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公开(公告)号：US20200072227A1
公开(公告)日：2020-03-05
申请号：US16493211
申请日：2018-03-12
Applicant: GRUNDFOS HOLDING A/S
Inventor： Thomas BLAD , Peter MØNSTER
Abstract: A pump assembly includes an electrical drive motor, at least one impeller (14) which is rotatingly driven by the electrical drive motor as well as a control device (17) which activates the drive motor. The control device (17) is configured such that the control device (17) selectively activates the drive motor in at least one first or a second operating mode. In a first operating mode, the drive motor is activated by the control device (17) such that a rotor (6) of the drive motor continuously rotates. In the second operating mode the drive motor is controlled by the control device (17) such that the rotor (6) of the drive motor is moved further stepwise manner in at least one selected angular step of preferably smaller than 360°.
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公开(公告)号：US20160245533A1
公开(公告)日：2016-08-25
申请号：US15028576
申请日：2014-10-08
Applicant: GRUNDFOS HOLDING A/S
Inventor： Thomas BLAD
Abstract: A method for adapting the control of the feed temperature of a heating installation to a building to be heated or at least to a building part to be heated, with which the heating installation supplies the building or the building part with heat by way of a heat transfer medium led in the circuit. The circuit comprises at least one temperature-controlled heating circuit. The flow rate of the heat transfer medium in the circuit is registered in a continuous manner or in temporal intervals. The adaptation of the control of the feed temperature is effected automatically in dependence on the registered values.
Abstract translation: 一种用于将加热装置的进料温度的控制调整到待加热的建筑物或至少到待加热的建筑物部件的方法，加热装置通过热量向建筑物或建筑物部件供热 传输介质在电路中引导。 电路包括至少一个温度控制加热电路。 电路中的传热介质的流量以连续的方式或以时间间隔被记录。 根据注册值自动实现对进料温度的控制的适应。
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公开(公告)号：US20210156396A1
公开(公告)日：2021-05-27
申请号：US16494003
申请日：2017-08-03
Applicant: GRUNDFOS HOLDING A/S
Inventor： Thomas BLAD , Peter MØNSTER
Abstract: A centrifugal pump assembly includes an electric drive motor and an impeller (38; 38′), driven rotationally by the electric drive motor and arranged in a pump housing (24; 24′). The pump housing includes a first suction duct (46; 46′) that forms a first flow path from a first suction connector (44; 44′) to a suction side of the impeller. The pump housing includes a receiving chamber (50; 50′) which intersects the first suction duct, is connected to a second suction connector (58; 82; 110; 116), and in an interior includes a movable valve element (64; 90; 100; 128) connected to an actuating drive (76; 94; 105; 124) and configured to, with the movement of the valve element, change a cross-sectional ratio between the first flow path which extends from the first suction connector and a second flow path which extends from the second suction connector.
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公开(公告)号：US20200340684A1
公开(公告)日：2020-10-29
申请号：US16635787
申请日：2018-08-02
Applicant: GRUNDFOS HOLDING A/S
Inventor： Thomas BLAD , Christian BLAD
Abstract: A circulation pump assembly includes a first inlet (84), an outlet (80), an electric drive motor (30) and at least one impeller (68; 100) driven by the drive motor (30). The circulation pump assembly has at least one first flow path (26; 48) positioned in a connection between the first inlet (84) and the outlet (80) for increasing the pressure of a fluid. The circulation pump assembly has a second inlet (86). The at least one impeller (68; 100) has at least one second flow path (28; 50) for increasing the pressure of a fluid, which is positioned in a connection of the second inlet (86) to the outlet (80). A heating system is provided having a circulation pump assembly of this type.
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公开(公告)号：US20200072223A1
公开(公告)日：2020-03-05
申请号：US16492755
申请日：2018-03-12
Applicant: GRUNDFOS HOLDING A/S
Inventor： Thomas BLAD
Abstract: A centrifugal pump assembly includes an electrical drive motor (4, 6), an impeller (14) which is driven by the electrical drive motor (4, 6) as well as with at least one valve element (18) which is directly or indirectly movable along a first movement path between at least two switching positions, by the electrical drive motor (4, 6). At least a part of the valve element (18) is additionally movable along a second movement path which is different to the first movement path, between a released position, in which the valve element is distanced to at least one contact surface and a bearing position, in which the valve element bears on the at least one contact surface.
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Patent Agency Ranking
公开(公告)号：US20200056614A1
公开(公告)日：2020-02-20
申请号：US16492795
申请日：2018-03-13
Applicant: GRUNDFOS HOLDING A/S
Inventor： Thomas BLAD
Abstract: A centrifugal pump assembly includes an electrical drive motor (4, 6), an impeller (14) which is driven by the drive motor and a pump casing (12) surrounds the impeller and including two branches (27, 32, 34). A movable valve element (18) is arranged in the pump casing and is movable between two switching positions, in which the flow paths through the two branches (27, 32, 34) are opened to a different extent. The valve element (18) is configured and arranged in the pump casing (12) such that it separates a suction chamber (24) which is connected to a suction side of the impeller (14) from a delivery chamber (26) which is in connection with the delivery side of the impeller (14). The valve element (18) is mechanically and/or hydraulically coupled to the drive motor (4, 6) for at least a movement between the two switching positions.
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公开(公告)号：US20160273542A1
公开(公告)日：2016-09-22
申请号：US14392246
申请日：2014-06-25
Applicant: GRUNDFOS HOLDING A/S
Inventor： Thomas BLAD
IPC: F04D29/042 , F04D15/00 , F04D29/42 , F04D13/06
Abstract: A centrifugal pump assembly has an electric drive motor (2) and at least one impeller (10; 10′), which is movable in an axial direction (X) between at least two functional positions. In one functional position a flow path through the impeller (10; 10′) is essentially closed and in another functional position the flow path through the impeller (10; 10′) is opened. The impeller (10; 10′) in a first functional position is held by a magnetic force (FM) or a spring force and in a second functional position is held by a hydraulic force (FH) produced by a delivered fluid. An impeller is provided for the centrifugal pump assembly.
Abstract translation: 离心泵组件具有电驱动马达（2）和至少一个在至少两个功能位置之间沿轴向方向（X）移动的叶轮（10; 10'）。 在一个功能位置，通过叶轮（10; 10'）的流路基本上是封闭的，并且在另一个功能位置，通过叶轮（10; 10'）的流动路径被打开。 处于第一功能位置的叶轮（10; 10'）由磁力（FM）或弹簧力保持，并且在第二功能位置由通过输送的流体产生的液压力（FH）保持。 为离心泵组件提供叶轮。
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18.发明申请公开(公告)号：US20150102120A1
公开(公告)日：2015-04-16
申请号：US14513771
申请日：2014-10-14
Applicant: GRUNDFOS HOLDING A/S
Inventor： Erik Baasch SØRENSEN , Hakon BØRSTING , Thomas BLAD
Abstract: A method for adjusting the setpoint temperature of a heat transfer medium circulating in a heating or cooling system (9) inside a building or at least inside a surrounding part of a building. The heating or cooling circuit includes a plurality of heat transferring units, each with a temperature controlled valve. A sum opening degree (OD) of all temperature controlled valves is determined in a time dependent manner and a setpoint temperature Tw,ref of heat transferring medium is controlled according to a predetermined sum opening degree (OD) of all temperature controlled valves. A heating system (9) is provided for supplying heat to a building or a part of the building via a liquid heat transfer medium circulated in a circuit. The heating system (9) includes heat transferring units, each being equipped with a temperature controlled valve. The system is controllable according to the method for adjusting the setpoint temperature.
Abstract translation: 一种用于调节在建筑物内部或至少在建筑物的周围部分内的加热或冷却系统（9）中循环的传热介质的设定点温度的方法。 加热或冷却回路包括多个传热单元，每个热传递单元均具有温度控制阀。 以时间依赖的方式确定所有温度控制阀的总开度（OD），并根据所有温度控制阀的预定总开度（OD）来控制传热介质的设定点温度Tw，ref。 提供加热系统（9），用于通过在电路中循环的液体传热介质向建筑物或建筑物的一部分提供热量。 加热系统（9）包括传热单元，每个都配有温度控制阀。 根据调整设定点温度的方法可以控制系统。
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公开(公告)号：US20210164664A1
公开(公告)日：2021-06-03
申请号：US16635702
申请日：2018-08-02
Applicant: GRUNDFOS HOLDING A/S
Inventor： Thomas BLAD , Christian BLAD
Abstract: The invention relates to a method for the operation of a mixing device in a heating facility, in which mixing device two heating medium flows of different temperatures are mixed for adjusting the temperature of the heating medium, wherein the mixing device comprises at least one circulation pump assembly (24; 46) which delivers the heating medium, wherein the at least one circulation pump assembly (24; 46) is regulated in its speed in dependence on a temperature value which is detected in the heating medium, as well as to a mixing device for mixing the heating medium flows.
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公开(公告)号：US20210003133A1
公开(公告)日：2021-01-07
申请号：US16980057
申请日：2019-03-12
Applicant: GRUNDFOS HOLDING A/S
Inventor： Thomas BLAD , Christian BLAD , Peter MØNSTER
Abstract: A centrifugal pump assembly includes an electrical drive motor (2), with at least one impeller (18) which is driven by the motor and a pump casing (6) which surrounds the impeller (18) and which includes at least one suction connection (20) and at least two delivery connections (22, 24). A rotatable valve element (30, 30′, 30″) is arranged in the pump casing (6). The valve element is movable between at least two switching positions, in which the flow paths through the delivery connections (22, 24) are opened to a different extent. The valve element (30, 30′, 30″) includes an annular wall (32) which surrounds the impeller (18) and in which at least one switching opening (48) is formed. The valve element (30, 30′, 30″) is rotatably mounted about a rotation axis (X), which is centric to the annular wall (32), inside of the pump casing (6).
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