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71. 发明公开

EP0835413A4 MIXED REFRIGERANT CRYOGENIC VAPOR COMPRESSION CYCLE 失效
标题翻译：与混合制冷剂低温蒸汽压缩电路
公开(公告)号：EP0835413A4
公开(公告)日：2001-11-14
申请号：EP96923365
申请日：1996-06-21
申请人： APD CRYOGENICS INC
发明人： LONGSWORTH RALPH CADY , BOIARSKY MIKHAIL J , KHATRI AJAY
IPC分类号： F25B1/00 , C09K5/04 , F17C13/00 , F25B9/00 , F25B41/06 , F25B19/00
CPC分类号： F25B9/006 , F17C13/006 , F17C2221/012 , F17C2221/017 , F17C2221/038 , F17C2223/0161 , F17C2223/033 , Y02E60/321
摘要： A closed cycle cryogenic refrigerating system (10) with a fixed restrictor (28) operates with a compressor inlet (22) pressure in a range of 0.1 Mpa and 2.5 Mpa. A basic cryogenic refrigerant mixture is used to which is added approximately 3 % to 25 % of helium, hydrogen and/or neon. A ratio of refrigerant density at the inlet of the fixed restrictor (28) between steady-state operation and operation at the beginning of cool-down is in an approximate range of 7 to 17. Relatively rapid cool-down is achieved and evaporator (3) temperature is maintained in an approximate range of 70K to 120K.

72. 发明授权

EP0650574B1 CRYOGENIC REFRIGERATOR WITH SINGLE STAGE COMPRESSOR 失效
标题翻译：带单级压缩机的低温冰箱
公开(公告)号：EP0650574B1
公开(公告)日：1999-10-27
申请号：EP94915944.6
申请日：1994-04-29
申请人： APD CRYOGENICS INC.
发明人： LONGSWORTH, Ralph, C.
IPC分类号： F25B19/02
CPC分类号： F25B9/02 , F25B9/006 , F25B31/004 , F25B2400/12
摘要： A closed cycle refrigerating system for cryogenic temperatures using a single stage compressor (12) with a refrigerant comprising a gas mixture. The refrigerating system includes a heat exchanger (28) having a throttling orifice (34) which is arranged to provide refrigeration, and a single stage oil lubricated compressor (12) for compressing the refrigerant. The compressor is typically of the rolling piston type. The refrigerant is a mixture of at least one cryogenic gas having a normal boiling point below 120 degrees K and at least two other gases having normal boiling point temperatures below 300 degrees K different from each other and from said one gas. There is also included means (18) for cooling the compressed refrigerant and for circulating the cooled refrigerant to the heat exchanger and its throttling orifice and then back to the compressor. The system does not require any cascaded heat exchangers or intermediate phase separators.
摘要翻译：一种用于使用单级压缩机（12）的低温温度闭合循环制冷系统以及包括气体混合物的制冷剂。该制冷系统包括具有布置成提供制冷的节流孔（34）的热交换器（28）和用于压缩制冷剂的单级油润滑压缩机（12）。压缩机通常是滚动活塞式的。制冷剂是至少一种具有低于120K的标准沸点的低温气体和至少两种具有彼此不同的低于300K的标准沸点温度的其他气体与所述一种气体的混合物。还包括用于冷却压缩制冷剂并用于将冷却制冷剂循环到热交换器及其节流孔并然后返回到压缩机的装置（18）。该系统不需要任何级联热交换器或中间相分离器。

73. 发明公开

EP0650574A4 CRYOGENIC REFRIGERATOR WITH SINGLE STAGE COMPRESSOR. 失效
标题翻译： TIEFSTTEMPERATURKÄLTEANLAGEMIT EINSTUFIGEM VERDICHTER。
公开(公告)号：EP0650574A4
公开(公告)日：1998-01-21
申请号：EP94915944
申请日：1994-04-29
申请人： APD CRYOGENICS INC
发明人： LONGSWORTH RALPH C
IPC分类号： F25B1/00 , F25B9/00 , F25B9/02 , F25B31/00 , F25B19/02
CPC分类号： F25B9/02 , F25B9/006 , F25B31/004 , F25B2400/12
摘要： A closed cycle refrigerating system for cryogenic temperatures using a single stage compressor (12) with a refrigerant comprising a gas mixture. The refrigerating system includes a heat exchanger (28) having a throttling orifice (34) which is arranged to provide refrigeration, and a single stage oil lubricated compressor (12) for compressing the refrigerant. The compressor is typically of the rolling piston type. The refrigerant is a mixture of at least one cryogenic gas having a normal boiling point below 120 degrees K and at least two other gases having normal boiling point temperatures below 300 degrees K different from each other and from said one gas. There is also included means (18) for cooling the compressed refrigerant and for circulating the cooled refrigerant to the heat exchanger and its throttling orifice and then back to the compressor. The system does not require any cascaded heat exchangers or intermediate phase separators.
摘要翻译：一种用于使用单级压缩机（12）的低温温度闭合循环制冷系统以及包括气体混合物的制冷剂。该制冷系统包括具有布置成提供制冷的节流孔（34）的热交换器（28）和用于压缩制冷剂的单级油润滑压缩机（12）。压缩机通常是滚动活塞式的。制冷剂是至少一种具有低于120K的标准沸点的低温气体和至少两种具有彼此不同的低于300K的标准沸点温度的其他气体与所述一种气体的混合物。还包括用于冷却压缩制冷剂并用于将冷却制冷剂循环到热交换器及其节流孔并然后返回到压缩机的装置（18）。该系统不需要任何级联热交换器或中间相分离器。

74. 发明公开

EP0811134A1 VIBRATIONALLY ISOLATED CRYOGENIC DEVICE 失效
标题翻译：振动隔离低温装置
公开(公告)号：EP0811134A1
公开(公告)日：1997-12-10
申请号：EP96906641.0
申请日：1996-02-26
申请人： APD CRYOGENICS INC.
发明人： HILL, Dennis , LONGSWORTH, Ralph, C.
IPC分类号： G01R33 , F17C13 , F25B9 , F25D19 , G01J5
CPC分类号： F17C13/006 , F17C2223/0161 , F17C2227/0337 , F25D19/006 , G01J5/061
摘要： A cryogenic cold head (18) in a canister (14) is partially surrounded by an isolation mass (32). An open portion of the mass (32) permits access for connection of a vapor compression refrigeration unit (22) to the cold head (18), which is highly conductive. Straps (34) of braided copper suspend the isolation mass (32) from the cold head (18), made cold by the refrigeration unit (22). A temperature differential between the cold head (18) and a device-mounting interface (38) on the isolation mass (32) is preferably less than 2.5K per watt of heat transferred. For further vibration isolation, the device (12) is separated from the isolation mass (32) by another braided strap (24) and supported in the canister (14) by struts (16).
摘要翻译：罐（14）中的低温冷头（18）被隔离块（32）部分地包围。质量块（32）的开口部分允许进入蒸气压缩制冷单元（22）到高度导电的冷头（18）的连接。编织铜带（34）将隔离块（32）从冷头（18）悬挂下来，由冷却单元（22）冷却。冷头（18）与隔离质量块（32）上的设备安装接口（38）之间的温度差优选小于2.5K每瓦传递的热量。为了进一步振动隔离，装置（12）通过另一编织带（24）与隔离质量块（32）分离并且通过支柱（16）支撑在罐（14）中。

75. 发明授权

EP0167161B1 Parallel wrapped tube heat exchanger 失效
标题翻译：平行缠绕管热交换器
公开(公告)号：EP0167161B1
公开(公告)日：1989-11-08
申请号：EP85108285.9
申请日：1985-07-04
申请人： APD CRYOGENICS INC.
发明人： Longsworth, Ralph Cady , Steyert, William Albert
IPC分类号： F25B9/02 , F25J1/02
CPC分类号： F28F13/08 , F25B9/02 , F25B2500/01 , F25J5/002 , F25J2215/30 , F25J2270/912 , F25J2290/42 , F25J2290/44

76. 发明公开

EP1965157A2 Fail-safe oil lubricated helium compressor unit with oil-free gas delivery 审中-公开
标题翻译： öges ch te Hel hr hr hr hr hr hr hr hr hr hr hr hr hr
公开(公告)号：EP1965157A2
公开(公告)日：2008-09-03
申请号：EP08008753.9
申请日：2001-08-10
申请人： IGC-APD Cryogenics, Inc.
发明人： Longsworth, Ralph C.
IPC分类号： F25B43/02 , F25B31/00 , F04B39/04
CPC分类号： F04B39/16 , F04B39/04 , F25B9/14 , F25B31/004 , F25B43/003 , F25B43/02
摘要： In an oil-lubricated helium compressor unit, the adsorber can retain all of the oil that might be transferred from the compressor to the adsorber before the system shuts down. No oil is ever transferred or transferable to, for example, the expander in a GM type refrigeration system connected to the unit. The compressor itself will shut down because of a protective switch or seize for lack of oil before any oil carries outside the compressor unit. The unit and the connected refrigeration system can run for more than a selected design life before the compressor shuts down because the limit of oil in the adsorber has been reached. The adsorber can retain as much oil as might leave the compressor over the life of the system plus a safety margin of at least 25%. The adsorber need not be serviced or re-placed for the life of the system.
摘要翻译：在油润滑的氦压缩机单元（10）中，吸收器（34）可以在系统关闭之前保持可能从压缩机（12）传递到吸附器（34）的所有油。没有油被转移或转移到例如连接到单元（10）的GM型制冷系统中的膨胀器。压缩机（12）本身将由于保护开关而关闭，或者在任何油承载在压缩机单元（10）之外的情况下，因为缺油而被卡住。由于已经达到吸附器（34）中的油的极限，在压缩机（12）关闭之前，单元（10）和所连接的制冷系统可运行超过选定的设计寿命。吸附器（34）可以保留尽可能多的油，以使得在整个系统寿命期间离开压缩机（12）加上至少25％的安全裕度。在系统的使用寿命内不需要对吸附器（34）进行维修或更换。

77. 发明公开

EP1197711A3 Fail-safe oil lubricated helium compressor unit with oil-free gas delivery 有权
标题翻译：安全运行，油润滑压缩机氦与无油的气体放
公开(公告)号：EP1197711A3
公开(公告)日：2002-10-23
申请号：EP01119291.1
申请日：2001-08-10
申请人： IGC-APD Cryogenics, Inc.
发明人： Longsworth, Ralph C.
IPC分类号： F25B43/02 , F25B31/00 , F04B39/04
CPC分类号： F04B39/16 , F04B39/04 , F25B9/14 , F25B31/004 , F25B43/003 , F25B43/02
摘要： In an oil-lubricated helium compressor unit (10), the adsorber (34) can retain all of the oil that might be transferred from the compressor (12) to the adsorber (34) before the system shuts down. No oil is ever transferred or transferable to, for example, the expander in a GM type refrigeration system connected to the unit (10). The compressor (12) itself will shut down because of a protective switch or seize for lack of oil before any oil carries outside the compressor unit (10). The unit (10) and the connected refrigeration system can run for more than a selected design life before the compressor (12) shuts down because the limit of oil in the adsorber (34) has been reached. The adsorber (34) can retain as much oil as might leave the compressor (12) over the life of the system plus a safety margin of at least 25%. The adsorber (34) need not be serviced or replaced for the life of the system.

78. 发明公开

EP1188025A1 HYBRID-TWO-STAGE PULSE TUBE REFRIGERATOR 有权
标题翻译： HYBRID，两级SHOCK管式冷却器
公开(公告)号：EP1188025A1
公开(公告)日：2002-03-20
申请号：EP01930536.6
申请日：2001-04-16
申请人： IGC-APD Cryogenics, Inc.
发明人： GAO, Jin, Lin
IPC分类号： F25B9/00
CPC分类号： F25B9/145 , F25B9/10 , F25B2309/1408 , F25B2309/1411 , F25B2309/1418 , F25B2309/1424 , F25B2309/14241
摘要： A two-stage pulse tube refrigerator comprises a pressure wave generator-compressor (32), first stage (16) and second stage (18) regenerators, first stage (12) and second stage (14) pulse tubes, heat exchangers (20, 22, 24, 26) and a hybrid phase shift mechanism for the first (12) and second stage (14) pulse tubes. The second stage phase shift mechanism includes double fixed orifices (40, 42) while the first stage shifter is an arrangement including one of a) 4 valves, b) 5 valves, c) 2 active buffers or d) 3 active buffers. The double fixed orifice phase shifter is located either at room temperature or is thermally connected with the first stage cold end. Two-stage pulse tube refrigerators with a hybrid phase shifter have increased second stage regenerator performance at lower temperature. Pressure drop through the valves and compressor power consumption are decreased, and losses from phase interaction between each stage are eliminated.

79. 发明公开

EP0858576A1 CLOSED CYCLE CRYOGENIC REFRIGERATION SYSTEM WITH AUTOMATIC VARIABLE FLOW AREA THROTTLING DEVICE 失效
标题翻译：配备闭路电视和自动流区域节流装置低温冷却器
公开(公告)号：EP0858576A1
公开(公告)日：1998-08-19
申请号：EP96923621.0
申请日：1996-07-02
申请人： APD CRYOGENICS INC.
发明人： BOIARSKI, Michael , LONGSWORTH, Ralph, C. , YUDIN, Boris , HILL, Dennis, H. , KLUSMIER, Lawrence, A. , KHATRI, Ajay, N. , OWOC, Anthony, L.
IPC分类号： F17C3 , F25B9 , G05D23 , F25B41
CPC分类号： F17C3/085 , F17C2205/0326 , F17C2205/0329 , F17C2223/0161 , F17C2227/0353 , F17C2227/0355 , F17C2250/0631 , F17C2250/0636 , F25B9/02 , F25B41/062 , F25B2309/022 , F25B2400/12 , G05D23/022
摘要： An integral combination of expansion valve and evaporator in a cryostat using a single support member. The valve includes two flow orifices, one orifice (62) being used primarily for steady-state operation and the other orifice (44) being used only during cool-down. An actuator (28) having a high coefficient of thermal expansion moves a needle (46) positioned in the cool-down orifice (44) such that a large orifice flow area at the start of cool-down is automatically and continously reduced as the actuator (28) temperature decreases as refrigerant is throttled through the orifice. Within a range of approximately 30K from the desired steady-state evaporator temperature, the needle (46) completely blocks the cool-down orifice (44). Then, refrigerant flows through the steady-state orifice (62) which has a remotely adjustable needle (68). In the final stage of cool-down, the refrigerant system is entirely controlled by the steady-state orifice (62) and its associated needle (68).

80. 发明公开

EP0229666A1 Parallel wrapped tube heat exchanger 失效
标题翻译： Wärmetauschermit parallel gewickelten Rohren。
公开(公告)号：EP0229666A1
公开(公告)日：1987-07-22
申请号：EP87100416.4
申请日：1987-01-14
申请人： APD CRYOGENICS INC.
发明人： Longsworth, Ralph Cady , Steyert, William Albert
IPC分类号： F28D7/10 , F28F1/02
CPC分类号： F28F1/02 , F25B9/02 , F25B2500/01 , F25J5/002 , F25J2215/30 , F25J2270/912 , F25J2290/42 , F25J2290/44 , F28D7/08 , F28D2021/0033 , F28F1/006
摘要： A counter flow heat exchanger comprising a plurality of tubes disposed in a bundle array or tube within tube configuration to enhance heat transfer between high and low pressure tubes in the array or tube in tube configuration. Also disclosed are a method of increasing the heat transfer capacity of a tube bundle heat exchanger and a liquid helium temperature refrigerator or a reliquefier utilizing the heat exchanger.
摘要翻译：一种逆流式热交换器，其包括多个管，其设置在管状构造内的束阵列或管中，以增强管状配置中的阵列或管中的高压管和低压管之间的热传递。还公开了增加管束热交换器和液氦温度制冷机或利用热交换器的再液化器的传热能力的方法。

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