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公开(公告)号：US20230124191A1
公开(公告)日：2023-04-20
申请号：US17972932
申请日：2022-10-25
申请人： Bergstrom, Inc.
摘要： Disclosed are climate systems and methods for control the climate systems. A climate system includes a refrigerant circuit, a first compressor, a second compressor, a first refrigerant-to-air heat exchanger, a second refrigerant-to-air heat exchanger, and a controller communicatively coupled to the first and second compressors. Respective outlets of the first and second compressors are fluidically coupled to the first refrigerant-to-air heat exchanger, the first refrigerant-to-air heat exchanger is fluidically coupled to the second refrigerant-to-air heat exchanger, and the second refrigerant-to-air heat exchanger is fluidically coupled with respective inlets of the first and second compressors. The fluidic connection between the second refrigerant-to-air heat exchanger and the first and second compressors includes a vertical split that is configured to mitigate or reduce the amount of compressor oil that migrates to dormant components.
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公开(公告)号：US20230091408A1
公开(公告)日：2023-03-23
申请号：US18071517
申请日：2022-11-29
申请人： Bergstrom, Inc.
IPC分类号： F25B43/00
摘要： An HVAC system includes a refrigerant liquid-gas separator. The liquid-gas separator is thermally coupled to electronics to transfer heat away from the electronics, and assist in vaporizing liquid refrigerant. The liquid-gas separator device includes a refrigeration section configured to couple to a refrigeration loop, and electronics thermally coupled to the refrigeration section. The refrigeration section includes: (a) a refrigerant inlet configured to receive refrigerant from the refrigeration loop; (b) a refrigerant outlet configured to release vapor refrigerant to the refrigeration loop; and (c) a cavity coupled to the refrigerant inlet and the refrigerant outlet, the cavity configured to separate liquid refrigerant from vapor refrigerant. During use of the HVAC system, heat from the electronics board is transferred to the refrigerant. The liquid-gas separator includes a check valve configured to inhibit flow of refrigerant into the liquid-gas separator device via the refrigerant outlet.
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公开(公告)号：US10703173B2
公开(公告)日：2020-07-07
申请号：US16133599
申请日：2018-09-17
申请人： Bergstrom, Inc.
摘要： Disclosed are climate systems and methods for control the climate systems. A climate system includes a plurality of compressors, a first heat exchanger disposed downstream of the compressors and a second heat exchanger disposed downstream of the first heat exchanger. The compressors and heat exchangers are fluidly connected by refrigerant lines to form a refrigerant circuit. The climate system also includes a controller that controls the operation of the compressors to draw back lubricant to the compressors without use of an oil equalization system.
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公开(公告)号：US10724772B2
公开(公告)日：2020-07-28
申请号：US15660734
申请日：2017-07-26
申请人： Bergstrom, Inc.
摘要： An HVAC system includes a refrigerant liquid-gas separator. The liquid-gas separator is thermally coupled to electronics to transfer heat away from the electronics, and assist in vaporizing liquid refrigerant. The liquid-gas separator device includes a refrigeration section configured to couple to a refrigeration loop, and electronics thermally coupled to the refrigeration section. The refrigeration section includes: (a) a refrigerant inlet configured to receive refrigerant from the refrigeration loop; (b) a refrigerant outlet configured to release vapor refrigerant to the refrigeration loop; and (c) a cavity coupled to the refrigerant inlet and the refrigerant outlet, the cavity configured to separate liquid refrigerant from vapor refrigerant. During use of the HVAC system, heat from the electronics board is transferred to the refrigerant. The liquid-gas separator includes a check valve configured to inhibit flow of refrigerant into the liquid-gas separator device via the refrigerant outlet.
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公开(公告)号：US10369863B2
公开(公告)日：2019-08-06
申请号：US15283150
申请日：2016-09-30
申请人： Bergstrom, Inc.
摘要： The refrigerant liquid-gas separator is thermally coupled to electronics to transfer heat away from the electronics, and assist in vaporizing the liquid refrigerant. The liquid-gas separator device includes a refrigeration section configured to couple to a refrigeration loop, and an electronics board thermally coupled to the refrigeration section. The refrigeration section includes: (a) a refrigerant inlet configured to receive refrigerant from the refrigeration loop; (b) a refrigerant outlet configured to release vapor refrigerant to the refrigeration loop; and (c) a cavity coupled to the refrigerant inlet and the refrigerant outlet, the cavity configured to separate liquid refrigerant from vapor refrigerant. In use, heat from the electronics board is transferred to the refrigerant.
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公开(公告)号：US20180094843A1
公开(公告)日：2018-04-05
申请号：US15660734
申请日：2017-07-26
申请人： Bergstrom, Inc.
IPC分类号： F25B43/00
摘要： An HVAC system includes a refrigerant liquid-gas separator. The liquid-gas separator is thermally coupled to electronics to transfer heat away from the electronics, and assist in vaporizing liquid refrigerant. The liquid-gas separator device includes a refrigeration section configured to couple to a refrigeration loop, and electronics thermally coupled to the refrigeration section. The refrigeration section includes: (a) a refrigerant inlet configured to receive refrigerant from the refrigeration loop; (b) a refrigerant outlet configured to release vapor refrigerant to the refrigeration loop; and (c) a cavity coupled to the refrigerant inlet and the refrigerant outlet, the cavity configured to separate liquid refrigerant from vapor refrigerant. During use of the HVAC system, heat from the electronics board is transferred to the refrigerant. The liquid-gas separator includes a check valve configured to inhibit flow of refrigerant into the liquid-gas separator device via the refrigerant outlet.
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公开(公告)号：US11512883B2
公开(公告)日：2022-11-29
申请号：US16941495
申请日：2020-07-28
申请人： Bergstrom, Inc.
摘要： An HVAC system includes a refrigerant liquid-gas separator. The liquid-gas separator is thermally coupled to electronics to transfer heat away from the electronics, and assist in vaporizing liquid refrigerant. The liquid-gas separator device includes a refrigeration section configured to couple to a refrigeration loop, and electronics thermally coupled to the refrigeration section. The refrigeration section includes: (a) a refrigerant inlet configured to receive refrigerant from the refrigeration loop; (b) a refrigerant outlet configured to release vapor refrigerant to the refrigeration loop; and (c) a cavity coupled to the refrigerant inlet and the refrigerant outlet, the cavity configured to separate liquid refrigerant from vapor refrigerant. During use of the HVAC system, heat from the electronics board is transferred to the refrigerant. The liquid-gas separator includes a check valve configured to inhibit flow of refrigerant into the liquid-gas separator device via the refrigerant outlet.
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公开(公告)号：US20200331322A1
公开(公告)日：2020-10-22
申请号：US16922855
申请日：2020-07-07
申请人： Bergstrom, Inc.
摘要： Disclosed are climate systems and methods for control the climate systems. A climate system includes a plurality of compressors, a first heat exchanger disposed downstream of the compressors and a second heat exchanger disposed downstream of the first heat exchanger. The compressors and heat exchangers are fluidly connected by refrigerant lines to form a refrigerant circuit. The climate system also includes a controller that controls the operation of the compressors to draw back lubricant to the compressors without use of an oil equalization system.
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公开(公告)号：US10675948B2
公开(公告)日：2020-06-09
申请号：US15439865
申请日：2017-02-22
申请人： Bergstrom, Inc.
摘要： Disclosed are climate systems for vehicles and methods for controlling the climate systems. In some implementations, a climate system includes: (1) a temperature sensor configured to measure a temperature within the compartment of the vehicle; (2) a user interface configured to receive a desired temperature from a user; (3) a first compressor powered by an engine of the vehicle to compress a refrigerant; (4) a second compressor driven by an electric motor to compress the refrigerant; and (5) a controller electrically coupled to the first compressor and the second compressor. The controller configured to: (1) calculate a thermal load of the compartment based on a difference between a desired temperature and a measured temperature; and, (2) based on the calculated load, selectively activate: (i) the engine, (ii) the first compressor, and/or (iii) the second compressor.
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公开(公告)号：US10081226B2
公开(公告)日：2018-09-25
申请号：US15280876
申请日：2016-09-29
申请人： Bergstrom, Inc.
摘要： Disclosed are climate systems and methods for control the climate systems. A climate system includes a plurality of compressors arranged in parallel, a condenser disposed downstream of the compressors and an evaporator disposed downstream of the condenser. The compressors, the condenser, and the evaporator are fluidly connected by refrigerant lines to form a refrigerant circuit. The climate system also includes a controller that controls the operation of the compressors to draw back lubricant to the compressors without use of an oil equalization system.
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