CL2020001304A1 - Bomba y método para controlar una bomba. - Google Patents
Bomba y método para controlar una bomba.Info
- Publication number
- CL2020001304A1 CL2020001304A1 CL2020001304A CL2020001304A CL2020001304A1 CL 2020001304 A1 CL2020001304 A1 CL 2020001304A1 CL 2020001304 A CL2020001304 A CL 2020001304A CL 2020001304 A CL2020001304 A CL 2020001304A CL 2020001304 A1 CL2020001304 A1 CL 2020001304A1
- Authority
- CL
- Chile
- Prior art keywords
- pump
- level
- control unit
- liquid
- calibration level
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/025—Stopping, starting, unloading or idling control by means of floats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/08—Regulating by delivery pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
- F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
- F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
- F04D15/0236—Lack of liquid level being detected by analysing the parameters of the electric drive, e.g. current or power consumption
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/80—Arrangements for signal processing
- G01F23/802—Particular electronic circuits for digital processing equipment
- G01F23/804—Particular electronic circuits for digital processing equipment containing circuits handling parameters other than liquid level
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Mining & Mineral Resources (AREA)
- Computer Hardware Design (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
EN UN PRIMER ASPECTO, LA INVENCIÓN ES CONCERNIENTE CON UN MÉTODO PARA CONTROLAR UNA BOMBA (2), LA BOMBA (2) COMPRENDE UNA UNIDAD DE CONTROL INTEGRADA (12), UNA UNIDAD DE ACCIONAMIENTO QUE TIENE UN MOTOR ELÉCTRICO (9) Y UN EJE DE ACCIONAMIENTO (10) Y UNA UNIDAD HIDRÁULICA QUE TIENE UN IMPULSOR (11) CONECTADO AL MOTOR ELÉCTRICO (9) VÍA EL EJE DE ACCIONAMIENTO (10), EN DONDE LA UNIDAD DE CONTROL (12) ES CONECTADA OPERATIVAMENTE AL MOTOR ELÉCTRICO (9) Y ES CONFIGURADA PARA MONITOREAR Y CONTROLAR LA OPERACIÓN DE LA BOMBA (2), EN DONDE LA BOMBA (2) COMPRENDE ADEMÁS UN SENSOR DE PRESIÓN INTEGRADO (15) QUE TIENE UNA PRESIÓN DE REFERENCIA FIJA Y QUE ES CONECTADO OPERATIVAMENTE A LA UNIDAD DE CONTROL (12), LA UNIDAD DE CONTROL (12) ES CONFIGURADA PARA DETERMINAR EL NIVEL DE LÍQUIDO DEL LÍQUIDO QUE RODEA LA BOMBA (2) EN BASE A UNA RELACIÓN ENTRE EL VALOR REAL DEL SENSOR DE PRESIÓN (15) Y UN VALOR DE REFERENCIA, EN DONDE EL MÉTODO COMPRENDE UN SUB-MÉTODO PARA CALIBRAR LA BOMBA (2) Y QUE COMPRENDE LOS PASOS DE INICIAR EL BOMBEO, CONTINUAR EL BOMBEO HASTA QUE EL NIVEL DE LÍQUIDO DEL LÍQUIDO QUE RODEA LA BOMBA (2) ES IGUAL A UN NIVEL DE CALIBRACIÓN PREDETERMINADO, EL NIVEL DE CALIBRACIÓN PREDETERMINADO ES FIJO EN RELACIÓN CON LA BOMBA (2), DETERMINAR EL VALOR REAL DEL NIVEL DE CALIBRACIÓN DEL SENSOR DE PRESIÓN (15) CUANDO EL NIVEL DE LÍQUIDO DEL LÍQUIDO QUE RODEA LA BOMBA (2) ES IGUAL AL NIVEL DE CALIBRACIÓN PREDETERMINADO Y CALIBRAR LA BOMBA (2) AL ESTABLECER UN NUEVO VALOR DE REFERENCIA CORRESPONDIENTE AL VALOR REAL DEL NIVEL DE CALIBRACIÓN. EN UN SEGUNDO ASPECTO, LA INVENCIÓN TAMBIÉN SE REFIERE A TAL BOMBA (2).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17203461.3A EP3489517B1 (en) | 2017-11-24 | 2017-11-24 | Pump and method for controlling a pump |
Publications (1)
Publication Number | Publication Date |
---|---|
CL2020001304A1 true CL2020001304A1 (es) | 2020-09-25 |
Family
ID=60627401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CL2020001304A CL2020001304A1 (es) | 2017-11-24 | 2020-05-18 | Bomba y método para controlar una bomba. |
Country Status (12)
Country | Link |
---|---|
US (1) | US11598339B2 (es) |
EP (1) | EP3489517B1 (es) |
KR (1) | KR20200086359A (es) |
CN (1) | CN111386398B (es) |
AU (1) | AU2018371104B2 (es) |
CA (1) | CA3083310A1 (es) |
CL (1) | CL2020001304A1 (es) |
ES (1) | ES2923074T3 (es) |
MX (1) | MX2020005212A (es) |
PE (1) | PE20201454A1 (es) |
SG (1) | SG11202004750YA (es) |
WO (1) | WO2019101659A1 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201900012879A1 (it) * | 2019-07-25 | 2021-01-25 | Dab Pumps Spa | Dispositivo per la rilevazione del livello di un pozzo/serbatoio ed elettropompa ad immersione con tale dispositivo |
CN110440869B (zh) * | 2019-08-13 | 2020-11-10 | 刘琳 | 一种水利工程管理用的水位检测装置及方法 |
CN111735517B (zh) * | 2020-07-13 | 2023-10-20 | 浙江聚励云机械科技有限公司 | 液位测量方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2910003A (en) * | 1955-03-11 | 1959-10-27 | American Crucible Products Com | Pump control |
US3623366A (en) * | 1970-04-08 | 1971-11-30 | Former Electric Products Co In | Pressure responsive switches and systems pertaining thereto |
GB1562689A (en) * | 1975-11-18 | 1980-03-12 | Bell & Howell Ltd | Pressure-responsive apparatus |
US4627281A (en) * | 1985-05-10 | 1986-12-09 | Tavis Corporation | Tank gaging system |
JPH0419518A (ja) * | 1990-05-11 | 1992-01-23 | Toshiba Corp | 水位計の自動校正制御装置 |
US6227808B1 (en) * | 1999-07-15 | 2001-05-08 | Hydroair A Unit Of Itt Industries | Spa pressure sensing system capable of entrapment detection |
NL1018964C2 (nl) * | 2001-09-16 | 2003-03-20 | Kanters Bedrijven Nv | Pompinrichting, vloeistofniveauschakelaar en elastisch vervormbaar lichaam. |
EP1403522B1 (de) * | 2002-09-26 | 2005-11-23 | Grundfos A/S | Verfahren zur Erfassung eines Differenzdruckes |
AU2008217000B2 (en) * | 2007-09-21 | 2012-02-09 | Multitrode Pty Ltd | A pumping installation controller |
CN101328898A (zh) * | 2008-07-31 | 2008-12-24 | 泽尼特泵业(苏州)有限公司 | 潜水泵液位控制系统 |
CA2770525C (en) * | 2010-07-02 | 2019-09-24 | Rj Oil Sands Inc. | Method and apparatus for treatment of fluids |
CN203276048U (zh) * | 2013-06-17 | 2013-11-06 | 哈尔滨理工大学 | 一种利用气压传感器测控液位的装置 |
US11234577B2 (en) * | 2020-01-22 | 2022-02-01 | Haier Us Appliance Solutions, Inc. | System and method for calibrating a wash fluid level detection system in a dishwasher appliance |
-
2017
- 2017-11-24 EP EP17203461.3A patent/EP3489517B1/en active Active
- 2017-11-24 ES ES17203461T patent/ES2923074T3/es active Active
-
2018
- 2018-11-19 MX MX2020005212A patent/MX2020005212A/es unknown
- 2018-11-19 CA CA3083310A patent/CA3083310A1/en active Pending
- 2018-11-19 US US16/766,113 patent/US11598339B2/en active Active
- 2018-11-19 SG SG11202004750YA patent/SG11202004750YA/en unknown
- 2018-11-19 PE PE2020000554A patent/PE20201454A1/es unknown
- 2018-11-19 WO PCT/EP2018/081671 patent/WO2019101659A1/en active Application Filing
- 2018-11-19 CN CN201880075622.7A patent/CN111386398B/zh active Active
- 2018-11-19 AU AU2018371104A patent/AU2018371104B2/en active Active
- 2018-11-19 KR KR1020207017885A patent/KR20200086359A/ko not_active Application Discontinuation
-
2020
- 2020-05-18 CL CL2020001304A patent/CL2020001304A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019101659A1 (en) | 2019-05-31 |
US11598339B2 (en) | 2023-03-07 |
EP3489517B1 (en) | 2022-06-01 |
AU2018371104B2 (en) | 2024-03-14 |
EP3489517A1 (en) | 2019-05-29 |
MX2020005212A (es) | 2020-08-20 |
CN111386398A (zh) | 2020-07-07 |
CN111386398B (zh) | 2022-01-14 |
SG11202004750YA (en) | 2020-06-29 |
BR112020010266A2 (pt) | 2020-11-17 |
CA3083310A1 (en) | 2019-05-31 |
PE20201454A1 (es) | 2020-12-15 |
AU2018371104A1 (en) | 2020-07-09 |
US20210363999A1 (en) | 2021-11-25 |
KR20200086359A (ko) | 2020-07-16 |
ES2923074T3 (es) | 2022-09-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CL2020001304A1 (es) | Bomba y método para controlar una bomba. | |
PE20181937A1 (es) | Monitoreo de bomba | |
EP3007333A3 (en) | Motor apparatus for vehicle | |
MX2021011831A (es) | Sistemas de fracturacion de pozos con motores electricos y metodos de uso. | |
PH12016500180B1 (en) | Pump for pumping liquid as well as an impeller assembly | |
GB2556794A (en) | Seal section with internal lubricant pump for electrical submersible well pump | |
ECSP10010143A (es) | Aparato de bomba de pozo petrolero | |
EP3571412A4 (en) | PRESSURE BALANCED MOTOR POWER SENSOR CONNECTION FOR SUBMERSIBLE PUMP | |
BR112018004663A2 (pt) | motor para ventoinhas ou ventiladores, bombas ou compressores, processo para operação de um tal motor e sistema de ventilador com um ou vários motores/ventiladores | |
AR099819A1 (es) | Métodos y aparato para determinar la producción de bombas de fondo de pozo | |
BR112017005302A2 (pt) | sistema para bombeamento de fluido e método para sua operação. | |
CL2016003084A1 (es) | Un método para controlar la disposición de una bomba después de la obstrucción de la bomba, la disposición de la bomba que comprende una bomba y una unidad de control, la bomba comprende un motor, y la unidad de control que se dispone para impulsar tal motor. | |
BR112018067950A2 (pt) | aparelho de bombeamento | |
EP2466139A3 (en) | Fluid sealing in a pump for underwater applications and operating method thereof | |
BR112018010253A2 (pt) | montagem de vedação para um sistema de bombeamento submersível, sistema de bombeamento submersível e método de montagem | |
EA201500239A1 (ru) | Якорь передачи крутящего момента, предотвращающий вращение скважинной эксплуатационной колонны насосно-компрессорных труб, система для перекачки и предотвращения вращения и насосная установка, оборудованная таким якорем передачи крутящего момента | |
WO2018051192A3 (en) | Displacement pump and control system | |
FR3024868B1 (fr) | Appareil et procede pour commander un frein hydraulique d'un avion | |
EP3497332A4 (en) | WATERPROOF ECCENTRIC DRIVE FOR SUBMERSIBLE PUMP | |
WO2015172174A3 (de) | Chirurgische knochenbohrvorrichtung, winkelstück für eine solche chirurgische knochenbohrvorrichtung und verfahren zur kühlung einer solchen chirurgischen knochenbohrvorrichtung | |
JP2015158151A5 (es) | ||
MX2015011018A (es) | Dispositivo transportador de sondeo. | |
CL2016001713A1 (es) | Ensamble de sello de eje de bomba presurizado, integrado y método de uso del mismo | |
EP2919368A3 (en) | Liquid pumping unit made of a submersed electric motor arranged in a support structure | |
BR112018002488A2 (pt) | aparelho para e método de determinar fluxo de bomba em bombas de deslocamento positivo de parafuso duplo |