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公开(公告)号：US5228301A
公开(公告)日：1993-07-20
申请号：US919799
申请日：1992-07-27
申请人： Lars I. Sjoholm , Peter W. Freund , Sung L. Kwon , Lowell B. Naley , Lee J. Erickson , David H. Taylor
发明人： Lars I. Sjoholm , Peter W. Freund , Sung L. Kwon , Lowell B. Naley , Lee J. Erickson , David H. Taylor
CPC分类号： F25B27/00 , B60H1/00007 , F25B29/003 , F25B41/04 , F25D17/02 , F25B2400/13
摘要： A refrigeration system of the type having an economizer cycle is provided with a null cycle, in addition to heating and cooling cycles, without shutting a compressor prime mover down, to preserve air flow in a conditioned space. First, second and third controllable valves respectively: (1) select main and auxiliary condensers, (2) open and close a liquid line, and (3) open and close a line which provides a warm liquid to an economizer heat exchanger. The valves are controlled in at least one predetermined open/close pattern during a null cycle, and preferably in a plurality of selectable predetermined open/close patterns, to provide a null cycle at any instant which substantially matches the net heat gain or loss taking place in the conditioned space. Thus, the temperature of the served space will be more apt to remain in a null temperature range close to set point, providing smoother and more accurate control over the temperature of the conditioned space for longer shelf life of perishables stored therein.
摘要翻译： 具有省煤器循环的类型的制冷系统除了加热和冷却循环之外还提供零循环，而不关闭压缩机原动机，以保持调节空间中的气流。 第一，第二和第三个可控阀门：（1）选择主冷凝器和辅助冷凝器，（2）打开和关闭液体管线，（3）打开和关闭向节能换热器提供暖液体的管线。 在空循环期间，并且优选以多个可选择的预定打开/关闭模式，阀被控制在至少一个预定的打开/关闭模式，以在与实际匹配的净热增益或损失发生的任何瞬间提供零循环 在空调空间。 因此，被处理空间的温度将更加容易地保持在接近设定点的零点温度范围内，从而为存储在其中的易腐品的更长的保存期限提供了对调节空间的温度的更平滑和更精确的控制。
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公开(公告)号：US5477695A
公开(公告)日：1995-12-26
申请号：US369443
申请日：1995-01-06
CPC分类号： F25B27/00 , F01P3/20 , F25B29/003 , F25B31/006 , F25B5/00 , F01P2060/04 , F01P2060/14 , F25B2400/13
摘要： A refrigeration system of the type having an economizer cycle is provided with a null cycle, in addition to heating and cooling cycles, without shutting a compressor prime mover down, to preserve air flow in a conditioned space. First, second and third controllable valves respectively: (1) select main and auxiliary condensers, (2) open and close a liquid line, and (3) open and close a line which provides a warm liquid to an economizer heat exchanger. The valves are controlled in at least one predetermined open/close pattern during a null cycle, and preferably in a plurality of selectable predetermined open/close patterns, to provide a null cycle at any instant which substantially matches the net heat gain or loss taking place in the conditioned space. Thus, the temperature of the served space will be more apt to remain in a null temperature range close to set point, providing smoother and more accurate control over the temperature of the conditioned space for longer shelf life of perishables stored therein. The system achieves the latter by controlling cooling circulation in the compressor oil cooler.
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3.发明授权Methods and apparatus for operating a refrigeration system characterized by controlling engine coolant 失效用于操作制冷系统的方法和装置，其特征在于控制发动机冷却剂
公开(公告)号：US5465586A
公开(公告)日：1995-11-14
申请号：US369432
申请日：1995-01-06
CPC分类号： F25B27/00 , F01P3/20 , F25B29/003 , F25B31/006 , F25B5/00 , F01P2060/04 , F01P2060/14 , F25B2400/13
摘要： A refrigeration system of the type having an economizer cycle is provided with a null cycle, in addition to heating and cooling cycles, without shutting a compressor prime mover down, to preserve air flow in a conditioned space. First, second and third controllable valves respectively: (1) select main and auxiliary condensers, (2) open and close a liquid line, and (3) open and close a line which provides a warm liquid to an economizer heat exchanger. The valves are controlled in at least one predetermined open/close pattern during a null cycle, and preferably in a plurality of selectable predetermined open/close patterns, to provide a null cycle at any instant which substantially matches the net heat gain or loss taking place in the conditioned space. Thus, the temperature of the served space will be more apt to remain in a null temperature range close to set point, providing smoother and more accurate control over the temperature of the conditioned space for longer shelf life of perishables stored therein. The system achieves the latter by controlling cooling circulation in the compressor oil cooler.
摘要翻译： 具有省煤器循环的类型的制冷系统除了加热和冷却循环之外还提供零循环，而不关闭压缩机原动机，以保持调节空间中的气流。 第一，第二和第三个可控阀门：（1）选择主冷凝器和辅助冷凝器，（2）打开和关闭液体管线，（3）打开和关闭向节能换热器提供暖液体的管线。 在空循环期间，并且优选以多个可选择的预定打开/关闭模式，阀被控制在至少一个预定的打开/关闭模式，以在与实际匹配的净热增益或损失发生的任何瞬间提供零循环 在空调空间。 因此，被处理空间的温度将更加容易地保持在接近设定点的零点温度范围内，从而为存储在其中的易腐品的更长的保存期限提供了对调节空间的温度的更平滑和更精确的控制。 该系统通过控制压缩机油冷却器中的冷却循环来实现后者。
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公开(公告)号：US5408836A
公开(公告)日：1995-04-25
申请号：US182319
申请日：1994-01-14
CPC分类号： F25B27/00 , F01P3/20 , F25B29/003 , F25B31/006 , F25B5/00 , F01P2060/04 , F01P2060/14 , F25B2400/13
摘要： A refrigeration system of the type having an economizer cycle is provided with a null cycle, in addition to heating and cooling cycles, without shutting a compressor prime mover down, to preserve air flow in a conditioned space. First, second and third controllable valves respectively: (1) select main and auxiliary condensers, (2) open and close a liquid line, and (3) open and close a line which provides a warm liquid to an economizer heat exchanger. The valves are controlled in at least one predetermined open/close pattern during a null cycle, and preferably in a plurality of selectable predetermined open/close patterns, to provide a null cycle at any instant which substantially matches the net heat gain or loss taking place in the conditioned space. Thus, the temperature of the served space will be more apt to remain in a null temperature range close to set point, providing smoother and more accurate control over the temperature of the conditioned space for longer shelf life of perishables stored therein. The system achieves the latter by controlling cooling circulation in the compressor oil cooler.
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公开(公告)号：US5465587A
公开(公告)日：1995-11-14
申请号：US369444
申请日：1995-01-06
CPC分类号： F25B27/00 , F01P3/20 , F25B29/003 , F25B31/006 , F25B5/00 , F01P2060/04 , F01P2060/14 , F25B2400/13
摘要： A refrigeration system of the type having an economizer cycle is provided with a null cycle, in addition to heating and cooling cycles, without shutting a compressor prime mover down, to preserve air flow in a conditioned space. First, second and third controllable valves respectively: (1) select main and auxiliary condensers, (2) open and close a liquid line, and (3) open and close a line which provides a warm liquid to an economizer heat exchanger. The valves are controlled in at least one predetermined open/close pattern during a null cycle, and preferably in a plurality of selectable predetermined open/close patterns, to provide a null cycle at any instant which substantially matches the net heat gain or loss taking place in the conditioned space. Thus, the temperature of the served space will be more apt to remain in a null temperature range close to set point, providing smoother and more accurate control over the temperature of the conditioned space for longer shelf life of perishables stored therein. The system achieves the latter by controlling cooling circulation in the compressor oil cooler.
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6.发明授权Methods and apparatus for operating a refrigeration system characterized by controlling maximum operating pressure 失效用于操作制冷系统的方法和装置，其特征在于控制最大工作压力
公开(公告)号：US5400609A
公开(公告)日：1995-03-28
申请号：US182912
申请日：1994-01-14
申请人： Lars I. Sjoholm , Sung L. Kwon , Lee J. Erickson
发明人： Lars I. Sjoholm , Sung L. Kwon , Lee J. Erickson
CPC分类号： F25B40/00 , F25B27/00 , F25B29/003 , F25B49/022 , F25B2400/13 , F25B2600/2513
摘要： A refrigeration system of the type having an economizer cycle is provided with a null cycle, in addition to heating and cooling cycles, without shutting a compressor prime mover down, to preserve air flow in a conditioned space. First, second and third controllable valves respectively: (1) select main and auxiliary condensers, (2) open and close a liquid line, and (3) open and close a line which provides a warm liquid to an economizer heat exchanger. The valves are controlled in at least one predetermined open/close pattern during a null cycle, and preferably in a plurality of selectable predetermined open/close patterns, to provide a null cycle at any instant which substantially matches the net heat gain or loss taking place in the conditioned space. Thus, the temperature of the served space will be more apt to remain in a null temperature range close to set point, providing smoother and more accurate control over the temperature of the conditioned space for longer shelf life of perishables stored therein. The system achieves the latter by controlling maximum operating pressure.
摘要翻译： 具有省煤器循环的类型的制冷系统除了加热和冷却循环之外还提供零循环，而不关闭压缩机原动机，以保持调节空间中的气流。 第一，第二和第三个可控阀门：（1）选择主冷凝器和辅助冷凝器，（2）打开和关闭液体管线，（3）打开和关闭向节能换热器提供暖液体的管线。 在空循环期间，并且优选以多个可选择的预定打开/关闭模式，阀被控制在至少一个预定的打开/关闭模式，以在与实际匹配的净热增益或损失发生的任何瞬间提供零循环 在空调空间。 因此，被处理空间的温度将更加容易地保持在接近设定点的零点温度范围内，从而为存储在其中的易腐品的更长的保存期限提供了对调节空间的温度的更平滑和更精确的控制。 该系统通过控制最大工作压力来实现后者。
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7.发明授权Quick method to distinguish alkylbenzene and naphthenic lubricants in compressors 失效用于区分压缩机中烷基苯和环烷润滑剂的快速方法
公开(公告)号：US5288643A
公开(公告)日：1994-02-22
申请号：US85063
申请日：1993-06-29
申请人： Rajender K. Sadhir , Sung L. Kwon
发明人： Rajender K. Sadhir , Sung L. Kwon
CPC分类号： G01N31/00 , G01N33/2888 , Y10T436/21 , Y10T436/212 , Y10T436/214
摘要： A method for the identification of whether a lubricant in a compressor is an alkylbenzene or a naphthenic oil. This method comprises adding 3,3-bis (p-hydroxyphenyl) phthalide and observing whether there is an absence or presence of turbidity.
摘要翻译： 用于鉴定压缩机中的润滑剂是烷基苯还是环烷油的方法。 该方法包括加入3,3-双（对羟基苯基）苯酞，并观察是否存在浊度。
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