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1. 发明授权

US06733569B2 Method and apparatus for separating mixtures of gases using an acoustic wave 失效
标题翻译：使用声波分离气体混合物的方法和装置
公开(公告)号：US06733569B2
公开(公告)日：2004-05-11
申请号：US10238250
申请日：2002-09-10
申请人： Drew A. Geller , Gregory W. Swift , Scott N. Backhaus
发明人： Drew A. Geller , Gregory W. Swift , Scott N. Backhaus
IPC分类号： B01N5108
CPC分类号： B01D51/08
摘要： A thermoacoustic device separates a mixture of gases. An elongated duct is provided with first and second ends and has a length that is greater than the wavelength of sound in the mixture of gases at a selected frequency, and a diameter that is greater than a thermal penetration depth in the mixture of gases. A first acoustic source is located at the first end of the duct to generate acoustic power at the selected frequency. A plurality of side branch acoustic sources are spaced along the length of the duct and are configured to introduce acoustic power into the mixture of gases so that a first gas is concentrated at the first end of the duct and a second gas is concentrated at the second end of the duct.
摘要翻译：热声装置分离出气体混合物。细长导管设置有第一和第二端，并且具有大于在选定频率的气体混合物中的声波的长度的长度，以及大于气体混合物中的热穿透深度的直径。第一声源位于管道的第一端，以产生所选频率的声功率。多个侧分支声源沿着管道的长度间隔开并且被配置成将声功率引入到气体混合物中，使得第一气体在管道的第一端集中，并且第二气体集中在第二气体管道末端。

2. 发明授权

US06658862B2 Cascaded thermoacoustic devices 失效
标题翻译：级联热声器件
公开(公告)号：US06658862B2
公开(公告)日：2003-12-09
申请号：US10125268
申请日：2002-04-18
申请人： Gregory W. Swift , Scott N. Backhaus , David L. Gardner
发明人： Gregory W. Swift , Scott N. Backhaus , David L. Gardner
IPC分类号： F25B900
CPC分类号： F02G1/0435 , F02G2243/54 , F25B9/145 , F25B2309/1402 , F25B2309/1407
摘要： A thermoacoustic device is formed with a resonator system defining at least one region of high specific acoustic impedance in an acoustic wave within the resonator system. A plurality of thermoacoustic units are cascaded together within the region of high specific acoustic impedance, where at least one of the thermoacoustic units is a regenerator unit.
摘要翻译：热声装置形成有谐振器系统，其在谐振器系统内的声波中限定至少一个具有高声阻抗的区域。多个热声单元在高声学阻抗的区域内级联在一起，其中至少一个热声单元是再生器单元。

3. 发明授权

US06644028B1 Method and apparatus for rapid stopping and starting of a thermoacoustic engine 失效
标题翻译：用于快速停止和启动热声发动机的方法和装置
公开(公告)号：US06644028B1
公开(公告)日：2003-11-11
申请号：US10176311
申请日：2002-06-20
申请人： Gregory W. Swift , Scott N. Backhaus , David L. Gardner
发明人： Gregory W. Swift , Scott N. Backhaus , David L. Gardner
IPC分类号： F01B2908
CPC分类号： F25B9/14 , F02G2243/54 , F25B9/145 , F25B2309/1403 , F25B2309/1424
摘要： A thermoacoustic engine-driven system with a hot heat exchanger, a regenerator or stack, and an ambient heat exchanger includes a side branch load for rapid stopping and starting, the side branch load being attached to a location in the thermoacoustic system having a nonzero oscillating pressure and comprising a valve, a flow resistor, and a tank connected in series. The system is rapidly stopped simply by opening the valve and rapidly started by closing the valve.
摘要翻译：具有热交换器，再生器或堆叠的热声发动机驱动系统和环境热交换器包括用于快速停止和起动的侧分支负载，该侧分支负载附接到具有非零振荡的热声系统中的位置压力并且包括串联连接的阀，流阻器和罐。系统通过打开阀门即可快速停止，并通过关闭阀门快速启动。

4. 发明授权

US06637211B1 Circulating heat exchangers for oscillating wave engines and refrigerators 失效
标题翻译：摆动波发动机和冰箱的循环热交换器
公开(公告)号：US06637211B1
公开(公告)日：2003-10-28
申请号：US10218960
申请日：2002-08-13
申请人： Gregory W. Swift , Scott N. Backhaus
发明人： Gregory W. Swift , Scott N. Backhaus
IPC分类号： F25B900
CPC分类号： F25B9/145 , F02G2243/54 , F25B2309/1402 , F25B2309/1405 , F25B2309/1416
摘要： An oscillating-wave engine or refrigerator having a regenerator or a stack in which oscillating flow of a working gas occurs in a direction defined by an axis of a trunk of the engine or refrigerator, incorporates an improved heat exchanger. First and second connections branch from the trunk at locations along the axis in selected proximity to one end of the regenerator or stack, where the trunk extends in two directions from the locations of the connections. A circulating heat exchanger loop is connected to the first and second connections. At least one fluidic diode within the circulating heat exchanger loop produces a superimposed steady flow component and oscillating flow component of the working gas within the circulating heat exchanger loop. A local process fluid is in thermal contact with an outside portion of the circulating heat exchanger loop.
摘要翻译：具有再生器或堆叠的振荡波发动机或冰箱，其中工作气体的振荡流在由发动机或冰箱的主干轴线限定的方向上发生，其包括改进的热交换器。第一和第二连接器从中继线在沿着轴线的位置处选择接近再生器或堆叠的一端分支，其中干线从连接的位置沿两个方向延伸。循环热交换器回路连接到第一和第二连接。循环热交换器回路内的至少一个流体二极管在循环热交换器回路内产生工作气体的叠加稳定流分量和振荡流分量。局部过程流体与循环热交换器回路的外部部分热接触。

5. 发明授权

US6032464A Traveling-wave device with mass flux suppression 失效
标题翻译：具有质量通量抑制的行波装置
公开(公告)号：US6032464A
公开(公告)日：2000-03-07
申请号：US234236
申请日：1999-01-20
申请人： Gregory W. Swift , Scott N. Backhaus , David L. Gardner
发明人： Gregory W. Swift , Scott N. Backhaus , David L. Gardner
IPC分类号： F02G1/043 , F01B29/10 , F02G1/02 , F25B9/00 , F25B9/14
CPC分类号： F25B9/145 , F02G1/02 , F02G2243/54 , F25B2309/1403 , F25B2309/1405 , F25B2309/1413 , F25B2309/1415
摘要： A traveling-wave device is provided with the conventional moving pistons eliminated. Acoustic energy circulates in a direction through a fluid within a torus. A side branch may be connected to the torus for transferring acoustic energy into or out of the torus. A regenerator is located in the torus with a first heat exchanger located on a first side of the regenerator downstream of the regenerator relative to the direction of the circulating acoustic energy; and a second heat exchanger located on an upstream side of the regenerator. The improvement is a mass flux suppressor located in the torus to minimize time-averaged mass flux of the fluid. In one embodiment, the device further includes a thermal buffer column in the torus to thermally isolate the heat exchanger that is at the operating temperature of the device.
摘要翻译：提供了消除常规移动活塞的行波装置。声能在通过环面内的流体的方向上循环。侧分支可以连接到环面以将声能传递到环面中或从环面传出。再生器位于环形区域中，第一热交换器相对于循环声能的方向位于再生器下游的再生器的第一侧; 以及位于再生器的上游侧的第二热交换器。改进是位于环面中的质量通量抑制器，以最小化流体的时间平均质量通量。在一个实施例中，该装置还包括在环面中的热缓冲塔，以热隔离处于设备的工作温度的热交换器。

6. 发明授权

US07908856B2 In-line stirling energy system 有权
标题翻译：在线斯特林能量系统
公开(公告)号：US07908856B2
公开(公告)日：2011-03-22
申请号：US11877816
申请日：2007-10-24
申请人： Scott N. Backhaus , Robert Keolian
发明人： Scott N. Backhaus , Robert Keolian
IPC分类号： F01B29/10 , F02G1/04 , F25B9/00 , H02N10/00 , H02N2/00 , H01L41/00
CPC分类号： F02G1/0435 , F02G2243/54 , H02K7/1815
摘要： A high efficiency generator is provided using a Stirling engine to amplify an acoustic wave by heating the gas in the engine in a forward mode. The engine is coupled to an alternator to convert heat input to the engine into electricity. A plurality of the engines and respective alternators can be coupled to operate in a timed sequence to produce multi-phase electricity without the need for conversion. The engine system may be operated in a reverse mode as a refrigerator/heat pump.
摘要翻译：使用斯特林发动机提供高效率发电机，以通过以正向模式加热发动机中的气体来放大声波。发动机连接到交流发电机，以将输入到发动机的热量转换成电。多个发动机和各个交流发电机可以被耦合以按照定时顺序操作以产生多相电而不需要转换。发动机系统可以以与冰箱/热泵相反的方式操作。

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