公开(公告)号：WO02001121A1

公开(公告)日：2002-01-03

申请号：PCT/US2001/020550

申请日：2001-06-28

IPC: C09K5/04 ,  C09K5/10 ,  F25B9/00 ,  F25B39/02 ,  F25B41/04 ,  F25B47/02 ,  F25D31/00 ,  F28D7/02

CPC classification number: C09K5/10 ,  C09K5/045 ,  C09K2205/112 ,  C09K2205/13 ,  C09K2205/22 ,  F25B9/006 ,  F25B39/02 ,  F25B41/043 ,  F25B47/022 ,  F25B2400/16 ,  F25B2400/18 ,  F25B2700/21175 ,  F25D31/002 ,  F28D7/024

Abstract: A standard refrigeration pressure regulating valve (136) limits the minimum temperature produced by a refrigeration process, which uses a refrigerant mixture including at least two components whose normal boiling points differ by at least 50 DEG C. Limiting the lowest temperature prevents freezout of the refrigerant.

Abstract translation: 标准制冷压力调节阀（136）限制制冷过程产生的最低温度，其使用包含至少两个正沸点相差至少50℃的组分的制冷剂混合物。限制最低温度防止制冷剂的冷却 。

公开(公告)号：WO02001120A1

公开(公告)日：2002-01-03

申请号：PCT/US2001/020548

申请日：2001-06-28

IPC: F25B1/00 ,  C09K5/04 ,  C09K5/08 ,  F25B9/00 ,  F25B39/02 ,  F25B41/04 ,  F25D31/00 ,  F28D7/02

CPC classification number: C09K5/045 ,  C09K2205/112 ,  C09K2205/128 ,  C09K2205/13 ,  F25B9/006 ,  F25B39/02 ,  F25B41/043 ,  F25B2400/16 ,  F25B2400/18 ,  F25D31/002 ,  F28D7/024

Abstract: Refrigerants containing HCFC's are replaced with new blends by using R-236fa and R-125, or R-125 with R-245fa, or R-236ea, or R-134a with R-236fa in place of HCFC's. No hardware or oil composition changes are required to maintain temperatures, pressures and capacity substantially unchanged in a refrigeration system.

Abstract translation: 使用R-236fa和R-125或R-125与R-245fa或R-236ea或R-134a与R-236fa代替HCFC替代含有HCFC的制冷剂。 为了维持制冷系统中的温度，压力和容量基本不变，不需要硬件或油组成的变化。

公开(公告)号：WO0140397A3

公开(公告)日：2001-12-06

申请号：PCT/US0042477

申请日：2000-12-01

Applicant: IGC POLYCOLD SYSTEMS INC

Inventor： FLYNN KEVIN P ,  BOIARSKI MIKHAIL ,  APPARAO TAMIRISA V V R ,  PODTCHERNIAEV OLEG ,  MOGORICHNY VLADIMIR

IPC: F25B1/00 ,  C09K5/04 ,  F25B9/00

CPC classification number: C09K5/045 ,  C09K2205/12 ,  C09K2205/122 ,  C09K2205/128 ,  C09K2205/13 ,  F25B9/006 ,  F25B2400/18

Abstract: Refrigerants containing R-22 are replaced with new blends by using R-125, or R-125 with R-124, or R-218, or R-218 with R-124, in place of R-22. No hardware or oil composition changes are required to maintain temperatures, pressures and capacity substantially unchanged in a refrigeration system.

Abstract translation: 通过使用R-125或R-125与R-124或R-218或R-218与R-124代替R-22，将含有R-22的制冷剂替换为新的混合物。 在制冷系统中不需要硬件或油成分的变化来维持温度，压力和容量基本不变。

公开(公告)号：WO01040397A2

公开(公告)日：2001-06-07

申请号：PCT/US2000/042477

申请日：2000-12-01

IPC: F25B1/00 ,  C09K5/04 ,  F25B9/00 ,  C09K

CPC classification number: C09K5/045 ,  C09K2205/12 ,  C09K2205/122 ,  C09K2205/128 ,  C09K2205/13 ,  F25B9/006 ,  F25B2400/18

Abstract: Refrigerants containing R-22 are replaced with new blends by using R-125, or R-125 with R-124, or R-218, or R-218 with R-124, in place of R-22. No hardware or oil composition changes are required to maintain temperatures, pressures and capacity substantially unchanged in a refrigeration system.

Abstract translation: 使用R-125或R-125与R-124或R-218或R-218与R-124代替R-22，用新的共混物代替含有R-22的制冷剂。 为了维持制冷系统中的温度，压力和容量基本不变，不需要硬件或油组成的变化。

公开(公告)号：WO99004211A1

公开(公告)日：1999-01-28

申请号：PCT/US1998/013123

申请日：1998-07-16

IPC: F28F7/00 ,  A61B18/02 ,  C09K5/04 ,  F25B9/00 ,  F25B9/02 ,  F28D7/02 ,  F28D7/12 ,  F28F13/06 ,  F28F21/08

CPC classification number: C09K5/045 ,  A61B18/02 ,  A61B2018/0212 ,  A61B2018/0275 ,  A61B2018/0281 ,  C09K2205/12 ,  C09K2205/122 ,  C09K2205/13 ,  C09K2205/132 ,  F25B9/006 ,  F25B9/02 ,  F25B2309/003 ,  F25B2309/021 ,  F25B2309/022 ,  F25B2309/023 ,  F25B2400/12 ,  F28D7/12 ,  F28F13/06 ,  F28F21/082 ,  F28F21/085 ,  F28F2260/02

Abstract: A microminiature laminated heat exchanger for use in a cryogenic probe, and a method of manufacture. The heat exchanger has high and low pressure flow patterns (46, 48) etched into oxygen free copper sheets (42), with the flow patterns being tortuous paths promoting turbulent flow. The sheets (42) containing the flow patterns are bonded into a laminated assembly in the shape of a cylinder (28), with a high pressure inlet and a low pressure outlet in a first end, and a high pressure outlet and a low pressure inlet in a second end. The high pressure flow path lies alongside the low pressure flow path, with flow in the two paths being in opposite directions, to accomplish counterflow heat exchange. Substantial portions of the flow paths are either parallel to, or transverse to, the longitudinal axis of the heat exchanger, with the resuulting heat flow being essentially radial or axial, respectively.

Abstract translation: 一种用于低温探针的微型层压热交换器及其制造方法。 热交换器具有蚀刻到无氧铜片（42）中的高压和低压流动模式（46,48），流动模式是促进湍流的曲折路径。 包含流动图案的片材（42）在气缸（28）的形式被粘合到层叠组件中，在第一端中具有高压入口和低压出口，以及高压出口和低压入口 在另一端。 高压流动路径位于低压流动路径旁边，两个路径中的流动处于相反的方向，以实现逆流热交换。 流动路径的实质部分或者平行于或横向于热交换器的纵向轴线，并且分解的热流分别基本上是径向的或轴向的。

公开(公告)号：WO9817167A3

公开(公告)日：1998-09-03

申请号：PCT/US9718054

申请日：1997-10-07

Applicant: CRYOGEN INC

Inventor： DOBAK JOHN D III ,  BROWN TERRY L ,  GHAERZADEH KAMBIZ ,  YU XIAOYU

IPC: F25D3/10 ,  A61B18/02 ,  C09K5/04 ,  F25B7/00 ,  F25B9/00 ,  F25B9/02 ,  A61B

CPC classification number: F25B9/006 ,  A61B18/02 ,  A61B2018/0212 ,  A61B2018/0275 ,  A61B2018/0281 ,  C09K5/045 ,  C09K2205/12 ,  C09K2205/122 ,  C09K2205/13 ,  C09K2205/132 ,  F25B7/00 ,  F25B9/02 ,  F25B2309/003 ,  F25B2309/021 ,  F25B2309/022 ,  F25B2309/023 ,  F25B2400/12

Abstract: A miniature mixed gas refrigeration system and method is disclosed. A selected gas mixture is compressed to less than 420 psia for safety reasons. The compressed gas mixture is passed through a primary heat exchanger (140) and a primary/secondary heat exchanger (240) to precool the gas mixture. The secondary side of the primary/secondary heat exchanger is cooled by a secondary Joule-Thomson refrigeration system (200). Flow restrictions in the primary side of the primary/secondary heat exchanger (240) can solidify and trap liquid contaminants. The gas mixture exiting the primary outlet of the primary/secondary heat exchanger (240) passes to a primary expansion element (150) to expand isenthalpically to a to 183K or below to cool a heat transfer element. Return gas through the primary heat exchanger (140) precools the incoming high pressure gas mixture. A distal primary heat exchanger (160) can be added between the primary/secondary heat exchanger (240) and the primary expansion element (150).

公开(公告)号：WO1996030695A1

公开(公告)日：1996-10-03

申请号：PCT/US1996004200

申请日：1996-03-27

Applicant: MMR TECHNOLOGIES, INC.

Inventor： MMR TECHNOLOGIES, INC. ,  LITTLE, William, A.

IPC: F17C03/10

CPC classification number: B01D8/00 ,  C09K5/045 ,  C09K2205/12 ,  C09K2205/122 ,  C09K2205/13 ,  C09K2205/132 ,  F25B9/006 ,  F25B31/004 ,  F25B43/00 ,  F25B43/02 ,  F25B2400/05 ,  F25B2400/12 ,  F25B2400/13 ,  F25B2400/23 ,  F25J1/0055 ,  F25J1/025 ,  F25J1/0279 ,  F25J2200/90 ,  F25J2205/30 ,  Y10S62/906

Abstract: A method and device is disclosed for removing residual oil and other contaminants from the refrigerant stream flowing to low-temperature stages of a cryogenic refrigerator. A stream of vapor and liquid refrigerant coming from an air-cooled condenser is injected into a cyclone chamber (32) through the inlet tube (34). While the liquid drains down a conical section (36) and out through a liquid line (38), the vapor phase moves up into a packing of metal platelets (42) which is cooled by a returning stream of cold vapor passing through a tube (48) wrapped around the column. A portion of the vapor condenses on the platelets and is maintained in equilibrium with the vapor. Since high-molecular-weight contaminants are more soluble in the liquid phase, they are carried down the column with the drops of condensate and are swept out with the liquid fraction through the liquid line (38).

Abstract translation: 公开了一种从流到低温冰箱的低温阶段的制冷剂流中除去残余油和其它污染物的方法和装置。 来自风冷冷凝器的蒸汽和液体制冷剂流通过入口管（34）注入旋风室（32）。 当液体通过液体管线（38）向下排出锥形部分（36）并流出时，气相向上移动到金属片状物（42）的填料中，该金属片状物被冷却的回流冷却，通过管（ 48）缠绕在列上。 蒸汽的一部分在血小板上冷凝并保持与蒸气平衡。 由于高分子量污染物在液相中更易溶，所以它们与冷凝液滴一起被吸附在塔上，并与液体馏分一起通过液体管线（38）扫出。