EP3063406B1 - Pompe a membrane et dispositif a clapets pour une telle pompe - Google Patents

Pompe a membrane et dispositif a clapets pour une telle pompe Download PDF

Info

Publication number
EP3063406B1
EP3063406B1 EP14809515.1A EP14809515A EP3063406B1 EP 3063406 B1 EP3063406 B1 EP 3063406B1 EP 14809515 A EP14809515 A EP 14809515A EP 3063406 B1 EP3063406 B1 EP 3063406B1
Authority
EP
European Patent Office
Prior art keywords
pump
diaphragm
cap
suction
discharge
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.)
Active
Application number
EP14809515.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3063406A1 (fr
Inventor
Sébastien FURET
Christophe Charriere
Philippe Duquennoy
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.)
Dosatron International SAS
Original Assignee
Dosatron International 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 Dosatron International SAS filed Critical Dosatron International SAS
Priority to PL14809515T priority Critical patent/PL3063406T3/pl
Publication of EP3063406A1 publication Critical patent/EP3063406A1/fr
Application granted granted Critical
Publication of EP3063406B1 publication Critical patent/EP3063406B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • F04B43/06—Pumps having fluid 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
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/102—Disc valves
    • F04B53/103—Flat-annular type disc valves
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air

Definitions

  • a diaphragm pump of this type is known in particular from WO 2012/063184 of the Applicant Company.
  • the diaphragm pump is installed at the lower end of a metering pump having a reciprocating hydraulic motor which operates the diaphragm pump to inject an additive into a main stream of liquid.
  • the membrane constitutes a relatively fragile component which must be able to be replaced from time to time. It is therefore desirable that the operation of disassembling and replacing the diaphragm be as simple as possible, with a minimum of impact on the other components of the pump.
  • the design of the diaphragm pump allows to reduce the dead volume that exists between the diaphragm in the rest position, or start of suction, and the discharge valve, to facilitate self-priming of the pump. the pump.
  • a diaphragm valve for a high speed piston pump comprising a valve seat defining at least one channel for the fluid to be passed through.
  • the channel includes a support disposed therein.
  • a diaphragm extends over the canal and is biased to a closed position by a raised lip on the valve seat.
  • a valve face recessed below the diaphragm is formed such that the fluid exerts a forward force on an area of the diaphragm which is greater than the cross-sectional area of the channel.
  • the holder in the channel supports the diaphragm during the reverse cycle of fluid flow. The valve is therefore durable and consumes a minimum amount of energy.
  • the object of the invention is above all to provide a diaphragm pump which meets the requirements mentioned above better than hitherto and which is of a simple and reliable construction.
  • WO 2008/031419 a diaphragm pump of the type in question, in which the body has a housing open towards the outside at one end, and closed at its other end by a bottom comprising a suction port and a discharge port, the diaphragm being located near the bottom, or against the bottom, and being held by a stopper engaged in the housing, this stopper having, at its end facing the membrane, a recess constituting the control chamber.
  • a diaphragm pump comprising the elements defined above, is characterized in that the housing is oriented transversely, preferably at right angles, relative to the control duct, the recess constituting the control chamber is connected to a passage which opens onto the lateral surface of the plug to establish communication with the control duct, and the plug is held in place in the housing by a ring linked, in particular by a thread, with the body of the pump and comprising a stopper retaining means.
  • the cap can be removed by simple translation after removing the ring retaining this cap, which allows access to the membrane and to replace it if necessary without having to intervene on the other elements of the pump.
  • the cap is put in place by a simple translational movement.
  • the pump comprises a valve device which comprises a plate in which the suction valve and the discharge valve are mounted, the plate supporting the membrane and being held against the bottom of the housing by the stopper.
  • the set of valves installed on the plate, and of the diaphragm, constitutes an interchangeable device which can be removed after removing the cap and replaced by a new set without intervention on the other components of the pump.
  • a suction port and a discharge port are provided in the bottom of the housing facing the corresponding valves carried by the plate.
  • a sealing ring, mounted on the plate around each valve, is provided to ensure the seal between the plate and the pump body.
  • the plate is crossed, at the level of the suction and discharge openings, by at least one channel for the flow of the fluid. Preferably, a single channel is provided at the level of the discharge orifice to reduce the dead volume between the diaphragm and the discharge valve.
  • the plate can be snapped onto the end of the stopper, in particular using elastic tabs provided on the stopper.
  • the suction and delivery valves are advantageously constituted by umbrella type valves, having a core engaged in an orifice of the plate and a flexible flange, or cap, closing the channel or channels passing through the plate.
  • the valves can be in contact with the diaphragm when the pump is at rest or at the end of delivery, so that the dead volume between diaphragm and delivery valve is minimum.
  • the suction and discharge valves could be constituted by valves in the form of a duckbill comprising two flexible lips pressing against each other in a V-shaped configuration, the tip of which is turned in the direction. fluid flow.
  • the suction and delivery valves of the umbrella type or in the shape of a duckbill, can be arranged in housings of the pump body, and the membrane is applied directly against the bottom of the housing, without being placed. on a plate.
  • the angle formed between the geometric axes of the suction and discharge connections is preferably greater than 90 °, and in particular equal to 135 °.
  • the geometric axis of the suction connection is parallel to the geometric axis of the control duct, while the geometric axis of the delivery connection forms an angle of 45 °, or close to this value, with the axis geometry of the control duct.
  • the stopper may have a surface comprising a cylindrical part and a frustoconical base suitable for pressing against a conjugated frustoconical surface of the housing, the passage provided in the stopper for connection to the control duct opening in this frustoconical part and coming opposite of the control duct, a keying means being provided on the lateral surface of the plug to cooperate with a conjugate keying means of the housing in order to ensure the proper positioning of the passage relative to the control duct.
  • the keying means may consist of a rib provided on the lateral surface of the stopper to cooperate with a corresponding groove provided in the housing.
  • sealing of the connection between the passage of the plug and the control duct is advantageously ensured by a sealing ring, in particular an O-ring, surrounding the outlet of the passage on the frustoconical oblique surface.
  • This ring is preferably housed in a circular groove provided on the oblique surface of the stopper. This arrangement with an oblique surface makes it possible to reduce the risk of damage to the sealing ring, in particular by pinching, during assembly, and of the translational engagement of the plug in the housing.
  • the passage provided in the stopper to connect the control chamber to the control duct extends over a length greater than the radius of the stopper to reduce the risk of interrupting the suction by sticking the membrane against the bottom of the control chamber.
  • the diaphragm pump as defined above comprises a valve device comprising the plate in which the suction valve and the discharge valve are mounted, in particular valves having a cap in the form of an umbrella and a core housed in an orifice in the plate, said plate supporting the membrane.
  • This valve device constitutes an interchangeable assembly for a diaphragm pump.
  • a diaphragm pump according to the invention is advantageously installed in the lower part of a proportional metering device as described in WO 2012/063184 , comprising a metering body with a main liquid inlet and an outlet, a hydraulic motor housed in the body and actuated by the main liquid, the motor driving a plunger which provides suction during a forward stroke transmitted by the duct to the control chamber of the diaphragm pump, and a discharge, pushing the diaphragm, when the plunger makes a return stroke.
  • Such a proportional metering device operating without electricity, allows an injection of auxiliary liquid delivered by the diaphragm pump.
  • control connector of the diaphragm pump comprises, for the retention of the pump to the metering device, a clip snapped onto the connector, and a means of connection to the metering device, in particular a nut, retained axially by said clip.
  • a pump P with a diaphragm M comprising a body 1 provided with a suction connection 2 and a delivery connection 3.
  • a suction valve 4 and a discharge valve 5 are associated respectively with the suction 2 and discharge 3 connections.
  • the membrane M is placed in a control chamber 6 connected by a passage 7 to a control duct 8 making it possible to alternately apply a vacuum and a pressure in the chamber 6 and on the membrane M.
  • the duct 8 is provided in a connection order 9.
  • the geometric axes of the connectors 2, 3 and 9, and of their respective pipes, are located in the same plane.
  • the pump P is used in the position shown in Fig. 1 , according to which the connection of control 9 is in the upper vertical part, the suction connection 2 is in the lower vertical part, and the delivery connection 3 is inclined upwards.
  • the angle formed between the geometric axes of the pipes provided in the fittings 2 and 3 is greater than 90 °, preferably equal to 135 °, so that the angle A between the geometric axis of the pipe 8 and that of the fitting 3 is equal to 45 °.
  • a working chamber 10, visible on Fig. 5 is located on the side of the membrane M opposite to the control chamber 6, the valves 4 and 5 making this chamber 10 communicate, either with the suction or with the discharge.
  • the body 1 comprises a housing 11 oriented transversely and, preferably, at right angles to the control duct 8.
  • This housing 11 is provided in a cylindrical protuberance 12 of the body 1, on the side opposite to the delivery connection 3.
  • the housing 11 is open at one end to the outside, and is closed at its other end by a bottom 13 comprising a suction port 14 connected to the pipe of the suction connector 2, and a discharge port 15 connected to the discharge connection pipe 3.
  • the membrane M is located near the bottom 13 and is held by a plug 16 engaged, by translation, without rotational movement, in the housing 11.
  • the control chamber 6 is provided at the inner end of the stopper 16 in the form of a bowl flared towards the membrane M.
  • the passage 7 extends orthogonally to the geometric axis of the stopper 16 over a length greater than the radius of the cap 16, this passage 7 opening onto the lateral surface of the cap in line with the control duct 8.
  • the stopper 16 is held in position by a ring 17 linked to the protuberance 12 of the pump body, advantageously by a thread, in which case the ring 16 constitutes a nut.
  • Other means for connecting the ring 17 to the protuberance 12 could be provided, for example in the form of ramps inclined in a helix.
  • the ring 17 comprises, at its end remote from the membrane M, a collar 18 projecting radially inwardly constituting a means for retaining the stopper 16 which comprises a peripheral rib 19 cooperating with the collar 18.
  • the housing 11 comprises a part frustoconical intermediate 20 near the membrane M and whose diameter decreases in the direction of this membrane.
  • the stopper 16 has a conjugated frustoconical part 21 which is applied against part 20 when tightening cap 16 by ring 17.
  • D coding means include, as can be seen on Fig. 2 , a rib 22 forming a flat, projecting on the cylindrical outer surface of the stopper, able to cooperate with a corresponding groove, not visible, provided in the housing 11.
  • this rib 22 occupies the same angular position as the outlet of the passage 7.
  • the seal between the plug 16 and the body 1 at the outlet of the passage 7 is advantageously produced with a sealing ring 23, in particular an O-ring, in particular made of elastomeric material, housed in a groove 24 provided on the surface oblique of the frustoconical part.
  • This arrangement of the seal 23 on an oblique surface makes it possible to reduce, if not eliminate, the risk of the seal pinching when the plug 16 is mounted by translation in the housing 1, at the level of the pipe 8.
  • the pump is equipped with a valve device comprising a plate 25 in which the suction valve 5 and the discharge valve 6 are mounted, advantageously made of elastomeric material.
  • Each valve 5, 6 is of the umbrella valve type having a cap in the form of a flexible umbrella and a core engaged, and preferably retained by snap-fitting, in an orifice of the plate 25.
  • the flexible cap of the suction valve 4 is facing the diaphragm M, while the cover of the discharge valve 5 faces the opposite side.
  • At least one channel 26, 27 passes through the plate in the area covered by the cap of the valve. As best seen on Fig. 2 , three channels 26 are provided to pass through the plate in the area of the seat of the cover of the suction valve 4, while a single channel 27 is provided in the area of the seat of the discharge valve 5. The presence of a only one channel 27 makes it possible to reduce the dead volume of air to be evacuated when the pump is primed, between the diaphragm M and the discharge valve 5.
  • the plate 25 supports the membrane M which has, at the periphery, a bead 28 received partly in a peripheral groove of the plate 25 and, for another part, in a peripheral groove at the end of the plug 16, surrounding the control chamber 6
  • the membrane M comprises a thicker central part 29 connected by an annular web 30 to the bead 28.
  • the veil 30, at rest, at the end of delivery, has a section in the form of an arc of convex curve on the side of the valves. In this rest position of the membrane, the suction valve 4 is in contact, by its umbrella cap, with the membrane M, while the core of the discharge valve 5 is in contact with the web 30 so that the The dead space between diaphragm and valve is reduced to a minimum.
  • the seal between the plate 25 and the bottom of the housing, around the orifices 14 and 15, is ensured by means of sealing rings 31, 32, in particular O-rings of elastomeric material, housed in annular grooves provided in the plate 25, to surround the valves and the orifices 14, 15.
  • the device formed by the plate 25, the valves 4 and 5 and the membrane M constitutes an interchangeable assembly which can be easily dismantled and replaced, after removal of the stopper 16 and extraction in translation to the left according to Fig. 1 , without intervention at the level of the other connections.
  • the stopper 16 comprises elastic tabs 33 forming staples, preferably diametrically opposed, in an angular position offset by a quarter of a turn with respect to the rib 22.
  • the tabs 33 allow the stopper 16 to be hooked to the plate 25, by snap-fastening of spouts provided in internal projection of the clips 33 in corresponding housings 34 provided at the periphery of the plate 25 in the form of a disc.
  • the valve 4 is placed on the plate 25 by introduction from the side of the membrane, while the valve 5 is put in place from the opposite side.
  • Fig. 2 The realization according to Fig. 2 is particularly advantageous because the extraction of the plug 16 after unscrewing the ring 17 makes it possible to remove the whole of the plate 25, the membrane M and the valves.
  • the plate 25, which was used, can be replaced by a new plate equipped with a membrane M and new valves 4, 5.
  • the plate 25 can be easily declined in different materials, and in particular in fluorinated materials to prevent deposits and improve the chemical resistance.
  • the plate 25 can also be made of ceramic in the case of products to be pumped, which would have an abrasive character.
  • the elastomeric valves 4, 5 allow design versatility by changing the materials, in particular to resist oxidizing products with a high chlorine content.
  • Fig. 3 shows, in perspective, the plate 25 seen from the side facing the membrane, which is not shown.
  • the umbrella cap of the suction valve 4, located on the membrane side, is visible on Fig. 3 , while only the core of the discharge valve 5 is visible.
  • Fig. 4 is an exterior perspective view of the pump Fig. 1 .
  • Fig. 5 represents, on a smaller scale, in vertical section, with part on the outside, the pump P of Fig. 1 mounted at the lower end of a proportional metering device J of an auxiliary liquid pumped into a tank not shown, by a pipe 35 connected to the suction connection 2 of the pump P.
  • the pumped auxiliary liquid is injected into a main liquid which enters the body 36 of the metering device through an inlet 37 and which is discharged through an outlet 38 on which is mounted a connector 39.
  • a hydraulic motor, not visible, is housed in the body 36, generally arranged vertically.
  • the motor, operated by the main liquid may be of the type described in the patent. EP 1971774 B1 in the name of the Applicant Company.
  • the hydraulic motor is connected to a plunger 40, vertical according to the arrangement of Fig. 5 , to drive it in a reciprocating rectilinear motion.
  • the plunger 40 moves in a cylindrical chamber 41, the lower end of which is connected to the control connection 9 so that the pressure variations in the chamber 41 are transmitted to the control duct 8.
  • a suction phase corresponds to the upstroke, according to Fig. 5 , or outward stroke, of the plunger 40 which creates a vacuum in the chamber 41 as well as in the pipe 8 and in the control chamber 6 of the pump P.
  • the suction valve 4 opens so that the auxiliary liquid can be sucked into the working chamber 10, while the discharge valve 5 closes.
  • the membrane M is applied against the walls of the control chamber 6 and the working chamber 10 has reached its maximum volume.
  • the discharge connection 3 is connected by a flexible pipe 42 to a transverse extension 43, directed vertically downwards, of the connection 39.
  • the inclination at 45 °, or at an angle close to this value, of the axis geometry of the connector 3 with respect to the geometric axis of the pipe 8 makes it possible to give the pipe 42 a simple shape comprising a rectilinear part followed by a curved arc with a large radius of curvature for the connection to the extension 43.
  • Fig. 6 represents, similarly to Fig. 5 , the whole of the proportional metering unit J and the pump P at the end of the delivery phase, the plunger 40 being at the end of the downward stroke.
  • the pressure of the liquid in the control duct 8 and in the control chamber 6 having increased, the membrane M was pushed back to the right according to Fig. 6 by causing the exit of the auxiliary liquid (which had been sucked in during the previous phase) through the discharge valve 5.
  • the auxiliary liquid is evacuated towards the pipe 42 and its mixture with the main liquid takes place at the level of the connection 39
  • the suction valve is closed and prevents a return to the suction line 35.
  • the membrane M is applied against the plate 25, depending on the configuration of the Fig. 6 and 1 .
  • Fig. 7 is a vertical section, similar to Fig. 1 , of a variant embodiment Pa of the diaphragm pump.
  • the elements of this variant identical, or similar in their functions, to elements already described in connection with Fig. 1 will be designated by the same references, possibly followed by the letter a, and their description will not be repeated or will only be given briefly.
  • the suction and discharge valves 4a, 5a are duckbill, that is to say in the shape of an inverted V for the suction valve 4a and inclined for the discharge valve 5a.
  • the tip of the V-shaped valves is oriented in the direction of flow of the liquid.
  • These valves comprise flexible lips which apply against each other to form the inverted or inclined V, and allowing passage of the liquid coming from the concavity of the V, and preventing circulation in the opposite direction.
  • the duckbill valves 4a, 5a can be mounted on a plate similar to the plate 25 of Fig. 1 .
  • the suction valve 4a is installed in a housing 14a of the pump body 1a, communicating with the working chamber 10.
  • the discharge valve 5a is installed at the inlet of the discharge connection 3a, downstream of the pressure chamber. work and at the outlet of an inclined pipe 44 communicating the work chamber with the pipe of the connector 3a.
  • the diaphragm M at the end of the delivery or in the rest position of the pump is applied directly against the bottom 13a of the housing of the pump body.
  • the cap 16a similar to the cap 16 of Fig. 1 comprises a central longitudinal well 45 with central partition 46 provided to facilitate the extraction of the plug 16 after removal of the nut 17.
  • Fig. 8 is a perspective view of the exterior of the Pa pump from Fig. 7 .
  • Fig. 9 shows, similar to Fig. 6 , the pump Pa installed in the lower part of a proportional metering device J, while the plunger 40 is at the end of its downstroke and the diaphragm M is at the end of the discharge stroke by being applied against the bottom 13a of the housing.
  • Fig. 10-12 illustrate an advantageous embodiment of the control connection 9 to ensure the maintenance of the pump P at the lower end of the proportional metering device J, as shown in Fig. 5 and 6 .
  • Elements identical or similar to elements already described are designated by the same references without their description being repeated in detail.
  • the connector 9 comprises, near its free end on its periphery, a groove 48 in which is mounted a sealing ring 49, in particular an O-ring.
  • the lower end of the proportioner J as visible on Fig. 6 , has a bore in which the connector 9 with the ring 49 is sealingly engaged.
  • a nut 50 is mounted to rotate freely around the connector 9.
  • the nut 50 is retained, in the axial direction, by an open clip 51 comprising a substantially U-shaped housing with tightened ends.
  • the staple 51 which can be made of plastic, has a certain elasticity to snap into a groove 52 of the outer wall of the connector 9.
  • the groove 52 has two diametrically opposed flats 53 against which the branches of the U of the 'clip 51 after installation.
  • the clip 51 has a circular outer edge, and constitutes a means for axially retaining the nut 50.
  • This nut comprises a flange 54 projecting radially inwardly capable of abutting against the clip 51. The nut 50 can be moved in translation behind the clip 51.
  • the lower end of the metering unit J comprises, on its periphery, a thread onto which the nut 50 is screwed to hold the pump P on the metering unit J.
  • This construction makes it possible to easily produce a rotating connection 9, sealed with a single watertight ring.
  • the assembly and disassembly of the diaphragm M are carried out quickly and easily, without having to intervene on the other elements of the pump.
  • the priming of the pump is facilitated by the reduction of the dead volume between the diaphragm and the valves, in particular the discharge valve.
EP14809515.1A 2013-10-30 2014-10-27 Pompe a membrane et dispositif a clapets pour une telle pompe Active EP3063406B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14809515T PL3063406T3 (pl) 2013-10-30 2014-10-27 Pompa membranowa oraz urządzenie z zaworami klapowymi do takiej pompy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1360587A FR3012538B1 (fr) 2013-10-30 2013-10-30 Pompe a membrane et dispositif a clapets pour une telle pompe
PCT/IB2014/065636 WO2015063668A1 (fr) 2013-10-30 2014-10-27 Pompe a membrane et dispositif a clapets pour une telle pompe

Publications (2)

Publication Number Publication Date
EP3063406A1 EP3063406A1 (fr) 2016-09-07
EP3063406B1 true EP3063406B1 (fr) 2020-12-02

Family

ID=50069103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14809515.1A Active EP3063406B1 (fr) 2013-10-30 2014-10-27 Pompe a membrane et dispositif a clapets pour une telle pompe

Country Status (18)

Country Link
US (1) US10247180B2 (ja)
EP (1) EP3063406B1 (ja)
JP (1) JP6563913B2 (ja)
CN (1) CN105683570B (ja)
AP (1) AP2016009172A0 (ja)
AR (1) AR098252A1 (ja)
AU (1) AU2014343342B2 (ja)
CA (1) CA2926684C (ja)
DK (1) DK3063406T3 (ja)
EA (1) EA030787B1 (ja)
ES (1) ES2854940T3 (ja)
FR (1) FR3012538B1 (ja)
MX (1) MX2016005662A (ja)
NZ (1) NZ719664A (ja)
PL (1) PL3063406T3 (ja)
PT (1) PT3063406T (ja)
UA (1) UA116818C2 (ja)
WO (1) WO2015063668A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108119323A (zh) * 2018-02-06 2018-06-05 安徽仁智电子科技有限公司 柱塞式计量泵
GB2581164A (en) * 2019-02-06 2020-08-12 Mhwirth Gmbh Fluid pump, pump assembly and method of pumping fluid
CN111806887B (zh) * 2020-07-01 2022-08-19 海信冰箱有限公司 冰箱

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2383193A (en) * 1943-11-01 1945-08-21 Oliver United Felters Inc Diaphragm pump
US2700876A (en) * 1951-12-03 1955-02-01 Air Liquide Plant for forcing gas under pressure from the liquefied gas
JPS4822722Y1 (ja) * 1970-01-08 1973-07-02
CA1046845A (en) 1975-06-04 1979-01-23 Walbro Corporation Diaphragm fuel pump
US4422835A (en) * 1979-02-28 1983-12-27 Mckee James E Fluid operated diaphragm pump with fluid timing control and control circuit manifold mounted on pump body
JPS60105936A (ja) * 1983-11-14 1985-06-11 Nikkiso Co Ltd ダイアフラム破損検知装置
IT1189160B (it) * 1986-06-11 1988-01-28 Nuovopignone Ind Meccaniche & Dispositivo perfezionanto di pompaggio,particolarmente adatto a comprimere fluidi in alti fondali
JPH01113158U (ja) * 1988-01-22 1989-07-31
TW274114B (ja) * 1994-05-09 1996-04-11 Ralf Wolbers
US5803122A (en) * 1997-02-14 1998-09-08 Theilmeier; Thomas Reciprocating pump valve
JP3834745B2 (ja) * 1999-05-11 2006-10-18 応研精工株式会社 小型ポンプ
US20020048519A1 (en) * 2000-09-27 2002-04-25 Joseph Spiteri-Gonzi Disposable pump and filter assembly
US7175397B2 (en) * 2002-09-27 2007-02-13 Pulsafeeder, Inc. Effervescent gas bleeder apparatus
DE102004057539A1 (de) * 2003-11-28 2006-12-14 Desch, Kurt Michael, Dipl.-Ing. (FH) Mit dem Einhebel der Keramikscheiben-Mischerarmaturservohydraulisch betätigter Verschlußstopfen eines Waschtisches oder einer Küchenspüle
JP4265820B2 (ja) * 2004-02-27 2009-05-20 シーケーディ株式会社 薬液供給システム
CN101142408A (zh) * 2004-04-21 2008-03-12 国际电话电报公司 五活塞隔膜泵
FR2896281B1 (fr) 2006-01-13 2008-02-29 Dosatron International Machine hydraulique, en particulier moteur hydraulique, a mouvement alternatif.
EP2061972A2 (de) * 2006-09-16 2009-05-27 THOMAS MAGNETE GmbH Membranpumpe
JP2010031653A (ja) * 2008-07-24 2010-02-12 Fujifilm Corp 凝集性液体の送液方法および記録媒体の製造方法
WO2010132372A2 (en) * 2009-05-10 2010-11-18 Pulsafeeder, Inc. Front pull-out hydraulics for pumps
CN201407154Y (zh) * 2009-05-18 2010-02-17 西安热工研究院有限公司 液压计量泵流量调节机构
DE102010039829A1 (de) * 2010-08-26 2012-03-01 Prominent Dosiertechnik Gmbh Membranpumpe mit trägheitsgesteuertem Leckergänzungsventil
FR2967218B1 (fr) 2010-11-08 2016-09-02 Dosatron International Doseur proportionnel d'un liquide auxiliaire dans un liquide principal.
CN203067855U (zh) * 2012-12-26 2013-07-17 福州洁博利感应设备有限公司 一种感应洁具冲洗阀

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
JP6563913B2 (ja) 2019-08-21
FR3012538B1 (fr) 2018-05-18
EA201690875A1 (ru) 2016-08-31
AU2014343342B2 (en) 2017-08-17
EA030787B1 (ru) 2018-09-28
EP3063406A1 (fr) 2016-09-07
CN105683570B (zh) 2017-10-24
NZ719664A (en) 2021-07-30
WO2015063668A1 (fr) 2015-05-07
US10247180B2 (en) 2019-04-02
US20160305424A1 (en) 2016-10-20
CN105683570A (zh) 2016-06-15
PL3063406T3 (pl) 2021-06-14
AR098252A1 (es) 2016-05-18
JP2016536507A (ja) 2016-11-24
CA2926684C (fr) 2022-11-01
AU2014343342A1 (en) 2016-05-19
UA116818C2 (uk) 2018-05-10
DK3063406T3 (da) 2021-03-01
AP2016009172A0 (en) 2016-04-30
CA2926684A1 (fr) 2015-05-07
PT3063406T (pt) 2021-02-18
MX2016005662A (es) 2016-08-11
ES2854940T3 (es) 2021-09-23
FR3012538A1 (fr) 2015-05-01

Similar Documents

Publication Publication Date Title
EP2638287B1 (fr) Doseur proportionnel d'un liquide auxiliaire dans un liquide principal.
EP2285497B1 (fr) Dispositif de distribution de produit fluide
CA2636627C (fr) Machine hydraulique, en particulier moteur hydraulique, a mouvement alternatif
EP3063406B1 (fr) Pompe a membrane et dispositif a clapets pour une telle pompe
FR2804728A1 (fr) Pompe, et ensemble de conditionnement equipe d'une telle pompe
FR2900643A1 (fr) Organe de distribution de produit fluide et distributeur comprenant un tel organe de distribution
EP1492627A1 (fr) Tete de distribution a monter sur une tige d' actionnement creuse mobile
EP2442914B1 (fr) Distributeur de produit fluide
EP2162663B1 (fr) Raccord a lavage exterieur facilite
FR2900646A1 (fr) Dispositif de distribution de produit fluide et procede de fabrication d'un organe mobile de clapet
EP1651539B1 (fr) Tete de distribution de produit fluide
EP3416748B1 (fr) Organe de distribution et distributeur comprenant un tel organe
EP1083004B1 (fr) Pompe destinée à équiper un récipient
FR2526403A1 (fr) Ensemble a pompe actionne a la main
EP3362685B1 (fr) Machine hydraulique et pompe doseuse reversible equipee d'une telle machine
FR3134997A1 (fr) Pompe
FR3114575A1 (fr) Dispositif de distribution comportant un clapet anti-retour à point dur
FR3096090A1 (fr) Pompe à précompression haute pression
FR3095968A1 (fr) Dispositif de distribution de produit fluide
FR2885963A1 (fr) Pompe de distribution de produit fluide, et dispositif de distribution comportant une telle pompe.
WO1996022163A1 (fr) Pompe a clapet d'admission monobloc et ensemble de moulage d'un tel clapet
FR2727473A1 (fr) Pompe manuelle a chambre souple
FR2857340A1 (fr) Organe de distribution de produit fluide et distributeur comprenant un tel organe
FR2878002A1 (fr) Pompe de distribution de produit fluide et distributeur comportant une telle pompe de distribution.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20160428

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20200210

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20200706

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1341211

Country of ref document: AT

Kind code of ref document: T

Effective date: 20201215

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: FRENCH

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602014072988

Country of ref document: DE

REG Reference to a national code

Ref country code: PT

Ref legal event code: SC4A

Ref document number: 3063406

Country of ref document: PT

Date of ref document: 20210218

Kind code of ref document: T

Free format text: AVAILABILITY OF NATIONAL TRANSLATION

Effective date: 20210211

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

Effective date: 20210223

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210303

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210302

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1341211

Country of ref document: AT

Kind code of ref document: T

Effective date: 20201202

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210302

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602014072988

Country of ref document: DE

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2854940

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20210923

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210402

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

26N No opposition filed

Effective date: 20210903

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210402

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211027

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211031

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211027

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: PT

Payment date: 20220928

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20221028

Year of fee payment: 9

Ref country code: DK

Payment date: 20221028

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: PL

Payment date: 20221020

Year of fee payment: 9

Ref country code: BE

Payment date: 20221027

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20141027

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230523

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20231023

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20231024

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20231107

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20231018

Year of fee payment: 10

Ref country code: IT

Payment date: 20231020

Year of fee payment: 10

Ref country code: FR

Payment date: 20231024

Year of fee payment: 10

Ref country code: DE

Payment date: 20231123

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201202