EP3247908A1 - Pump unit having an integrated separator, a vacuum pump, and a conveying pump - Google Patents
Pump unit having an integrated separator, a vacuum pump, and a conveying pumpInfo
- Publication number
- EP3247908A1 EP3247908A1 EP16702494.2A EP16702494A EP3247908A1 EP 3247908 A1 EP3247908 A1 EP 3247908A1 EP 16702494 A EP16702494 A EP 16702494A EP 3247908 A1 EP3247908 A1 EP 3247908A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- separator
- pump
- vacuum
- liquid
- vacuum 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
- 239000007788 liquid Substances 0.000 claims abstract description 57
- 239000012530 fluid Substances 0.000 claims abstract description 49
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims description 13
- 230000005484 gravity Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 30
- 239000012071 phase Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000010354 integration Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 230000007704 transition Effects 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
- F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
- F04C19/001—General arrangements, plants, flowsheets
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/005—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of dissimilar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/168—Pumps specially adapted to produce a vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D31/00—Pumping liquids and elastic fluids at the same time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
- F04D9/041—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock the priming pump having evacuating action
-
- 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
- F04C2220/00—Application
- F04C2220/10—Vacuum
Definitions
- the present invention relates to a pump unit, in particular for a calibration tool of an extrusion plant.
- Extrusion plants for the production of extruded profiles usually have shaping devices with which the extruded from an extrusion die extrusion tool plastic profile strands, such as hollow sections or tubes, calibrated to the desired outer and inner dimensions and in the frozen or desired to achieve the desired intrinsic stiffness cooled to the required temperatures.
- vacuum calibrators with integrated cooling devices are used for this purpose.
- the Vakuumkalibrier worn is designed so that the still plastic extruded profile is sucked by means of the applied vacuum to the molding surfaces of the calibration of the calibration. Cavities may be formed in the form of vacuum slots between the calibration apertures.
- molding surfaces can be used in which cooling channels for a tempering medium, usually water, are recessed.
- cooling devices such as water baths, spray baths and the like can be used to cool the extruded and calibrated profiles.
- a liquid cooling medium such as water
- a fluid mixture which comprises liquid and gaseous media, typically a water-air mixture, usually falls in the calibration tool, which has to be removed and separated.
- a pump unit for a calibration tool of an extrusion plant which comprises a separator having at least one fluid inlet for a fluid mixture comprising liquid and gaseous media, at least one fluid outlet and at least one gas outlet, means for generating a negative pressure in the separator associated with the gas outlet and the fluid inlet communicate, means for sucking the fluid, which communicate with the fluid outlet, and means for determining the level of the fluid in the separator.
- the separator is arranged between the calibration tool and a central vacuum pump.
- the means for determining the level of filling of the fluid in the separator comprise in the known device a float assembly which cooperates via an actuator with a arranged at the mouth of the fluid outlet movable closure body, so that the fluid outlet depending on the height of the water level opened as needed and can be closed. This ensures that only liquid medium is always removed from the separator.
- the first separator is followed by a cyclone separator, which ensures that an almost complete separation of the liquid and gaseous medium takes place, so that suction of the liquid medium into the vacuum pump is avoided.
- the gas chamber of the cyclone separator can serve as a vacuum reservoir, so that a targeted negative pressure build-up in the individual vacuum tanks of the calibration tool is achieved with simultaneous separation of the media in the two separators.
- numerous throttle valves are arranged in the vacuum lines between the cyclone and the calibration.
- this pump assembly has no dedicated separator. From EP 0298949 B1 a similar pump unit is known. All four pumps of the prior art have in common that the centrifugal pump as the main pump for fluid delivery serves and the vacuum pump is provided as an auxiliary unit for removing the escaping gas.
- German Patent Application DE 10 2007 013872 A1 describes a vacuum system for high quantities of additional liquid, in which the main pump is a vacuum pump and a feed pump arranged on the same drive shaft serves to remove liquids which are separated from the gas conveyed by the vacuum pump should.
- both the suction line and the outlet line of the vacuum pump each have two separators which communicate with the suction or outlet lines of the fluid delivery pump.
- the separators integrated in the intake and exhaust ducts such a vacuum system requires a considerable amount of space.
- a pump unit for a calibration of an extrusion plant which comprises a separator comprising a fluid inlet for a fluid mixture of liquid and gaseous media, a liquid outlet and a gas outlet.
- a variable-speed vacuum pump for generating a negative pressure in the separator and a variable-speed delivery pump for sucking the liquid accumulated in the separator are each integrated directly into the separator.
- means for determining the level of the liquid in the separator are provided, which regulate the speed of the feed pump as a function of the level of the liquid in the separator via a control device. That from WO
- the present invention is therefore based on the technical problem of providing an even more compact, simpler and less expensive pump unit for a calibration tool of an extrusion plant, starting from the pump assemblies known from the international patent application WO 2012/072601 and the German patent application DE 10 2007 013872 A1. This technical problem is solved by the pump unit according to the present claim 1.
- Advantageous developments of the invention are subject matter of the dependent claims.
- the present invention accordingly relates to a pump unit with a separator which has at least one fluid inlet for a fluid mixture comprising liquid and gaseous media, at least one fluid outlet and at least one gas outlet, a vacuum pump integrated in the separator for generating a negative pressure in the separator communicates with the fluid inlet and the gas outlet, wherein a pressure port of the vacuum pump forms the gas outlet of the separator, a pump integrated in the separator for sucking the liquid collected in the separator, wherein a pressure port of the feed pump forms the liquid outlet of the separator, wherein the vacuum pump and the feed pump are arranged on a common motor shaft of a drive motor.
- the negative pressure generated in the separator a negative pressure is generated in a calibration tool, which is connected to the fluid inlet of the separator.
- the integration of the vacuum pump in the separator means that the suction opening of the vacuum pump opens into the interior of the separator.
- the integration of the feed pump into the separator means that the suction opening of the feed pump opens into the interior of the separator.
- the fluid mixture sucked by the vacuum pump into the separator is separated in the separator, that is before it reaches the pump chamber of the vacuum pump, into a phase containing predominantly gas and a phase containing predominantly liquid.
- the predominantly gas-containing phase is conveyed by the vacuum pump and the predominantly liquid-containing phase, which collects in the bottom region of the separator, is conveyed by the feed pump.
- the liquid transported away via the feed pump can contain more or fewer gas fractions, depending on the efficiency of the separator.
- the fluid sucked into the separator is separated into a gas portion and a fluid portion with a depleted gas portion as compared to the aspirated fluid. For the sake of simplicity, however, the following will always speak of the separated liquid.
- the pump set according to the invention has only one drive motor, which drives both the vacuum pump and the feed pump.
- the pump unit according to the invention is therefore less expensive to manufacture. bar. Due to the arrangement of both pumps on a common motor shaft also results in a more compact design, since the separator may have a lower overall height.
- both the intake manifold of the vacuum pump and the intake manifold of the feed pump open into the common separator in the pump unit according to the invention, so that a particularly compact pump unit is provided with effective liquid separation.
- the diameter of the suction mouth of the feed pump, which opens into the separator preferably larger by a factor of 2 to 3, more preferably about a factor of 2.5 larger than the diameter of the suction mouth of a conventional feed pump, in particular a conventional centrifugal pump ,
- a "conventional" pump design is understood to mean a design in which the person skilled in the art orients himself to the known Pfleiderer design rules typically used in the pump design, as described in the manual by Carl Pfleiderer, "The Centrifugal Pumps for Liquids and Gases" Springer-Verlag, 1961.
- a conventional centrifugal pump which is intended to achieve, for example, a delivery volume of 6 cubic meters per hour, is designed with a suction orifice with a diameter of 35 mm
- the drive motor is a drive motor with controllable speed, so that can be controlled by changing the speed of the drive motor in the separator prevailing negative pressure and the flow rate of the transported by the pump from the separator liquid.
- the impeller diameter of the vacuum pump and the delivery pump are matched to one another.
- the generated pressure difference is proportional to the square of the peripheral speed, ie to the square of the product of the rotational speed and outer diameter of the impeller.
- the pressure difference is proportional to the product of the speed and the ratio of the outer diameter to the inner diameter of the impeller. Since both pumps are are arranged on a common pump shaft, the speed is the same in both cases.
- the respective impeller diameter can be adjusted accordingly.
- the control of the drive motor is therefore carried out so that a desired negative pressure is achieved in the separator.
- the pump assembly according to the invention therefore particularly preferably comprises a pressure sensor arranged in the separator, which measures the pressure prevailing in the separator.
- the drive motor preferably comprises a control device which regulates the rotational speed of the drive motor as a function of the pressure determined by the pressure sensor.
- a desired value of the desired pressure in the separator is specified and the control of the negative pressure prevailing in the separator by measuring the actual pressure in the separator by the pressure sensor and a corresponding control of the pressure to the desired value by controlling the speed of the drive motor.
- the drive motor is then preferably an electric motor.
- the control device may in this case include a frequency converter with PID controller.
- the controller may also include an integrated or external keypad, to which the speed is adjusted via a frequency converter with PID controller. Since the feed pump is arranged on the same motor shaft as the vacuum pump, the delivery capacity of the feed pump can not be changed by an independent of the speed of the vacuum pump adjustment of the speed.
- the feed pump will be designed so that even at the lowest speed of the drive motor, the resulting liquid can be reliably discharged.
- a centrifugal pump is used as a feed pump, which uses the centrifugal force to convey the liquid.
- the impeller of the feed pump is designed so that the feed pump promotes more liquid, the higher the liquid level in the separator.
- the impeller of the pump of the pump unit according to the invention is preferably designed so that the impeller can promote even with partially covered suction or, at a liquid level in the separator below the suction opening just can rotate freely.
- the pump unit according to the invention no longer requires a fill level sensor, and thus also no second frequency converter and correspondingly complicated cabling. This can be realized further cost savings.
- a fill level sensor can be arranged in the separator, which shuts off the customer aggregate, for example, if the system malfunctions.
- a level sensor for example, an installed in the bottom and / or in the side wall of the separator pressure sensor can be used.
- two pressure sensors are used, wherein the arranged in the upper region of the separator pressure sensor measures the pressure in the gas space of the separator, while arranged in the bottom region of the separator pressure sensor measures the total pressure of pressure in the gas space and the pressure generated by the level of the liquid above the pressure sensor , so that the level above the pressure sensor can be calculated from the differential pressure.
- other devices for measuring the level height can be used, for example, a strip arranged on the inner jacket of the separator with a plurality of conductivity sensors arranged one above the other can detect the transition from the liquid phase to the gas space.
- the vacuum pump used to generate the negative pressure is preferably a liquid ring vacuum pump, which is used in particular for generating a vacuum of less than 800 mbar absolute, or a side channel vacuum pump, which is preferably used to generate a vacuum of more than 800 mbar absolute.
- Suitable separators are any liquid-gas separators known from the prior art. However, gravitational separators or separators which operate on the cyclone principle are preferably used in the pump unit according to the invention.
- the pump unit according to the invention can be used for a multiplicity of applications in which a fluid mixture of gases and liquids has to be separated into a phase essentially containing gases and a phase containing substantially liquids.
- the pump unit according to the invention is particularly preferably suitable for use with calibration tools of an extrusion system.
- the fluid inlet of the separator is preferably connected via a vacuum line to a calibration tool of an extrusion plant.
- Figure 1 is a perspective view of the pump unit according to the invention
- Figure 2 is a side view of the pump unit according to the invention
- FIG. 3 shows a side view, substantially corresponding to FIG. 2, with partial regions in cross section.
- FIG. 1 shows a pump unit designated overall by the reference numeral 10 according to a preferred embodiment of the invention.
- the pump unit 10 comprises a separator 11 which, in the illustrated example, has two fluid inlets 12, 12a for a fluid mixture comprising liquid and gaseous media, at least one fluid outlet 13 and at least one gas outlet 14.
- the fluid inlet 12, 12a can be connected via a (not shown) vacuum line with a (also not shown) calibration tool of a (not shown) extrusion plant.
- a (not shown) vacuum line with a (also not shown) calibration tool of a (not shown) extrusion plant.
- the pump assembly comprises a drive motor 15, which is formed in the illustrated example as an electric motor, which is regulated by a control device 16.
- a control device 16 As can be seen in particular from the cross-sectional illustration of FIG. 3, an impeller 18 of a vacuum pump 19 and an impeller 20 of a liquid feed pump 21 are arranged on a motor shaft 17 of the drive motor 15.
- the vacuum pump 19 has a suction opening 22, which opens into the interior of the separator 11 and thus communicates via the interior of the separator 11 with the fluid inlet 12, 12a of the separator.
- a negative pressure is generated in the separator 11 so that a fluid mixture, for example a gas / water mixture, is sucked from the calibration tool into the separator 11 by the fluid inlet 12, 12a connected to the calibration tool.
- a fluid mixture for example a gas / water mixture
- the separator 1 1 the liquid and gaseous media are largely separated.
- the separated gaseous media are transported via the suction opening 22 and the impeller 18 of the vacuum pump 19 in the compression stage of the vacuum pump 19.
- the vacuum pump 19 is integrated in the separator, so that the pressure outlet of the vacuum pump 19 forms the gas outlet 14 of the separator.
- the liquid medium separated from the fluid mixture collects, which is sucked off via the liquid feed pump 21.
- the feed pump 21 has an axial suction opening 24, which merges into the centrifugal impeller 20 of the feed pump 21.
- the feed pump 21 is also integrated into the housing of the separator 1 1 such that the outlet opening of the pressure stage of the feed pump forms the liquid outlet 13 of the separator 11.
- a vacuum sensor 26 is arranged, which measures the pressure in the separator.
- the vacuum sensor 26 is connected to the control device 16, which controls the speed of the drive motor 15 via a built-in controller 16 frequency converter with PID controller so that the vacuum measured in the separator 1 1 largely corresponds to a predetermined setpoint.
- the control device also includes a (not shown) operating part, via which the desired negative pressure can be set.
- the control panel may be integrated into the control device 16 or communicate as an external control unit wireless or wired with the frequency converter and the PID controller of the control device 16.
- the impeller 20 of the feed pump 21 is designed so that a liquid delivery is possible even if the axial suction port 24 is only partially covered with liquid. If the liquid level in the separator 1 1 even below the lower edge 27 of the suction port 24, the feed pump can also freely rotate freely.
- the feed pump 21 is designed depending on the particular application so that even at the lowest operating speed of the drive motor all typically expected liquid can be removed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015200843.6A DE102015200843A1 (en) | 2015-01-20 | 2015-01-20 | pump unit |
PCT/EP2016/051117 WO2016116494A1 (en) | 2015-01-20 | 2016-01-20 | Pump unit having an integrated separator, a vacuum pump, and a conveying pump |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3247908A1 true EP3247908A1 (en) | 2017-11-29 |
EP3247908B1 EP3247908B1 (en) | 2019-12-25 |
Family
ID=55275060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16702494.2A Active EP3247908B1 (en) | 2015-01-20 | 2016-01-20 | Pumping unit with integrated separator, vacuum pump and liquid pump |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3247908B1 (en) |
DE (1) | DE102015200843A1 (en) |
WO (1) | WO2016116494A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020125805A1 (en) | 2020-10-02 | 2022-04-07 | Frideco Ag | Pump system and method of operating a pump system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB463208A (en) * | 1935-12-02 | 1937-03-24 | Drysdale & Co Ltd | Improved pumping unit |
US2178994A (en) * | 1937-08-27 | 1939-11-07 | Clyde Paper Company Ltd | Centrifugal pump unit |
DE1528895C3 (en) * | 1962-11-20 | 1974-07-11 | Hidekuni Yokota | centrifugal pump |
US4776758A (en) * | 1987-07-06 | 1988-10-11 | Kamyr Ab | Combined fluidizing and vacuum pump |
FI95540C (en) * | 1990-09-25 | 1996-02-26 | Ahlstroem Oy | Method and apparatus for separating gas from liquid containing solid material |
AT408532B (en) | 1996-01-30 | 2001-12-27 | Greiner & Soehne C A | MOLDING DEVICE FOR AN EXTRUSION SYSTEM |
FR2774136B1 (en) * | 1998-01-28 | 2000-02-25 | Inst Francais Du Petrole | SINGLE SHAFT COMPRESSION-PUMP DEVICE ASSOCIATED WITH A SEPARATOR |
AT411223B (en) | 2001-05-09 | 2003-11-25 | Greiner Extrusionstechnik Gmbh | SEPARATOR, IN PARTICULAR TO SEPARATE A MIXTURE, SUPPLY DEVICE WITH A SEPARATOR AND METHOD FOR OPERATING THIS SUPPLY DEVICE |
DE102006016199A1 (en) * | 2006-04-06 | 2007-10-11 | Alfa Laval Kolding A/S | Self-venting centrifugal pump |
DE102007013872A1 (en) * | 2007-03-20 | 2008-09-25 | Gardner Denver Deutschland Gmbh | Vacuum system for high additional liquid quantities |
DE102009030161A1 (en) * | 2009-06-24 | 2011-02-10 | Schröder Maschinenbau KG | Recirculation system for food-compatible liquids |
DE202010015978U1 (en) | 2010-11-29 | 2012-03-01 | Speck Pumpen Walter Speck Gmbh & Co. Kg | Pump unit for a calibration tool of an extrusion line |
-
2015
- 2015-01-20 DE DE102015200843.6A patent/DE102015200843A1/en not_active Withdrawn
-
2016
- 2016-01-20 EP EP16702494.2A patent/EP3247908B1/en active Active
- 2016-01-20 WO PCT/EP2016/051117 patent/WO2016116494A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
DE102015200843A1 (en) | 2016-07-21 |
EP3247908B1 (en) | 2019-12-25 |
WO2016116494A1 (en) | 2016-07-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3298241B1 (en) | Oil-lubricated slide vane rotary vacuum pump with oil separating and reconditioning device | |
DE102007005313A1 (en) | Coating powder conveying device | |
DE102005043434A1 (en) | Device for adjusting the capacity of a liquid ring pump | |
EP3482078B1 (en) | Oil-lubricated rotary vane vacuum pump | |
EP2508811B1 (en) | Device for calculating the volume flow transported by a ventilator | |
WO1997027991A1 (en) | Extruder with a shaping device | |
WO2015075103A1 (en) | Diagonal or axial fan comprising a cooled drive unit | |
WO2015055549A1 (en) | Device and method for cooling profiled plastic sections | |
EP3247908A1 (en) | Pump unit having an integrated separator, a vacuum pump, and a conveying pump | |
WO2007115789A1 (en) | Compressor assembly comprising a valve unit in the intake region | |
EP2646127B1 (en) | Pump apparatus for a calibration tool of an extrusion plant | |
WO2008125155A1 (en) | Vacuum pump | |
EP2867533A1 (en) | Method and pump arrangement for evacuating a chamber | |
DE102010064412B4 (en) | A method of maintaining the heat flow delivered by an extrudate to a fluid | |
DE102014223320A1 (en) | Oil separating device | |
WO2017186712A1 (en) | Hydraulic spindle for a press | |
EP3706821A1 (en) | Method and device for degassing liquids | |
EP2588293A1 (en) | Device for generating a hollow plastic profile | |
EP2700822B1 (en) | Radial fan casing with pressure tapping duct integrated in the fan inlet | |
DE102004061258A1 (en) | Vacuum blow molding process for producing three-dimensional extruded tubular bodies, vacuum blow molding equipment for carrying out the process and vacuum blow molding machine equipped with the equipment | |
DE202005005644U1 (en) | Wendel cooler | |
EP2595788A1 (en) | Non-return valve for calibration tanks | |
DE102012213217A1 (en) | Measuring device of measuring block for measuring flow volume of lubricant to lubrication fitting used in e.g. paper manufacturing machine, has external gear wheels, stator and rotor whose axles are parallel to width of module housing | |
DE3721138A1 (en) | Vacuum pump on motor vehicle engines as servopump | |
DE3627642A1 (en) | VACUUM PUMP WITH THREADED CHANNEL |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: 20170608 |
|
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) | ||
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: 20190802 |
|
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: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 1217418 Country of ref document: AT Kind code of ref document: T Effective date: 20200115 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502016008130 Country of ref document: DE |
|
REG | Reference to a national code |
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: NL Ref legal event code: MP Effective date: 20191225 |
|
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: 20200326 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: 20200325 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: 20200325 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: 20191225 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: 20191225 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: 20191225 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: 20191225 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
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: 20191225 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: 20191225 |
|
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: 20191225 |
|
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: 20191225 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: 20191225 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: 20191225 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: 20191225 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: 20200520 |
|
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: 20191225 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: 20200425 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: 20191225 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502016008130 Country of ref document: DE |
|
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: 20191225 |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20200131 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20191225 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: 20191225 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200120 |
|
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: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200131 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: 20191225 |
|
26N | No opposition filed |
Effective date: 20200928 |
|
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: 20200120 Ref country code: IT 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: 20191225 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20191225 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR 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: 20191225 Ref country code: MT 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: 20191225 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: 20191225 |
|
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: 20191225 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20230130 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 20240118 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20240124 Year of fee payment: 9 Ref country code: GB Payment date: 20240124 Year of fee payment: 9 Ref country code: CH Payment date: 20240202 Year of fee payment: 9 |