公开(公告)号：US20240309874A1

公开(公告)日：2024-09-19

申请号：US18183587

申请日：2023-03-14

申请人： Saudi Arabian Oil Company

发明人： Marcelo Ramos Flores ,  Alaa Shawly ,  Fahad Meshal

IPC分类号： F04D13/10 ,  F04D1/06 ,  F04D27/00

CPC分类号： F04D13/10 ,  F04D1/06 ,  F04D27/001

摘要： A system includes: one or more electrical submersible pump (ESP) assemblies, each comprising: a centrifugal pump configured to raise a fluidic pressure; a motor connected to the centrifugal pump and configured to drive the centrifugal pump at a configurable speed; and one or more sensors configured to measure an operational parameter of the ESP assemblies; and a control panel comprising a computer processor and a user-interactive display coupled to each other, wherein the computer processor is configured to: receive the measured operational parameters of the ESP assemblies; and calculate at least one performance indicator for a ESP assembly selected by a user, and wherein the user-interactive display is configured to: generate a display for the measured operational parameters and the calculated at least one performance indictor; and receive an input from the user so that one or more operational parameters can be adjusted in accordance with the input.

公开(公告)号：US20240247659A1

公开(公告)日：2024-07-25

申请号：US18553679

申请日：2022-03-23

申请人： ZIEHL-ABEGG SE

发明人： Bjoern WENGER ,  Jacob KRAUTH ,  Fabian MOELLER

IPC分类号： F04D27/00

CPC分类号： F04D27/001

摘要： A method of monitoring the operation of a fan, wherein the method comprises the following steps of: performing at least one measurement (1) by detecting at least one input signal (2.1, 8.1) over at least one time period, calculating characteristic values (2, 8) of an actual state based on the measured input signals (2.1, 8.1), comparing (3, 9) the calculated characteristic values (2, 8) of at least one actual state with limit values (3.1, 9.1), classifying (4) the actual state on the basis of the comparison (3) either as an anomaly-free normal state (5) or as a general anomaly state (6), and monitoring whether at least one specific anomaly state (12) is present.

公开(公告)号：US20240209868A1

公开(公告)日：2024-06-27

申请号：US18145062

申请日：2022-12-22

申请人： Garrett Transportation I Inc

发明人： Jens Keuler ,  Daniel Terber ,  Joachim Ziegler

IPC分类号： F04D27/00 ,  F02B37/04 ,  F02B37/14 ,  F02B39/10 ,  F04D13/06 ,  F04D29/42 ,  F04D29/66

CPC分类号： F04D27/004 ,  F02B37/04 ,  F02B37/14 ,  F02B39/10 ,  F04D13/06 ,  F04D27/001 ,  F04D29/4206 ,  F04D29/668 ,  F02B2037/122

摘要： A turbocharger control system including a turbocharger having an exhaust turbine and a centrifugal compressor mechanically coupled by a shaft, a pressure sensor for detecting a boost pressure, an electric motor configured to apply a rotational pressure to the shaft in response to a current, and a processor determining an expected rotational speed in response to the boost pressure, determining a current value in response to a difference between the expected rotational speed and a desired rotational speed, and generating a control signal indicative of the current value to control the current applied to the electric motor.

公开(公告)号：US11994140B2

公开(公告)日：2024-05-28

申请号：US17247725

申请日：2020-12-21

申请人： Copeland LP

发明人： Michael M. Perevozchikov ,  Matthew J. Swallow

IPC分类号： F04D27/00 ,  F04D17/10 ,  F04D25/06 ,  F04D27/02

CPC分类号： F04D27/001 ,  F04D17/10 ,  F04D25/06 ,  F04D27/0215 ,  F04D27/0292

摘要： A system includes a dynamic compressor and a controller. The dynamic compressor includes a motor having a driveshaft rotatably supported within the dynamic compressor and a compression mechanism connected to the driveshaft and operable to compress a working fluid upon rotation of the driveshaft. The controller is connected to the motor and includes a processor and a memory. The memory stores instructions that program the processor to operate the motor to compress the working fluid at a motor speed greater than a predicted minimum surge speed plus a control margin, determine when surge events have occurred, store, in the memory, an indication of each surge event that the processor determined to have occurred, and determine whether or not to take a protective action when the processor determines that a surge event has occurred.

公开(公告)号：US20240093692A1

公开(公告)日：2024-03-21

申请号：US18256551

申请日：2021-12-14

申请人： Edwards Limited

发明人： James Alexander Haylock ,  Christopher Miles ,  Alexander James Patey

IPC分类号： F04D27/00 ,  F04D29/056 ,  G01M13/04

CPC分类号： F04D27/001 ,  F04D29/056 ,  G01M13/04

摘要： A monitoring apparatus includes: input reception circuitry configured to receive a signal indicative of a characteristic of rotating assembly rotation; and bearing wear monitoring circuitry configured to analyze the signal characteristic of rotating assembly rotation. The bearing wear monitoring circuitry is also configured to identify one or more signal features indicative of bearing wear. Bearing wear produces variation in rolling friction of the bearing and therefore is one cause of variation in shaft torque. Aspects recognise that variations in shaft torque can be indirectly monitored, measured and/or determined by appropriate measurement or monitoring of operational characteristics of a pump motor and that it may be possible to distinguish variations in shaft torque which can be attributed to bearing wear from those variations in shaft torque caused by one or more other factors.

公开(公告)号：US11873828B2

公开(公告)日：2024-01-16

申请号：US17058075

申请日：2019-06-12

申请人： LG ELECTRONICS INC.

发明人： Seunghyuck Kang ,  Seulki Kim

IPC分类号： F04D27/00 ,  F04D25/08 ,  F04D29/053 ,  G05B15/02

CPC分类号： F04D27/004 ,  F04D25/088 ,  F04D27/001 ,  F04D29/053 ,  G05B15/02

摘要： A ceiling fan according to an embodiment of the present disclosure comprises: a shaft coupled onto a ceiling or a wall surface of an indoor space; a motor assembly connected to the shaft to provide rotational power; a plurality of blades coupled to the motor assembly to be rotated; and an electronic component unit coupled to the shaft and positioned in an inner space of the motor assembly, wherein the electronic component unit includes a communication module for interworking with an air conditioning product installed in the indoor space, and a control unit for controlling the air conditioning product and the for assembly.

公开(公告)号：US11859628B2

公开(公告)日：2024-01-02

申请号：US18030504

申请日：2021-10-08

申请人： AKER SOLUTIONS AS

发明人： Age Hofstad ,  Randhir Mohite ,  Sergio Walsh Goldvag ,  Pal Erik Tysvaer Soerensen ,  Tarje Olderheim ,  Dag Elvebakken ,  Bastiaen Van Der Rest ,  Einar Marius Haaverstad ,  Rune Pettersen

IPC分类号： F04D27/02 ,  F04D27/00

CPC分类号： F04D27/0223 ,  F04D27/001

摘要： A method for preventing damage to a multiphase pump includes measuring a differential pressure of a fluid across the pump and an axial position of a rotor of the pump over a time period, calculating a pressure fluctuation by measuring a difference between a maximum and a minimum value of the measured differential pressure over the time period, calculating a dynamic axial position by measuring a difference between a maximum and a minimum value of the measured axial position of the rotor over the time period, comparing the calculated pressure fluctuation with an expected pressure fluctuation value, comparing the calculated dynamic axial position with an expected dynamic axial position value, and selecting an operating condition of the pump based on the comparison of the calculated pressure fluctuation with the expected pressure fluctuation value and of the calculated dynamic axial position with the expected dynamic axial position value.

公开(公告)号：US20230392603A1

公开(公告)日：2023-12-07

申请号：US18032742

申请日：2021-11-19

申请人： ATLAS COPCO AIRPOWER NAAMLOZE VENNOOTSCHAP

发明人： Thomas VANDEWAL ,  Jeunfai LO ,  Nathan VAN LAERE ,  Bert KORTHOUDT

IPC分类号： F04D17/10 ,  F04B49/06 ,  F04D25/06 ,  F04D27/00 ,  F04D27/02 ,  F04D29/58 ,  F25B1/10

CPC分类号： F04D17/10 ,  F04B49/065 ,  F04D25/06 ,  F04D27/001 ,  F04D27/0253 ,  F04D29/5833 ,  F04D27/0246 ,  F25B1/10 ,  F04D27/0261 ,  F04D27/0284 ,  F04B2203/0201 ,  F04B2205/09 ,  F04B2205/11 ,  F04B41/06

摘要： The present invention relates to a compressor device (1) comprising:

a compressor installation (2) having at least one compressor element (3a, 3b, 3c) for compressing a suctioned gas,
the compressor element (3a, 3b, 3c) being driven by an electric motor (4);
a heat recuperation system (6) for recuperating heat from a compressed gas resulting from the compression of the suctioned gas,
the heat recuperation system (6) comprising a piping network (7) having an inlet (8) and an outlet (9) for a coolant, said piping network (7) being provided at this inlet (8) or outlet (9) with control means with a flow rate control state variable for modifying a first flow rate of the coolant in the piping network (7); and
a control unit (13) which adjusts the flow rate control state variable of the control means on the basis of a drive current of the electric motor (4) or on the basis of a second flow rate of the suctioned gas such that a temperature Tw,out at the outlet (9) of the piping network (7) is driven to a predefined level.

公开(公告)号：US11835053B2

公开(公告)日：2023-12-05

申请号：US15734042

申请日：2019-08-08

申请人： Carrier Corporation

发明人： Jialong Wang ,  Qiang Chen ,  Guicai Zhang ,  Yun Li ,  Haitao Zhou ,  Zhen Jia ,  Chao Wang

IPC分类号： F04D27/00 ,  F04D17/10 ,  F04D27/02 ,  F25B1/053 ,  F25B49/02

CPC分类号： F04D27/001 ,  F04D17/10 ,  F04D27/02 ,  F25B1/053 ,  F25B49/022 ,  F25B2500/19 ,  F25B2700/151 ,  F25B2700/1931 ,  F25B2700/1933

摘要： A system for predicting a surge of a centrifugal refrigeration compressor including a signal capturing module for capturing at least two signals relevant to the centrifugal refrigeration compressor; a feature extracting module defining a window period for extracting data of the at least two signals, and defining at least two feature functions respectively acting on the data in the window period of the at least two signals; and, a feature analyzing and deducing module calculating a feature value for each of the signals to map a probability value of surge prediction for each of the signals, and concluding, based on the probability value of the surge prediction of each of the signals, a final probability value to determine whether or not the surge will occur to the centrifugal refrigeration compressor.

公开(公告)号：US11835049B2

公开(公告)日：2023-12-05

申请号：US17494901

申请日：2021-10-06

申请人： SHIMADZU CORPORATION

发明人： Koichi Shimizu

IPC分类号： F04D19/04 ,  F04D27/00 ,  F04D29/58

CPC分类号： F04D19/042 ,  F04D27/001 ,  F04D29/582

摘要： A turbo-molecular pump comprises: a turbine pump portion having rotor blades and stator blades arranged in multiple stages in an axial direction; a drag pump portion provided on a downstream side of the turbine pump portion; a case housing the turbine pump portion; a base housing the drag pump portion; and a temperature adjustment unit provided between the case and the base. The temperature adjustment unit includes a temperature adjustment spacer forming a pump casing together with the case and the base and, the temperature adjustment unit includes a cooler, a heater, and a temperature detector which are provided at the temperature adjustment spacer.