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1. 发明授权

US11013152B2 Data center coolant switch 有权
公开(公告)号：US11013152B2
公开(公告)日：2021-05-18
申请号：US16418601
申请日：2019-05-21
申请人： International Business Machines Corporation
发明人： Madhusudan K. Iyengar , Pritish R. Parida , Mark D. Schultz
IPC分类号： H05K7/20 , F28D15/00 , F25B47/00 , F25B25/00
摘要： A data center cooling system has an indoor portion wherein heat is absorbed from components in the data center, and an outdoor heat exchanger portion wherein outside air is used to cool a first heat transfer fluid (e.g., water) present in at least the outdoor heat exchanger portion of the cooling system during a first mode. When an appropriate time has been reached to switch from the first mode to a second mode, the outdoor heat exchanger portion of the data cooling system is switched to a second heat transfer fluid, which is a relatively low performance heat transfer fluid (compared to the first fluid). It has a second heat transfer fluid freezing point, lower than the first heat transfer fluid freezing point, and sufficiently low to operate without freezing when the outdoor air temperature drops below a first predetermined relationship with the first heat transfer fluid freezing point.

2. 发明授权

US09930807B2 Fabricating cooled electronic system with liquid-cooled cold plate and thermal spreader 有权
公开(公告)号：US09930807B2
公开(公告)日：2018-03-27
申请号：US14562879
申请日：2014-12-08
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Timothy J. Chainer , David P. Graybill , Madhusudan K. Iyengar , Vinod Kamath , Bejoy J. Kochuparambil , Roger R. Schmidt , Mark E. Steinke
IPC分类号： F28D15/02 , H05K7/20
CPC分类号： H05K7/20336 , F28D15/02 , H05K7/20509 , H05K7/20772 , H05K7/20936
摘要： Methods are provided for facilitating cooling of an electronic component. The method includes providing a liquid-cooled cold plate and a thermal spreader associated with the cold plate. The cold plate includes multiple coolant-carrying channel sections extending within the cold plate, and a thermal conduction surface with a larger surface area than a surface area of the component to be cooled. The thermal spreader includes one or more heat pipes including multiple heat pipe sections. One or more heat pipe sections are partially aligned to a first region of the cold plate, that is, where aligned to the surface to be cooled, and partially aligned to a second region of the cold plate, which is outside the first region. The one or more heat pipes facilitate distribution of heat from the electronic component to coolant-carrying channel sections of the cold plate located in the second region of the cold plate.

3. 发明授权

US09930806B2 Cooled electronic system with liquid-cooled cold plate and thermal spreader coupled to electronic component 有权
公开(公告)号：US09930806B2
公开(公告)日：2018-03-27
申请号：US14086114
申请日：2013-11-21
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Timothy J. Chainer , David P. Graybill , Madhusudan K. Iyengar , Vinod Kamath , Bejoy J. Kochuparambil , Roger R. Schmidt , Mark E. Steinke
IPC分类号： F28F7/00 , H05K7/20 , F28D15/02
CPC分类号： H05K7/20336 , F28D15/02 , H05K7/20509 , H05K7/20772 , H05K7/20936
摘要： Apparatus and method are provided for facilitating cooling of an electronic component. The apparatus includes a liquid-cooled cold plate and a thermal spreader associated with the cold plate. The cold plate includes multiple coolant-carrying channel sections extending within the cold plate, and a thermal conduction surface with a larger surface area than a surface area of the component to be cooled. The thermal spreader includes one or more heat pipes including multiple heat pipe sections. One or more heat pipe sections are partially aligned to a first region of the cold plate, that is, where aligned to the surface to be cooled, and partially aligned to a second region of the cold plate, which is outside the first region. The one or more heat pipes facilitate distribution of heat from the electronic component to coolant-carrying channel sections of the cold plate located in the second region of the cold plate.

4. 发明授权

US09623520B2 Heat sink structure with a vapor-permeable membrane for two-phase cooling 有权
公开(公告)号：US09623520B2
公开(公告)日：2017-04-18
申请号：US14105691
申请日：2013-12-13
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Levi A. Campbell , Richard C. Chu , Milnes P. David , Michael J. Ellsworth, Jr. , Madhusudan K. Iyengar , Robert E. Simons
IPC分类号： B23P15/26 , H05K7/20 , G06F1/20 , F28F3/00 , F28F3/12 , F28F13/00 , F28D15/02
CPC分类号： B23P15/26 , F28D15/0266 , F28F3/00 , F28F3/12 , F28F13/00 , G06F1/20 , H05K7/20254 , H05K7/20272 , H05K7/2029 , H05K7/20772 , Y10T29/4935
摘要： A heat sink, and cooled electronic structure and cooled electronics apparatus utilizing the heat sink are provided. The heat sink is fabricated of a thermally conductive structure which includes one or more coolant-carrying channels coupled to facilitate the flow of coolant through the coolant-carrying channel(s). The heat sink further includes a membrane associated with the coolant-carrying channel(s). The membrane includes at least one vapor-permeable region, which overlies a portion of the coolant-carrying channel(s) and facilitates removal of vapor from the coolant-carrying channel(s), and at least one orifice coupled to inject coolant onto at least one surface of the coolant-carrying channel(s) intermediate opposite ends of the channel(s).

5. 发明授权

US09321136B2 Multi-rack, door-mounted heat exchanger 有权
公开(公告)号：US09321136B2
公开(公告)日：2016-04-26
申请号：US14055401
申请日：2013-10-16
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Eric A. Eckberg , David P. Graybill , Madhusudan K. Iyengar , Howard V. Mahaney, Jr. , Roger R. Schmidt , Kenneth R. Schneebeli
IPC分类号： H05K7/20 , B23P15/26
CPC分类号： B23P15/26 , H05K7/20718 , H05K7/2079 , H05K7/20818 , Y10T29/4935
摘要： An air-cooling apparatus is provided which includes a securing mechanism for holding two or more separate electronics racks in fixed relation adjacent to each other, and a multi-rack door sized and configured to span the air inlet or air outlet sides of the racks. The securing mechanism holds the electronics racks in fixed relation with their air inlet sides facing a first direction, and air outlet sides facing a second direction. The door includes a door frame with an airflow opening. The airflow opening facilitates the ingress or egress of airflow through the electronics racks, and the door further includes an air-to-liquid heat exchanger supported by the door frame, and disposed so that air flowing through the airflow opening passes across the heat exchanger. In operation, the heat exchanger extracts heat from the air passing through the separate electronics racks.

6. 发明授权

US09295181B2 Coolant-conditioning unit with automated control of coolant flow valves 有权
标题翻译：具有自动控制冷却剂流量阀的冷却液调节装置
公开(公告)号：US09295181B2
公开(公告)日：2016-03-22
申请号：US13671913
申请日：2012-11-08
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Levi A. Campbell , Richard C. Chu , Milnes P. David , Michael J. Ellsworth, Jr. , Madhusudan K. Iyengar , Roger R. Schmidt , Robert E. Simons
IPC分类号： G05D23/00 , H05K7/20 , F28F27/02
CPC分类号： H05K7/20281 , F28F27/02 , H05K7/20781 , H05K7/20836
摘要： A coolant-conditioning unit is provided which includes a facility coolant path, having a facility coolant flow control valve, and a system coolant path accommodating a system coolant, and having a bypass line with a system coolant bypass valve. A heat exchanger is coupled to the facility and system coolant paths to facilitate transfer of heat from the system coolant to facility coolant in the facility coolant path, and the bypass line is disposed in the system coolant path in parallel with the heat exchanger. A controller automatically controls a regulation position of the coolant bypass valve and a regulation position of the facility coolant flow control valve based on a temperature of the system coolant, and automatically adjusts the regulation position of the system coolant bypass valve to facilitate maintaining the facility coolant flow control valve at or above a specified, partially open, minimum regulation position.
摘要翻译：提供了一种冷却剂调节单元，其包括设备冷却剂路径，具有设备冷却剂流量控制阀，以及容纳系统冷却剂的系统冷却剂通道，并具有与系统冷却剂旁通阀的旁路管路。热交换器被耦合到设备和系统冷却剂路径，以便于将热量从系统冷却剂传送到设备冷却剂路径中的设备冷却剂，并且旁路管线与热交换器平行地设置在系统冷却剂路径中。控制器基于系统冷却液的温度自动控制冷却剂旁通阀的调节位置和设备冷却剂流量控制阀的调节位置，并且自动调节系统冷却剂旁通阀的调节位置以便于维持设备冷却剂流量控制阀处于或高于指定的，部分打开的最小调节位置。

7. 发明授权

US09291408B2 Data center with dual radiator cabinets for redundant operation 有权
标题翻译：数据中心配有双散热器柜，用于冗余操作
公开(公告)号：US09291408B2
公开(公告)日：2016-03-22
申请号：US13708994
申请日：2012-12-08
申请人： International Business Machines Corporation
发明人： Madhusudan K. Iyengar , Robert R. Schmidt
IPC分类号： F28F27/00 , F28D1/047 , F28F1/32 , H05K7/20
CPC分类号： F28F27/00 , F28D1/0475 , F28F1/32 , H05K7/20745 , Y10T29/49826
摘要： Methods of preventing overheating of computer equipment in a cabinet when a supply coolant to a cooler in the cabinet fails. An example embodiment is a data center that includes a plurality of cabinets and at least two main coolant supply lines. The cabinets are configured to house computer equipment and the main coolant supply lines provide coolant to the plurality of cabinets. Moreover, each cabinet includes a cooler and each of these coolers includes at least two radiators which receive coolant from different main coolant supply lines.
摘要翻译：当柜内的冷却器供给冷却液时，防止机柜内计算机设备过热的方法失效。示例性实施例是包括多个机柜和至少两个主冷却剂供应管线的数据中心。机柜被配置为容纳计算机设备，并且主冷却剂供应管线为多个机柜提供冷却剂。此外，每个机柜包括一个冷却器，并且这些冷却器中的每一个包括至少两个从不同主冷却剂供应管路接收冷却剂的散热器。

8. 发明授权

US09250024B2 Pump-enhanced, sub-cooling of immersion-cooling fluid 有权
标题翻译：泵增强，浸入冷却液的次冷却
公开(公告)号：US09250024B2
公开(公告)日：2016-02-02
申请号：US13780613
申请日：2013-02-28
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Levi A. Campbell , Richard C. Chu , Milnes P. David , Michael J. Ellsworth, Jr. , Madhusudan K. Iyengar , Roger R. Schmidt , Robert E. Simons
IPC分类号： H05K7/20 , F28D15/02 , F28F3/04 , F28F3/12
CPC分类号： F28D15/02 , F28F3/048 , F28F3/12 , F28F2250/08 , H05K7/203 , H05K7/20772 , H05K7/20809 , Y10T29/4935 , Y10T29/49359
摘要： A method of fabricating a cooling apparatus is provided to facilitate two-phase, immersion-cooling of one or more electronic components. The cooling apparatus includes a housing having a compartment within which dielectric fluid is disposed which facilitates immersion-cooling of the electronic component(s). A liquid-cooled heat sink is associated with the housing and cools a cooling surface exposed within the compartment. One or more pumps are disposed within the compartment and configured to pump dielectric fluid liquid within the compartment towards the cooling surface to facilitate cooling the liquid within the compartment below a saturation temperature of the dielectric fluid. The heat sink includes or is coupled to condensing and sub-cooling regions exposed within the compartment.
摘要翻译：提供一种制造冷却装置的方法，以便于一个或多个电子部件的两相浸没冷却。冷却装置包括壳体，该壳体具有隔室，在该隔室中布置介质流体，其有利于电子部件的浸入冷却。液体冷却散热器与壳体相关联并且冷却暴露在隔间内的冷却表面。一个或多个泵设置在隔室内，并且构造成将腔室内的介质流体液体朝向冷却表面泵送，以便于冷却介质流体的饱和温度以下室内的液体。散热器包括或耦合到暴露在隔室内的冷凝和次冷却区域。

9. 发明授权

US09213343B2 Effectiveness-weighted control method for a cooling system 有权
标题翻译：冷却系统的有效加权控制方法
公开(公告)号：US09213343B2
公开(公告)日：2015-12-15
申请号：US13783618
申请日：2013-03-04
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Levi A. Campbell , Richard C. Chu , Milnes P. David , Michael J. Ellsworth, Jr. , Madhusudan K. Iyengar , Roger R. Schmidt , Robert E. Simons
IPC分类号： G05D23/19 , H05K7/20
CPC分类号： H05K7/20836 , G05B15/02 , G05D23/1932 , H05K7/2079
摘要： Energy efficient control of cooling system cooling of an electronic system is provided based, in part, on weighted cooling effectiveness of the components. The control includes automatically determining speed control settings for multiple adjustable cooling components of the cooling system. The automatically determining is based, at least in part, on weighted cooling effectiveness of the components of the cooling system, and the determining operates to limit power consumption of at least the cooling system, while ensuring that a target temperature associated with at least one of the cooling system or the electronic system is within a desired range by provisioning, based on the weighted cooling effectiveness, a desired target temperature change among the multiple adjustable cooling components of the cooling system. The provisioning includes provisioning applied power to the multiple adjustable cooling components via, at least in part, the determined control settings.
摘要翻译：部分地基于组件的加权冷却效率来提供电子系统的冷却系统冷却的能量效率控制。该控制包括自动确定冷却系统的多个可调冷却部件的速度控制设置。所述自动确定至少部分地基于所述冷却系统的组件的加权冷却效果，并且所述确定操作以限制至少所述冷却系统的功率消耗，同时确保与至少一个冷却系统或电子系统在所需的范围内，通过基于加权的冷却效果，提供冷却系统的多个可调冷却部件之间的期望的目标温度变化。供应包括至少部分地通过所确定的控制设置向多个可调冷却部件供应应用的功率。

10. 发明授权

US09200851B2 Pressure control unit and method facilitating single-phase heat transfer in a cooling system 有权
标题翻译：压力控制单元和促进冷却系统中单相传热的方法
公开(公告)号：US09200851B2
公开(公告)日：2015-12-01
申请号：US13785275
申请日：2013-03-05
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Levi A. Campbell , Richard C. Chu , Michael J. Ellsworth, Jr. , Madhusudan K. Iyengar , Robert E. Simons
IPC分类号： F28D15/00 , G05D16/20
CPC分类号： F28D15/00 , G05D16/202
摘要： A pressure control unit and method are provided for facilitating single-phase heat transfer within a liquid-based cooling system. The pressure control unit includes a pressure vessel containing system coolant, and a pressurizing mechanism associated with the pressure vessel. A coolant line couples system coolant in the pressure vessel in fluid communication with the coolant loop of the cooling system, and a regulator mechanism couples to the pressurizing mechanism to maintain pressure within the pressure vessel at or above a defined pressure threshold, thus maintaining pressure within the coolant loop above the pressure threshold. The defined pressure threshold is set to facilitate system coolant within the coolant loop remaining single-phase throughout an operational temperature range of the system coolant within the coolant loop. More particularly, the pressure threshold is set to ensure pressure of system coolant within the coolant loop remains above the coolant's saturation pressure at maximum operational temperature.
摘要翻译：提供了一种压力控制单元和方法，用于促进在液体冷却系统内的单相热传递。压力控制单元包括容纳系统冷却剂的压力容器和与压力容器相关联的加压机构。冷却剂管线将压力容器中的系统冷却剂与冷却系统的冷却剂回路流体连通，并且调节器机构联接到加压机构，以将压力容器内的压力维持在或高于限定的压力阈值，从而保持在冷却剂回路高于压力阈值。设定的压力阈值被设定为便于在冷却剂回路内的系统冷却剂的整个工作温度范围内，冷却剂回路内的系统冷却剂保持单相。更具体地，设定压力阈值以确保冷却剂回路内的系统冷却剂的压力在最大工作温度下保持高于冷却剂的饱和压力。

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