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    • 3. 发明授权
    • Communicating using sonar signals at multiple frequencies
    • 在多个频率下使用声纳信号进行通信
    • US08102733B2
    • 2012-01-24
    • US12075382
    • 2008-03-10
    • John W. RappJoseph S. Lee
    • John W. RappJoseph S. Lee
    • G01S15/00H04B11/00
    • G01S15/74H04B11/00
    • An embodiment of an apparatus includes a communication circuit and a transducer array coupled to the communication circuit. The communication circuit is operable to generate first and second information signals, and the transducer array is operable to generate in response to the first information signal a first sonar signal having a first frequency, and to generate in response to the second information signal a second sonar signal having a second frequency. The transducer array may generate the first and second sonar signals simultaneously to increase the transmission bandwidth. Where such an apparatus is a buoy, then the buoy may relay signals from an above-surface vessel to an unmanned underwater vehicle (UUV), and may relay signals from the UUV to the vessel. Therefore, the buoy allows the vessel to control the UUV without a cable linking the buoy and the vessel, and thus allows one to eliminate such a cable.
    • 装置的实施例包括通信电路和耦合到通信电路的换能器阵列。 通信电路可操作以产生第一和第二信息信号,并且换能器阵列可操作以响应于第一信息信号产生具有第一频率的第一声纳信号,并响应于第二信息信号产生第二声纳 信号具有第二频率。 换能器阵列可以同时产生第一和第二声纳信号以增加传输带宽。 在这种装置是浮标的情况下,浮标可以将信号从上面的船舶传递到无人水下航行器(UUV),并且可以将信号从UUV传送到船舶。 因此,浮标允许船舶控制UUV,而不需要连接浮标和船只的电缆,从而可以消除这种电缆。
    • 7. 发明申请
    • COMBINED BRAYTON - RANKINE CYCLE
    • 组合BRAYTON - RANKINE CYCLE
    • US20100154381A1
    • 2010-06-24
    • US12343954
    • 2008-12-24
    • John W. RappNicholas J. Nagurny
    • John W. RappNicholas J. Nagurny
    • F01K25/10F02C6/18F01K23/06H02K7/18F03G7/05
    • F02C6/18F01K23/10F01K25/106F02C3/22F02C6/14Y02E10/34
    • A power generation system that comprises a first power generator; a first turbine operable to drive the first power generator; a vaporizer operable to vaporize a working fluid, wherein the vaporized working fluid turns the first turbine; and a condenser operable to condense the vaporized working fluid exiting the first turbine, wherein the condenser is coupled to the vaporizer such that the condensed working fluid is vaporized in the vaporizer. The power generation system also comprises a second power generator; a second turbine operable to burn a fuel to drive the second power generator; a switch to selectively operate the second turbine independently of the first turbine; and a heat exchanger coupled to the second turbine to receive flue gas from the second turbine when operated, wherein heat is transferred in the heat exchanger from the flue gas to the vaporized working fluid after the vaporized working fluid exits the vaporizer and prior to the vaporized working fluid entering the first turbine.
    • 一种发电系统,包括第一发电机; 可操作以驱动第一发电机的第一涡轮机; 蒸发器,可操作以蒸发工作流体,其中蒸发的工作流体转动第一涡轮; 以及冷凝器,其可操作以冷凝离开所述第一涡轮机的蒸发的工作流体,其中所述冷凝器联接到所述蒸发器,使得所述冷凝的工作流体在所述蒸发器中蒸发。 发电系统还包括第二发电机; 第二涡轮,其可操作以燃烧燃料以驱动所述第二发电机; 独立于第一涡轮机选择性地操作第二涡轮机的开关; 以及耦合到所述第二涡轮机的热交换器,以在操作时接收来自所述第二涡轮机的烟道气,其中在所述蒸发的工作流体离开所述蒸发器之后并且在所述汽化之前,热量在所述热交换器中从所述烟道气传递到所述蒸发的工作流体 工作流体进入第一台涡轮。