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    • 2. 发明授权
    • Refrigeration of superconducting magnet systems
    • 超导磁体制冷
    • US5495718A
    • 1996-03-05
    • US182439
    • 1994-01-14
    • James G. PierceCharles B. HoodSibley C. BurnettJohn R. Purcell
    • James G. PierceCharles B. HoodSibley C. BurnettJohn R. Purcell
    • F17C13/00F25B25/00F17C5/02
    • F25B25/005H01F6/04
    • A refrigeration system includes a dewar and a refrigerator/liquefier which meets the variable demands of a superconducting magnet within the dewar. The system is sized to meet average loads over a defined duty cycle, and is variably operable to meed demands. In the preferred embodiment, a first supply of fluid circulates through a "condenser" element positioned in a dewar ullage to liquefy a separate supply of fluid in the dewar, and to refrigerate a pulsed cryogenic load therein, such as a superconducting magnet. A portion of the first supply of fluid may be diverted to refrigerate a second pulsed cryogenic load, such as magnet current leads permanently connected to the magnet. The dewar includes a cold gas vapor storage chamber separate from the dewar ullage, and the chamber is preferably located within the inner core of a solenoid superconducting magnet for compact and thermally efficient design. Responsive, independent adjustment of refrigeration to pulsed cryogenic loads is made possible.
    • 制冷系统包括杜瓦瓶和冰箱/液化器,其满足杜瓦瓶内的超导磁体的可变需求。 该系统的尺寸适合于在规定的工作周期内满足平均负载,并且可变地可操作以满足需求。 在优选实施例中,第一流体供应通过位于杜瓦瓶中的“冷凝器”元件循环,以液化杜瓦瓶中的单独的液体供应,并使其中的脉冲低温负载(例如超导磁体)冷藏。 第一流体供应的一部分可以被转向以冷却第二脉冲低温负载,例如永久地连接到磁体的磁体电流引线。 杜瓦瓶包括与杜瓦瓶分离的冷气体蒸气储存室,腔室优选位于螺线管超导磁体的内芯内,用于紧凑和热效率的设计。 对脉冲低温负载进行制冷的独立调整成为可能。
    • 3. 发明授权
    • Gas charged sprayer
    • 充气喷雾器
    • US3937367A
    • 1976-02-10
    • US580765
    • 1975-05-27
    • Charles B. Hood
    • Charles B. Hood
    • B05B9/08B65D83/14B65D83/06
    • B65D83/60B05B9/002B05B9/0833
    • A manually portable spray tank includes a plug-like adapter mounted in the filler opening or mouth of the tank to receive and hold a pressurized can or canister containing a liquid propellant. The adapter includes a depending, elongated heat exchanger tube or trap which is closed at its lower end and which extends almost to the bottom of the tank for direct heat exchange contact with the liquid contained in the tank. Liquid propellant under pressure flows from the supply can into the heat exchanger tube or trap where it is vaporized by heat from the spray liquid in the tank. The vaporized propellant then passes under relatively high pressure outwardly through a comparatively small opening in the upper end of the heat exchanger tube into the ullage of the tank to pressurize the column of spray liquid in the tank and thereby insure its forcible discharge from the outlet of the spray tank.
    • 手动便携式喷雾罐包括安装在罐的加料口或口中的塞状适配器,用于容纳和保持包含液体推进剂的加压罐或罐。 适配器包括垂直的细长的热交换器管或捕集器,其在其下端处封闭,并且几乎延伸到罐的底部,用于与容纳在罐中的液体直接热交换接触。 压力下的液体推进剂从供应罐流入热交换器管或捕集器,在其中通过来自罐中喷雾液体的热量蒸发。 汽化的推进剂然后通过相对较高的压力通过热交换器管的上端中相对小的开口进入罐的空腔,以对罐中的喷射液体柱进行加压,从而确保其强力从出口 喷雾罐。
    • 5. 再颁专利
    • Refrigeration of superconducting magnet system
    • 超导磁体制冷
    • USRE36332E
    • 1999-10-12
    • US33946
    • 1998-03-02
    • James G. PierceCharles B. HoodSibley C. BurnettJohn R. Purcell
    • James G. PierceCharles B. HoodSibley C. BurnettJohn R. Purcell
    • F17C13/00F25B25/00F17C5/02
    • F25B25/005H01F6/04
    • A refrigeration system includes a dewar and a refrigerator/liquefier which meets the variable demands of a superconducting magnet within the dewar. The system is sized to meet average loads over a defined duty cycle, and is variably operable to meed demands. In the preferred embodiment, a first supply of fluid circulates through a "condenser" element positioned in a dewar ullage to liquefy a separate supply of fluid in the dewar, and to refrigerate a pulsed cryogenic load therein, such as a superconducting magnet. A portion of the first supply of fluid may be diverted to refrigerate a second pulsed cryogenic load, such as magnet current leads permanently connected to the magnet. The dewar includes a cold gas vapor storage chamber separate from the dewar ullage, and the chamber is preferably located within the inner core of a solenoid superconducting magnet for compact and thermally efficient design. Responsive, independent adjustment of refrigeration to pulsed cryogenic loads is made possible.
    • 制冷系统包括杜瓦瓶和冰箱/液化器,其满足杜瓦瓶内的超导磁体的可变需求。 该系统的尺寸适合于在规定的工作周期内满足平均负载,并且可变地可操作以满足需求。 在优选实施例中,第一流体供应通过位于杜瓦瓶中的“冷凝器”元件循环,以液化杜瓦瓶中的单独的液体供应,并使其中的脉冲低温负载(例如超导磁体)冷藏。 第一流体供应的一部分可以被转向以冷却第二脉冲低温负载,例如永久地连接到磁体的磁体电流引线。 杜瓦瓶包括与杜瓦瓶分离的冷气体蒸气储存室,腔室优选位于螺线管超导磁体的内芯内,用于紧凑和热效率的设计。 对脉冲低温负载进行制冷的独立调整成为可能。
    • 7. 发明授权
    • Method and system for densifying cryogenic propellants
    • 致密化低温推进剂的方法和系统
    • US06968704B2
    • 2005-11-29
    • US10386085
    • 2003-03-11
    • Charles B. Hood
    • Charles B. Hood
    • F25J3/02B64G1/40B64G5/00C06D5/00F02K9/44F25J1/02F17C11/00
    • B64G5/00B64G1/402
    • The present invention relates to methods and systems for densifying liquids, specifically the densification of cryogenic propellants. A preferred system of the present invention subcools and densifies liquid propellants by utilizing a countercurrent gas or liquid flow. The countercurrent flow preferably utilizes a gas having a lower boiling point than the propellants. A packed tower may then be used, at or above atmospheric pressure, to introduce the countercurrent flow to the propellant. This methodology avoids the costs and problems associated with subatmospheric operation. A preferred embodiment is directed toward the densification of liquid oxygen, with a similar embodiment directed toward the simultaneous densification of liquid oxygen and liquid hydrogen. Systems and methods of the present invention may also be used to densify other liquids in similar fashion.
    • 本发明涉及用于致密化液体的方法和系统,特别是低温推进剂的致密化。 本发明优选的系统通过利用逆流气体或液体流将冷凝和致密化液体推进剂。 逆流优选利用具有比推进剂低的沸点的气体。 然后可以在大气压或高于大气压下使用填充塔以将逆流引入推进剂。 这种方法避免了与低于大气压运行相关的成本和问题。 优选的实施方案涉及液氧的致密化,其中类似的实施方案涉及液氧和液氢的同时致密化。 本发明的系统和方法也可用于以类似的方式致密化其它液体。
    • 8. 发明授权
    • Refrigeration of superconducting magnet systems
    • 超导磁体制冷
    • US5697220A
    • 1997-12-16
    • US610381
    • 1996-03-04
    • James G. PierceCharles B. HoodSibley C. BurnettJohn R. Purcell
    • James G. PierceCharles B. HoodSibley C. BurnettJohn R. Purcell
    • F17C13/00F25B25/00F17C1/00
    • F25B25/005H01F6/04
    • A refrigeration system includes a dewar and a refrigerator/liquefier which meets the variable demands of a superconducting magnet within the dewar. The system is sized to meet average loads over a defined duty cycle, and is variably operable to meed demands. In the preferred embodiment, a first supply of fluid circulates through a "condenser" element positioned in a dewar ullage to liquefy a separate supply of fluid in the dewar, and to refrigerate a pulsed cryogenic load therein, such as a superconducting magnet. A portion of the first supply of fluid may be diverted to refrigerate a second pulsed cryogenic load, such as magnet current leads permanently connected to the magnet. The dewar includes a cold gas vapor storage chamber separate from the dewar ullage, and the chamber is preferably located within the inner core of a solenoid superconducting magnet for compact and thermally efficient design. Responsive, independent adjustment of refrigeration to pulsed cryogenic loads is made possible.
    • 制冷系统包括杜瓦瓶和冰箱/液化器,其满足杜瓦瓶内的超导磁体的可变需求。 该系统的尺寸适合于在规定的工作周期内满足平均负载,并且可变地可操作以满足需求。 在优选实施例中,第一流体供应通过位于杜瓦瓶中的“冷凝器”元件循环,以液化杜瓦瓶中的单独的液体供应,并使其中的脉冲低温负载(例如超导磁体)冷藏。 第一流体供应的一部分可以被转向以冷却第二脉冲低温负载,例如永久地连接到磁体的磁体电流引线。 杜瓦瓶包括与杜瓦瓶分离的冷气体蒸气储存室,腔室优选位于螺线管超导磁体的内芯内,用于紧凑和热效率的设计。 对脉冲低温负载进行制冷的独立调整成为可能。