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    • 2. 发明授权
    • Measuring seebeck coefficient
    • 测量贝贝克系数
    • US09140612B2
    • 2015-09-22
    • US13403835
    • 2012-02-23
    • G. Jeffrey Snyder
    • G. Jeffrey Snyder
    • G01K7/00G01K7/02G01N25/32
    • G01K7/02G01N25/32
    • A high temperature Seebeck coefficient measurement apparatus and method with various features to minimize typical sources of errors is described. Common sources of temperature and voltage measurement errors which may impact accurate measurement are identified and reduced. Applying the identified principles, a high temperature Seebeck measurement apparatus and method employing a uniaxial, four-point geometry is described to operate from room temperature up to 1300K. These techniques for non-destructive Seebeck coefficient measurements are simple to operate, and are suitable for bulk samples with a broad range of physical types and shapes.
    • 描述了具有各种特征的高温塞贝克系数测量装置和方法以最小化典型的误差源。 识别和减少可能影响精确测量的常见温度和电压测量误差源。 应用确定的原理,描述了采用单轴四点几何形状的高温塞贝克测量装置和方法,从室温至1300K进行操作。 这些用于非破坏性塞贝克系数测量的技术操作简单,适用于具有广泛物理类型和形状的散装样品。
    • 6. 发明授权
    • Micro-combustion power system with dual path counter-flow system
    • 具有双路逆流系统的微燃电力系统
    • US08614392B1
    • 2013-12-24
    • US12584460
    • 2009-09-04
    • Ying HsuItzhak SapirPaul RonneyG. Jeffrey Snyder
    • Ying HsuItzhak SapirPaul RonneyG. Jeffrey Snyder
    • H01L35/32
    • H01L35/32H01L35/30
    • A micro-combustion power system is disclosed. The invention is comprised of a housing that further comprises two flow path volumes, each having generally opposing flow path directions and each generally having opposing configurations.Each flow path volume comprises a pre-heating volume having at least one pre-heating heat exchange structure. Each flow path volume further comprises a combustion volume having a combustion means or structure such as a catalytic material disposed therein Further, each flow path volume comprise a post-combustion volume having at least one post-combustion heat exchange structure.One or more thermoelectric generator means is in thermal communication with at least one of the combustion volumes whereby thermal energy generated by an air/fuel catalytic reaction in the combustion volume is transferred to the thermoelectric generator to convert same to electrical energy for use by an external circuit.A novel element of the invention relates to the opposing configuration and opposing flow path directions of the respective flow path volumes. The pre-heating heat exchange structure in the first flow path volume and the opposing post-combustion heat exchange structure are comprised of a shared, thermally conductive structure and material. In this embodiment, waste heat from the exhaust gas in the post-combustion chamber is thermally transferred to the opposing pre-heating volume to heat the air/fuel mixture therein to a suitable pre-combustion temperature to take advantage of waste heat while better managing thermal/cooling issues of the device during operation.
    • 公开了一种微型燃烧动力系统。 本发明包括一个壳体,该壳体还包括两个流动通道体积,每个流动通道容积具有大致相对的流动路径方向,并且各自通常具有相对的构 每个流路体积包括具有至少一个预热热交换结构的预热体积。 每个流动路径体积还包括具有燃烧装置或结构(诸如设置在其中的催化材料)的燃烧体积。此外,每个流路容积包括具有至少一个后燃烧热交换结构的后燃烧体积。 一个或多个热电发生器装置与燃烧体积中的至少一个热交换,由此由燃烧体积中的空气/燃料催化反应产生的热能转移到热电发电机以将其转换为电能供外部使用 电路。 本发明的新颖元件涉及各个流路体积的相对构造和相对的流动路径方向。 第一流路体积中的预热热交换结构和相对的后燃烧热交换结构由共用的导热结构和材料构成。 在该实施例中,来自后燃烧室中来自废气的废热被热转移到相对的预热体积以将其中的空气/燃料混合物加热到合适的预燃温度以利用废热,同时更好地管理 操作期间设备的热/冷却问题。
    • 7. 发明申请
    • THERMOELECTRIC COOLING SYSTEM UTILIZING THE THOMSON EFFECT
    • 热电冷却系统利用THOMSON效应
    • US20130074898A1
    • 2013-03-28
    • US13625664
    • 2012-09-24
    • G. Jeffrey Snyder
    • G. Jeffrey Snyder
    • H01L35/32
    • H01L35/16H01L35/26
    • Thermoelectric cooling systems are disclosed that utilize the Thomson effect. The disclosed systems can be used, for example, in cryogenic applications. In one aspect, a system is provided for thermoelectric cooling. The system comprises a pair of semiconductor elements, a cold plate and a hot plate. The pair of semiconductor elements comprises a P-type semiconductor element having a first carrier concentration and an N-type semiconductor element having a second carrier concentration. The first carrier concentration is functionally graded over the P-type semiconductor element and the second carrier concentration is functionally graded over the N-type semiconductor element. Each semiconductor element has a cold end and a hot end. The cold plate is thermally coupled to the cold ends of the P-type semiconductor elements and the N-type semiconductor element. The hot plate is thermally coupled to the hot ends of the P-type semiconductor element and the N-type semiconductor element.
    • 公开了利用汤姆逊效应的热电冷却系统。 所公开的系统可以用于例如低温应用中。 在一个方面,提供一种用于热电冷却的系统。 该系统包括一对半导体元件,冷板和热板。 该对半导体元件包括具有第一载流子浓度的P型半导体元件和具有第二载流子浓度的N型半导体元件。 第一载流子浓度在P型半导体元件上功能上分级,并且第二载流子浓度在功能上在N型半导体元件上分级。 每个半导体元件具有冷端和热端。 冷板热耦合到P型半导体元件和N型半导体元件的冷端。 热板热耦合到P型半导体元件和N型半导体元件的热端。