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    AIR CURTAIN CONTAINMENT SYSTEM AND ASSEMBLY FOR DATA CENTERS
    51.
    发明申请
    AIR CURTAIN CONTAINMENT SYSTEM AND ASSEMBLY FOR DATA CENTERS 审中-公开

    公开(公告)号：US20180066859A1

    公开(公告)日：2018-03-08

    申请号：US15695807

    申请日：2017-09-05

    Applicant: Inertech IP LLC

    Inventor： Ken Nguyen

    IPC: F24F9/00 ,  F24F13/02 ,  H05K7/20

    CPC classification number: F24F9/00 ,  F24F13/0254 ,  F24F2009/002 ,  H05K7/20709 ,  H05K7/20745

    Abstract: An air curtain containment system and assembly for data centers forms an air curtain over the server cabinets thereby separating hot air in a hot aisle from cool ambient air. The air curtain containment system includes ducts which include a hot air intake section that receives hot air discharged from servers, which are disposed in server cabinets. The ducts include heat exchangers for cooling the hot air and at least one air curtain discharge section. A housing is coupled to a wall of the ducts, and includes a cooling edge device fan. The cooling edge device fan is disposed along the ducts, and is configured to draw the hot air for cooling through the heat exchangers. An air curtain fan assembly is disposed along the ducts. The air curtain fan assembly expels cold air through the air curtain discharge section, and thereby forms an air curtain over the server cabinets.

    Energy efficient electrical systems and methods for modular data centers and modular data pods
    52.
    发明授权
    Energy efficient electrical systems and methods for modular data centers and modular data pods 有权

    公开(公告)号：US09882422B2

    公开(公告)日：2018-01-30

    申请号：US14595688

    申请日：2015-01-13

    Applicant: Inertech IP LLC

    Inventor： Subrata K. Mondal

    IPC: H02J1/10 ,  H02J9/06 ,  H02J9/04 ,  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.

    SYSTEMS AND METHODS FOR MITIGATING HARMONICS IN ELECTRICAL SYSTEMS BY USING ACTIVE AND PASSIVE FILTERING TECHNIQUES
    55.
    发明申请
    SYSTEMS AND METHODS FOR MITIGATING HARMONICS IN ELECTRICAL SYSTEMS BY USING ACTIVE AND PASSIVE FILTERING TECHNIQUES 审中-公开

    公开(公告)号：US20170117748A1

    公开(公告)日：2017-04-27

    申请号：US15333177

    申请日：2016-10-24

    Applicant: Inertech IP LLC

    Inventor： Subrata K. Mondal

    IPC: H02J9/06 ,  H02M7/537 ,  H02M1/12 ,  H02M3/158

    CPC classification number: H02M1/12 ,  H02J3/01 ,  H02J3/1857 ,  H02J3/28 ,  H02J3/32 ,  H02M3/158 ,  H02M7/487 ,  Y02E40/26 ,  Y02E40/40

    Abstract: Systems and methods of the present disclosure involve passive, hybrid, and active filtering configurations to mitigate current harmonics for various electrical loads. One hybrid filtering configuration is medium voltage (MV) active filtering using a DC-DC converter and a multi-level inverter, and low voltage (LV) passive filtering. Another hybrid filtering configuration is MV passive filtering and LV active filtering using a two-level inverter. An active filtering configuration includes both MV and LV active filtering. The present disclosure also features power distribution unit (PDU) transformers electrically coupled to respective power supplies on the LV side of an electrical system. Each PDU transformer includes primary coils in a delta configuration and secondary coils in a wye configuration. The secondary coils are in series with respective leakage inductance coils. The secondary coils and the leakage inductance coils are integrated together into a single unit or module.

    COOLING SYSTEMS AND METHODS INCORPORATING A PLURAL IN-SERIES PUMPED LIQUID REFRIGERANT TRIM EVAPORATOR CYCLE
    56.
    发明申请
    COOLING SYSTEMS AND METHODS INCORPORATING A PLURAL IN-SERIES PUMPED LIQUID REFRIGERANT TRIM EVAPORATOR CYCLE 审中-公开
    冷却系统和方法，包括一系列串联泵送液体制冷剂蒸发器循环

    公开(公告)号：US20150211769A1

    公开(公告)日：2015-07-30

    申请号：US14682772

    申请日：2015-04-09

    Applicant: Inertech IP LLC

    Inventor： Gerald McDonnell ,  Earl Keisling

    IPC: F25B5/04 ,  F25B7/00 ,  F25B49/02 ,  F25B6/02

    CPC classification number: F25B5/04 ,  F25B6/02 ,  F25B7/00 ,  F25B23/006 ,  F25B25/005 ,  F25B41/00 ,  F25B49/02

    Abstract: The cooling systems and methods of the present disclosure relate to a plural in-series pumped liquid refrigerant trim evaporator cycle that may be incorporated into an existing cooling system to increase the efficiency of the existing cooling system. The cooling systems of the present disclosure include a first evaporator coil in thermal communication with an air intake flow to a heat load, such as a heat load being cooled by the existing cooling system, and a first liquid refrigerant distribution unit in thermal communication with the first evaporator coil. The cooling systems further includes a second evaporator coil disposed in series with the first evaporator coil in the air intake flow and in thermal communication with the air intake flow, and a second liquid refrigerant distribution unit in thermal communication with the second evaporator coil. A trim compression cycle of the second liquid refrigerant distribution unit is configured to incrementally further cool the air intake flow through the second evaporator coil when the temperature of the free-cooled first fluid flowing out of the main compressor of the second liquid refrigerant distribution unit exceeds a predetermined threshold temperature.

    Abstract translation: 本公开的冷却系统和方法涉及可并入现有冷却系统中的多个串联泵送的液体制冷剂修整蒸发器循环，以提高现有冷却系统的效率。 本公开的冷却系统包括与进气流与热负荷（例如由现有冷却系统冷却的热负荷）热连通的第一蒸发器盘管，以及与所述冷却系统热连通的第一液体制冷剂分配单元 第一蒸发器盘管。 冷却系统还包括与进气流中的第一蒸发器盘管串联布置并与进气流热连通的第二蒸发器盘管和与第二蒸发器盘管热连通的第二液体制冷剂分配单元。 第二液体制冷剂分配单元的调整压缩循环构成为，在从第二液体制冷剂分配单元的主压缩机流出的自由冷却的第一流体的温度超过第一蒸发器盘管时，进一步冷却通过第二蒸发器盘管的进气流量 预定的阈值温度。

    SPACE-SAVING HIGH-DENSITY MODULAR DATA SYSTEMS AND ENERGY-EFFICIENT COOLING SYSTEMS
    58.
    发明申请
    SPACE-SAVING HIGH-DENSITY MODULAR DATA SYSTEMS AND ENERGY-EFFICIENT COOLING SYSTEMS 有权

    公开(公告)号：US20250024648A1

    公开(公告)日：2025-01-16

    申请号：US18779868

    申请日：2024-07-22

    Applicant: Inertech IP LLC

    Inventor： Earl Keisling ,  John Costakis ,  Gerald McDonnell

    IPC: H05K7/20 ,  F25D17/00 ,  F28D15/00 ,  G06F1/20

    Abstract: A space-saving, high-density modular data pod system and an energy-efficient cooling system are disclosed. The modular data pod system includes a central free-cooling system and a plurality of modular data pods, each of which includes a heat exchange assembly coupled to the central free-cooling system, and a distributed mechanical cooling system coupled to the heat exchange assembly. The modular data pods include a data enclosure having at least five walls arranged in the shape of a polygon, a plurality of computer racks arranged in a circular or U-shaped pattern, and a cover to create hot and cold aisles, and an air circulator configured to continuously circulate air between the hot and cold aisles. Each modular data pod also includes an auxiliary enclosure containing a common fluid and electrical circuit section that is configured to connect to adjacent common fluid and electrical circuit sections to form a common fluid and electrical circuit that connects to the central free-cooling system. The auxiliary enclosure contains at least a portion of the distributed mechanical cooling system, which is configured to trim the cooling performed by the central free-cooling system.

    SYSTEMS AND METHODS FOR ISOLATED LOW VOLTAGE ENERGY STORAGE FOR DATA CENTERS
    59.
    发明申请
    SYSTEMS AND METHODS FOR ISOLATED LOW VOLTAGE ENERGY STORAGE FOR DATA CENTERS 有权

    公开(公告)号：US20250023488A1

    公开(公告)日：2025-01-16

    申请号：US18780449

    申请日：2024-07-22

    Applicant: Inertech IP LLC

    Inventor： Subrata K. Mondal

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

    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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