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1. 发明授权

US5775109A Enhanced cooldown of multiple cryogenic refrigerators supplied by a common compressor 失效
标题翻译：多个低温冰箱由普通压缩机提供冷却时间的增强
公开(公告)号：US5775109A
公开(公告)日：1998-07-07
申请号：US778035
申请日：1997-01-02
申请人： Michael J. Eacobacci, Jr. , Stephen J. Yamartino , Martin L. Stein , Robert E. Khederian
发明人： Michael J. Eacobacci, Jr. , Stephen J. Yamartino , Martin L. Stein , Robert E. Khederian
IPC分类号： B01D8/00 , F25B9/10 , F25B9/14 , F25B9/00
CPC分类号： B01D8/00 , F25B9/10 , F25B9/14
摘要： A method for regulating the cooldown of multiple cryogenic refrigerators supplied with compressed refrigerant from a common compressor includes the following steps. The cooldown of the refrigerators is monitored. The cooldown of at least one refrigerator is then governed to regulate the gas flow distributed from the compressor to each of the refrigerators to enhance the cooldown of an individual refrigerator. Governing a refrigerator to achieve the objectives of this method can be achieved by various processes. These processes include supplying heat to the refrigerator, slowing the speed of the displacer in the refrigerator, halting the motion of the displacer, and profiling the speed of the displacer as a function of the first and second-stage temperatures. A system for performing the above-described method includes a compressor; a plurality of refrigerators, each receiving compressed gas from the compressor; and a network terminal programmed to govern the cooldown of at least one refrigerator to accelerate the cooldown of another refrigerator.
摘要翻译：用于调节从普通压缩机供应压缩制冷剂的多个低温冰箱的冷却时间的方法包括以下步骤。监视冰箱的冷却时间。然后控制至少一个冰箱的冷却时间以调节从压缩机分配到每个冰箱的气体流量，以增强单个冰箱的冷却时间。管理冰箱实现这一方法的目标可以通过各种工艺实现。这些过程包括向冰箱提供热量，减慢冰箱中的置换器的速度，停止置换器的运动，以及根据第一和第二阶段温度来调整置换器的速度。用于执行上述方法的系统包括压缩机; 多个冰箱，各自从压缩机接收压缩气体; 以及被编程为控制至少一个冰箱的冷却时间以加速另一个冰箱的冷却时间的网络终端。

2. 发明授权

US5765378A Method and apparatus for detecting a loss of differential pressure in a cryogenic refrigerator 失效
标题翻译：用于检测低温冰箱中差压损失的方法和装置
公开(公告)号：US5765378A
公开(公告)日：1998-06-16
申请号：US774408
申请日：1996-12-31
申请人： Martin L. Stein , Robert E. Khederian , Robert D. Welch
发明人： Martin L. Stein , Robert E. Khederian , Robert D. Welch
IPC分类号： F25B9/14 , F25B9/00
CPC分类号： F25B9/14
摘要： A method for detecting the absence of a pressure differential across a cryogenic refrigerator includes the following steps. At least one measurement of load in the refrigerator is taken during both a warmstroke and a coldstroke of a refrigeration cycle. These measurements are then compared to determine whether the differential load across the cryogenic refrigerator has been lost. A system for performing this method includes a compressor that circulates compressed gas through a compressed gas line routed through a cryogenic refrigerator. Within the refrigerator, a displacer is driven through a refrigeration cycle by a motor. A means for measuring the load on the motor is provided, and an electronic module monitors the load measurements to detect a loss of differential pressure across the refrigerator by comparing the load on the motor during the warmstroke to the load on the motor during the coldstroke.
摘要翻译：用于检测低温冰箱两端的压力差的检测方法包括以下步骤。在制冷循环的暖行程和冷行程期间，至少要对冰箱中的负载进行一次测量。然后对这些测量进行比较，以确定低温冰箱两端的差分负载是否已经丢失。用于执行该方法的系统包括使压缩气体循环通过低温冰箱路由的压缩气体管线的压缩机。在冰箱内，置换器通过电动机驱动通过制冷循环。提供了一种用于测量电动机负载的装置，并且电子模块通过将在暖行期间电动机上的负载与电动机上的负载进行比较来监视负载测量值，以检测冰箱两端的差压损失。

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