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公开(公告)号：EP4342573A1
公开(公告)日：2024-03-27
申请号：EP22197408.2
申请日：2022-09-23
申请人： Danfoss A/S
摘要： The present invention relates to a system for reverse osmosis, RO, comprising a first RO stage (10) with a first feed inlet (11), a first brine outlet (12), and a first permeate outlet (13); a second RO stage (20) with a second feed inlet (21), a second brine outlet (22), and a second permeate outlet (23); and a pressure exchanger, PE, (40) connected between the second brine outlet (22) and the first feed inlet (11), wherein a first pressure difference Δp 1 between the first brine outlet (12) and the second feed inlet (21) corresponds to a second pressure difference Δp 2 between the second brine outlet (22) and the pressure exchanger (40). The invention further relates to a method for operating such a system for reverse osmosis (100).
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公开(公告)号：EP4130492A1
公开(公告)日：2023-02-08
申请号：EP21189639.4
申请日：2021-08-04
申请人： Danfoss A/S
摘要： A pressure exchanger comprises a cylinder barrel (1), two valve plates (2) and two port plates (3, 4), wherein the cylinder barrel (1) comprises at least one cylinder (7) which accommodates a piston (8). The pressure exchanger further comprises a piston braking system (16,17), wherein the piston (8) comprises a pressure relief arrangement (9).
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公开(公告)号：EP3109470A1
公开(公告)日：2016-12-28
申请号：EP15174079.2
申请日：2015-06-26
申请人： Danfoss A/S
摘要： 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.摘要翻译： 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）。
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公开(公告)号：EP3109468A1
公开(公告)日：2016-12-28
申请号：EP15174081.8
申请日：2015-06-26
申请人： Danfoss A/S
CPC分类号： 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
摘要： 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).摘要翻译： 描述了具有相对于所述第一部分（3）可移动的第一部分（2）和第二部分（3）的液压机，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（9） ）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）位于邻近所述第一平台（9）处。
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公开(公告)号：EP3056728A1
公开(公告)日：2016-08-17
申请号：EP15154612.4
申请日：2015-02-11
申请人： Danfoss A/S
摘要： A hydraulic arrangement (1) is provided comprising a pressure exchanger (2) having an axis (3) of rotation, and a booster pump (4), said pressure exchanger (2) and said booster pump (4) being connected to each other.
Such a hydraulic arrangement should have a good efficiency.
To this end a single connection flange (5) is provided between said pressure exchanger (2) and the booster pump (4).摘要翻译： 提供一种液压装置（1），其包括具有旋转轴线（3）的压力交换器（2）和增压泵（4），所述压力交换器（2）和所述增压泵（4）彼此连接 。 这种液压装置应该具有很好的效率。 为此，在所述压力交换器（2）和增压泵（4）之间提供单个连接凸缘（5）。
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公开(公告)号：EP4375505A1
公开(公告)日：2024-05-29
申请号：EP22209777.6
申请日：2022-11-28
申请人： Danfoss A/S
IPC分类号： F04B1/0465 , F04B1/122 , F04B1/146 , F04B1/188 , F04B1/2042 , F04B1/2078 , F04B53/10
CPC分类号： F04B1/122 , F04B1/146 , F04B1/188 , F04B1/2042 , F04B1/2078 , F04B53/108 , F04B1/0465
摘要： A control plate (18) of a hydraulic machine is described, the control plate (18) comprising a body (21), an arrangement of openings (22, 23), and a contact face (24).
Means should be provided to operate a hydraulic machine with a low noise level.
To this end the body (21) is made of a flat plastic material.-
公开(公告)号：EP4151890A1
公开(公告)日：2023-03-22
申请号：EP21197094.2
申请日：2021-09-16
申请人： Danfoss A/S
IPC分类号： F16K3/08 , F16K3/02 , F16K3/314 , F04B1/2014 , F04B1/145 , F04B1/2064 , F16K27/04
摘要： A hydraulic machine comprising a first member (1) having a first structure (2) for a hydraulic medium opening in a first interface surface (3) and a second member having a second structure for the hydraulic medium opening in a second interface surface is described, the first interface surface (3) being in contact with the second interface surface, wherein at least one of the members (1) is provided with a support element (6) surrounding the member (1).
Such a machine should have a good efficiency.
To this end the support element (6) comprises a strength varying in circumferential direction around the member (1) and/or in thickness direction in a middle region of the member (1).
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