EP3610154A1 - Exzenterschneckenpumpe - Google Patents
ExzenterschneckenpumpeInfo
- Publication number
- EP3610154A1 EP3610154A1 EP18724439.7A EP18724439A EP3610154A1 EP 3610154 A1 EP3610154 A1 EP 3610154A1 EP 18724439 A EP18724439 A EP 18724439A EP 3610154 A1 EP3610154 A1 EP 3610154A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stator
- rotor
- eccentric screw
- screw pump
- pump
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000005086 pumping Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 15
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000000806 elastomer Substances 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 230000002250 progressing effect Effects 0.000 claims description 7
- 230000000284 resting effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000013536 elastomeric material Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000013067 intermediate product Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003534 oscillatory effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000006266 hibernation Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000914 Metallic fiber Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 208000001848 dysentery Diseases 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001617 migratory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C15/0065—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions for eccentric movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0007—Radial sealings for working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
- F04C2/1076—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type where one member orbits or wobbles relative to the other member which rotates around a fixed axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C15/0073—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/40—Electric motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/04—PTFE [PolyTetraFluorEthylene]
Definitions
- the present invention relates to an eccentric screw pump
- Eccentric screw pumps are pumps for pumping a large number of media, in particular viscous, highly viscous and abrasive media such as sludges, liquid manure, crude oil and fats.
- Progressing cavity pumps known from the prior art are formed from a rotor and a stator, the rotor being accommodated in the stator and moving eccentrically in the stator.
- the stator has a spiral-shaped inner side. From the movement of the rotor and mutual contact of stator and rotor in so-called sealing areas or sealing contact surfaces between the stator and the rotor moving conveyor chambers are formed, by means of which liquid media can be transported along the stator.
- the rotor performs an eccentric rotational movement about the stator longitudinal axis or about the longitudinal axis of the eccentric screw pump.
- the outer screw that is, the stator, for example, has the form of a double-threaded thread, while the rotor screw is only catchy.
- the stator for example, has the form of a double-threaded thread, while the rotor screw is only catchy.
- Eccentric screw pumps for pumping water, petroleum and a large number of other liquids.
- the shape of the delivery chambers is constant during the movement of the rotor within the stator, so that the pumped medium is not crushed.
- a suitable design not only fluids but also solids can be conveyed with progressing cavity pumps.
- the delivery efficiency of an eccentric screw pump is special on the quality of the seal between the pressure chambers or
- Conveying spaces of the stator and the profile of the displacing rotor determines what is achieved in particular by the fact that the pressure chamber walls of the stator by a bias in the sealing areas or in the area of
- Sealing contact surfaces are elastically pressed against the rotor. This initial overlap is particularly necessary to prevent the pump pressure building up on starting the eccentric screw pump from pushing the elastically deformable material of the stator radially outward. If this overlap is missing, the frictional contact between the rotor and the stator is lost as a result of the build-up of the pump pressure. However, this is necessary in order to prevent or minimize an overflow of the delivery medium to a delivery chamber of lower pressure. Covering means, in particular, that the external dimensions of the rotor in the contact regions or along the sealing regions or sealing contact surfaces between the rotor and the stator are greater than the internal dimensions of the stator.
- Eccentric screw pumps in which the stator is surrounded by a pressure medium.
- one stator end is fixed within the eccentric screw pump, while the other end of the stator is freely swinging.
- the stator is able to absorb the eccentric motion of the rotor-stator system.
- the stator is surrounded by the pumped medium.
- the conveying direction is chosen such that the surrounding the stator
- Delivery medium has the pressure side pressure of the eccentric screw pump. Due to the resulting pressure difference between the delivery chambers connected to the suction side and the pressure side pressure on the outer circumferential surface of the stator, the stator is pressed onto the rotor. Thus, even with very soft stators comparatively high pressures can be generated.
- Eccentric screw punches are referred to in particular as wobble pumps.
- wobble pumps There are two types of wobble pumps. Some are articulated and the others are articulated.
- the axis of the flexible rubber stator describes a cylindrical shape, ie the stator is pushed away laterally.
- the eccentric movement between rotor and stator (eccentricity) is compensated by the fact that between the fixed axis of the drive shaft and the rotor screw a gimbal joint for torque transmission is arranged.
- the stator is on
- the axis of the stator essentially describes a conical shape.
- a disadvantage is in particular that due to the system of rotor and stator with coverage along the sealing areas or sealing contact surfaces when starting the eccentric screw pump a high breakaway torque must be overcome.
- the drive used for the rotor must be sufficiently dimensioned to have the appropriate force for the breakaway of the eccentric screw pump and the acceleration of the eccentric screw pump over the low
- the object of the invention is to provide an eccentric screw pump, in particular a wobble pump, whose start-up is improved during start-up.
- the invention relates to an eccentric screw pump, in particular a wobble pump, for pumping fluid or flowable fluids from a suction side to a pressure side.
- the wobble pump comprises an inner pump part and an outer pump part, for example the wobble pump comprises a rotor as the inner pump part and a stator, in particular a wobble stator, as outer pump part.
- the outer pump part is arranged to rotate, while the inner pump part is fixed.
- Another embodiment may provide that the inner and the outer pump part are arranged to rotate against each other.
- the preferred embodiment the
- Eccentric screw pump a rotor and a stator.
- the rotor of the wobble pump is connected via a joint to a drive shaft and thus to the drive.
- the joint may also be connected directly to the motor shaft of the drive.
- the stator is designed compliant and one-sided, in particular on the suction side, fixed to the housing of the eccentric screw pump or pump housing, while the other end of the stator free swinging within the
- Pump housing is arranged and thus can accommodate the eccentric movement of the rotor. Below is preferably spoken only by wobble pumps to describe such an eccentric screw pump.
- the stator is preferably made resilient, for example, this may consist of an elastomeric material.
- the stator although made of a relatively rigid material, which is formed so thin-walled, that the material of the stator gives in accordance with a force acting radially to the longitudinal axis of the stator in particular.
- stator and the rotor are the stator and the rotor
- the stator is pressed radially against the rotor and in particular in the sealing areas or in the region of the sealing contact surfaces brought into sealing contact with this, whereby separate from each other adjacent delivery chambers are formed for the pumped medium.
- the outer pump part as
- Wobblestator and the inner pump part is designed as a rotor. It goes without saying it goes without saying that the person skilled in the art can analogously transfer this to wobble pumps which have a static inner pump part and a rotating outer pump part or to wobble pumps in which the inner and outer pump parts are designed to rotate with respect to one another. It is preferably provided that in the idle state of the wobble pump along the sealing areas or sealing contact surfaces between the rotor and the stator at least partially a game is formed.
- the flexible area on the wobble roller which is responsible for compensating for the eccentricity, is one of the most heavily loaded points of the wobbler. Due to the continuous bending of the wobblestator arise depending on the design of the
- Statoreinspannstelle in this area tensile or compressive forces or shear forces.
- the operating torque and the axial force due to the differential pressure, depending on the design of Statoreinspannstelle also again cause train pressure or shear forces.
- the drive torque causes high shear stresses on the wobble stator. It is known that elastomers can withstand tensile and shear forces for a long time if the elastomeric material is "pre-stressed" or
- the medium and high pressure wobble pump produces pressure forces due to the differential pressure between the pressure and suction sides in addition to the aforementioned loads on the flexible area of the wobble roller. These compressive forces act as "preload” of the material, so high life can be achieved in this mode of operation.
- conventional state-of-the-art wobble pumps operate at low pressure or unpressurized rotor-to-wobbler overlap, this superimposed “bias” is absent the elastomeric material of the wobbler is damaged.
- the eccentric screw pump according to the invention with wobbler and with at least partially trained game between the wobble and the rotor at rest thus has flexible areas in the wobble, which at higher torque loads fittingly have a higher Vorspannng.
- the starting torque is about zero and the operating torque is also very low at low differential pressures.
- the rotor has at least partially smaller outer dimensions than the wobbler inner dimensions.
- the rotor and wobble Preferably exists between the rotor and wobble in almost the entire area of the sealing areas or sealing contact surfaces, the
- Sealing areas or sealing contact surfaces corresponds, formed between the rotor and the wobble no sealing contact.
- this area a clearance or distance between the rotor and the
- Wobblestator is present. That is, it would be conceivable that at one
- an overlap is formed between the rotor and the wobble stator of the rotor-stator system. This may be due in particular to the
- Frictional contact causes a physical separation of adjacent feed chambers of the eccentric screw pump, whereby a return flow of the pumped medium can be effectively prevented.
- the wobble pump has a suction side with a in an operating condition
- Wobblepumpe and is transported through the delivery chambers between the wobble and the rotor rotor to the pressure side.
- the stator is pressed by pressure differences between the delivery chambers to the outside; the medium tends to push the stator to the outside in order to be able to flow into a delivery chamber of lower pressure.
- This outward pressure is about the same everywhere on the stator.
- This radially outwardly directed pressure within the delivery chambers causes the elastomeric wobble blower to be forced radially outward.
- the radially outward pressure within the delivery chambers in the sealing areas or in the region of
- a first clearance between the rotor and the wobble is formed and that on the pressure side, a second clearance between the rotor and the wobble is formed.
- the first game on the suction side is greater than the second game on the pressure side.
- the wobble stator becomes in the region of the pressure side pressed less strongly on the rotor than on the suction side.
- Geometry of the rotor and / or the wobble stator is thus chosen such that the bias voltage between the rotor and the wobble on the suction side compared to the pressure side is reduced.
- Cover is provided between the rotor and the wobble stator.
- Outer shell surface of the wobble stator acts and thus essentially exists between the rotor and the wobble stator a game, has such Wobblepumpe no or only a very small breakaway torque, so that such a wobble pump compared to conventionally known
- Wobblepumpen where in idle state an overlap between the rotor and stator is formed, can be operated with a weaker drive.
- an annular space is formed at least partially between the wobble stator and the pump housing on the pressure side, into which the fluid flows. The medium in the annular space thus presses with pressure side pressure on the
- Stators known in which fluid is used to produce a sufficient contact pressure between the stator and rotor during operation.
- a dead space is formed in the feed line of the pumped medium to the stator and around the stator.
- the solid particles Especially with pumped media, the solid particles,
- Impurities or similar contain deposits may occur within these dead spaces, which then block the corresponding components within a relatively short time and / or destroy.
- eccentric screw pumps are described with stators clamped on both sides, which use a pressure transmission medium, wherein the pressure-side conveying medium and the surrounding of the stator
- Pressure transmission medium are separated by a piston or a membrane.
- a displaceable piston can also be blocked and / or destroyed by solids.
- Eccentric screw pump the greater contact forces must prevail between the rotor and stator in order to ensure sufficient tightness of the eccentric screw pump guarantee. At the same time, however, these contact forces should not become too great in order to avoid unnecessary power loss and wear due to friction.
- the pressure in the interior of the two-sided clamped stator and the surrounding pressure of the pressure-side fluid is approximately equal.
- the suction-side region of the stator clamped on both sides there is substantially the suction pressure in the interior of the stator, which results in a very high pressure difference in comparison to the pressure-side fluid.
- Due to the two - sided clamping of the stator in the pressure and suction side area of the stator it is stabilized from both sides and the radial compliance of the stator is limited in this area.
- the course of differential pressure and radial stability of the stator results in a contact pressure. This is very uneven for double-sided clamped stators, resulting in poor efficiency and increased, especially punctual wear.
- the one-sided clamping of the stator takes place at the end, for example, directly via an annular widening formed at the free end of the stator.
- a brim may be formed which serves to fasten the stator to the pump housing. Due to the pressure difference of the wobble pump during operation, a high axial force results on the stator counter to the conveying direction, ie directed away from the drive of the rotor.
- one-sided clamping especially in direct end-side Clamping or end-side clamping with brim arises at the
- the clamping point of the wobble roller is less heavily loaded in the wobble pump according to the invention, since the torque is applied only when a compressive stress is superimposed.
- wobble stators are limited in their speed.
- Wobblestatoren can only be operated at lower speeds, since too high speed strong vibrations that can damage parts of the wobble pump. It has been proven that by playing between rotor and wobbler less vibrations.
- a wobble pump according to the invention can be operated at higher speeds than conventionally known wobble pumps. This advantageous reduction of
- Vibrations result from the lower driving torques due to the play formed between the rotor and the wobbler because the oscillatory system is less strongly excited in the rotational direction.
- variable speed pumps with predetermined power such as
- a wobbler with play to the rotor described here is also that it can be made shorter than a double-sided clamped stator. Since the second clamping point is eliminated, inlet side and pressure port can be accommodated in the same space of the pump housing, in particular, the pressure port can be at least partially performed in the stator. Furthermore, it is advantageous that such a wobble pump can be mounted without effort, since the rotor in contrast to rotor-stator systems with Overlapping, largely frictionless in the internal thread of the wobblestator can be introduced.
- the wobble-type stator can have a spiral-shaped outer contour, which corresponds in particular to the spiral-shaped inner contour.
- a wobbler can be manufactured more cost-effectively, since less material is needed and the vulcanization time is shortened due to the smaller wall thickness, so that the production is faster and thus more stators can be made in a defined period.
- the stability of such a wobbler is more uniform in the circumferential direction.
- a joint for a wobble pump is described which comprises a reinforced elastomer part.
- Various articulated shafts are known for progressing cavity pumps in the form of fiber or wire reinforced plastic or elastomeric bodies. These are used to compensate for the eccentric movement between a fixed stator and a fixed
- Embodiments of joints that for the compensation of the axial offset a large flexible length is required. As a result, there is a tendency of lateral vibrations at higher speeds. These vibrations reduce the
- Support bodies may e.g. a ball, granules, a spiral spring, a cylindrical shaft piece or a resilient elastomer or plastic body may be used. Recommended here is the combination of support body with a lubricant. In addition, a more or less viscous support liquid can be used.
- the joint comprises an at least partially movable
- the reinforcement of the elastomeric or plastic material is formed by fiber integrated reinforcement or wire reinforcement.
- the actual joint body consists of a commercially available hydraulic hose or another suitable hose with an inner reinforcing structure.
- the hose or hydraulic hose consists for example of a flexible material, for example elastomer or the like, which is reinforced with preferably cross-shaped folded reinforcements in one or more layers.
- the reinforcement can consist of steel, plastic fibers as well as textile fibers.
- the middle piece is bounded on both sides by connecting pieces for fastening the rotor and / or the drive shaft.
- a connecting piece is attached to the two free ends of the hose piece.
- the two connecting pieces are preferably designed with holding grooves in the axial direction and / or possibly also in the radial direction.
- the connecting pieces preferably have an n-edged region, wherein n corresponds to the number of jaws on the tube press used later (usually have
- the connecting pieces each comprise a sleeve for holding the respective end of the
- Hose piece The sleeves are compressed using a tube press so that the tube is fixed between the two connectors.
- the n-edged area on the connecting piece is angled with the jaws of the Align the hose press. After pressing creates a safe
- a thin cylindrical portion may also be used.
- Pressing this thin area can then also be brought into the n-edged shape.
- At least two sleeves are pressed simultaneously in a suitable jaw construction.
- a suitable jaw construction can by the n-edged
- n-edged shape on the outside can also as
- Attack surface can be used for tools, for example, when releasable threads are used as a connection to the adjacent parts.
- a sealing and / or adhesive in particular between the free ends of the hose piece and the respective sleeve
- An alternative embodiment may provide for use of commercially available metal inserts for injection molded parts in place of the two fittings or in connection with a fitting. Here may possibly be on the n-edged
- connection between connector and sleeve are dispensed with.
- threaded pins can be used to provide external threads.
- An advantage of using a joint between the rotor and the drive is that the rotor is positioned within the stator in this manner can be that the match between stator and rotor is the same everywhere along the pressure ranges.
- a further embodiment of a wobble pump may provide that the rotor-stator system has an inlet-side end portion in which a seal-free inlet funnel is formed between the stator and the rotor along a funnel length, wherein the helical inner circumferential surface of the stator in a central main portion of the rotor Stator system and in the inlet-side end portion is formed.
- the inlet funnel is designed in such a way as described in the application with the file reference DE 10 2016 009 028, the content of which is hereby incorporated into this application.
- Such an inlet funnel which on the one hand comprises a continuation of the helical inner circumferential surface of the stator and on the other hand is impermeable, achieves advantageous flow effects.
- Eccentric screw pumps with unreinforced elastomer stator wherein the pumping medium surrounding the stator serves as a pressure medium to produce the sealing system between the rotor and stator during ongoing pump operation.
- the stator can also be supported by inserts of a substantially rigid material, wherein the flexible one-sided clamping must be maintained.
- the wobble pump according to the invention can thus be used advantageously as a photovoltaic water pump.
- Energy amount and thus driving force is also dependent on the available amount of light and / or the angle of incidence of solar radiation.
- the position of the sun plays an important role.
- the sun's rays which are still weak in the morning and very oblique on the photovoltaic panels, provide little energy, which in turn leads to a reduced engine torque.
- FIG. 1 shows an eccentric screw pump according to the invention in an idle state.
- FIG. 2 shows an eccentric screw pump according to the invention in one embodiment
- FIG. 3 shows a further illustration of a device according to the invention
- FIG. 4 shows the forces acting on the eccentric screw pump in the operating state.
- FIG. 5 shows a first embodiment of an end-side attachment of the stator of an eccentric screw pump.
- FIG. 6 shows a second embodiment of an end-side attachment of the stator of an eccentric screw pump.
- FIG. 7 shows a perspective view of a first embodiment of a joint.
- FIG. 8 shows a sectional view of the first embodiment of a joint according to FIG. 8.
- FIG. 9 shows a perspective view of an intermediate product during the production of the first embodiment of a joint according to FIG. 7.
- FIG. 10 shows a sectional representation of the intermediate product in the production of the first embodiment of a joint according to FIG. 7.
- FIG. 11 shows a connection piece of a joint according to FIG. 7.
- FIG. 12 shows a perspective view of a second embodiment of a joint.
- FIG. 13 shows a sectional representation of the second embodiment of a joint according to FIG. 12.
- FIG. 14 shows a component of the second embodiment of a joint according to FIG. 12. Identical or equivalent elements of the invention become identical
- FIG. 1 shows a schematic view of an eccentric screw pump 1, in particular a wobble pump 2, in an idle state and FIG. 2 shows the eccentric screw pump 1 in an operating state AZ.
- Eccentric screw pump 1 comprises an elastomeric stator 3 with a
- the stator 3 has a thread more than the rotor 4.
- the rotor 4 is received in the stator 3.
- the rotor 4 and the stator 3 form the rotor-stator system 1 1.
- the rotor-stator system 1 1 is arranged in the pump housing 6, wherein between the pump housing 6 and the outer circumferential surface of the stator 3, an annular space 12 is formed.
- the rotor 4 is (not shown), for example, an electric motor, coupled to the drive shaft 7 of a drive and performs a rotation about the stator longitudinal axis or about the longitudinal axis L of the
- the rotor 4 is coupled via a cardan joint 5 to the drive shaft 7.
- the eccentric motion or eccentricity e between the rotor 4 and stator 3 is compensated by torque transmission.
- the stator 3 is fixed on one side to the pump housing 6 of the eccentric screw pump 1 at the free end 8, which lies opposite the gimbal joint 5, in particular flexibly clamped. This leaves another gimbal Degree of freedom too.
- the axis of the stator essentially describes a conical shape during ongoing production operation.
- the free end 8 of the stator 3 has to fix on the pump housing 6, for example, an annular broadening 9, which is held by clamping on the pump housing 6, for example.
- annular broadening 9 is held by clamping on the pump housing 6, for example.
- Broadening 9 serve as a flange 10, via which the stator 3 with the
- Pump housing 6 connected, for example, screwed, can be.
- stator 3 and the rotor 4 are dimensioned such that in a first rest state RZ according to Figure 1 of the eccentric screw 1 along the at least two sealing contact surfaces 14 between the rotor 4 and the stator 3 at least partially a game 100 or distance
- the rotor 4 has at least partially smaller outer dimensions A (4) than the stator 3 inner dimensions l (3).
- the delivery medium FM passes through an inlet 15 into the eccentric screw pump 1 and is characterized by the migratory movement formed by the movement of the rotor 4 and the mutual contact of stator 3 and rotor 4 at the sealing contact surfaces 14
- the delivery medium FM is discharged via the outlet 16 from the eccentric screw pump 1 and its further use
- the delivery medium FM When pumped medium FM is pumped by the eccentric screw pump 1 (FIG. 2), the delivery medium FM causes a radially outwardly directed pressure on the stator 3 in the delivery spaces FR formed between the rotor 4 and the stator 3, as a result of which the elastically deformable material of the stator 3 moves radially is pressed outside.
- the delivery medium FM causes a radially outwardly directed pressure on the stator 3 in the delivery spaces FR formed between the rotor 4 and the stator 3, as a result of which the elastically deformable material of the stator 3 moves radially is pressed outside.
- eccentric screw pump 1 in the form of a wobble pump 2 is conveyed in the operating state AZ on the already to the pressure side D.
- Pumped medium FM (D) counteracted the pressure of located within the pumping chambers FR conveying medium FM (FR). In particular, this laps around the
- Pressure-side conveying medium FM (D) has the projecting into the pressure side region D stator 3 and presses the stator 3 against the rotor 4th
- the start of the eccentric screw 1 can be done without the disadvantageous large Anfahrtsmoment of wobble pumps with trained in the Ruhr state overlap between the rotor and stator.
- the conveying effect can then be used with a very low value and increased with the increase of the delivered by the eccentric screw pump 1 conveying medium FM (D).
- the pressure exerted on the stator 3 by the delivery medium FM (D) presses it in the region of the at least two sealing contact surfaces 14 against the rotor 4, as a result of which the individual delivery spaces FR are reliably separated from one another spatially.
- Wobblepumpe 2 is in particular that when transferring the
- FIG. 3 shows a further stylized representation of a device according to the invention
- Eccentric screw pump 1 and Figure 4 shows the on the eccentric screw pump. 1 in the operating state AZ acting forces.
- the flexible region 20 of the stator 3 is marked at the free end region 8. Due to the play 100 formed between the rotor 4 and the stator 3 in the quiescent state RZ (see FIG. 1), the rotor-stator system 1 1 has no pretension in the quiescent state RZ.
- the starting torque is approximately zero and the operating torque is also small at small differential pressures between the suction side S and the pressure side D. It increases with increasing flow rate until
- the flexible region 20 of the stator 3 has at higher torque loads due to the increasing differential pressure between the suction side S and the pressure side D a correspondingly higher bias voltage.
- wobble stators 3 can advantageously be used with variable-speed progressing cavity pumps 1 with predetermined power, for example solar-powered wobble pumps 2, in which usually only small differential pressures ⁇ can be overcome at higher rotational speeds.
- Figure 5 shows a first embodiment of an end-side mounting of the stator 3 of an eccentric screw pump 1 and Figure 6 shows a second
- Eccentric screw pump 1 the stator 3 has, at its free end region 8, an annular widening 9, via which the stator 3 is fixed to the pump housing 6.
- stator 3 at its free end portion 8 in the direction of the opposite
- stator 3 can each be largely completely surrounded by the suction-side end region 8 to the pressure-side end region 13 of the conveying medium FM (compare in particular FIG. 2).
- FIG. 7 shows a perspective view of a first embodiment of a gimbal joint 5, 5a and Figure 8 shows a sectional view.
- FIG. 9 shows a perspective view of an intermediate product 5 *, 5a * in the production of the first embodiment of a cardan joint 5, 5a according to FIG. 7, and
- FIG. 10 shows a sectional view.
- FIG. 11 shows a connection piece 60 of a joint 5, 5a according to FIG. 7.
- the joint 5, 5a comprises an internally reinforced elastomer part 50. Tests have shown that 0.5 to 1.5 times the outer diameter dA is sufficient as the free bending length LB, to compensate for a usual in wobble pumps 2 angle offset ⁇ from 1 to 2 °.
- Inner support bodies may e.g. a ball, granules, a spiral spring, a cylindrical shaft piece or a resilient elastomer or plastic body may be used. Recommended here is the combination of support body with a lubricant. In addition, a more or less viscous
- Supporting fluid can be used.
- the elastomeric portion 50 of the hinge 5a is preferably made of a commercially available hydraulic hose or other suitable hose having an internal reinforcing structure.
- the inner reinforcing structure can be formed, for example, by crosswise folded reinforcements in one or more layers.
- the reinforcement can be made of either metallic fibers or wires, plastic fibers and / or textile fibers or similar. be formed.
- a connecting piece 60 is attached at the two free ends of the elastomeric part 50 forming tube piece 51 in each case.
- the two connecting pieces 60 are preferably designed with retaining grooves 62 in the axial direction and / or possibly also in the radial direction and optionally have further retaining means (not shown) for fastening and fixing in and / or at the free end regions of the
- the connecting pieces 60 preferably have an n-edged contact region 63, where n is the number of jaws of the later
- the connecting pieces 60 are each assigned a sleeve 52 for holding the respective end of the hose piece 51 (compare FIGS. 9 and 10).
- the sleeves 52 are compressed by means of a hose press, in particular, the sleeves 53 compressed in this way (see FIGS. 7 and 8) at least in regions have an outer contour which corresponds to the outer contour of the n-angular contact region 63 of the respective connecting piece 60.
- the hose piece 51 is fixed between the two connecting pieces 60.
- the n-edged portion 63 is to be aligned on the connector 60 at an angle with the jaws of the hose press.
- At least two sleeves 52 are simultaneously crimped in a suitable jaw construction.
- a higher torque can be allowed by the n-edged compression between sleeve 52 and connector 60, as for slipping the tube piece 51 a
- Connecting piece 60 also a thin executed cylindrical area can be used. During the pressing process, this thin region can then also be brought into the n-edged form.
- a sealing and / or adhesive in particular between the free ends of the tube piece 51 and the respective sleeve 52, 53 is introduced.
- FIG. 12 shows a perspective view of a second embodiment of a gimbal joint 5, 5b and Figure 13 shows a sectional view.
- FIG. 14 shows a component 65 of the second embodiment of a gimbal 5b according to FIG. 12. This embodiment provides as component 65 a
- the connector 60 is formed as a threaded pin 64 with an internal thread for attachment to the rotor 4 and / or the drive shaft 7 (see Figures 1 and 2).
- threaded pins can be used, the external thread for
- FM (FR) conveying medium located in delivery chambers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017107962.9A DE102017107962B3 (de) | 2017-04-12 | 2017-04-12 | Exzenterschneckenpumpe |
PCT/DE2018/100322 WO2018188694A1 (de) | 2017-04-12 | 2018-04-10 | Exzenterschneckenpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3610154A1 true EP3610154A1 (de) | 2020-02-19 |
EP3610154B1 EP3610154B1 (de) | 2023-01-18 |
Family
ID=62165280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18724439.7A Active EP3610154B1 (de) | 2017-04-12 | 2018-04-10 | Exzenterschneckenpumpe |
Country Status (7)
Country | Link |
---|---|
US (1) | US11236747B2 (de) |
EP (1) | EP3610154B1 (de) |
AU (1) | AU2018253007B2 (de) |
BR (1) | BR112019019152B1 (de) |
DE (1) | DE102017107962B3 (de) |
WO (1) | WO2018188694A1 (de) |
ZA (1) | ZA201906631B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110303306B (zh) * | 2019-07-23 | 2021-05-28 | 江苏技先机械科技有限公司 | 单螺旋金属螺杆泵定子加工方法 |
EP3825552A1 (de) * | 2019-11-22 | 2021-05-26 | Grundfos Holding A/S | Exzenterschneckenpumpe |
DE102020114937A1 (de) | 2020-06-05 | 2021-12-09 | Netzsch Pumpen & Systeme Gmbh | Exzenterschneckenpumpe in modularer bauweise |
CN114151328B (zh) * | 2021-12-31 | 2024-04-30 | 富奥汽车零部件股份有限公司 | 一种缓速装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2733854A (en) * | 1956-02-07 | chang | ||
US2545604A (en) * | 1946-02-01 | 1951-03-20 | Robbins & Myers | Pump |
US2612845A (en) * | 1950-04-29 | 1952-10-07 | Robbins & Myers | Helical gear pump with nonrigid casing |
US2765114A (en) | 1953-06-15 | 1956-10-02 | Robbins & Myers | Cone type compressor |
US2826152A (en) | 1955-08-30 | 1958-03-11 | Robbins & Myers | Helical gear pump with bellows stator |
DE2139949A1 (de) | 1970-08-31 | 1972-03-02 | Environment/One Corp., Schenectady, N.Y. (V.St.A.) | Schraubenpumpe |
DE2158009A1 (de) | 1971-11-23 | 1973-05-24 | Seeberger Kg Maschinen Und Ger | Exzenterschneckenpumpe |
DE2316127A1 (de) | 1973-03-30 | 1974-10-10 | Netzsch Mohnopumpen Gmbh | Exzenterschneckenpumpe |
US4923376A (en) | 1988-03-24 | 1990-05-08 | Wright John L | Moineau pump with rotating closed end outer member and nonrotating hollow inner member |
DE19842754C2 (de) | 1998-09-18 | 2001-04-26 | Seepex Seeberger Gmbh & Co | Exzenterschneckenpumpe |
FR2794498B1 (fr) * | 1999-06-07 | 2001-06-29 | Inst Francais Du Petrole | Pompe a cavites progressantes a stator composite et son procede de fabrication |
US6358027B1 (en) * | 2000-06-23 | 2002-03-19 | Weatherford/Lamb, Inc. | Adjustable fit progressive cavity pump/motor apparatus and method |
US7380608B2 (en) * | 2004-12-14 | 2008-06-03 | Howard Geier | Pumping water from a natural gas well |
PL3112682T3 (pl) * | 2014-05-12 | 2021-12-13 | Hugo Vogelsang Maschinenbau Gmbh | Pompa śrubowa jednowirnikowa z montażem przez pusty wirnik |
DE102016009028A1 (de) | 2016-07-26 | 2018-02-01 | Netzsch Pumpen & Systeme Gmbh | Rotor-Stator-System mit einem Einlauftrichter für eine Exzenterschneckenpumpe |
US10596521B2 (en) * | 2018-03-27 | 2020-03-24 | King Fahd University Of Petroleum And Minerals | Water gap membrane distillation module with a circulating line |
-
2017
- 2017-04-12 DE DE102017107962.9A patent/DE102017107962B3/de active Active
-
2018
- 2018-04-10 WO PCT/DE2018/100322 patent/WO2018188694A1/de unknown
- 2018-04-10 US US16/604,497 patent/US11236747B2/en active Active
- 2018-04-10 BR BR112019019152-6A patent/BR112019019152B1/pt active IP Right Grant
- 2018-04-10 EP EP18724439.7A patent/EP3610154B1/de active Active
- 2018-04-10 AU AU2018253007A patent/AU2018253007B2/en active Active
-
2019
- 2019-10-08 ZA ZA2019/06631A patent/ZA201906631B/en unknown
Also Published As
Publication number | Publication date |
---|---|
US20200056609A1 (en) | 2020-02-20 |
BR112019019152A2 (pt) | 2020-04-14 |
BR112019019152B1 (pt) | 2023-10-31 |
AU2018253007A1 (en) | 2019-10-24 |
ZA201906631B (en) | 2022-05-25 |
US11236747B2 (en) | 2022-02-01 |
WO2018188694A1 (de) | 2018-10-18 |
EP3610154B1 (de) | 2023-01-18 |
DE102017107962B3 (de) | 2018-09-13 |
AU2018253007B2 (en) | 2021-07-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3610154B1 (de) | Exzenterschneckenpumpe | |
DE2720130C3 (de) | Meißeldirektantrieb für Tiefbohrwerkzeuge | |
EP2406497B1 (de) | Hydraulische zahnradmaschine | |
EP1813812B1 (de) | Exzenterschneckenpumpe | |
WO2019002206A1 (de) | Schraubenspindelpumpe, kraftstoffförderaggregat und kraftstofffördereinheit | |
EP3305501A1 (de) | Schnecke zum einsatz in einem extruder und extruder | |
DE19513380C2 (de) | Abdichtung, Lagerung und Antrieb der Rotoren eines trockenlaufenden Schraubenrotorverdichters | |
DE202018107141U1 (de) | Drehkolbenpumpe mit innenliegender Lagerung | |
DE1551144A1 (de) | Schraubenrotormaschine | |
EP0666422B1 (de) | Lagerung und Antrieb der Rotoren eines Schraubenrotorverdichters | |
EP1880108A1 (de) | Innenzahnrad-kraftstoffpump | |
DE10150351A1 (de) | Pumpenelement und Kolbenpumpe zur Kraftstoffhochdruckerzeugung | |
EP1222396A1 (de) | Stator mit stabilem stirnring | |
DE102019107078B4 (de) | 3; Gelenk, Exzenterschneckenpumpe und Verfahren zur Herstellung eines Gelenks | |
EP1736668A2 (de) | Stator für eine Exzenterschneckenpumpe und Verfahren zu seiner Herstellung | |
EP3224478B1 (de) | Drehkolbenpumpe, verfahren zur fixierung von drehkolben einer drehkolbenpumpe und verfahren zur demontage von drehkolben einer drehkolbenpumpe | |
DE102008064456B4 (de) | Servolenkungsvorrichtung | |
DE102013100451B4 (de) | Rotor für Schnecken- und / oder Exzenterschneckenpumpen und Schnecken- oder Exzenterschneckenpumpe | |
DE102020114937A1 (de) | Exzenterschneckenpumpe in modularer bauweise | |
WO2016150414A1 (de) | Dichtlinienoptimierte exzenterschneckenpumpe | |
DE102017100540B4 (de) | Exzenterschneckenpumpe | |
DE102008042233A1 (de) | Exzenterschneckenpumpe sowie mechanisches Koppelelement für die Exzenterschnecke einer Exzenterschneckenpumpe | |
DE202006005682U1 (de) | Schmiermittel- oder Hydraulikpumpe | |
DE102019005367A1 (de) | Verfahren zur Herstellung eines Statorbauteil für eine Exzenterschneckenpumpe | |
DE102019122132B4 (de) | Hubkolbenkompressor oder Hubkolbenpumpe zum Komprimieren und/oder Fördern eines Fluids, Kurbelwelle hierfür, Kurbelzapfen und/oder Spannkegel für eine Kurbelwelle sowie Verfahren zur Herstellung einer Kurbelwelle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
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 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20191112 |
|
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 |
|
DAV | Request for validation of the european patent (deleted) | ||
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: 20210430 |
|
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 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
INTG | Intention to grant announced |
Effective date: 20221114 |
|
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: DE Ref legal event code: R096 Ref document number: 502018011461 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 1544849 Country of ref document: AT Kind code of ref document: T Effective date: 20230215 Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG9D |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20230118 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL 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: 20230118 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20230118 Ref country code: PT 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: 20230518 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: 20230418 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: 20230118 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: 20230118 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: 20230118 Ref country code: ES 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: 20230118 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE 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: 20230118 Ref country code: PL 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: 20230118 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: 20230518 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: 20230419 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: 20230118 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502018011461 Country of ref document: DE |
|
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: 20230118 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: 20230118 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: 20230118 Ref country code: DK 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: 20230118 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: 20230118 |
|
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: 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: 20230118 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
26N | No opposition filed |
Effective date: 20231019 |
|
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: 20230410 |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20230430 |
|
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: 20230118 |
|
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: 20230118 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: 20230118 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20230430 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20230430 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20230430 |
|
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: 20230410 |
|
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: 20230410 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 1544849 Country of ref document: AT Kind code of ref document: T Effective date: 20230410 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20240423 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20240425 Year of fee payment: 7 |
|
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 NON-PAYMENT OF DUE FEES Effective date: 20230410 |
|
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 NON-PAYMENT OF DUE FEES Effective date: 20230410 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20240426 Year of fee payment: 7 Ref country code: FR Payment date: 20240423 Year of fee payment: 7 |