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    ROTARY CYLINDER DEVICE
    72.
    发明申请
    ROTARY CYLINDER DEVICE 审中-公开

    公开(公告)号：US20200208619A1

    公开(公告)日：2020-07-02

    申请号：US16621117

    申请日：2018-09-06

    申请人： YUGEN KAISHA K. R & D

    发明人： Fumito KOMATSU

    IPC分类号： F04B27/02 ,  F04B1/0408

    摘要： A plurality of guide shafts which are disposed parallel to an input/output shaft (a first input/output shaft, a second input/output shaft) are assembled in a case body which holds a cylinder in which first and second piston sets, move reciprocally. A first guide bearing, which abuts both side surfaces of a first piston body and receives only lateral pressure generated by the reciprocal movement, and a second guide bearing, which abuts both side surfaces of a second piston body and receives only lateral pressure generated by the reciprocal movement, are assembled coaxially and separated in an axial direction on each guide shaft.

    Fluid working machine having offset valve cylinders
    73.
    发明授权
    Fluid working machine having offset valve cylinders 有权

    公开(公告)号：US10677058B2

    公开(公告)日：2020-06-09

    申请号：US14895684

    申请日：2014-05-27

    申请人： Danfoss Power Solutions GmbH & Co. OHG ,  Artemis Intelligent Power Ltd.

    发明人： Alexis Dole ,  Uwe Bernhard Pascal Stein ,  Stephen Michael Laird

    IPC分类号： F01B1/06 ,  F04B1/0536 ,  F04B1/0408 ,  F04B1/0421 ,  F04B1/047 ,  F04B39/00 ,  F04B39/12 ,  F04B53/10

    摘要： The invention provides a fluid working machine comprising: a crankshaft (2) which is rotatable about an axis of rotation (3); adjacent first and second groups (5, 6, 8, 10) of valve cylinder devices (13) spaced from each other about the axis of rotation (3), one or each of the first and second groups (5, 6, 8, 10) of valve cylinder devices having first, second and third valve cylinder devices (13) arranged about and extending outwards with respect to the crankshaft (2), the first and third valve cylinder devices being axially offset from each other, the second valve cylinder device being axially offset from the first and third valve cylinder devices and the second valve cylinder device being offset from the first and third valve cylinder devices about the axis of rotation, wherein the second valve cylinder device has an axial extent which overlaps with the axial extent of one, or the axial extents of both, of the first and third valve cylinder devices.

    PUMP AND A DESALINATION SYSTEM INCLUDING THE PUMP
    74.
    发明申请
    PUMP AND A DESALINATION SYSTEM INCLUDING THE PUMP 审中-公开

    公开(公告)号：US20200166025A1

    公开(公告)日：2020-05-28

    申请号：US16747587

    申请日：2020-01-21

    申请人： KATADYN DESALINATION, LLC

    发明人： CHRISTOPHER JOHN DENT

    IPC分类号： F04B1/16 ,  F04B53/14 ,  F04B53/10 ,  F04B53/00 ,  F04B1/124 ,  F04B1/143 ,  C02F1/44 ,  F04B1/0421 ,  F04B1/0408 ,  F04B1/0452 ,  F04B5/02 ,  F04B7/00 ,  F04B9/04 ,  F04B1/0538 ,  F04B1/053

    摘要： A pump adapted for use in desalination systems that has four cylinders, with a double acting piston in each cylinder. Each cylinder and piston thereby defines a feed chamber and a recovery chamber. The pistons are connected to a common drive. The connection to the common drive is such that the pistons reciprocate in a sequence equally spaced in time. Reciprocating valving for each piston is driven by the common drive to be 90 degrees out of phase with the respective piston.The valving connects the recovery chamber alternately to an inlet manifold for an intake stroke of the piston relative to the recovery chamber, and to an outlet manifold for a discharge stroke of the piston relative to the recovery chamber. There is a brief period of closure coinciding with top dead centre and bottom dead centre of the piston, during which the recovery chamber is blocked off from both the inlet and outlet manifolds. The reciprocating valving is midway between its top dead centre and bottom dead centre during the period of closure.