C7/26F02C9/28G08B21/00
    • F02C9/285B64C13/10B64C27/04B64D43/00F05D2270/303F05D2270/3032F05D2270/44
    • A helicopter tactile accedence warning system includes a control stick and a tactile warning device attached to the control stick. A computer or micro processor and a keyboard for entering a safe temperature profile are also provided as well as a thermocouple for measuring the turbine output temperature. The computer compares the actual temperature versus the safe temperature profile and generates a signal to activate the tactile warning device when the actual temperature falls outside of the safe temperature profile to warn a pilot to abort the start. The tactile warning device is also activated during flight operations when an over stress condition occurs to thereby warn the pilot to take corrective action. In addition, the tactile warning may be activated at a first frequency as an early warning and then at a second frequency as an indication of imminent danger.
    • 直升机触觉入门警告系统包括控制杆和附接到控制棒的触觉警告装置。 还提供用于输入安全温度曲线的计算机或微处理器和键盘以及用于测量涡轮机输出温度的热电偶。 计算机将实际温度与安全温度曲线进行比较,并在实际温度超出安全温度曲线的情况下产生信号以激活触觉报警装置,以警告飞行员中止启动。 触发警告装置在飞行操作期间也会发生过应力状况,从而警告飞行员采取纠正措施。 此外,触觉警告可以以第一频率作为早期警告激活,然后以第二频率激活,作为即将发生危险的指示。