EP3055567A1 - Drehkolbenpumpe aus kunststoff - Google Patents
Drehkolbenpumpe aus kunststoffInfo
- Publication number
- EP3055567A1 EP3055567A1 EP14772357.1A EP14772357A EP3055567A1 EP 3055567 A1 EP3055567 A1 EP 3055567A1 EP 14772357 A EP14772357 A EP 14772357A EP 3055567 A1 EP3055567 A1 EP 3055567A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- pump housing
- rotor shaft
- rotor blade
- 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
- 239000004033 plastic Substances 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000007373 indentation Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 description 11
- 238000007790 scraping Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 235000013305 food Nutrition 0.000 description 4
- 235000021056 liquid food Nutrition 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 235000015067 sauces Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 244000144725 Amygdalus communis Species 0.000 description 2
- 244000056139 Brassica cretica Species 0.000 description 2
- 235000003351 Brassica cretica Nutrition 0.000 description 2
- 235000003343 Brassica rupestris Nutrition 0.000 description 2
- 235000020224 almond Nutrition 0.000 description 2
- QKSKPIVNLNLAAV-UHFFFAOYSA-N bis(2-chloroethyl) sulfide Chemical compound ClCCSCCCl QKSKPIVNLNLAAV-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000010460 mustard Nutrition 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 210000002105 tongue Anatomy 0.000 description 2
- 235000011437 Amygdalus communis Nutrition 0.000 description 1
- 235000009499 Vanilla fragrans Nutrition 0.000 description 1
- 244000263375 Vanilla tahitensis Species 0.000 description 1
- 235000012036 Vanilla tahitensis Nutrition 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000013410 fast food Nutrition 0.000 description 1
- 235000015220 hamburgers Nutrition 0.000 description 1
- 210000004283 incisor Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000008960 ketchup Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding 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
- 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
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/084—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
- F04B13/02—Pumps specially modified to deliver fixed or variable measured quantities of two or more fluids at the same time
-
- 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
-
- 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
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/126—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
-
- 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
- F04C2240/20—Rotors
Definitions
- the present invention relates to a rotary pump or metering pump made of plastic with two via gears coupled to each other, rotatably driven rotors, which are mounted in a pump housing, which is provided with intake and outlet, each rotor having a rotor shaft whose rotor shaft ends in the walls store the pump housing.
- Metering pumps are known in all sizes and types. As metering pumps made of plastic hand-operated piston pumps are known in particular, as they are known on soap dispensers for liquid soaps or as here of particular interest in the hospitality industry, where, for example, in fast food companies mustard, ketchup or creamer delivered with such hand-operated piston pumps metered. Despite these metering pumps, however, the quantity delivered varies relatively greatly, since in the case of the metering pumps, in particular those as described here, the stroke should actually be fully utilized with each actuation, but this is usually not the case. Instead, often one, two or three Kurzhube be carried out and varies accordingly, the amount very strong. As long as this amount is given as an addition to a hamburger, this plays only a minor role. However, where such metering pumps are also used to add a special amount of a liquid food to a recipe, the taste is varied by improper operation, which is not always appreciated by customers.
- the plastic metering pump of interest here should be designed in particular for foods that are dispensed in so-called tubular bags or other soft packaging made of plastic films.
- liquid foods also contain larger amounts of solids.
- Typical examples of such liquid foods are, for example, sauce tartare, mustard sauces with pickles, vanilla sauce with chocolate or almonds, etc.
- gear pumps such as those shown for example in FR-2313971, this can hardly be realized.
- dosing pumps are suitable for such dosing pumps, in particular in which the rotors have two or more rolling elements.
- Another rotary lobe pump is known from EP-1 892 417. However, this is designed as an insert for an outer metallic housing, but is created for one-way use and has a plastic housing.
- the gear transmission with which the correct relative position of the two rotors is ensured, is part of a arranged outside of the actual pump gear and not part of the intended for disposable parts.
- the intermeshing rotors have part-cylindrical rotor blade shoes and concave indentations, but the latter are not shaped in such a way that the rotary piston pump is particularly suitable for products with solids content.
- the comparatively narrow radii of the concave recesses allow it to occur in these areas deposits that remain in the pump and possibly spoil quickly in the case of food by contact with the outside air.
- Sealing components in the form of lip seals for the rotor shafts are present as separate elements to be inserted. Because of the design of this rotary lobe pump as an insert in a rigid metal housing and because of the rotors penetrating drive shafts which also serve the purpose of keeping the housing parts sealing together, here focus the sealing measures as well as specifically on this area.
- an improved metering pump which has a relatively high flow rate and is particularly suitable for conveying solid-liquid mixtures, without having the disadvantages described above.
- the solution essentially comprises that in a generic rotary piston pump with two identical rotors, a number of seals are integrally or integrally formed on the respective rotor.
- the number of gaskets integrally formed on the respective rotor preferably includes at least lateral sealing lips on the rotor blade walls, sealing scraping edges on the outer surfaces of the rotor blade shoes, and longitudinal scraping ribs on the rotor shafts.
- the integral arrangement of the seals on the respective rotor has the advantage that the rotary lobe pumps for single use of plastic can be produced very cost-effectively and from very few individual parts.
- each rotor blade shoe has on the outside of the part-cylindrical wall at least one sealing scraping edge running parallel to the rotor axis.
- a sealing scraping edge can be arranged close to the front edge in the direction of rotation of the respective part-cylindrical wall of the rotor blade shoe.
- it can, as shown in the embodiment described below, also be arranged centrally. Sealing edges ensure that no deposits can build up on the housing wall.
- a preferred use of the metering pump according to the invention mounted on a tubular bag. shows a perspective view of the metering pump with the attachment piece, wherein the detachable pump housing wall has been removed. again shows the metering pump in a side view, again with omission of the detachable pump housing wall, while Fig. 4, the two rotors are shown by themselves in correct relative position to each other in a perspective view. is a partial perspective view of the pump housing in itself and the detachable pump housing wall in perspective view looking at the inside.
- FIG. 1 a preferred application of the metering pump according to the invention, which is denoted overall by 1, is shown symbolically on a tubular bag 2.
- the metering pump 1 is held on the tubular bag 2 by means of a fastening sleeve 3 which is provided with a flange 4 on the tubular bag 2.
- the connection of the flange 4 with the tubular bag 2 is preferably carried out by ultrasonic welding.
- the metering pump itself has a pump housing 5 with an intake manifold 6 and an outlet 7.
- the intake manifold 6 is screw-connected to the Attachment 3.
- the metering pump itself is shown here with a view to a fixed end wall 8 of the pump housing 5, in which case a rotor shaft end 15 provided with a drive coupling part 16 protrudes through said fixed end wall 8 and recognizes the drive coupling part 16.
- the drive coupling part serves to be positively connected to a drive means, not shown here.
- Fig. 2 the metering pump 1 is shown with the attachment piece alone.
- opening means 17 which are formed here as perforating and incisors and in this position are still completely within the intake manifold 6 before the first use.
- said opening means 17 Prior to initial use, you will screw the pump housing 5 with its intake 6 in the attachment piece 3 to a stop, said opening means 17 an aseptically closed container, preferably a tubular bag made of plastic film, cut open.
- the outlet port 7 is provided with a closure cap 18, which ensures that during transport and storage no foreign matter or foreign particles can get into the metering pump.
- the pump housing 5 is shown open. While one looks in Fig. 1 as already mentioned on the fixed end wall 8 of the pump housing 5, here the metering pump 1 is shown rotated by 180 ° and you look at that side of the metering pump 1 with a detachable end wall 9. This detachable end wall 9 is shown laterally offset or dissolved.
- the detachable end wall 9 can also be referred to as a pump housing cover.
- the outwardly closed bearing bushes 19 are held stabilized with stiffening ribs 20 on the outside of the detachable end wall 9.
- Fig. 1 the pump housing cover 5 is shown open. While one looks in Fig. 1 as already mentioned on the fixed end wall 8 of the pump housing 5, here the metering pump 1 is shown rotated by 180 ° and you look at that side of the metering pump 1 with
- each rotor is provided with a rotor shaft 12, wherein one looks here on the rotor shaft ends 15, and wherein on the rotor shafts 12 each two diametrically opposed rotor blade walls 13 are formed.
- each rotor blade has a part-cylindrical shape, which is adapted to the cylindrical part of the pump housing 5 in the curvature. As can be seen here, each rotor blade 14 constantly abuts either on the inside of the pump housing or on the rotor shaft 12 of the adjacent rotor.
- the rotor blade shoes have a part-cylindrical outer surface 21.
- the radius of curvature of this outer surface corresponds to the distance between an axis which passes through the rotor shaft 12 extending centrally in the longitudinal direction and the outer surface 21 of Rotor Wing shoes.
- the outwardly widening rotor wing walls 13 form concave recesses 38, wherein the shape or the curve of the concave recesses is chosen and optimized so that in a pumping as little or no product residues remain in the concave recesses.
- the inventive metering pump is preferably designed so that the pump seals the connection between the intake manifold 6 and outlet 7.
- the pump or its rotors 10 and the pump housing 5 on a plurality of different sealing elements.
- these sealing elements also purify and prevent deposits in the pump housing, which can lead to a reduction in quality and leaks and, in the worst case, blockages of the pump.
- the rotor blade shoes 14 have at least one sealing scraping edge 23 on the outer surface 21.
- This can, as shown in FIG. 4, be arranged centrally, or it can for example be arranged near a leading edge in the direction of rotation 22.
- This sealing edge 23 has substantially the shape of a bead which runs parallel to the rotor shaft 12 on the aforementioned outer surface 21.
- the Dichtschabkante 23 serves on the one hand, between the inner cylindrical wall of the pump housing 5 and the rotor 10 to form a seal, but at the same time this Dichtschabkante 23 should avoid by its scraping effect, the formation of deposits.
- Each rotor blade shoe 14 may also be provided with two sealing scraping edges 23, both near the leading end edge 22 and near the trailing end edge 22.
- both rotors 10 are made absolutely identical so as to require only one injection mold. This also has the advantage that with the same design of the two rotors also during assembly no source of error arises.
- the Dichtschabkante 23 preferably has a cross-sectionally approximately triangular shape, but other shapes are also possible. 4 that the rotor blade walls 13 have end faces 26. On the end faces 26, which come to lie in the installed state of the rotors in the pump housing 5 to the detachable end wall 25 and the pump housing cover, are centrally extending from the rotor shaft ends 15 to the outer surface 21 of the rotor blade 14 extending a respective sealing lip 27. On the opposite end, which is not visible here, the gears 11 are connected to these end faces in one piece. Here you will attach such sealing lips on the corresponding end face portions extending only from the corresponding gear to the outer surface 21 of the rotor blade shoes.
- Leksabstreifrippen 28 are also mounted on the rotor shaft. These Leksabstreifrippen 28 extend parallel to the axis of the rotor shaft. In principle, it is sufficient to attach a Leksabstreifrippe 28 on each rotor shaft, but preferably two such Leksabstreifrippen are each mounted on the same page., These Lekssabstreifrippen 28 not only act sealing, but also clean the Rotorhoffl Mo 14, on the outside of 21 of possibly itself there forming deposits. These constructive features practically a self-cleaning metering pump is formed.
- Fig. 5 the pump housing 5 is shown by itself.
- the intake manifold 6 and the outlet 7 are only partially visible.
- the pump housing cover, or the detachable end wall 9 of the pump housing is removed.
- second bearing sleeves 29, 30 are formed, wherein the second bearing sleeve 29 is designed to be closed, and the other second bearing sleeve 30 is continuously open to the outside.
- a circumferential sealing lip 31 is preferably formed with a lesser height.
- the rotors 10 thus have on their rotor shafts 12 on both sides rotor shaft ends 15, which are designed as rotor shaft pin 35.
- the rotor shaft pin 35 on the side of the pump housing cover 9 have a smaller diameter, while the rotor shaft ends on the other side have a much larger diameter.
- both rotors also have a so-called drive coupling part 16 at that rotor shaft end with the larger diameter, which has already been described with reference to FIG. While the open bearing sleeve 30 is arranged on the left in FIG. 1 and thus the drive coupling part 16 is recognized there, the closed bearing sleeve 29 is shown on the right in FIG. In Fig.
- the detachable end wall 9 or the pump housing cover 9 is shown by itself. It can be seen on the peripheral edge of a plurality of spring tongues 32, which hook on the outside of the pump housing 5 in the closed state of the pump housing cover on the latching means 33 with corresponding cam 34.
- bearings are molded in the detachable end wall. However, these are referred to here as closed bearing bushes 19. Since these bushings 19 are closed, no additional sealing means are required here.
- the diameter of these closed bearing bushes 19 is substantially smaller than the diameter of the two bearing sleeves 29 and 30. In these closed bearing bushes 19 engage the rotor shaft ends 15, the as mentioned, are also designed as rotor shaft pin 35, as shown most clearly in Fig. 4.
- the rotary piston pump described here has due to the integral arrangement of the seals on the rotors particularly good sealing properties. A further contribution to the good tightness properties, however, also results from the special shape of the rotors, or the curve of the concave recesses on the rotors, which are so pronounced or
- the rotor wing walls (13) with the rotor wing shoes (14) have the aforementioned concave indentations (38) at their peripheral ends, whose shape or curve is so pronounced or optimized that a quasi -permanent mutual contact of the end edges (22) with the surface of the concave recesses (38) takes place and consequently remain as little or no product residues in the concave recesses in a pumping operation. Any product residues in the concave recesses are continuously removed by the end edges (22) of the rotor blade shoes.
- the term 'quasi-permanent' is used here in a meaning that is intended to make it clear that the described state does not always occur permanently but regularly recurring.
- Residue reduction in the concave recesses can namely be found that in the intermediate region between the two rotors in operation in a quasi-permanent manner partial chambers are formed. These sub-chambers, which regularly recur in the pump operation but do not permanently exist, arise for the following reasons:
- Tubular bag containing ingredient can be reduced.
- the size of the solid particles plays virtually no role, they must of course be in size so that it is less than the distance between the two rotor shafts. But whether the solid particles are coarse-grained or fine-grained and thus more or less prone to deposits does not matter.
- the solid parts are not ground, and on the other hand, their deposits on the pump housing and on the rotor wing shoes or on the rotor shafts are continuously removed by the means described above. This ensures that the metering pump, which serves as a disposable metering pump, always works reliably for the required service life.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201310220242 DE102013220242A1 (de) | 2013-10-08 | 2013-10-08 | Drehkolbenpumpe aus Kunststoff |
PCT/EP2014/070445 WO2015052004A1 (de) | 2013-10-08 | 2014-09-25 | Drehkolbenpumpe aus kunststoff |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3055567A1 true EP3055567A1 (de) | 2016-08-17 |
EP3055567B1 EP3055567B1 (de) | 2017-06-07 |
Family
ID=51619188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14772357.1A Active EP3055567B1 (de) | 2013-10-08 | 2014-09-25 | Drehkolbenpumpe aus kunststoff |
Country Status (6)
Country | Link |
---|---|
US (1) | US10823168B2 (de) |
EP (1) | EP3055567B1 (de) |
CN (1) | CN105612347B (de) |
DE (1) | DE102013220242A1 (de) |
ES (1) | ES2639730T3 (de) |
WO (1) | WO2015052004A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106795810A (zh) * | 2015-07-28 | 2017-05-31 | 刘正锋 | 旋转式发动机 |
CN106194762B (zh) * | 2016-09-27 | 2018-12-25 | 天津海辰华环保科技股份有限公司 | 旋转钢管泥浆泵 |
CN107521863A (zh) * | 2017-09-07 | 2017-12-29 | 厦门世博创科技有限公司 | 一种新型的具有加热功能的液体或半液体食物分配器 |
CN107963605A (zh) * | 2017-09-07 | 2018-04-27 | 厦门世博创科技有限公司 | 液体或半液体食物分配器 |
CN112937946B (zh) * | 2021-02-04 | 2022-06-21 | 河北嵘盛机械设备制造有限公司 | 一种灌装机 |
CN114263027B (zh) * | 2021-12-16 | 2024-01-05 | 无锡小天鹅电器有限公司 | 投放装置、投放组件及洗涤设备 |
ES2956851A1 (es) * | 2022-05-24 | 2023-12-29 | Alarcon Antonio Canizares | Bomba de impulsion de masa viscosa con elementos solidos en suspension |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3054417A (en) | 1956-05-07 | 1962-09-18 | Corvisier Louis Rene | Apparatus for mixing liquids in a constant proportion |
DE2526215A1 (de) | 1975-06-12 | 1976-12-30 | Elastogran Gmbh | Misch- und dosiervorrichtung fuer mehrkomponentenkunststoffe, insbesondere polyurethan |
GB2133473B (en) * | 1983-01-10 | 1987-07-08 | George Anthony Fairbairn | Rotary positive displacement |
US5180299A (en) * | 1992-04-27 | 1993-01-19 | Feuling Engineering, Inc. | Roots type supercharger |
US5558116A (en) | 1994-03-07 | 1996-09-24 | Createchnic Ag | Metering cap |
GB2440944B (en) * | 2006-08-11 | 2011-10-12 | Itt Mfg Enterprises Inc | Rotary lobe pump |
DE102012205568A1 (de) | 2012-04-04 | 2013-10-10 | Robert Bosch Gmbh | Dosierpumpe aus Kunststoff |
-
2013
- 2013-10-08 DE DE201310220242 patent/DE102013220242A1/de not_active Withdrawn
-
2014
- 2014-09-25 US US15/027,991 patent/US10823168B2/en active Active
- 2014-09-25 WO PCT/EP2014/070445 patent/WO2015052004A1/de active Application Filing
- 2014-09-25 CN CN201480055275.3A patent/CN105612347B/zh active Active
- 2014-09-25 EP EP14772357.1A patent/EP3055567B1/de active Active
- 2014-09-25 ES ES14772357.1T patent/ES2639730T3/es active Active
Also Published As
Publication number | Publication date |
---|---|
EP3055567B1 (de) | 2017-06-07 |
CN105612347A (zh) | 2016-05-25 |
ES2639730T3 (es) | 2017-10-30 |
US10823168B2 (en) | 2020-11-03 |
US20160245281A1 (en) | 2016-08-25 |
CN105612347B (zh) | 2018-02-06 |
DE102013220242A1 (de) | 2015-04-23 |
WO2015052004A1 (de) | 2015-04-16 |
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