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    • 2. 发明申请
    • COOLING SYSTEM FOR THERMAL ANALYSIS
    • 用于热分析的冷却系统
    • WO02006803A1
    • 2002-01-24
    • PCT/US2001/021890
    • 2001-07-12
    • F25B9/02G01K17/00G01N25/48G01N25/00F25B19/02H01C7/02
    • F25B9/02G01K17/00G01N25/4826G01N25/4833
    • A cooling system (10) for thermal analysis equipment provides rapid cool down and steady state operation of a differential scanning calorimeter (DSC) at any predetermined temperature between a minimal temperature and room temperature using a throttle-cycle cooler based on a single stage compressor (28). The cooling system operates with a mixed refrigerant that includes some liquid fraction at the inlet to a cryostat that houses the key cold elements for the cooling system. A temperature actuated automatic throttle valve (34) in the cooling system increase refrigerant mass flow rate when the DSC increases the heat load (and vice-versa) that is generally provided by a heater. At the same time, the valve design provides a high mass flow during cool down and automatic flow rate reduction at an intermediate temperature as the overall system approaches an operating condition during cool down.
    • 用于热分析设备的冷却系统(10)使用基于单级压缩机的节气门循环冷却器在最小温度和室温之间的任何预定温度下快速冷却和稳态操作差示扫描量热计(DSC) 28)。 冷却系统与混合制冷剂一起运行,该混合制冷剂在入口处包含一些液体馏分,该低温恒温器容纳用于冷却系统的关键冷元件。 当DSC增加通常由加热器提供的热负荷(反之亦然)时,冷却系统中的温度启动的自动节流阀(34)增加制冷剂质量流量。 同时,当冷却过程中整个系统接近工作状态时,阀门设计在冷却过程中提供高质量流量,并在中间温度下自动降低流量。
    • 4. 发明申请
    • STIRLING CYCLE CRYOCOOLER WITH OPTIMIZED COLD END DESIGN
    • 具有优化冷端设计的搅拌循环冷却器
    • WO01081840A1
    • 2001-11-01
    • PCT/US2001/012495
    • 2001-04-16
    • F25B9/00F25B9/14F25B19/02
    • F25B9/14F25B2309/001
    • A Stirling cycle cryocooler is disclosed that includes a displacer unit having a cold end and a hot end. The displacer unit (4) includes a cold cylinder housing and a displacer liner (18) disposed on the inner surface of the housing (10). A displacer assembly (12) lies within the displacer liner (18) and is slidable with respect to the lengthwise axis of the housing (10). The displacer unit also includes a regenerator unit (14). A heat acceptor (20) is affixed to the cold end of the displacer unit (4). The heat acceptor (20) transfers heat from a device such as a High Temperature Superconducting Filter to a gas such as helium located within the displacer unit (4). The heat acceptor (20) preferably includes a radial component (22) with an annular component (24). The heat acceptor advantageously decreases the heat transfer resistance between the heat acceptor and the helium gas. The Stirling cycle cryocooler is thus able to operate with reduced input power to achieve a desired lift level.
    • 公开了一种包括具有冷端和热端的置换器单元的斯特林循环低温冷却器。 置换器单元(4)包括冷缸壳体和设置在壳体(10)的内表面上的置换器衬套(18)。 置换器组件(12)位于置换器衬套(18)内并且可相对于壳体(10)的纵向轴线滑动。 置换器单元还包括再生器单元(14)。 热交换器(20)固定到置换器单元(4)的冷端。 热接收器(20)将热量从诸如高温超导过滤器的装置传递到位于置换器单元(4)内的诸如氦气的气体。 热接收器(20)优选地包括具有环形部件(24)的径向部件(22)。 受热器有利地降低了热接受体和氦气之间的传热阻力。 因此,斯特林循环低温制冷机能够以降低的输入功率进行操作,以达到所需的升程水平。
    • 8. 发明申请
    • REGULATED JOULE THOMPSON COOLING SYSTEM WITH AN ACTIVE CLOSED CONTROL LOOP FOR INCREASING RELIABILITY AND PREVENTING INSTANTANEOUS OVERHEATING
    • 具有主动关闭控制环的调节型THOMPSON冷却系统,以提高可靠性和防止瞬时过热
    • WO2012049673A3
    • 2012-07-12
    • PCT/IL2011000786
    • 2011-10-06
    • RAFAEL ADVANCED DEFENSE SYSTIBI DOVSIMCHON MORDECHAIMEIR TAMIR
    • TIBI DOVSIMCHON MORDECHAIMEIR TAMIR
    • F25B19/02
    • F25B9/02F25D19/006
    • A cryogenic Joule Thompson system for cooling an IR sensor, which includes: a valve at an orifice location to discharge refrigerant gas through; a bellows containing gas, said bellows is thermally coupled to a sensor to cause expansion or contraction of the bellows depending on the sensor temperature; and a displacement rod, one end of which is rigidly connected to the bellows and the other end of which is connected to said valve; wherein the system further includes: a resistor which is thermally coupled to said bellows; a temperature measuring element for measuring the temperature of said IR sensor, and providing the temperature measurements to a processor; a processor for receiving said temperature measurements, for detecting a state of sensor temperature increase after a period of said orifice closure or low refrigerant discharge rate below a predefined value, and for activating a current flow through said resistor.
    • 用于冷却红外传感器的低温焦耳汤普森系统,其包括:在孔口处的阀门,用于排出制冷剂气体; 包含气体的波纹管,所述波纹管热耦合到传感器以根据传感器温度引起波纹管的膨胀或收缩; 以及位移杆,其一端刚性地连接到波纹管,另一端连接到所述阀; 其中所述系统还包括:电阻器,其热耦合到所述波纹管; 用于测量所述IR传感器的温度并将温度测量值提供给处理器的温度测量元件; 用于接收所述温度测量的处理器,用于检测在所述孔关闭的时段或低制冷剂排出速率低于预定值之后的传感器温度升高的状态,以及用于激活通过所述电阻器的电流。
    • 9. 发明申请
    • 複合冷却装置
    • 复合冷却装置
    • WO2007083562A1
    • 2007-07-26
    • PCT/JP2007/050234
    • 2007-01-11
    • 三浦工業株式会社若狭 暁一色 幸博
    • 若狭 暁一色 幸博
    • F25D7/00F25B19/02F25D16/00
    • F25D31/00F25D2700/12F25D2700/16
    •  短時間で低温冷却を可能とすることを課題とする。  本発明は、冷却室2内の被冷却物3を真空冷却する真空冷却手段4と、前記被冷却物3を冷風冷却する冷風冷却手段5と、前記真空冷却手段4および前記冷風冷却手段5を制御する制御器6を備える複合冷却装置であって、前記真空冷却手段4による冷却時間,前記冷却室2内の圧力,同温度,被冷却物の温度,または前記冷却室2内の圧力,同温度および前記被冷却物3の温度のいずれかの変化量を検出する検出手段7,27,26を備え、前記制御器6は、前記真空冷却手段4による真空冷却工程後に前記冷風冷却手段5による冷風冷却工程を順次行うとともに、前記検出手段7,27,26の検出値が設定値となったとき、前記真空冷却工程から前記冷風冷却工程へ切り換えるよう構成されている。
    • 低温冷却在短时间内进行。 复合冷却装置设置有真空冷却装置(4),用于对在冷却室(2)中冷却的被检体(3)进行真空冷却; 用于以冷风吹扫对象(3)的冷风冷却装置(5); 以及用于控制真空冷却装置(4)和冷风冷却装置(5)的控制器(6)。 复合冷却装置还设置有检测装置(7,27,26),用于检测真空冷却装置(4)的冷却时间,冷却室(2)中的压力和温度,对象的温度 或冷却室(2)中的压力或温度的变化量或受试者(3)的温度变化量。 在由真空冷却装置(4)进行真空冷却之后,控制器(6)依次执行冷风冷却装置(5)的冷风冷却处理。 当由检测装置(7,27,26)检测到的值成为设定值时,真空冷却过程切换到冷风冷却过程。
    • 10. 发明申请
    • PRECOOLED CRYOGENIC ABLATION SYSTEM
    • 预处理低收缩系统
    • WO01001049A1
    • 2001-01-04
    • PCT/US2000/017349
    • 2000-06-23
    • F25B9/02A61B18/02F25D3/10F25B19/02A61B18/00
    • F25D3/10A61B18/02A61B2018/0212A61B2018/0262
    • A method and apparatus for using a secondary refrigerant (14) to precool and liquefy a primary refrigerant (12), then vaporizing and expanding the primary refrigerant to cool a cold tip (20) of a cryosurgical instrument for ablation of biological tissue, such as cardiovascular tissue, in particular endocardiac tissue and tissue inside a cardiac blood vessel. The secondary refrigerant (14) has a critical temperature above the critical temperature of the primary refrigerant (12), and a cooling temperature below the critical temperature of the primary refrigerant, thereby facilitating the use of of the precooling step to provide liquid primary refrigerant in an operating room environment in which the primary refrigerant could not otherwise be provided in the liquid phase.
    • 一种使用二次制冷剂(14)来预冷和液化一级制冷剂(12)的方法和装置,然后蒸发和膨胀一级制冷剂以冷却冷冻手术器械的冷端(20),以消除生物组织,例如 心血管组织,特别是心脏血管内的心内膜组织和组织。 二次制冷剂(14)的临界温度高于初级制冷剂(12)的临界温度,冷却温度低于初级制冷剂的临界温度,从而便于使用预冷却步骤来提供液体一级制冷剂 其中初级制冷剂不能在液相中提供的手术室环境。