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    Magnetic valve with a one piece housing
    73.
    发明授权
    Magnetic valve with a one piece housing 有权

    公开(公告)号：US09683673B2

    公开(公告)日：2017-06-20

    申请号：US14437731

    申请日：2013-09-11

    Applicant: Danfoss A/S

    Inventor： Kristjan Arnor Gretarsson ,  Michael Birkelund

    IPC: F16K31/06 ,  F16K27/02

    CPC classification number: F16K31/06 ,  F16K27/02 ,  F16K27/029 ,  F16K31/0665 ,  Y10T137/5987

    Abstract: A magnetic valve (1) in which a valve housing (2), an armature tube (3), an inlet connection (4) and an outlet connection (5) form a single valve part is provided. An armature (9) made from a soft magnetic material is arranged movably inside the armature tube (3). A coil (16) is arranged externally to the armature tube (3) in such a manner that the armature tube (3) and the armature (9) are arranged inside the windings of the coil (16). A valve closing element (10) is connected to the armature (9) and is movable between a position in which it abuts a valve seat (8) and positions in which it does not abut the valve seat 8, thereby closing and opening the valve (1). In one embodiment, the flow path through the valve (1) from the inlet opening (6) to the outlet opening (7) does not pass through the windings of the coil (16). In another embodiment, the armature tube (3) comprises a closed end part (3a).

    REFRIGERANT COOLING FOR VARIABLE SPEED DRIVE
    74.
    发明申请
    REFRIGERANT COOLING FOR VARIABLE SPEED DRIVE 审中-公开

    公开(公告)号：US20170131006A1

    公开(公告)日：2017-05-11

    申请号：US15322698

    申请日：2014-07-03

    Applicant: DANFOSS A/S

    Inventor： William Turner Thornton ,  Mogens Rasmussen ,  Lin Sun

    IPC: F25B31/00 ,  F25B1/10 ,  F25B5/02 ,  F25B49/02

    Abstract: An example refrigerant system according to an exemplary aspect of this disclosure includes, among other things, a refrigerant loop having at least a condenser, an evaporator, and a compressor. The compressor includes a motor in communication with a variable speed drive. The system further includes a cooling circuit including a pressure regulator downstream of a heat exchanger, the heat exchanger absorbing heat from the variable speed drive.

    Method of coordinating operation of compressors
    75.
    发明授权
    Method of coordinating operation of compressors 有权
    协调压缩机运行的方法

    公开(公告)号：US09551335B2

    公开(公告)日：2017-01-24

    申请号：US14349765

    申请日：2012-10-05

    Applicant: Danfoss A/S

    Inventor： Jan Prins

    IPC: F04B41/06 ,  F25B1/10 ,  F25B7/00 ,  F25B49/02

    CPC classification number: F04B41/06 ,  F25B1/10 ,  F25B7/00 ,  F25B49/022

    Abstract: A method for coordinating operation between at least two groups of compressors in a cooling circuit is disclosed. A first group of compressors forms part of a low temperature (LT) part of the cooling circuit and a second group of compressors forms part of a high temperature (MT) part of the cooling circuit. Each of the compressor groups comprises one or more compressors, and each of the compressor groups comprises a controller, the controllers being capable of exchanging signals. In the case that the LT compressor group needs one or more of the LT compressors to start operation, it is investigated whether or not one or more of the MT compressors is/are operating. If this is the case, one or more of the LT compressors is/are allowed to start operation. If it is not the case, the suction pressure in the MT part of the cooling circuit is established, e.g. measured, and compared to a lower and an upper limit of a neutral pressure zone, said neutral pressure zone lying within an operating pressure zone of the MT part of the cooling circuit. Finally, the MT compressors and the LT compressors are operated based on the comparing step. The cooling system may be a cascade system or a booster system.

    Abstract translation: 公开了一种用于协调冷却回路中的至少两组压缩机之间的操作的方法。 第一组压缩机形成冷却回路的低温（LT）部分的一部分，第二组压缩机形成冷却回路的高温（MT）部分的一部分。 每个压缩机组包括一个或多个压缩机，并且每个压缩机组包括控制器，控制器能够交换信号。 在LT压缩机组需要一台或多台LT压缩机开始运行的情况下，对MT压缩机中的一台或多台是否正在运行进行研究。 如果是这种情况，则允许一个或多个LT压缩机开始运行。 如果不是这样，则建立冷却回路的MT部分中的吸入压力，例如， 测量并与中性压力区域的下限和上限进行比较，所述中性压力区域位于冷却回路的MT部分的工作压力区域内。 最后，基于比较步骤操作MT压缩机和LT压缩机。 冷却系统可以是级联系统或增压系统。

    HYDRAULIC MACHINE
    76.
    发明申请
    HYDRAULIC MACHINE 审中-公开
    液压机

    公开(公告)号：US20160377079A1

    公开(公告)日：2016-12-29

    申请号：US15187982

    申请日：2016-06-21

    Applicant: Danfoss A/S

    Inventor： Stig Kildegaard Andersen ,  Poul Erik Hansen ,  Erik Haugaard

    IPC: F04C15/00 ,  F16J15/16 ,  F04B53/00

    CPC classification number: F04C15/0007 ,  F04B1/0408 ,  F04B1/0448 ,  F04B1/124 ,  F04B49/10 ,  F04B53/00 ,  F04B53/143 ,  F15B13/0828 ,  F15B15/12 ,  F15B15/1452 ,  F15B15/1461 ,  F16J1/09 ,  F16J15/16

    Abstract: A hydraulic machine is described having a first part (2) and a second part (3) moveable relative to said first part (3), one of said first part (2) and said second part (3) having a first land (9) resting against the other one of said second part (3) and said first part (2), having a predetermined first height (H1), and being arranged between a high pressure area (7) and a low pressure area (8). Such a machine should have a long working life. To this end a second land (10) having a predetermined second height (H2) smaller than said first height (H1) is located adjacent to said first land (9).

    Abstract translation: 描述了一种具有第一部分（2）和第二部分（3）的液压机械，所述第一部分（2）和第二部分（3）相对于所述第一部分（3）可移动，所述第一部分（2）和所述第二部分（3）中的一个具有第一平台 ）抵靠所述第二部分（3）和所述第一部分（2）中的另一个，具有预定的第一高度（H1），并且布置在高压区域（7）和低压区域（8）之间。 这样的机器应该有很长的使用寿命。 为此，具有小于所述第一高度（H1）的预定第二高度（H2）的第二平台（10）位于所述第一平台（9）附近。

    HYDRAULIC MACHINE ARRANGEMENT
    77.
    发明申请
    HYDRAULIC MACHINE ARRANGEMENT 审中-公开
    液压机械装置

    公开(公告)号：US20160377070A1

    公开(公告)日：2016-12-29

    申请号：US15187940

    申请日：2016-06-21

    Applicant: Danfoss A/S

    Inventor： Stig Kildegaard Andersen ,  Poul Erik Hansen ,  Erik Haugaard

    IPC: F04B19/22

    CPC classification number: F04B19/22 ,  F03C1/06 ,  F04B1/12 ,  F04B49/10 ,  F04B2201/0803 ,  F04F13/00

    Abstract: A hydraulic machine arrangement (1) is described having a housing (5), a working section and a hollow inside said housing (5), a supply port arrangement LPin, HPin, LPout connected to said working area, and a leakage path (7) between said working section and said hollow. It should be possible to detect wear with simple means. To this end, said housing (5) is provided with a leakage port (8) connected to said hollow.

    Abstract translation: 一种液压机器装置（1）被描述为在所述壳体（5）内部具有壳体（5），工作部分和中空部分，连接到所述工作区域的供应端口布置LPin，HPin，LPout和泄漏路径（7 ）在所述工作部分和所述中空部分之间。 应该可以用简单的手段检测磨损。 为此，所述壳体（5）设置有连接到所述中空部的泄漏口（8）。

    A METHOD FOR ATTACHING AN OBJECT TO A STRUCTURE
    80.
    发明申请
    A METHOD FOR ATTACHING AN OBJECT TO A STRUCTURE 审中-公开
    一种连接对象到结构的方法

    公开(公告)号：US20160214210A1

    公开(公告)日：2016-07-28

    申请号：US14914092

    申请日：2014-09-19

    Applicant: DANFOSS A/S

    Inventor： Kurt Harck ,  Sigurd Larsen

    IPC: B23K26/28 ,  B23K26/06

    Abstract: A method for attaching an object, such as a sight glass (3) or an electrical connector (4), to a structure, such as a valve housing (1), the object (3, 4) comprising an annular flange (6, 11). The object (3, 4) is mounted in an opening (7, 12) of the structure (1) with the annular flange (6, 11) in abutment with an annular edge (8, 13) of the opening (7, 12). The object (3, 4) is attached to the structure (1) by performing welding of the annular edge (8, 13) and the annular flange (6, 11) and displacing the welding beam along the annular flange (6, 11).

    Abstract translation: 一种用于将诸如观察镜（3）或电连接器（4）的物体附接到诸如阀壳体（1）的结构的方法，所述物体（3,4）包括环形凸缘（6） 11）。 物体（3,4）安装在结构（1）的开口（7,12）中，环形凸缘（6,11）与开口（7,12）的环形边缘（8,13）邻接 ）。 通过执行环形边缘（8,13）和环形凸缘（6,11）的焊接并沿着环形凸缘（6,11）移动焊接梁，将物体（3,4）附接到结构（1） 。

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