US20180038364A1 - Method for operating an undulating diaphragm pump and an undulating diaphragm pump operating system - Google Patents

Method for operating an undulating diaphragm pump and an undulating diaphragm pump operating system Download PDF

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Publication number
US20180038364A1
US20180038364A1 US15/654,137 US201715654137A US2018038364A1 US 20180038364 A1 US20180038364 A1 US 20180038364A1 US 201715654137 A US201715654137 A US 201715654137A US 2018038364 A1 US2018038364 A1 US 2018038364A1
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US
United States
Prior art keywords
undulating diaphragm
diaphragm pump
operating parameter
undulating
actuating means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/654,137
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English (en)
Inventor
Florian Dumas
Bruno Reynard
Mathieu Rudloff
Nicolas Travers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aerosystems SAS
Original Assignee
Zodiac Aerotechnics SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zodiac Aerotechnics SAS filed Critical Zodiac Aerotechnics SAS
Assigned to ZODIAC AEROTECHNICS reassignment ZODIAC AEROTECHNICS ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DUMAS, Florian, REYNARD, BRUNO, RUDLOFF, Mathieu, TRAVERS, NICOLAS
Publication of US20180038364A1 publication Critical patent/US20180038364A1/en
Assigned to SAFRAN AEROTECHNICS SAS reassignment SAFRAN AEROTECHNICS SAS CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: ZODIAC AEROTECHNICS
Abandoned legal-status Critical Current

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Classifications

    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0018—Special features the periphery of the flexible member being not fixed to the pump-casing, but acting as a valve
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0054—Special features particularities of the flexible members
    • 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
    • F04B2201/00—Pump parameters
    • 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
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0202—Voltage
    • 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
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0204—Frequency of the electric current
    • 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
    • F04B2203/00—Motor parameters
    • F04B2203/04—Motor parameters of linear electric motors
    • F04B2203/0401—Current
    • 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
    • F04B2203/00—Motor parameters
    • F04B2203/04—Motor parameters of linear electric motors
    • F04B2203/0402—Voltage
    • 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
    • F04B2203/00—Motor parameters
    • F04B2203/04—Motor parameters of linear electric motors
    • F04B2203/0404—Frequency of the electric current
    • 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
    • F04B2203/00—Motor parameters
    • F04B2203/04—Motor parameters of linear electric motors
    • F04B2203/0408—Power

Definitions

  • the present invention relates to the technical field of undulating diaphragm pumps and concerns, more particularly, a method for operating an undulating diaphragm pump, as well as an operating system for an undulating diaphragm pump.
  • the invention is applicable to all domains where undulating diaphragm pumps are used, but has an advantageous application in the field of aeronautics where undulating diaphragm pumps may be used, for example, for the evacuation of wastewater contained in a water-holding tank of a gray water management system for aircraft washrooms, or even to circulate fuel within the aircraft.
  • the undulating diaphragm pump comprises, generally, of a pump body delimiting a chamber into which an inlet pipe and an outlet pipe lead.
  • the undulating diaphragm pump comprises an undulating diaphragm capable of having a central opening, extending into the undulating diaphragm pump chamber, in particular between a lower end-plate and an upper end-plate of the undulating diaphragm pump.
  • the undulating diaphragm pump contains actuating means enabling the actuation of the undulating diaphragm, electrically powered by a voltage at a given frequency.
  • the actuating means notably enable the undulating diaphragm to oscillate and undulate.
  • the undulating diaphragm is able to move between the lower end-plate and upper end-plate respectively of the undulating diaphragm pump at a frequency equivalent to the electrical supply frequency of the actuating means.
  • an inverter is arranged in order to generate a periodic alternating supply at the given frequency.
  • the undulating diaphragm oscillates and undulates such as to propagate a wave front which causes, on the one hand, the pumping of a fluid to be pumped from the inlet pipe to the undulating diaphragm pump chamber and, on the other hand, a discharge of the fluid to be pumped from the undulating diaphragm pump chamber to the outlet pipe.
  • This type of undulating diaphragm pump gives complete satisfaction in that it requires reduced maintenance, and in that it is not sensitive to cavitation phenomena, nor to the quantity and size of waste or foreign bodies potentially present within the fluid to be pumped.
  • One of the aims of the invention is therefore to provide a method for operating an undulating diaphragm pump as well as an operating system for an undulating diaphragm pump, which enables the use of an undulating diaphragm pump to be optimized, notably by reducing the energy consumption thereof, and by increasing the performance thereof. Furthermore, alternatively or in combination, the present invention also proposes to improve all of the operating parameters of the undulating diaphragm pump, particularly as a function of the application concerned.
  • an undulating diaphragm pump operating method comprising at least one undulating diaphragm and actuating means of the undulating diaphragm, the actuating means being electrically powered according to a given frequency or voltage to make the undulating diaphragm oscillate and undulate.
  • the method consists in modifying the electrical supply frequency and/or voltage of the actuating means according to at least one operating parameter, determined in advance, of the undulating diaphragm pump.
  • the undulating diaphragm pump it is possible to modify the electrical supply frequency and/or voltage of the actuating means of the undulating diaphragm in order to vary at least one operating parameter of the undulating diaphragm pump such that it operates in an optimal way, according to the application concerned.
  • the operation of the undulating diaphragm pump is optimized when the undulating diaphragm pump consumes as little energy as possible while offering maximum performance.
  • Modifying the electrical supply frequency and/or voltage of the actuating means of the undulating diaphragm may also enable the undulating diaphragm pump to operate at a desired operating level.
  • the oscillation frequency of the undulating diaphragm should, for example, be equivalent to a resonant frequency defined by the internal characteristics of the undulating diaphragm pump and of the fluid to be pumped.
  • the oscillation frequency of the undulating diaphragm is dictated by the electricity supply frequency of the aircraft's electrical network.
  • the operating method according to the invention enables, for example, the electrical supply frequency and/or voltage of the actuating means of the undulating diaphragm to be modified, in order to vary the oscillation frequency of the undulating diaphragm so that it reaches the resonant frequency specific to the undulating diaphragm pump, which, as cited above, also depends upon the fluid to be pumped.
  • this comprises steps consisting of:
  • the step consisting of verifying whether the determined operating parameter has reached the predetermined target value may consist in verifying whether it is situated within a predetermined value range.
  • the step consisting of verifying whether the determined operating parameter has reached the predetermined target value may also consist in verifying whether the determined operating parameter has reached a maximum or minimum value, such that the electrical supply frequency and/or voltage is successively increased and decreased in order to determine whether the determined operating parameter has reached the maximum or minimum value.
  • the variation of the electrical supply frequency and/or voltage may obey a control logic depending upon the determined operating parameter.
  • the invention also concerns an operating system for an undulating diaphragm pump.
  • the undulating diaphragm pump operating system comprises a pump, comprising notably an undulating diaphragm and actuating means of the undulating diaphragm electrically powered according to a given frequency and/or voltage to make the undulating diaphragm oscillate and undulate.
  • the undulating diaphragm pump operating system comprises a control unit able to control the actuating means according to at least one operating parameter, determined in advance, of the undulating diaphragm pump.
  • control unit comprises an electrical supply frequency and/or voltage regulating component, arranged between the electrical supply and the actuating means.
  • the undulating diaphragm pump operating system may comprise measurement means capable of sending at least one measurement of at least one undulating diaphragm pump operating parameter to the regulating component.
  • FIG. 1 represents a schematic diagram of the operating system of the diaphragm pump according to the invention
  • FIG. 2 represents, schematically, viewed from the side, the interior of an undulating diaphragm pump according to one embodiment
  • FIG. 3 represents a schematic diagram of an operating method of an undulating diaphragm pump according to the invention
  • the invention relates to an operating system ( 1 ) for an undulating diaphragm pump ( 2 ) of which the use is optimized, for example, to operate according to the actual need of the pumping characteristics.
  • an operating system ( 1 ) for an undulating diaphragm pump ( 2 ) of which the use is optimized, for example, to operate according to the actual need of the pumping characteristics.
  • FIG. 2 which illustrates an example of an embodiment of the undulating diaphragm pump ( 2 )
  • the undulating diaphragm pump ( 2 ) comprises an undulating diaphragm ( 7 ) extending into the chamber ( 4 ), in particular an undulating diaphragm ( 7 ) in the form of a disc having a central, circular opening ( 8 ).
  • the undulating diaphragm ( 7 ) is obtained from a deformable material such as a silicone elastomer for example or similar.
  • the undulating diaphragm ( 7 ) is arranged between a lower end-plate and an upper end-plate.
  • the undulating diaphragm pump ( 2 ) comprises actuating means ( 9 ) enabling the undulating diaphragm ( 7 ) to be oscillated and undulated thereby enabling the pumping operations as such.
  • the actuating means ( 9 ) are powered by an electrical supply ( 10 ) delivering a given electrical supply voltage and/or frequency.
  • the actuating means ( 9 ) enable electrical energy provided by the electrical supply ( 10 ) to be transformed into an alternating movement, advantageously into a linear alternating movement.
  • the alternating movement causes the oscillating and undulating movement of the undulating diaphragm ( 7 ).
  • the undulating diaphragm ( 7 ) is secured to a mobile structure ( 11 ) connected to the actuating means ( 9 ) in the form of an electromagnet ( 12 ) comprising a mobile magnet ( 13 ).
  • the electromagnet ( 12 ) when the electromagnet ( 12 ) is electrically-powered by the electrical supply ( 10 ), the mobile magnet ( 13 ) oscillates and causes oscillation of the mobile structure ( 11 ) and therefore the oscillation and undulation of the undulating diaphragm ( 7 ).
  • the oscillation and undulation of the undulating diaphragm ( 7 ) enables a wave front to be generated causing the circulation of a fluid to be pumped through the diaphragm pump ( 2 ).
  • the mobile structure ( 11 ) also in the form of a disc, also serves to protect the undulating diaphragm ( 7 ).
  • the operating system ( 1 ) of the undulating diaphragm pump ( 2 ) comprises a control unit ( 14 ), such as an electronic computer, to capture signals and define running conditions.
  • the control unit ( 14 ) is arranged between the actuating means ( 9 ) and the electrical supply ( 10 ).
  • the control unit ( 14 ) is electrically-supplied and controls the electrical supply to the actuating means ( 9 ) of the undulating diaphragm pump ( 2 ).
  • the control unit ( 14 ) manages the electrical/electronic interfaces of the undulating diaphragm pump ( 2 ). Furthermore, the control unit ( 14 ) enables an output signal ( 18 ) to be created, notably an electrical power signal capable of being sent to the actuating means ( 9 ) of the undulating diaphragm ( 7 ) of the undulating diaphragm pump.
  • control unit ( 14 ) comprises a regulating component ( 15 ).
  • the regulating component ( 15 ) is able to modify and/or regulate the electrical supply frequency and/or voltage of the actuating means ( 9 ).
  • software and/or an optionally programmable logic circuit compose the electrical supply frequency and/or voltage regulating component ( 15 ) of the actuating means ( 9 ).
  • the regulating component ( 15 ) receives, at the input, an input signal ( 19 ), notably an electrical supply input voltage and/or input frequency, such as for example 400 Hz, coming from, for example, the aircraft's electrical network.
  • the regulating component ( 15 ) delivers the output signal ( 18 ), notably an output frequency and/or output voltage, preferably a regulated output frequency and/or output voltage, which supplies the actuating means ( 9 ) of the undulating diaphragm ( 7 ).
  • the regulating component ( 15 ) regulates the electrical supply frequency and/or voltage of the actuating means ( 9 ) according to at least one predetermined operating parameter, notably measured or calculated in advance, of the undulating diaphragm pump ( 2 ).
  • the regulating component ( 15 ) may vary the electrical supply frequency and/or voltage of the actuating means ( 9 ) according to one or more determined target values to be reached for one or more determined operating parameters. Alternatively, or additionally, the regulating component ( 15 ) may vary the electrical supply frequency and/or voltage according to a range of tolerance values wherein the measured or calculated parameters should be found. The regulating component ( 15 ) may also regulate the electrical supply frequency and/or voltage such as to respect a control logic.
  • the input voltage delivered by the electrical supply ( 10 ) is continuous.
  • the control unit ( 14 ) may also include a continuous/alternating inverter ( 16 ) to generate a periodic alternating output voltage to supply the actuating means ( 9 ) of the undulating diaphragm ( 7 ).
  • measurement means ( 17 ) are also connected, either to the regulating component ( 15 ) or, where applicable, to the continuous/alternating inverter ( 16 ), or directly to the undulating diaphragm pump ( 2 ).
  • the measurement means ( 17 ) are able to measure, as well as the operating parameters of the undulating diaphragm pump ( 2 ), the output signal ( 18 ) of the regulating component ( 15 ) and/or of the continuous/alternating inverter ( 16 ).
  • the control unit processing unit ( 14 ) is then able to compare the output signal ( 18 ) with the input signal ( 19 ), notably within the regulating component ( 15 ).
  • the measurement means ( 17 ) may be of different types depending upon the parameter to be measured. They may, for example, comprise sensors, such as pressure, flow rate, temperature sensors.
  • the control unit ( 14 ) calculates, or even the measurement means ( 17 ) measure at least one operating parameter of the undulating diaphragm pump ( 2 ). If several operating parameters are measured or calculated, these may be taken in isolation or in combination.
  • the measured or calculated operating parameter may constitute:
  • control unit ( 14 ) or the measurement means ( 17 ) send the value of the measured or calculated operating parameter to the regulating component ( 15 ).
  • a verification step (B) the regulating component ( 15 ) conducts a verification consisting in determining whether the measured operating parameter(s) has/have reached the predetermined target value(s).
  • the predetermined target value(s) may be of different types. By way of example, they may be for verifying whether one of the measured or calculated operating parameters has reached a particular value, or whether it has reached a multitude of target values notably defining a range of tolerance values for the measured or calculated operating parameter.
  • the regulating component ( 15 ) determines that the measured or calculated operating parameter(s) has/have not reached the predetermined target value(s), in an adaptation step (C), the regulating component ( 15 ) varies the input signal ( 19 ), in particular the electrical supply frequency and/or voltage of the actuating means ( 9 ). A new measurement or a new calculation of the operating parameter is then conducted according to the previously described measurement or calculation step (A), and a new verification according to the previously described verification step (B) is performed.
  • the oscillation frequency of the undulating diaphragm ( 7 ) influences the flow rate of the undulating diaphragm pump ( 2 ), while the power supply voltage influences the oscillation amplitude of the undulating diaphragm ( 7 ), and therefore enables the power of the undulating diaphragm pump ( 2 ) to be varied.
  • the flow rate and the operating power of the undulating diaphragm pump ( 2 ) are not constant. The invention thus enables the running of the undulating diaphragm pump ( 2 ) to be optimized in order that it always functions in an optimal way.
  • the invention provides a method of operating an undulating diaphragm pump ( 2 ), as well as an operating system ( 1 ) for an undulating diaphragm pump ( 2 ), which enable the use of the undulating diaphragm pump ( 2 ) to be optimized, by regulating the electrical supply to the undulating diaphragm pump ( 2 ) according to the actual need and application concerned.
  • the invention thus enables the energy consumption of the undulating diaphragm pump ( 2 ) to be regulated, the performance, as well as any calculable or measurable parameter, to be optimized.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Inverter Devices (AREA)
US15/654,137 2016-08-02 2017-07-19 Method for operating an undulating diaphragm pump and an undulating diaphragm pump operating system Abandoned US20180038364A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1657507 2016-08-02
FR1657507A FR3054861B1 (fr) 2016-08-02 2016-08-02 Procede de pilotage d'une pompe a membrane ondulante, et systeme pilote de pompe a membrane ondulante

Publications (1)

Publication Number Publication Date
US20180038364A1 true US20180038364A1 (en) 2018-02-08

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US15/654,137 Abandoned US20180038364A1 (en) 2016-08-02 2017-07-19 Method for operating an undulating diaphragm pump and an undulating diaphragm pump operating system

Country Status (8)

Country Link
US (1) US20180038364A1 (pt)
EP (1) EP3279475B1 (pt)
JP (1) JP2018021552A (pt)
BR (1) BR102017015730A2 (pt)
CA (1) CA2973869A1 (pt)
ES (1) ES2718423T3 (pt)
FR (1) FR3054861B1 (pt)
RU (1) RU2017126314A (pt)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111140473A (zh) * 2019-12-24 2020-05-12 上海浩洋泵阀制造有限公司 隔膜泵远程控制系统
US10799625B2 (en) 2019-03-15 2020-10-13 CorWave SA Systems and methods for controlling an implantable blood pump
US10933181B2 (en) 2017-03-31 2021-03-02 CorWave SA Implantable pump system having a rectangular membrane
US20210203021A1 (en) * 2019-12-29 2021-07-01 Actasys, Inc. Temperature Control Using Active Flow Control Actuators
US11097091B2 (en) 2016-04-11 2021-08-24 CorWave SA Implantable pump system having a coaxial ventricular cannula
US11191946B2 (en) 2020-03-06 2021-12-07 CorWave SA Implantable blood pumps comprising a linear bearing
US11298522B2 (en) 2016-04-11 2022-04-12 CorWave SA Implantable pump system having an undulating membrane
US11446480B2 (en) 2017-11-29 2022-09-20 CorWave SA Implantable pump system having an undulating membrane with improved hydraulic performance
US11512689B2 (en) 2017-11-10 2022-11-29 CorWave SA Undulating-membrane fluid circulator
US12017059B2 (en) 2022-11-15 2024-06-25 CorWave SA Implantable heart pump systems including an improved apical connector and/or graft connector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531128A (en) * 1993-08-20 1996-07-02 Vaisala Oy Capacitive transducer feedback-controlled by means of electrostatic force and method for controlling the profile of the transducing element in the transducer
US20110280755A1 (en) * 2007-10-22 2011-11-17 Frunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V. Pump, pump arrangement and pump module
US20140023533A1 (en) * 2011-04-15 2014-01-23 Techno Takatsuki Co., Ltd. Electromagnetic vibrating diaphragm pump
US20150167659A1 (en) * 2011-08-25 2015-06-18 Ecolab Usa Inc. Diaphragm pump for dosing a fluid capable of automatic degassing and an according method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR972512A (fr) * 1947-09-26 1951-01-31 Compresseur ou pompe électromagnétique
FR2650862B1 (fr) * 1989-08-11 1991-11-08 Salmson Pompes Dispositif de propulsion d'un fluide
WO2005119062A1 (fr) * 2004-05-26 2005-12-15 Viacor Circulateur de fluide a membrane rigide
FR3021074B1 (fr) * 2014-05-14 2016-05-27 Saint Gobain Performance Plastics France Pompe a membrane

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531128A (en) * 1993-08-20 1996-07-02 Vaisala Oy Capacitive transducer feedback-controlled by means of electrostatic force and method for controlling the profile of the transducing element in the transducer
US20110280755A1 (en) * 2007-10-22 2011-11-17 Frunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V. Pump, pump arrangement and pump module
US20140023533A1 (en) * 2011-04-15 2014-01-23 Techno Takatsuki Co., Ltd. Electromagnetic vibrating diaphragm pump
US20150167659A1 (en) * 2011-08-25 2015-06-18 Ecolab Usa Inc. Diaphragm pump for dosing a fluid capable of automatic degassing and an according method

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11097091B2 (en) 2016-04-11 2021-08-24 CorWave SA Implantable pump system having a coaxial ventricular cannula
US12005245B2 (en) 2016-04-11 2024-06-11 CorWave SA Implantable pump system having an undulating membrane
US11712554B2 (en) 2016-04-11 2023-08-01 CorWave SA Implantable pump system having a coaxial ventricular cannula
US11298522B2 (en) 2016-04-11 2022-04-12 CorWave SA Implantable pump system having an undulating membrane
US11623077B2 (en) 2017-03-31 2023-04-11 CorWave SA Implantable pump system having a rectangular membrane
US10933181B2 (en) 2017-03-31 2021-03-02 CorWave SA Implantable pump system having a rectangular membrane
US11512689B2 (en) 2017-11-10 2022-11-29 CorWave SA Undulating-membrane fluid circulator
US11446480B2 (en) 2017-11-29 2022-09-20 CorWave SA Implantable pump system having an undulating membrane with improved hydraulic performance
US10799625B2 (en) 2019-03-15 2020-10-13 CorWave SA Systems and methods for controlling an implantable blood pump
CN111140473A (zh) * 2019-12-24 2020-05-12 上海浩洋泵阀制造有限公司 隔膜泵远程控制系统
US20210203021A1 (en) * 2019-12-29 2021-07-01 Actasys, Inc. Temperature Control Using Active Flow Control Actuators
US11936025B2 (en) * 2019-12-29 2024-03-19 Actasys, Inc. Temperature control using active flow control actuators
US11191946B2 (en) 2020-03-06 2021-12-07 CorWave SA Implantable blood pumps comprising a linear bearing
US12017059B2 (en) 2022-11-15 2024-06-25 CorWave SA Implantable heart pump systems including an improved apical connector and/or graft connector

Also Published As

Publication number Publication date
EP3279475A1 (fr) 2018-02-07
RU2017126314A (ru) 2019-01-24
FR3054861B1 (fr) 2019-08-23
ES2718423T3 (es) 2019-07-01
JP2018021552A (ja) 2018-02-08
CA2973869A1 (fr) 2018-02-02
RU2017126314A3 (pt) 2020-08-26
FR3054861A1 (fr) 2018-02-09
BR102017015730A2 (pt) 2018-05-15
EP3279475B1 (fr) 2019-03-13

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