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    Systems and assemblies for cooling server racks
    32.
    发明授权
    Systems and assemblies for cooling server racks 有权

    公开(公告)号：US09648784B2

    公开(公告)日：2017-05-09

    申请号：US14216005

    申请日：2014-03-17

    Applicant: Inertech IP LLC

    Inventor： Earl Keisling ,  John Costakis ,  Gerald McDonnell ,  Michael Welch

    IPC: H05K7/20 ,  G06F1/20

    CPC classification number: H05K7/20609 ,  H05K5/02 ,  H05K7/20745 ,  H05K7/2079

    Abstract: A cooling assembly for cooling server racks includes a server rack enclosure sub-assembly that includes at least one panel member defining a volume for receiving one or more server racks having a front portion and a rear portion, at least one of the panel members is a rear panel member; at least one frame member defines an opening for receiving the rear portion of the server racks to form a hot space between the rear panel member and the combination of the frame member and the rear portion of the server racks; a cooling sub-assembly disposed in thermal communication with the hot space to cool at least one server supported in the server rack and including a chassis receiving at least one heat exchange member for exchanging heat between a refrigerant fluid flowing through the heat exchange member and fluid flowing through the hot space heated by the server.

    ENERGY EFFICIENT ELECTRICAL SYSTEMS AND METHODS FOR MODULAR DATA CENTERS AND MODULAR DATA PODS
    33.
    发明申请
    ENERGY EFFICIENT ELECTRICAL SYSTEMS AND METHODS FOR MODULAR DATA CENTERS AND MODULAR DATA PODS 有权
    能源效率电气系统和模块化数据中心和模块化数据端口的方法

    公开(公告)号：US20150194842A1

    公开(公告)日：2015-07-09

    申请号：US14595688

    申请日：2015-01-13

    Applicant: Inertech IP LLC

    Inventor： Subrata K. Mondal

    IPC: H02J9/06 ,  G06F1/30

    CPC classification number: H02J9/06 ,  G06F1/30 ,  H02J1/10 ,  H02J9/04 ,  Y10T307/344

    Abstract: An efficient, modular, direct current (DC) uninterruptible power supply (UPS) for at least one server of a data center is disclosed. The single-conversion DC UPS includes an AC-DC converter, an energy storage device electrically coupled to the output of the AC-DC converter, and a single conversion server supply DC-DC converter electrically coupled to the AC-DC converter and the energy storage device, which may be a low-voltage lithium-ion battery or combined with an ultra capacitor. The DC UPS may be incorporated into a UPS system for a data center including a plurality of server rack assemblies and a plurality of cooling distribution units (CDUs). The UPS system includes an electric generator, an AC UPS electrically coupled between the electric generator and the plurality of CDUs, and a plurality of DC UPSs coupled between the electric generator and the plurality of server rack assemblies.

    Abstract translation: 公开了一种用于数据中心的至少一个服务器的高效，模块化，直流（DC）不间断电源（UPS）。 单转换DC UPS包括AC-DC转换器，电耦合到AC-DC转换器的输出的能量存储装置，以及电耦合到AC-DC转换器和能量的单个转换服务器电源DC-DC转换器 存储装置，其可以是低压锂离子电池或与超级电容器组合。 DC UPS可以并入用于包括多个服务器机架组件和多个冷却分配单元（CDU）的数据中心的UPS系统中。 UPS系统包括发电机，电耦合在发电机和多个CDU之间的AC UPS以及耦合在发电机和多个服务器机架组件之间的多个DC UPS。

    AIR FLOW DISTRIBUTION SYSTEM FOR DATA CENTER SERVER RACKS
    34.
    发明申请
    AIR FLOW DISTRIBUTION SYSTEM FOR DATA CENTER SERVER RACKS 审中-公开
    数据中心服务器机架的空气流量分配系统

    公开(公告)号：US20150181770A1

    公开(公告)日：2015-06-25

    申请号：US14473395

    申请日：2014-08-29

    Applicant: INERTECH IP LLC

    Inventor： Earl Keisling ,  John Costakis ,  Gerald McDonnell

    IPC: H05K7/20 ,  F21V33/00

    CPC classification number: H05K7/20745 ,  F21V33/0092 ,  F21W2131/40

    Abstract: An air flow distribution system for cooling server racks includes at least one server rack partially defining a hot aisle and a cold aisle, a first air foil disposed above the server rack, and a second air foil disposed above the first air foil. The first air foil and the second air foil are configured to receive air from the hot aisle, and to form turbulent wake patterns in the cold aisle partially defined by the server rack. The air flow distribution system may include a convex ceiling member above the second air foil. A corresponding method includes causing air to be directed between a first air foil disposed above a server rack and a second air foil disposed above the first air foil to form turbulent wake patterns in the cold aisle. An electrical enclosure assembly includes a receptacle and a cover member configured as an air foil.

    Abstract translation: 用于冷却服务器机架的气流分配系统包括至少一个部分地限定热通道和冷通道的服务器机架，设置在服务器机架上方的第一气垫和设置在第一气翼上方的第二气箔。 第一气翼和第二气翼被构造成从热通道接收空气，并在冷通道中形成湍流尾迹图案，其部分地由服务器机架限定。 气流分配系统可以包括在第二气翼上方的凸顶件。 相应的方法包括使空气被引导到设置在服务器机架上方的第一空气箔和设置在第一空气箔之上的第二空气箔，以在冷通道中形成湍流尾流图案。 电气外壳组件包括插座和构造为空气箔的盖构件。

    COOLING SYSTEMS AND METHODS USING SINGLE-PHASE FLUID
    35.
    发明申请
    COOLING SYSTEMS AND METHODS USING SINGLE-PHASE FLUID 有权

    公开(公告)号：US20240384936A1

    公开(公告)日：2024-11-21

    申请号：US18616132

    申请日：2024-03-25

    Applicant: INERTECH IP LLC

    Inventor： Ming Zhang ,  Ken Nguyen ,  Doron Shapiro ,  John Costakis

    IPC: F28D7/00 ,  B23K1/00 ,  B23P15/26 ,  F28D1/047 ,  F28D1/053 ,  F28F1/02 ,  F28F1/12 ,  F28F9/013 ,  F28F9/02 ,  F28F21/08 ,  G06F1/20 ,  H05K7/20

    Abstract: A cooling system includes a heat exchanger having one or more rows of multiple flat tubes, louvered fins disposed between pairs of flat tubes, and special header tube connections to form a counter flow heat exchanger. Heat exchangers having multiple rows may be placed near or close to the server racks and may be in fluid communication with an outdoor heat exchanger having one or more rows. A single-phase fluid is pumped through a fluid circuit or loop, which includes the heat exchangers at the server racks and the outdoor heat exchanger. The single-phase fluid circuit including the heat exchangers at the IT racks may alternatively be in thermal communication with a water circuit that includes an outdoor fluid cooler. The flat tubes can be formed tubes with one or more channels, or extruded tubes with multiple channels. The heat exchangers include header tubes/connections, which facilitate easy fabrication and connection between rows and inlet/outlet, and lower the pressure drop.

    MODULAR AIR COOLING AND DISTRIBUTION SYSTEMS AND METHODS
    36.
    发明申请
    MODULAR AIR COOLING AND DISTRIBUTION SYSTEMS AND METHODS 有权

    公开(公告)号：US20240381588A1

    公开(公告)日：2024-11-14

    申请号：US18634783

    申请日：2024-04-12

    Applicant: Inertech IP LLC

    Inventor： John Costakis ,  Ken Nguyen ,  Ming Zhang ,  Doron Shapiro

    IPC: H05K7/20

    Abstract: Modular air cooling and distribution systems include a fan and heat exchanger cooling assembly and a controller which controls the fan speed based on temperature and velocity measurements. The cooling assembly includes a fluid-to-air heat exchanger and a variable speed fan. The fluid in the fluid-to-air heat exchanger may be propylene glycol or water. The heat exchanger minimizes pressure drop and maximizes heat transfer. The quantity of cooling assemblies is selected to match the indoor cooling requirements. The cooling assemblies are easily assembled together, stacked vertically, and/or connected horizontally, to match the cooling load. If additional cooling capacity is needed in the future, more cooling assemblies can easily be added, and the cooling assemblies may be expanded vertically and/or horizontally. The speed of the fans of the fan and heat exchanger assemblies are controlled based on fluid temperature and fluid velocity measurements, which may be obtained by an anemometer.

    TRANSFORMERLESS MULTI-LEVEL MEDIUM-VOLTAGE UNINTERRUPTABLE POWER SUPPLY SYSTEMS AND METHODS
    37.
    发明公开
    TRANSFORMERLESS MULTI-LEVEL MEDIUM-VOLTAGE UNINTERRUPTABLE POWER SUPPLY SYSTEMS AND METHODS 审中-公开

    公开(公告)号：US20240291314A1

    公开(公告)日：2024-08-29

    申请号：US18595165

    申请日：2024-03-04

    Applicant: INERTECH IP LLC

    Inventor： Subrata K. Mondal

    IPC: H02J9/06 ,  H02M3/156

    CPC classification number: H02J9/062 ,  H02M3/156

    Abstract: Systems and methods for supplying power at a medium voltage from an uninterruptible power supply (UPS) to a load without using a transformer are disclosed. The UPS includes an energy storage device, a single stage DC-DC converter or a two-stage DC-DC converter, and a multi-level inverter, each of which are electrically coupled to a common negative bus. The DC-DC converter may include two stages in a unidirectional or bidirectional configuration. One stage of the DC-DC converter uses a flying capacitor topology. The voltages across the capacitors of the flying capacitor topology are balanced and switching losses are minimized by fixed duty cycle operation. The DC-DC converter generates a high DC voltage from a low or high voltage energy storage device such as batteries and/or ultra-capacitors. The multi-level, neutral point, diode-clamped inverter converts the high DC voltage into a medium AC voltage using a space vector pulse width modulation (SVPWM) technique. The UPS may also include a small filter to remove harmonics in the AC voltage output from the multi-level inverter.

    Devices and methods for reliable power supply for electronic devices
    39.
    发明授权
    Devices and methods for reliable power supply for electronic devices 有权

    公开(公告)号：US11831196B2

    公开(公告)日：2023-11-28

    申请号：US17172054

    申请日：2021-02-09

    Applicant: Inertech IP LLC

    Inventor： Jakob Carnemark ,  Piero Oliveri

    IPC: H02J9/06 ,  H02J3/38

    CPC classification number: H02J9/061 ,  H02J3/381 ,  H02J9/068

    Abstract: A power supply system includes an energy storage device electrically connected to a power grid, a power distribution assembly electrically connected to a load, and a power generation device electrically connected to the power distribution assembly. The energy storage device and the power grid are configured to supply electric power having a first voltage range to the power distribution assembly, which in turn, is configured to supply electric power having a second voltage range less than the first voltage range to the load. The energy storage device and the power generation device each are configured to at least temporarily supply a flow of electric power to the power distribution assembly when electric power from the power grid is interrupted such that a substantially uninterrupted flow of electric power is supplied to the load.

    SYSTEMS AND METHODS FOR ISOLATED LOW VOLTAGE ENERGY STORAGE FOR DATA CENTERS
    40.
    发明申请
    SYSTEMS AND METHODS FOR ISOLATED LOW VOLTAGE ENERGY STORAGE FOR DATA CENTERS 有权

    公开(公告)号：US20230091202A1

    公开(公告)日：2023-03-23

    申请号：US17893662

    申请日：2022-08-23

    Applicant: Inertech IP LLC

    Inventor： Subrata K. Mondal

    IPC: H02M7/483 ,  H02M3/155 ,  H02M7/527 ,  H02M1/04 ,  H02M1/08 ,  H02J9/00 ,  H02M7/487 ,  H02M3/158 ,  H02M3/335 ,  H02J9/06 ,  H02J7/00

    Abstract: Systems and methods of this disclosure use low voltage energy storage devices to supply power at a medium voltage from an uninterruptible power supply (UPS) to a data center load. The UPS includes a low voltage energy storage device (ultracapacitor/battery), a high frequency (HF) bidirectional DC-DC converter, and a multi-level (ML) inverter. The HF DC-DC converter uses a plurality of HF planar transformers, multiple H-bridge circuits, and gate drivers for driving IGBT devices to generate a medium DC voltage from the ultracapacitor/battery energy storage. The gate drivers are controlled by a zero voltage switching (ZVS) controller, which introduces a phase shift between the voltage on the primary and secondary sides of the transformers. When the primary side leads the secondary side, the ultracapacitor/battery discharges and causes the UPS to supply power to the data center, and when the secondary side leads the primary side, power flows from the grid back to the UPS, thereby recharging the ultracapacitor/battery.

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