公开(公告)号：US20220163056A1

公开(公告)日：2022-05-26

申请号：US17535319

申请日：2021-11-24

Applicant: GRUNDFOS HOLDING A/S

Inventor： Karsten DYRBYE ,  Kim Hulegaard JENSEN ,  Henrik KRAGH

IPC: F15B21/02 ,  F15B13/16

Abstract: A hydraulic system includes at least one hydraulic unit (2) having at least one flow path (14, 16, 18), an hydraulic actuator (22), provided for influencing a hydraulic flow through the flow path (14, 16, 18), at least one sensor device (24, 26), and a control device (10) for controlling the hydraulic actuator (22). The at least one sensor device (24, 26) includes a storage device (32) provided for containing information specifying the hydraulic unit (2). The control device (10) is configured to receive the information stored in the storage device (32) of the sensor device (24, 26) and to set up a control of the hydraulic actuator (22) based on the received information specifying the hydraulic unit (2). A method is provided for controlling the hydraulic actuator.

公开(公告)号：US20200378374A1

公开(公告)日：2020-12-03

申请号：US16884594

申请日：2020-05-27

Applicant: GRUNDFOS HOLDING A/S

Inventor： Carsten NIELSEN ,  Christoffer NEDERGAARD ,  Kjeld Vinther JACOBSEN ,  Karsten DYRBYE ,  John JESSEN GAMMELGAARD

IPC: F04B17/04

Abstract: A submersible pump assembly (1) includes a submersible pump (2) with a housing (3), and a sensor capsule (4) with a hermetically sealed casing (5). The sensor capsule (4) is releasably mountable at a sensor position (6) located at an outer face (7) of the housing (3) of the submersible pump (2). The submersible pump (2) includes a primary coil (8) within the housing (3). The sensor capsule (4) includes a secondary coil (9) within the casing (5). The primary coil (8) and the secondary coil (9) are arranged to be inductively coupled with each other for wirelessly transferring data and/or power through the housing (3) and the casing (5) when the sensor capsule (4) is mounted at the sensor position (6).

公开(公告)号：US20180112658A1

公开(公告)日：2018-04-26

申请号：US15661452

申请日：2017-07-27

Applicant: GRUNDFOS HOLDING A/S

Inventor： Peter FOSMARK ,  Flemming MUNK ,  Karsten DYRBYE

IPC: F04B51/00 ,  E21B47/04 ,  F04B49/06 ,  G01F23/24

CPC classification number: F04B51/00 ,  E21B43/128 ,  E21B47/042 ,  F04B17/03 ,  F04B49/06 ,  F04D13/08 ,  F04D15/0088 ,  F04D15/0218 ,  G01F23/24 ,  G01F23/28

Abstract: A submersible pump assembly (1), for arrangement in a shaft (2) or receptacle, includes a pump (3) and an electric motor (8) driving the pump (3) and a cable (5) for the supply of electricity. The cable is configured for being led out of the shaft (2) or receptacle at the upper side and for connection to an electricity source (7) outside the shaft or receptacle. The pump assembly (1) includes an electronics unit (9) which is configured to transmit a signal into the cable (5) and to detect a reflection signal at the surface (4) of the fluid (10) located in the shaft (2) or receptacle. The electronics unit (9) is configured to determine, from this reflection signal, a fluid level (11) in the shaft (2) or receptacle by way of time domain reflectometry.