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    Heat exchanger and refrigeration cycle apparatus
    1.
    发明授权
    Heat exchanger and refrigeration cycle apparatus 有权

    公开(公告)号：US11852386B2

    公开(公告)日：2023-12-26

    申请号：US17280560

    申请日：2018-11-22

    申请人： Mitsubishi Electric Corporation

    发明人： Toshiki Kanatani ,  Hiroki Ishiyama ,  Yusuke Tashiro

    IPC分类号： F25B13/00 ,  F25B39/02 ,  F25B39/04 ,  F28F1/40 ,  F28F13/18

    CPC分类号： F25B13/00 ,  F25B39/02 ,  F25B39/04 ,  F28F1/40 ,  F28F13/187 ,  F25B2500/01

    摘要： A heat exchanger includes a heat transfer tube. The heat transfer tube includes a first tube portion, and second tube portions connected in parallel with each other with respect to the first tube portion. The first tube portion has a first inner circumferential surface, and first grooves recessed relative to the first inner circumferential surface and arranged side by side in a circumferential direction of the heat transfer tube. The second tube portions each have a second inner circumferential surface, and a plurality of second grooves recessed relative to the second inner circumferential surface and arranged side by side in the circumferential direction. The first grooves are less than the second grooves in one or more of a number of grooves, a depth of each groove, and a lead angle of each groove.

    EVAPORATOR FINS IN CONTACT WITH END BRACKET
    4.
    发明申请
    EVAPORATOR FINS IN CONTACT WITH END BRACKET 审中-公开

    公开(公告)号：US20180164038A1

    公开(公告)日：2018-06-14

    申请号：US15834624

    申请日：2017-12-07

    申请人： Electrolux Home Products, Inc.

    发明人： Marcelo Candeo

    IPC分类号： F28D1/047 ,  F25D21/08 ,  B23P15/26 ,  F25B39/02 ,  F25D17/06 ,  F28F1/32 ,  F28F9/00

    CPC分类号： F28D1/0477 ,  B23P15/26 ,  F25B39/022 ,  F25B2500/01 ,  F25D17/067 ,  F25D21/08 ,  F28F1/32 ,  F28F9/002 ,  Y10T29/53113

    摘要： A refrigerator is provided with an evaporator assembly located in a compartment. The evaporator assembly includes a pipe, a fan assembly, a plurality of fins, a first and second bracket. The pipe is configured to transport a refrigerant that exchanges heat with an air stream from the compartment. The plurality of fins is inserted on the pipe. The brackets each include apertures to receive bent end portions of the pipe. The brackets are configured to hold the pipe and the fins in a specific position, to mount the evaporator assembly within the compartment, and restrict the air stream exiting the evaporator assembly from mixing with the air stream entering the evaporator assembly. The fins include end fins that are placed in direct contact with the first end bracket and are configured to further restrict the air stream from flowing through the plurality of apertures of the brackets.

    Liquid Chiller System
    5.
    发明申请
    Liquid Chiller System 审中-公开

    公开(公告)号：US20180149394A1

    公开(公告)日：2018-05-31

    申请号：US15832813

    申请日：2017-12-06

    申请人： Stellar Group, Inc.

    发明人： Luke T. Facemyer

    IPC分类号： F25B39/04 ,  F25B39/02

    CPC分类号： F25B39/04 ,  F25B39/02 ,  F25B2339/024 ,  F25B2339/044 ,  F25B2500/01

    摘要： A liquid chiller system utilizing a refrigerant capable of possessing a liquid state and a gas/vapor state, the refrigerant being cycled through a closed loop assembly of a compressor, an eccentric condenser and an eccentric evaporator. The eccentric compressor has a lower integrated reservoir and the eccentric evaporator has an upper dedicated reservoir such that separate, dedicated separator or receiver vessels are not required. The eccentric condenser is positioned above the eccentric evaporator such that liquid refrigerant flows by gravity from the eccentric condenser to the eccentric evaporator.

    Throttle device
    6.
    发明授权
    Throttle device 有权

    公开(公告)号：US09945592B2

    公开(公告)日：2018-04-17

    申请号：US15303616

    申请日：2015-02-27

    申请人： Kabushiki Kaisha Saginomiya Seisakusho

    发明人： Yasumasa Takada ,  Yuichiro Toyama

    IPC分类号： F25B41/06 ,  F16K1/12 ,  F16K15/06 ,  F16K17/04

    CPC分类号： F25B41/062 ,  F16K1/126 ,  F16K15/063 ,  F16K17/0433 ,  F25B2500/01 ,  F25B2500/04 ,  F25B2500/26

    摘要： Provided is a throttle device to decompress a refrigerant cooled by a condenser in a refrigerating cycle and to deliver the refrigerant to an evaporator, where a minimum space between a needle valve and a valve port can be accurately set. Inside a cylindrical main body case including a primary chamber connected to the condenser and a secondary chamber connected to the evaporator, a valve seat member formed with a valve port and a cylindrical guide member integral to the valve seat member are provided. A coil spring to energize the needle valve toward the valve port side is provided inside the guide member. A needle portion of the needle valve protrudes from the valve port toward the primary chamber. A tip portion of the needle portion abuts against a stopper member and the tip portion is thereby positioned.

    Flash tank economizer for two stage centrifugal water chillers
    7.
    发明授权
    Flash tank economizer for two stage centrifugal water chillers 有权

    公开(公告)号：US09890977B2

    公开(公告)日：2018-02-13

    申请号：US14504950

    申请日：2014-10-02

    申请人： Carrier Corporation

    发明人： Hsihua Li ,  Haiping Ding

    IPC分类号： F25B39/04 ,  F25B43/00 ,  F25B1/00 ,  F25B25/00

    CPC分类号： F25B43/00 ,  F25B1/005 ,  F25B25/005 ,  F25B2339/047 ,  F25B2341/0662 ,  F25B2400/13 ,  F25B2400/23 ,  F25B2500/01

    摘要： A system comprises the integrated combination of: a condenser having a condenser water path leg extending from a water inlet to a water outlet; a first expansion device; a flash tank economizer; a second expansion device; an evaporator having an evaporator water path leg extending from a water inlet to a water outlet; and a refrigerant flowpath passing sequentially through the condenser, the first expansion device, the economizer, the second expansion device and the evaporator. The flash tank economizer comprises a horizontally elongate body having a first end and a second end. The economizer has an inlet conduit having an outlet. The economizer has a liquid outlet, a vapor outlet, and a medium between the outlet of the inlet conduit and the liquid outlet. A length of the refrigerant flowpath between the first expansion device and the outlet of the inlet conduit is at least 0.5 m.

    Evaporator fins in contact with end bracket
    9.
    发明授权
    Evaporator fins in contact with end bracket 有权

    公开(公告)号：US09874403B2

    公开(公告)日：2018-01-23

    申请号：US12395183

    申请日：2009-02-27

    申请人： Marcelo Candeo

    发明人： Marcelo Candeo

    IPC分类号： F25D21/06 ,  F28D1/047 ,  B23P15/26 ,  F25B39/02 ,  F25D17/06 ,  F25D21/08 ,  F28F1/32 ,  F28F9/00

    CPC分类号： F28D1/0477 ,  B23P15/26 ,  F25B39/022 ,  F25B2500/01 ,  F25D17/067 ,  F25D21/08 ,  F28F1/32 ,  F28F9/002 ,  Y10T29/53113

    摘要： A refrigerator is provided with an evaporator assembly located in a compartment. The evaporator assembly includes a pipe, a fan assembly, a plurality of fins, a first and second bracket. The pipe is configured to transport a refrigerant that exchanges heat with an air stream from the compartment. The plurality of fins is inserted on the pipe. The brackets each include apertures to receive bent end portions of the pipe. The brackets are configured to hold the pipe and the fins in a specific position, to mount the evaporator assembly within the compartment, and restrict the air stream exiting the evaporator assembly from mixing with the air stream entering the evaporator assembly. The fins include end fins that are placed in direct contact with the first end bracket and are configured to further restrict the air stream from flowing through the plurality of apertures of the brackets.