EP2761179B1 - Method of discharging fluids - Google Patents
Method of discharging fluids Download PDFInfo
- Publication number
- EP2761179B1 EP2761179B1 EP12713671.1A EP12713671A EP2761179B1 EP 2761179 B1 EP2761179 B1 EP 2761179B1 EP 12713671 A EP12713671 A EP 12713671A EP 2761179 B1 EP2761179 B1 EP 2761179B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- fluid
- pump
- axial
- stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012530 fluid Substances 0.000 title claims description 100
- 238000000034 method Methods 0.000 title claims description 25
- 238000007599 discharging Methods 0.000 title 1
- 239000007921 spray Substances 0.000 claims description 65
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000000845 anti-microbial effect Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 6
- 239000000341 volatile oil Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 239000004480 active ingredient Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 41
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- 108090000790 Enzymes Proteins 0.000 description 12
- 229940088598 enzyme Drugs 0.000 description 12
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- 239000002304 perfume Substances 0.000 description 9
- 239000003205 fragrance Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000004599 antimicrobial Substances 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 239000007844 bleaching agent Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
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- 125000000217 alkyl group Chemical group 0.000 description 3
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- 239000004863 Frankincense Substances 0.000 description 2
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- IGODOXYLBBXFDW-UHFFFAOYSA-N alpha-Terpinyl acetate Chemical compound CC(=O)OC(C)(C)C1CCC(C)=CC1 IGODOXYLBBXFDW-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/021—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements with means for regulating the jet relative to the horizontal angular position of the nozzle, e.g. for spraying non circular areas by changing the elevation of the nozzle or by varying the nozzle flow-rate
-
- 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
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/006—Micropumps
-
- 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
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/04—Piston machines or pumps characterised by having positively-driven valving in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports
- F04B7/06—Piston machines or pumps characterised by having positively-driven valving in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports the pistons and cylinders being relatively reciprocated and rotated
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
- A47L15/4282—Arrangements to change or modify spray pattern or direction
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
- A47L15/4418—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of liquids
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/005—Devices adding disinfecting or deodorising agents to the bowl
Definitions
- the present invention relates to a method for dispensing fluids, in particular liquids, in the form of a spray.
- liquids must be sprayed, with the desired spray configuration depending on the application and parameters such as flow rate and amount of liquid to be dispensed, droplet size, fluid jet diameter, fluid outflow velocity, and spatial distribution May include liquid.
- the spray configuration depends, inter alia, on the nozzle geometry, which is static in conventional systems and sometimes has an adjustable gap or settable exit shape to vary the spray configuration.
- Conventional dispensing systems do not provide a good, precisely controlled, wide spatial distribution of fluid, especially at fine dosing.
- a method is disclosed with a fluid delivery system having a pump and a dispensing spray head having at least one nozzle through which fluid to be dispensed exits.
- the pump includes a stator and a rotor mounted in a chamber of the stator and rotatable relative to the stator about an axis of rotation and axially displaceable along that axis, the axial displacement of the rotor being configured in a first axial direction, in that it causes a pump filling operation in which the fluid is drawn into the stator chamber via an inlet and is configured in an opposite second axial direction so as to effect an output operation which expels the fluid in the chamber from an outlet of the pump.
- the outlet of the pump is disposed in the rotor and the dispensing spray head is in fluid communication with the outlet of the pump and is located at or near an axial outlet end of the rotor, wherein the dispensing spray head is configured to at least partially direct the fluid in a radial direction and outputs the rotation axis surrounding.
- Fluids to be dispensed may be liquids, gases, mixtures of gas and liquid, gels and other flowable substances.
- the fluid dispensing system according to the embodiments of the invention is particularly well suited for spraying liquids.
- the rotor has first and second axial projections of different diameters, which are mounted in respective first and second chamber sections of the stator chamber, and first and second seals, which are mounted in the stator housing and surround the first and the second axial rotor projections, wherein the rotor lobes have fluid supply channels, which in conjunction with the respective sealing rings serve as valves which open and close a connection between the inlet of the pump and the chamber sections or the chamber sections and the outlet of the pump in dependence on the angular displacement of the pump rotor.
- the outlet of the pump is arranged in the second axial rotor attachment and the second axial rotor attachment has a diameter which is smaller than the diameter of the first axial rotor attachment.
- the outlet of the pump can advantageously exit from the axial outlet end of the rotor.
- the dispensing spray head is immovably attached to or extends from the axial exit end of the rotor and rotates with the rotor.
- the dispensing spray head may be in the form of a separate component attached to the axial exit end of the rotor, and it is also possible to form a spray head in one piece with the rotor as a single component.
- the dispensing spray head may have a diameter that is greater than the diameter of the axial exit end of the rotor, or may have a diameter that is equal to or less than the diameter of the axial exit end of the rotor.
- the plurality of nozzles may each be oriented at the same angle with respect to the radial direction, or may be oriented at two or more different angles.
- the axial rotor exit end extends outside of the stator.
- the dispensing system may include a dispensing spray head fixedly and permanently attached to an end wall of a housing of the stator adjacent the exit end of the rotor disposed within the housing.
- the dispensing spray head may include a flexible cap having a peripheral lip biased relative to the end wall of the stator housing and slidable and / or deformable under fluid pressure to define a spray nozzle, such as an annular spray nozzle, with the end wall of the stator housing.
- the rotor and the stator may advantageously have complementary cam mechanisms which cause the axial displacement of the rotor in both opposite axial directions in response to angular displacement of the rotor.
- an output system 2 comprises an output pump 4 and an output spray head 16, 26, 36, 46, 56 mounted on an outlet of the pump.
- the pump has an inlet 8 in communication with the interior of a container (not shown) having a fluid to be dispensed or connected to a pipe or other conduit which in turn communicates with a source or port for fluid to be dispensed, for example Liquid, connected.
- the dispensing pump 4 may advantageously have a configuration and pumping operation similar to the pump used in the US Pat WO 2007/074363 with the exception of the differences described here.
- This document shows a pump with which can be pumped in both directions, but which relates to medical applications and is thus generic.
- the pump 4 has a stator 14 and a rotor 12 rotatably mounted in the stator.
- the stator 14 includes a housing 34 and a sealing valve system 20 defining a chamber 18a, 18b, hereinafter referred to as a pump chamber, within whose first and second axial rotor lugs 17a, 17b are mounted.
- the valve sealing system 20 includes first and second seals 20a, 20b mounted in the stator housing 14 and defining sealing rings sealingly surrounding the first and second axial rotor lugs 17a and 17b, respectively.
- Fluid supply channels 22a, 22b are provided in the first and second axial rotor lobes.
- the first axial rotor lug 17a is of a generally cylindrical shape having a diameter D1 greater than the diameter D2 of the second axial lug 18, which is also of a generally cylindrical shape.
- the axial lobes with the fluid supply channels 20a, 20b cooperate with the respective first and second seals to form first and second valves which open and close the fluid communication via the respective seal in response to the angular and axial displacement of the rotor.
- the second fluid supply passage 20b in the second axial rotor lobe 17b of smaller diameter than the first axial rotor lug 17a also forms the outlet 10 of the pump 4 and leads into the delivery head 16, 26, 46, 56.
- the second fluid supply passageway a channel recessed in the rotor and extending from the outlet 10 to an opening 40 on the surface of the second axial extension 17b.
- the orifice 40 is configured to pass the second seal 20b as the rotor rotates to enter the pump chamber 18b during the portion of the fluid dispensing cycle and exit the chamber 18b during the portion of the pump chamber fill cycle to close.
- the recessed exhaust passage 10 may extend to an axial end of the rotor, as illustrated in the various embodiments shown, or may exit the rotor radially before reaching the axial end of the rotor.
- the first fluid supply channel 20a may be in the form of a groove or an open channel in the surface of the rotor or may be recessed below the rotor surface, with openings leading to the rotor surface being excluded.
- the second axial rotor lug 17b extends through the main body portion 34 of the stator outside of the stator so as to be accessible from outside the stator.
- the second axial rotor extension may be contained within the stator housing, ie, it does not extend beyond the stator housing, and the discharge head communicating with the pump outlet 10 is at least partially disposed outside the stator housing.
- the dispensing head may extend into the stator housing to be secured to the second axial rotor extension.
- the dispensing spray head 16, 26, 36, 46 is advantageously mounted on the outlet end 19 of the rotor and thus rotates together with the rotor.
- the dispensing spray head has one or more nozzles 32 that are at least partially directed radially outward and configured to spray the fluid radially outward about the axis of rotation Ar .
- Each nozzle may be directed at any chosen angle ⁇ with respect to a plane orthogonal to the axis Ar , from -90 ° to + 90 °, preferably in the range of -80 ° to + 80 °, depending on the desired distribution of the spray from a narrow forward cone (in direction A1 ) via a radially ejected spray in direction ( R ), to a backward spray (in direction A2 ).
- the nozzles may be oriented at an equal angle with respect to the axis Ar , or at different angles, to produce different spray cones. A wide range of fluid spray configurations can thus be created.
- the combined action of the spray nozzles in operation may be configured to cover one or more spray cones up to 360 ° about the axis Ar , or partial spray cones, for example less than 180 ° around the axis, for example 90 ° or less per nozzle , to create.
- the fluid dispensing system according to the invention can thus produce a spray geometry, both also of a desired Verteilwinkels about the axis Ar combines the choice of an exit angle ⁇ with respect to the radial direction R than that may be less than 180 °, and even less than 90 ° , depending on the pump seal and the configuration of the fluid channel, which determines the angle of rotation ⁇ , in which the pump discharges liquid.
- the nozzles may have various dimensions and aperture shapes that are configured to produce a fine or less fine fluid jet having a selected cross-sectional profile, such as cylindrical or rectangular.
- the diameter D3 of the spray head can also be of various dimensions to provide nozzles 32 which emerge close to the axis of rotation Ar , as in the embodiments of FIGS Figures 1a-1c and 4 wherein the spray head diameter is substantially equal to (or smaller than) the diameter of the second axial rotor shoulder D2 , or which exit farther from the axis, as in Figs FIGS. 2 and 3 is shown, wherein the spray head diameter D3 is greater than the diameter of the second axial rotor extension D2 .
- the dispensing spray head 16 includes an insert 42 secured to the outlet end 19 of the rotor and having a core portion 44 extending into an outlet cavity 46 of the rotor configured to direct fluid to each of the nozzles 32.
- the insert may be made of an injection molded plastic or other material and may be connected or welded or attached to the rotor by mechanical means (eg, locking projections).
- the dispensing spray head 26 is a separate component mounted over the outlet end 19 of the rotor and may be made of injection molded plastic or other material and bonded or welded to or secured to the rotor by mechanical means (eg, locking protrusions).
- FIG. 2 There are a plurality of nozzles 32, 32 ', which are aligned at different angles ⁇ , while the nozzles in the variant of FIG. 3 are aligned at the same angle, in the illustrated example with an angle of 90 ° with respect to the axis Ar.
- the nozzles are formed in inserts 48 mounted in the spray head body 50.
- the nozzles may be formed of a different material than the body, and / or very fine nozzles may be formed compared to the dimensions of the fluid flow channel 52 within the spray head 36.
- the spray head 46 has a cap portion 42 'mounted on the outlet end 19 of the rotor and having substantially the same diameter as the rotor end and nozzles 32, 32' formed directly in the cap portion 42 '.
- the dispensing spray head 56 is not mounted on the rotor but is formed on the stator housing with the rotor outlet end 19 disposed within the housing.
- the dispensing spray head has an elastic or flexible cap 57, for example made of an elastomer, which is secured over an end wall 58 of the stator housing and has a flexible lip 60 which presses circumferentially against the end wall 58.
- One or more outlet ports traverse the end wall 58 to allow the fluid to be pumped out through the end wall 58 and radially deflected by the flexible cap, thereby lifting the flexible lip from the end wall under the pressure of the fluid being pumped to define the spray nozzle gap.
- the cap 57 may include a central fixing bolt 55 for securing the cap to the stator housing provided with a complementary through-hole.
- the axial movement ( A ) of the rotor 12 is advantageously effected by a double cam mechanism 24 which defines the axial displacement of the rotor in both axial directions, namely the pump operating direction A1 and the pump filling direction A2 , depending on the angular displacement ⁇ of the rotor.
- the cam mechanism 24 has a rotor cam 26 and a stator cam 28.
- the stator cam may be in the form of one or more protrusions 30a, 30b and the rotor cam may be in the form of annular cam surfaces 29a, 29b.
- a first cam surface 29a of the rotor cooperates with a first stator cam projection 30a to define the pump discharge function (ie, expelling fluid from the pump) and an opposite second cam surface 29b of the rotor cooperates with a second stator cam projection 30b , to the Define pump filling function ( ie, the drawing of fluid into the pump).
- the stator cam projection may also be in the form of a projection which projects inwardly from a side wall of the stator in the radial direction R and is received in a circumferential groove of the rotor.
- the cam mechanism may be reversed by providing the stator with the annular cam surfaces and the rotor with first and second cam protrusions on each side of the annular stator cam.
- the above-described double cam mechanism is advantageous in that the cam members can be made of injection-molded plastic or other materials and assembled or integrally formed with the rotor or stator of the pump, and in a very cost-efficient configuration.
- the dual cam mechanism in conjunction with the pump is also advantageous in that it can pump in both directions, which can be used to prevent liquid from dripping from the spray head after the pump has been shut down by drawing fluid from the nozzle.
- the stator housing 14 may include a main housing portion 34 surrounding the rotor chamber and a cap portion 37 for locking the rotor in the main housing.
- the cap portion 37 can be advantageously made of an injection-molded plastic, but it can also be made for a cost-effective configuration of a stamped and formed sheet metal and elastic tongues 38 or other mechanical fasteners that without additional fasteners rapid assembly of the cap portion of the Allow main housing section, be attached to the main housing section.
- the cap portion may also be fixed to the main body portion by bonding or welding (e.g., ultrasonic welding).
- the sealing valve system 20 may advantageously be made of an elastomeric material which is molded as a single element by injection molding into the main body portion of the stator.
- the assembly of the components of the output system can be made for a very inexpensive installation advantageously in principle or only by inserting the components in the axial direction A.
- the rotor may advantageously be formed by axially inserting it into the main body portion of the stator and sealing valve system 20, followed by pressing the cap portion over the open end of the main body portion until the tabs 38 are clipped and locked onto the cap portion, and inserting and attaching the dispensing spray head the outlet end 19 of the rotor are constructed.
- the rotor may be rotationally driven by an electric drive, such as electromagnets 64 in the stator (see FIG. 3 ), which surrounds a drive section of the rotor, which is provided with permanent magnets.
- the rotor may also be driven by a mechanical or electrical drive mechanically coupled to the rotor, for example via a drive sprocket 66 (see FIG. 2 ) extending from the rotor at one end of the dispensing system remote from the spray head.
- the invention can be used advantageously to produce radially or conically distributed sprays of fluid, such as liquids. surfactants
- the fluid comprises at least one surfactant, preferably in a concentration of 0.1-30% by weight, more preferably between 0.5-20% by weight, most preferably between 1-15% by weight. It has been found that the use of a surfactant-containing fluid has several positive effects in connection with the pump. On the one hand, a significant reduction in the noise of the pump can be observed. Furthermore, a lower friction of the movable pump parts is observed, which leads to a lower energy consumption during operation of the pump and less wear.
- anionic surfactants e.g. (linear) alkylbenzenesulfonates, fatty alcohol sulfates or alkanesulfonates etc., preferably in amounts of e.g. 0.1 to 30% by weight, and / or nonionic surfactants, such as e.g. Alkyl polyglycol ethers, alkyl polyglucosides or amine oxides, etc., preferably in amounts of e.g. 0.1 to 30 wt .-%, each based on the total agent.
- the fluid may also contain cationic surfactants, e.g. in amounts of 0.01% by weight or 0.05% by weight to 30% by weight.
- cationic surfactant which means that the fluid is less than 10% by weight, preferably less than 5% by weight, advantageously less than 3% by weight, more preferably less than 1 wt .-%, more preferably less than 0.5 wt .-%, in particular 0 wt .-% cationic surfactant.
- the pump, the dispensing spray head and the fluid such that a foam is formed as the fluid is sprayed from the dispensing spray head.
- the skilled person will configure this by a suitable choice of the surfactant concentration in the fluid, as well as the design of the dispensing spray head and of the pump pressure.
- the viscosity of the fluid between 1mPas and 5,000mPas, preferably between 10 and 1,000 mPas at a shear rate of 30 s -1 and a temperature of 25 ° C.
- the viscosity of the fluid can be measured by conventional standard methods (for example Brookfield Viscometer RVD-VII at 20 rpm and 20 ° C., spindle 3).
- the fluid may comprise further constituents, which are listed below.
- the fluid may preferably contain one or more perfumes, preferably in an amount of 0.01 to 15 wt .-%, in particular 0.05 to 10 wt .-%, particularly preferably 0.1 to 8 wt .-%.
- a perfume component d-limonene may be contained.
- the composition contains a perfume of essential oils (also referred to as essential oils). Pine, citrus, jasmine, patchouly, rose or ylang-ylang oil, for example, can be used as such in the context of this invention.
- Muskateller sage oil chamomile oil, lavender oil, clove oil, balm oil, mint oil, cinnamon oil, lime blossom oil, juniper berry oil, vetiver oil, olibanum oil, galbanum oil and labdanum oil and orange blossom oil, neroliol, orange peel oil and sandalwood oil.
- Adhesive-resistant fragrances which are advantageously usable in the perfume oils in the context of the present invention are, for example, the essential oils such as angelica root oil, aniseed oil, arnica blossom oil, basil oil, Bay oil, Champacablütenöl, Edeltannenöl, Edeltannenzapfen oil, Elemiöl, eucalyptus oil, fennel oil, spruce alder oil, galbanum oil, geranium oil, Ginger Grass Oil, Guajac Wood Oil, Gurjun Balm Oil, Helichrysum Oil, Ho Oil, Ginger Oil, Iris Oil, Cajeput Oil, Calam Oil, Camomile Oil, Camphor Oil, Kanaga Oil, Cardamom Oil, Cassia Oil, Pine Needle Oil, Kopa ⁇ va Balsam Oil, Coriander Oil, Spearmint Oil, Cumin Oil, Cumin Oil, Lemongrass Oil, Musk Grain Oil, Myrrh Oil, Clove Oil, Neroli oil, Niaouli oil, Olibanum oil
- fragrances of natural or synthetic origin can be used in the context of the present invention advantageously as adherent fragrances or fragrance mixtures in the perfume oils.
- These compounds include the following compounds and mixtures thereof: ambrettolide, ⁇ -amylcinnamaldehyde, anethole, anisaldehyde, anisalcohol, anisole, methyl anthranilate, acetophenone, benzylacetone, benzaldehyde, ethyl benzoate, benzophenone, benzyl alcohol, borneol, bornyl acetate, ⁇ -bromostyrene, n -Decyl aldehyde, n-dodecyl aldehyde, eugenol, eugenol methyl ether, eucalyptol, farnesol, fenchone, fenchyl acetate, geranyl acetate, geranyl
- more volatile fragrances which are advantageously used in the perfume oils in the present invention include in particular the lower-boiling fragrances natural or synthetic origin, which can be used alone or in mixtures.
- Examples of more volatile fragrances are alkyl isothiocyanates (alkyl mustard oils), butanedione, limonene, linalool, linayl acetate and propionate, menthol, menthone, methyl-n-heptenone, phellandrene, phenylacetaldehyde, terpinyl acetate, citral, citronellal.
- the fluid therefore contains one or more antimicrobial agents, preferably in an amount of up to 40% by weight, preferably 0.01 to 25% by weight .-%, in particular 0.1 to 5 wt .-%.
- disinfection, sanitation, antimicrobial action and antimicrobial agent have the usual meaning within the scope of the teaching according to the invention. While disinfection in the narrower sense of the medical practice means the killing of - in theory all - infectious germs, sanitation is to be understood as the greatest possible elimination of all - including the saprophytic - normally harmless to humans saprophytic - germs. Here, the extent of disinfection or sanitation depends on the antimicrobial effect of the applied agent, which decreases with decreasing content of antimicrobial agent or increasing dilution of the agent for use.
- antimicrobial agents from the groups of alcohols, aldehydes, antimicrobial acids or their salts, carboxylic acid esters, acid amides, phenols, phenol derivatives, diphenyls, diphenylalkanes, urea derivatives, oxygen, nitrogen acetals as well as -Formals, benzamidines, isothiazoles and their derivatives such as isothiazolines and isothiazolinones, phthalimide derivatives, pyridine derivatives, antimicrobial surface-active compounds, guanidines, antimicrobial amphoteric compounds, quinolines, 1,2-dibromo-2,4-dicyanobutane, iodo-2-propynyl-butyl carbamate, iodine, iodophores, active chlorine releasing compounds and peroxides.
- Preferred antimicrobial agents are preferably selected from the group comprising 1,3-butanediol, phenoxyethanol, 1,2-propylene glycol, glycerol, undecylenic acid, citric acid, lactic acid, benzoic acid, salicylic acid, thymol, 2-benzyl-4-chlorophenol, 2,2 '.
- Preferred antimicrobial surface-active quaternary compounds contain an ammonium, sulfonium, phosphonium, iodonium or arsonium group.
- antimicrobially effective essential oils can be used, which at the same time provide for a scenting of the cleaning agent.
- particularly preferred antimicrobial active ingredients are selected from the group comprising salicylic acid, quaternary surfactants, in particular benzalkonium chloride, peroxo compounds, in particular sodium percarbonate or phthalimidoperoxyhexanoic acid, alkali metal hypochlorite, trichloroisocyanuric acid, sodium dichloroisocyanurate and mixtures thereof.
- an antimicrobial agent in the fluid delivered by the pump is advantageous in that, when the pump is at a standstill for a long time, a microbial deposit on the pump surfaces is prevented and thus no frictional losses or blockages are to be expected.
- bleaching agents can be added to the fluid.
- Suitable bleaching agents include peroxides, peracids and / or perborates, more preferably sodium percarbonate or phthalimidoperoxyhexanoic acid.
- chlorine-containing bleaching agents such as trichloroisocyanuric acid or sodium dichloroisocyanurate, are less suitable for acidic detergents due to the release of toxic chlorine gas vapors, but can be used in alkaline cleaning agents. Under certain circumstances, a bleach activator may be required in addition to the bleaching agent.
- Suitable corrosion inhibitors are, for example, the following named according to INCl substances: cyclohexylamine, diammonium phosphates, dilithium oxalates, dimethylamino Methylpropanol, Dipotassium Oxalate, Dipotassium Phosphate, Disodium Phosphate, Disodium Pyrophosphate, Disodium Tetrapropenyl Succinate, Hexoxyethyl Diethylammonium, Phosphate, Nitromethane, Potassium Silicate, Sodium Aluminate, Sodium Hexametaphosphate, Sodium Metasilicate, Sodium Molybdate, Sodium Nitrites, Sodium Oxalate, Sodium Silicate, Stearamidopropyl Dimethicones, tetrapotassium pyrophosphates, tetrasodium pyrophosphates, triisopropanolamines.
- the fluid may also contain enzymes, preferably proteases, lipases, amylases, hydrolases and / or cellulases. They can be added to the composition according to the invention in any form established according to the prior art. These include solutions of the enzymes, preferably concentrated as possible, low in water and / or added with stabilizers. Alternatively, the enzymes can be encapsulated, for example by spray drying or extrusion of the enzyme solution together with a, preferably natural, polymer or in the form of capsules, for example those in which the enzymes are entrapped as in a solidified gel or in core-shelled form. Type in which an enzyme-containing core is coated with a water, air and / or chemical impermeable protective layer.
- enzymes preferably proteases, lipases, amylases, hydrolases and / or cellulases.
- active ingredients for example stabilizers, emulsifiers, pigments, bleaches or dyes
- Such capsules are applied by methods known per se, for example by shaking or rolling granulation or in fluid-bed processes.
- granules for example by applying polymeric film-forming agent, low in dust and storage stable due to the coating.
- enzyme stabilizers may be present in enzyme-containing agents to protect an enzyme contained in a fluid from damage such as inactivation, denaturation or degradation, such as by physical influences, oxidation or proteolytic cleavage.
- Suitable enzyme stabilizers are in particular: benzamidine hydrochloride, borax, boric acids, boronic acids or their salts or esters, especially derivatives with aromatic groups, for example substituted phenylboronic acids or their salts or esters; Peptide aldehydes (oligopeptides with reduced C-terminus), amino alcohols such as mono-, di-, triethanol- and -propanolamine and mixtures thereof, aliphatic carboxylic acids up to C 12 , such as succinic acid, other dicarboxylic acids or salts of said acids; end-capped fatty acid amide alkoxylates; lower aliphatic alcohols and especially polyols, for example glycerol, ethylene glycol, propylene glycol or sorbitol; and reducing agents and antioxidants such as sodium sulfite and reducing sugars.
- benzamidine hydrochloride borax, boric acids, boronic acids or their salts or esters, especially derivatives with
- stabilizers for example the combination of polyols, boric acid and / or borax, the combination of boric acid or borate, reducing salts and succinic acid or other dicarboxylic acids or the combination of boric acid or borate with polyols or polyamino compounds and with reducing salts.
- the pump may draw fluid from a reservoir, in other words create a partial volume whereby the fluid contained within the reservoir may be withdrawn without replacing the volume of fluid dispensed from the reservoir with ambient air.
- the amount of fluid dispensed depends only on the number of revolutions made by the rotor of the pump, not on the pressure difference between the fluid container and the ambient pressure, nor on the flow resistance of fluid dispensed in the pump or the outlet nozzle.
- the dispensing system of this invention is capable of finely controlled and very uniformly distributed very small amounts of fluid sprayed radially outward from the spray head.
- the pump used in the present invention also allows accurate metering of the dispensed fluid and eliminates the need for valves because the pump itself has a valve function.
- the pump is particularly suitable to be provided for spraying fluids with a cleaning and / or fragrance function.
- the pump may be part of a toilet cleaning system in which the spray of the fluid covers the entire interior of a toilet bowl.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
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- Nozzles (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Medicinal Preparation (AREA)
Description
Die vorliegende Erfindung betrifft ein Verfahren zur Ausgabe von Fluiden, insbesondere Flüssigkeiten, in Form eines Sprays.The present invention relates to a method for dispensing fluids, in particular liquids, in the form of a spray.
Es gibt viele Anwendungen, bei denen Flüssigkeiten gesprüht werden müssen, wobei die gewünschte Sprühkonfiguration von der Anwendung abhängt und Parameter, wie die Fließgeschwindigkeit und die Menge der auszugebenden Flüssigkeit, die Tröpfchengröße, der Durchmesser des Fluidstrahls, die Ausströmgeschwindigkeit des Fluids sowie die räumliche Verteilung von Flüssigkeit einschließen kann. Neben den Eigenschaften der Flüssigkeit (z.B. Viskosität) und des Drucks hängt die Sprühkonfiguration unter anderem von der Düsengeometrie ab, die in herkömmlichen Systemen statisch ist und manchmal einen einstellbaren Spalt oder eine einstellbare Austrittsform aufweist, um die Sprühkonfiguration zu variieren. Herkömmliche Ausgabesysteme bieten jedoch keine gute, präzise gesteuerte breite räumliche Verteilung von Fluid, insbesondere bei einer Feindosierung.There are many applications where liquids must be sprayed, with the desired spray configuration depending on the application and parameters such as flow rate and amount of liquid to be dispensed, droplet size, fluid jet diameter, fluid outflow velocity, and spatial distribution May include liquid. In addition to the properties of the liquid (e.g., viscosity) and pressure, the spray configuration depends, inter alia, on the nozzle geometry, which is static in conventional systems and sometimes has an adjustable gap or settable exit shape to vary the spray configuration. Conventional dispensing systems, however, do not provide a good, precisely controlled, wide spatial distribution of fluid, especially at fine dosing.
Es ist die Aufgabe dieser Erfindung, Verfahren zur Ausgabe von Fluiden mit einem Ausgabesystem anzugeben, das eine gut gesteuerte und gleichmäßige räumliche Abgabe von Fluid bei möglichst geringer Geräuschentwicklung und/oder geringem Energieverbrauch und/oder geringem Verschleiß ermöglicht.It is the object of this invention to provide methods for dispensing fluids with an dispensing system that allows for well-controlled and even spatial dispensing of fluid with the least possible noise and / or energy consumption and / or wear.
Bei manchen Anwendungen ist es vorteilhaft, ein Fluidausgabesystem zur Verfügung zu stellen, das ein Fluid mit einer Feinregulierung radial nach außen ausgeben kann.In some applications it is advantageous to provide a fluid dispensing system that can dispense a fluid with a fine control radially outward.
Bei manchen Anwendungen ist es vorteilhaft, ein Fluidausgabesystem zur Verfügung zu stellen, das kleine Mengen eines Fluids mit einer Feinregulierung ausgeben kann.In some applications, it is advantageous to provide a fluid dispensing system that can dispense small amounts of fluid with a fine control.
Bei manchen Anwendungen ist es vorteilhaft, ein Fluidausgabesystem zur Verfügung zu stellen, das ein Fluid mit einer konstanten Ausgaberate ausgeben kann.In some applications, it is advantageous to provide a fluid dispensing system that can dispense a fluid at a constant dispensing rate.
Bei manchen Anwendungen ist es vorteilhaft, ein Fluidausgabesystem zur Verfügung zu stellen, das separat in einen Behälter integriert werden kann und einen weiten Bereich von Konfigurationen der Behälterausführung erlaubt.In some applications, it is advantageous to provide a fluid dispensing system that can be separately integrated into a container and allows a wide range of container design configurations.
Es ist von Vorteil, ein Fluidausgabesystem zur Verfügung zu stellen, das kompakt und kosteneffektiv ist. Es ist vorteilhaft, ein Fluidausgabesystem zur Verfügung zu stellen, das leicht zu bedienen ist.It is an advantage to provide a fluid dispensing system that is compact and cost effective. It is advantageous to provide a fluid dispensing system that is easy to operate.
Die Aufgaben dieser Erfindung wurden durch Vorsehen eines Ausgabesystems nach Anspruch 1 gelöst.The objects of this invention have been achieved by providing an output system according to claim 1.
Hier wird ein Verfahren mit einem Fluidausgabesystem offenbart, das eine Pumpe und einen Ausgabesprühkopf aufweist, der mindestens eine Düse, durch die auszugebendes Fluid austritt, aufweist. Die Pumpe weist einen Stator und einen Rotor auf, der in einer Kammer des Stators angebracht und in Bezug auf den Stator um eine Drehachse drehbar und axial entlang dieser Achse verschiebbar ist, wobei die axiale Verschiebung des Rotors in eine erste axiale Richtung so konfiguriert ist, dass sie einen Pumpenfüllbetrieb bewirkt, in dem das Fluid über einen Einlass in die Statorkammer gezogen wird, und in eine entgegengesetzte zweite axiale Richtung so konfiguriert ist, dass sie einen Ausgabebetrieb bewirkt, der das Fluid in der Kammer aus einem Auslass der Pumpe austreibt. Der Auslass der Pumpe ist in dem Rotor angeordnet und der Ausgabesprühkopf steht mit dem Auslass der Pumpe in Fluidverbindung und ist auf oder nahe zu einem axialen Auslassende des Rotors angeordnet, wobei der Ausgabesprühkopf so konfiguriert ist, dass er das Fluid zumindest teilweise in eine radiale Richtung und die Drehachse umgebend ausgibt.Here, a method is disclosed with a fluid delivery system having a pump and a dispensing spray head having at least one nozzle through which fluid to be dispensed exits. The pump includes a stator and a rotor mounted in a chamber of the stator and rotatable relative to the stator about an axis of rotation and axially displaceable along that axis, the axial displacement of the rotor being configured in a first axial direction, in that it causes a pump filling operation in which the fluid is drawn into the stator chamber via an inlet and is configured in an opposite second axial direction so as to effect an output operation which expels the fluid in the chamber from an outlet of the pump. The outlet of the pump is disposed in the rotor and the dispensing spray head is in fluid communication with the outlet of the pump and is located at or near an axial outlet end of the rotor, wherein the dispensing spray head is configured to at least partially direct the fluid in a radial direction and outputs the rotation axis surrounding.
Auszugebende Fluide können Flüssigkeiten, Gase, Mischungen von Gas und Flüssigkeit, Gele und andere fließfähige Substanzen sein. Das Fluidausgabesystem nach den Ausführungsformen der Erfindung ist besonders gut für das Sprühen von Flüssigkeiten geeignet.Fluids to be dispensed may be liquids, gases, mixtures of gas and liquid, gels and other flowable substances. The fluid dispensing system according to the embodiments of the invention is particularly well suited for spraying liquids.
In einer vorteilhaften Ausgestaltung weist der Rotor erste und zweite axiale Ansätze verschiedener Durchmesser, die in entsprechenden ersten und zweiten Kammerabschnitten der Statorkammer angebracht sind, und erste und zweite Dichtungen auf, die in dem Statorgehäuse angebracht sind und den ersten und den zweiten axialen Rotoransatz umgeben, wobei die Rotoransätze Fluidzufuhrkanäle aufweisen, die in Verbindung mit den jeweiligen Dichtringen als Ventile dienen, die eine Verbindung zwischen dem Einlass der Pumpe und den Kammerabschnitten bzw. den Kammerabschnitten und dem Auslass der Pumpe in Abhängigkeit der Winkelverschiebung des Pumpenrotors öffnen und schließen.In an advantageous embodiment, the rotor has first and second axial projections of different diameters, which are mounted in respective first and second chamber sections of the stator chamber, and first and second seals, which are mounted in the stator housing and surround the first and the second axial rotor projections, wherein the rotor lobes have fluid supply channels, which in conjunction with the respective sealing rings serve as valves which open and close a connection between the inlet of the pump and the chamber sections or the chamber sections and the outlet of the pump in dependence on the angular displacement of the pump rotor.
In einer vorteilhaften Ausgestaltung ist der Auslass der Pumpe in dem zweiten axialen Rotoransatz angeordnet und hat der zweite axiale Rotoransatz einen Durchmesser, der kleiner ist als der Durchmesser des ersten axialen Rotoransatzes. Der Auslass der Pumpe kann vorteilhafterweise aus dem axialen Austrittsende des Rotors austreten.In an advantageous embodiment, the outlet of the pump is arranged in the second axial rotor attachment and the second axial rotor attachment has a diameter which is smaller than the diameter of the first axial rotor attachment. The outlet of the pump can advantageously exit from the axial outlet end of the rotor.
In einer vorteilhaften Ausgestaltung ist der Ausgabesprühkopf unbeweglich an dem axialen Austrittsende des Rotors angebracht oder erstreckt sich von diesem und dreht sich mit dem Rotor.In an advantageous embodiment, the dispensing spray head is immovably attached to or extends from the axial exit end of the rotor and rotates with the rotor.
Der Ausgabesprühkopf kann in Form eines separaten Bauteils vorliegen, das an dem axialen Austrittsende des Rotors angebracht ist, wobei es auch möglich ist, einen Sprühkopf in einem Stück mit dem Rotor als ein einzelnes Bauteil zu bilden.The dispensing spray head may be in the form of a separate component attached to the axial exit end of the rotor, and it is also possible to form a spray head in one piece with the rotor as a single component.
Der Ausgabesprühkopf kann einen Durchmesser aufweisen, der größer ist als der Durchmesser des axialen Austrittsendes des Rotors, oder er kann einen Durchmesser aufweisen, der gleich dem oder kleiner als der Durchmesser des axialen Austrittsendes des Rotors ist.The dispensing spray head may have a diameter that is greater than the diameter of the axial exit end of the rotor, or may have a diameter that is equal to or less than the diameter of the axial exit end of the rotor.
Der Ausgabesprühkopf kann vorteilhafterweise eine Vielzahl von Düsen aufweisen, wobei die Düsen in einem oder mehreren Winkeln (α ) in Bezug auf die radiale Richtung ausgerichtet sind. Die Projektionsrichtung der Düsen kann einen gewählten Winkel annehmen, zum Beispiel in einem Bereich, in dem - 80° < α < +90°, oder weniger, zum Beispiel in dem -60° < α < +90°. Die winkelige Drehposition des Pumpenausstoßbereiches, die vorzugsweise in einem Bereich von 60° bis 120°, zum Beispiel 90° liegen kann, hängt von der Pumpenkonfiguration ab und wird durch diese festgelegt und ermöglicht die Wahl, wo der Pumpenausstoß beginnt und wo er endet, und somit die Konfiguration des Anfangs- und Endwinkels, der die Winkelverteilung des Sprays um die Rotationsachse formt. Die Konfiguration des Pumpenventils bestimmt sich durch die Position der Flüssigkeitszufuhrkanäle, die Form und Position der Dichtungen sowie die axiale Verschiebungscharakteristik des Rotors in Abhängigkeit der Drehung. Somit ist es möglich, durch Konfiguration der Kombination von Parametern einen weiten Bereich von asymmetrischen oder symmetrischen Sprühmustern zu erzeugen, wobei die Parameter einschließen:
- den Fluiddurchsatz, die Winkelrichtung α jeder Düse relativ zur Radialrichtung R, die Winkelöffnungsbreite jedes Düsenelements, die Anzahl und räumliche Verteilung der Düsen und die Konfiguration des Pumpenventils, die den Drehwinkel des Fluidausstoßbetriebs bestimmt. Dadurch kann man zum Beispiel in einem bestimmten Sprühbereich, der relativ weit von der Vorrichtung angeordnet ist, mehr Fluid haben, und in dem relativ nahen Sprühbereich weniger Fluid und/oder in einem anderen Winkel Fluid haben, zum Beispiel seitlich angrenzend an das oder hinter dem Ausgabesystem.
- the fluid flow rate, the angular direction α of each nozzle relative to the radial direction R, the angular opening width of each nozzle member, the number and spatial distribution of the nozzles, and the configuration of the pump valve that determines the rotational angle of the fluid ejection operation. Thus, for example, one may have more fluid in a particular spray area relatively far from the device, and have less fluid in the relatively near spray area and / or fluid at a different angle, for example, laterally adjacent to or behind the device output system.
Die Vielzahl von Düsen kann jeweils im gleichen Winkel in Bezug auf die radiale Richtung ausgerichtet sein, oder sie kann in zwei oder mehr verschiedenen Winkel ausgerichtet sein.The plurality of nozzles may each be oriented at the same angle with respect to the radial direction, or may be oriented at two or more different angles.
In vorteilhaften Ausführungsformen erstreckt sich das axiale Rotoraustrittsende außerhalb des Stators.In advantageous embodiments, the axial rotor exit end extends outside of the stator.
In einer anderen Ausführungsform kann das Ausgabesystem einen Ausgabesprühkopf aufweisen, der fest und dauerhaft an einer Stirnwand eines Gehäuses des Stators angrenzend an das Austrittsende des Rotors, der innerhalb des Gehäuses angeordnet ist, angebracht ist.In another embodiment, the dispensing system may include a dispensing spray head fixedly and permanently attached to an end wall of a housing of the stator adjacent the exit end of the rotor disposed within the housing.
Der Ausgabesprühkopf kann eine flexible Kappe mit einer Umfangslippe aufweisen, die gegenüber der Stirnwand des Statorgehäuses vorgespannt und unter dem Fluiddruck verschiebbar und/oder verformbar ist, um mit der Stirnwand des Statorgehäuses eine Sprühdüse, zum Beispiel eine ringförmige Sprühdüse, zu begrenzen.The dispensing spray head may include a flexible cap having a peripheral lip biased relative to the end wall of the stator housing and slidable and / or deformable under fluid pressure to define a spray nozzle, such as an annular spray nozzle, with the end wall of the stator housing.
Der Rotor und der Stator können vorteilhafterweise komplementäre Nockenmechanismen aufweisen, die die axiale Verschiebung des Rotors in beide entgegengesetzte axiale Richtungen in Abhängigkeit einer Winkelverschiebung des Rotors bewirken.The rotor and the stator may advantageously have complementary cam mechanisms which cause the axial displacement of the rotor in both opposite axial directions in response to angular displacement of the rotor.
Weitere Aufgaben und vorteilhafte Merkmale der Erfindung ergeben sich aus den Ansprüchen, aus der ausführlichen Beschreibung und aus den beigefügten Zeichnungen, wobei:
- die
Figuren 1 und 1b Querschnittansichten durch ein Fluidausgabesystem nach einer ersten Ausführungsform der Erfindung sind, wobeiFig. 1a ein Ende einer Ausstoßposition eines Pumpzyklus veranschaulicht undFig. 1b ein Ende einer Füllposition des Pumpzyklus veranschaulicht; -
Fig. 1c eine vergrößerte Perspektivansicht eines Ausgabekopfeinsatzes des Ausgabesystems derFiguren 1a, 1b ist; -
Fig. 2 eine schematische Querschnittansicht durch einen Ausgabekopf nach einer zweiten Ausführungsform der Erfindung ist; -
Fig. 3 eine schematische Querschnittansicht durch einen Ausgabekopf nach einer dritten Ausführungsform der Erfindung ist; -
Fig. 4 eine schematische Querschnittansicht durch einen Ausgabekopf nach einer vierten Ausführungsform der Erfindung ist; -
Fig. 5 eine schematische Querschnittansicht durch einen Ausgabekopf nach einer fünften Ausführungsform der Erfindung ist.
- the
Figures 1 and 1b Cross-sectional views through a fluid delivery system according to a first embodiment of the invention, whereinFig. 1a illustrates an end of an ejection position of a pumping cycle andFig. 1b illustrates an end of a filling position of the pumping cycle; -
Fig. 1c an enlarged perspective view of a dispensing head insert of the dispensing system ofFIGS. 1a, 1b is; -
Fig. 2 a schematic cross-sectional view through a dispensing head according to a second embodiment of the invention; -
Fig. 3 a schematic cross-sectional view through a dispensing head according to a third embodiment of the invention; -
Fig. 4 a schematic cross-sectional view through a dispensing head according to a fourth embodiment of the invention; -
Fig. 5 a schematic cross-sectional view through a dispensing head according to a fifth embodiment of the invention.
Bezugnehmend auf die Figuren weist ein Ausgabesystem 2 nach verschiedenen Ausführungsformen der Erfindung eine Ausgabepumpe 4 und einen Ausgabesprühkopf 16, 26, 36, 46, 56 auf, der auf einem Auslass der Pumpe angebracht ist. Die Pumpe weist einen Einlass 8 in Verbindung mit dem Inneren eines Behälters (nicht gezeigt) auf, der ein auszugebendes Fluid aufweist oder mit einem Rohr oder einer anderen Leitung verbunden ist, die wiederum mit einer Quelle oder einem Anschluss für auszugebendes Fluid, zum Beispiel eine Flüssigkeit, verbunden ist.Referring to the figures, an
Die Ausgabepumpe 4 kann vorteilhafterweise eine Konfiguration und einen Pumpenbetrieb aufweisen, die ähnlich zu der Pumpe sind, die in der
Der zweite Fluidzufuhrkanal 20b in dem zweiten axialen Rotoransatz 17b mit einem kleineren Durchmesser als der erste axiale Rotoransatz 17a bildet auch den Auslass 10 der Pumpe 4 und führt in den Ausgabekopf 16, 26 36, 46, 56. In den gezeigten Ausführungsformen weist der zweite Fluidzufuhrkanal einen Kanal auf, der in dem Rotor versenkt ist und sich von dem Auslass 10 zu einer Öffnung 40 an der Oberfläche des zweiten axialen Ansatzes 17b erstreckt. Die Öffnung 40 ist so konfiguriert, dass sie bei der Drehung des Rotors die zweite Dichtung 20b passiert, so dass sie während des Abschnitts des Fluidausgabezyklus in die Pumpenkammer 18b eintritt bzw. die Kammer 18b verlässt, um den Auslass während des Abschnitts des Füllzyklus der Pumpenkammer zu verschließen. Der versenkte Auslasskanal 10 kann sich zu einem axialen Ende des Rotors erstrecken, wie es in den verschiedenen gezeigten Ausführungsformen veranschaulicht ist, oder er kann den Rotor radial verlassen, bevor er das axiale Ende des Rotors erreicht.The second
Der erste Fluidzufuhrkanal 20a kann in Form einer Nut oder eines offenen Kanals in der Oberfläche des Rotors vorliegen oder aber unterhalb der Rotoroberfläche versenkt sein, wobei Öffnungen, die auf die Rotoroberfläche führen, ausgenommen sind.The first
In den veranschaulichten Ausführungsformen erstreckt sich der zweite axiale Rotoransatz 17b durch den Hauptgehäuseabschnitt 34 des Stators außerhalb des Stators, so dass er von außerhalb des Stators zugänglich ist.In the illustrated embodiments, the second
In einer Variante, wie sie zum Beispiel in
In in den
Die Düsen können verschiedene Abmessungen und Öffnungsformen aufweisen, die so konfiguriert sind, dass sie einen feinen oder einen weniger feinen Fluidstrahl mit einem gewählten Querschnittprofil, wie zylindrisch oder rechteckig, erzeugen. Der Durchmesser D3 des Sprühkopfes kann auch verschiedene Abmessungen aufweisen, um Düsen 32 zur Verfügung zu stellen, die nahe an der Drehachse Ar austreten, wie in den Ausführungsformen der
In der Ausführungsform der
Bei der Ausführungsform der
Bei der Ausführungsform von
Bei der Ausführungsform von
Bei einer bevorzugten Ausführungsform wird die axiale Bewegung (A) des Rotors 12 vorteilhafterweise durch einen Doppelnockenmechanismus 24 bewirkt, der die axiale Verschiebung des Rotors in beide axiale Richtungen definiert, nämlich in die Pumpenfunktionsrichtung A1 und in die Pumpenfüllrichtung A2, und zwar in Abhängigkeit der Winkelverschiebung Ω des Rotors. Der Nockenmechanismus 24 weist eine Rotornocke 26 und eine Statornocke 28 auf. Die Statornocke kann in Form von einem oder mehreren Vorsprüngen 30a, 30b vorliegen, und die Rotornocke kann in Form von ringförmigen Nockenoberflächen 29a, 29b vorliegen. Bei der veranschaulichten Ausführungsform wirkt eine erste Nockenoberfläche 29a des Rotors mit einem ersten Statornockenvorsprung 30a zusammen, um die Pumpenausgabefunktion zu definieren (d.h. das Ausstoßen von Fluid aus der Pumpe), und eine entgegengesetzte zweite Nockenoberfläche 29b des Rotors wirkt mit einem zweiten Statornockenvorsprung 30b zusammen, um die Pumpenfüllfunktion zu definieren (d.h. das Einziehen von Fluid in die Pumpe). Der Statornockenvorsprung kann auch in Form eines Vorsprungs vorliegen, der von einer Seitenwand des Stators in radialer Richtung R nach innen vorsteht und in einer Umfangsnut des Rotors aufgenommen wird. Der Nockenmechanismus kann umgekehrt werden, indem der Stator die ringförmigen Nockenoberflächen und der Rotor erste und zweite Nockenvorsprünge an jeder Seite der ringförmigen Statornocke vorsieht.In a preferred embodiment, the axial movement ( A ) of the
Der oben beschriebene Doppelnockenmechanismus ist dahingehend vorteilhaft, dass die Nockenelemente aus spritzgegossenem Kunststoff oder anderen Materialien hergestellt und mit dem Rotor bzw. dem Stator der Pumpe zusammengesetzt oder in einem Stück gebildet werden können, und dies in einer sehr kosteneffizienten Konfiguration. Der Doppelnockenmechanismus in Verbindung mit der Pumpe ist auch dahingehend vorteilhaft, dass in beide Richtungen gepumpt werden kann, was genutzt werden kann, um zu vermeiden, dass Flüssigkeit von dem Sprühkopf tropft, nachdem die Pumpe abgeschaltet wurde, indem Fluid von der Düse eingezogen wird.The above-described double cam mechanism is advantageous in that the cam members can be made of injection-molded plastic or other materials and assembled or integrally formed with the rotor or stator of the pump, and in a very cost-efficient configuration. The dual cam mechanism in conjunction with the pump is also advantageous in that it can pump in both directions, which can be used to prevent liquid from dripping from the spray head after the pump has been shut down by drawing fluid from the nozzle.
Bei der veranschaulichten Ausführungsform kann das Statorgehäuse 14 einen Hauptgehäuseabschnitt 34, der die Rotorkammer umgibt, und einen Kappenabschnitt 37, um den Rotor in dem Hauptgehäuse zu verriegeln, aufweisen. Der Kappenabschnitt 37 kann vorteilhafterweise auch aus einem spritzgegossenen Kunststoff gefertigt sein, er kann aber auch für eine kosteneffiziente Konfiguration aus einem gestanzten und geformten Blech gefertigt sein und durch elastische Zungen 38 oder andere mechanische Befestigungsmittel, die ohne zusätzliche Befestigungsmittel eine schnelle Montage des Kappenabschnitts an dem Hauptgehäuseabschnitt ermöglichen, an dem Hauptgehäuseabschnitt befestigt sein. Der Kappenabschnitt kann auch durch Verbinden oder Schweißen (z.B. Ultraschallschweißen) an dem Hauptgehäuseabschnitt befestigt sein. Das Dichtungsventilsystem 20 kann vorteilhafterweise aus einem elastomeren Material gefertigt sein, das als ein einzelnes Element durch Spritzguss in den Hauptgehäuseabschnitt des Stators geformt wird. Die Montage der Bauteile des Ausgabesystems kann für eine sehr preisgünstige Montage vorteilhafterweise im Prinzip oder nur durch Einsetzen der Bauteile in axialer Richtung A vorgenommen werden. Der Rotor kann vorteilhafterweise durch axiales Einsetzen in den Hauptgehäuseabschnitt des Stators und das Dichtungsventilsystem 20, gefolgt von dem Aufpressen des Kappenabschnitts über das offene Ende des Hauptkörperabschnitts, bis die Zungen 38 auf den Kappenabschnitt aufgeklipst und verriegelt sind, sowie durch Einsetzen und Anbringen des Ausgabesprühkopfes auf dem Auslassende 19 des Rotors aufgebaut werden.In the illustrated embodiment, the
Der Rotor kann durch einen elektrischen Antrieb drehend angetrieben werden, der zum Beispiel Elektromagnete 64 in dem Stator (siehe
Die Erfindung kann vorteilhafterweise zur Erzeugung von radial oder konisch verteilten Sprays von Fluid, wie Flüssigkeiten, genutzt werden. TensideThe invention can be used advantageously to produce radially or conically distributed sprays of fluid, such as liquids. surfactants
Das Fluid umfasst wenigstens ein Tensid, bevorzugt in einer Konzentrartion von 0,1-30 Gew.-%, insbesondere bevorzugt zwischen 0,5-20 Gew.-%, ganz besonders bevorzugt zwischen 1-15 Gew.%. Es hat sich gezeigt, dass die Verwendung eines tensidhaltigen Fluids mehrere positive Effekte in Verbindung mit der Pumpe aufweist. Zum einen kann eine deutliche Verminderung der Geräuschentwicklung der Pumpe beobachtet werden. Ferner ist eine geringere Reibung der beweglichen Pumpenteile zu beobachten, was zu einem geringeren Energiebedarf beim Betrieb der Pumpe und einem geringeren Verschleiß führt.The fluid comprises at least one surfactant, preferably in a concentration of 0.1-30% by weight, more preferably between 0.5-20% by weight, most preferably between 1-15% by weight. It has been found that the use of a surfactant-containing fluid has several positive effects in connection with the pump. On the one hand, a significant reduction in the noise of the pump can be observed. Furthermore, a lower friction of the movable pump parts is observed, which leads to a lower energy consumption during operation of the pump and less wear.
Erfindungsgemäß bevorzugt sind dabei insbesondere anionische Tenside, wie z.B. (lineare) Alkylbenzolsulfonate, Fettalkoholsulfate oder Alkansulfonate usw., vorzugsweise in Mengen von z.B. 0,1 bis 30 Gew.-%, und/oder nichtionische Tenside, wie z.B. Alkylpolyglykolether, Alkylpolyglucoside oder Aminoxide usw., vorzugsweise in Mengen von z.B. 0,1 bis 30 Gew.-%, jeweils bezogen auf das gesamte Mittel.Particularly preferred according to the invention are anionic surfactants, e.g. (linear) alkylbenzenesulfonates, fatty alcohol sulfates or alkanesulfonates etc., preferably in amounts of e.g. 0.1 to 30% by weight, and / or nonionic surfactants, such as e.g. Alkyl polyglycol ethers, alkyl polyglucosides or amine oxides, etc., preferably in amounts of e.g. 0.1 to 30 wt .-%, each based on the total agent.
Das Fluid kann auch kationische Tenside enthalten, z.B. in Mengen von 0,01 Gew.-% oder 0,05 Gew.-% bis 30 Gew.-%. Es entspricht aber einer bevorzugten Ausführungsform, wenn Fluid kationtensidfrei ist, was hier bedeutet, dass das Fluid weniger als 10 Gew.-%, vorzugsweise weniger als 5 Gew.-%, vorteilhafterweise weniger als 3 Gew.-%, in vorteilhafterer Weise weniger als 1 Gew.-%, in noch vorteilhafter Weise weniger als 0,5 Gew.-%, insbesondere 0 Gew.-% Kationtensid enthält.The fluid may also contain cationic surfactants, e.g. in amounts of 0.01% by weight or 0.05% by weight to 30% by weight. However, it is a preferred embodiment when fluid is cationic surfactant, which means that the fluid is less than 10% by weight, preferably less than 5% by weight, advantageously less than 3% by weight, more preferably less than 1 wt .-%, more preferably less than 0.5 wt .-%, in particular 0 wt .-% cationic surfactant.
Es ist ferner ganz besonders bevorzugt, die Pumpe, den Ausgabesprühkopf sowie das Fluid so zu konfigurieren, dass beim Versprühen des Fluids aus dem Ausgabesprühkopf ein Schaum gebildet wird. Dies wird der Fachmann durch eine geeignete Wahl der Tensidkonzentration im Fluid, sowie Ausbildung des Ausgabesprühkopfs und des Pumpendrucks ausgestalten.It is also very particularly preferred to configure the pump, the dispensing spray head and the fluid such that a foam is formed as the fluid is sprayed from the dispensing spray head. The skilled person will configure this by a suitable choice of the surfactant concentration in the fluid, as well as the design of the dispensing spray head and of the pump pressure.
Ferner ist es vorteilhaft, dass die Viskosität des Fluids zwischen 1mPas und 5.000mPas, bevorzugt zwischen 10 und 1.000 mPas bei einer Scherrate von 30 s-1 und einer Temperatur von 25°C auf. Die Viskosität des Fluids kann mit üblichen Standardmethoden (beispielsweise Brookfield-Viskosimeter RVD-VII bei 20 U/min und 20°C, Spindel 3) gemessen werden.Further, it is advantageous that the viscosity of the fluid between 1mPas and 5,000mPas, preferably between 10 and 1,000 mPas at a shear rate of 30 s -1 and a temperature of 25 ° C. The viscosity of the fluid can be measured by conventional standard methods (for example Brookfield Viscometer RVD-VII at 20 rpm and 20 ° C., spindle 3).
Das Fluid kann in weiteren vorteilhaften Ausbildungen der Erfindung weitere Bestandteile umfassen, die nachfolgend aufgeführt werden.In further advantageous embodiments of the invention, the fluid may comprise further constituents, which are listed below.
Das Fluid kann bevorzugt einen oder mehrere Duftstoffe enthalten, vorzugsweise in einer Menge von 0,01 bis 15 Gew.-%, insbesondere 0,05 bis 10 Gew.-%, besonders bevorzugt 0,1 bis 8 Gew.-%. Als eine Parfümkomponente kann dabei d-Limonen enthalten sein. In einer besonders bevorzugten Ausführungsform enthält die Zusammensetzung dabei ein Parfüm aus ätherischen Ölen (auch als essentielle Öle bezeichnet). Als solche sind beispielsweise Pine-, Citrus-, Jasmin-, Patchouly-, Rosen- oder Ylang-Ylang-Öl im Sinne dieser Erfindung einsetzbar. Ebenfalls geeignet sind Muskateller-Salbeiöl, Kamillenöl, Lavendelöl, Nelkenöl, Melissenöl, Minzöl, Zimtblätteröl, Lindenblütenöl, Wacholderbeeröl, Vetiveröl, Olibanumöl, Galbanumöl und Labdanumöl sowie Orangenblütenöl, Neroliol, Orangenschalenöl und Sandelholzöl.The fluid may preferably contain one or more perfumes, preferably in an amount of 0.01 to 15 wt .-%, in particular 0.05 to 10 wt .-%, particularly preferably 0.1 to 8 wt .-%. As a perfume component, d-limonene may be contained. In a particularly preferred embodiment, the composition contains a perfume of essential oils (also referred to as essential oils). Pine, citrus, jasmine, patchouly, rose or ylang-ylang oil, for example, can be used as such in the context of this invention. Also suitable are Muskateller sage oil, chamomile oil, lavender oil, clove oil, balm oil, mint oil, cinnamon oil, lime blossom oil, juniper berry oil, vetiver oil, olibanum oil, galbanum oil and labdanum oil and orange blossom oil, neroliol, orange peel oil and sandalwood oil.
Haftfeste Riechstoffe, die im Rahmen der vorliegenden Erfindung vorteilhafterweise in den Parfümölen einsetzbar sind, sind beispielsweise die ätherischen Öle wie Angelikawurzelöl, Anisöl, Arnikablütenöl, Basilikumöl, Bayöl, Champacablütenöl, Edeltannenöl, Edeltannenzapfenöl, Elemiöl, Eukalyptusöl, Fenchelöl, Fichtennandelöl, Galbanumöl, Geraniumöl, Gingergrasöl, Guajakholzöl, Gurjunbalsamöl, Helichrysumöl, Ho-Öl, Ingweröl, Irisöl, Kajeputöl, Kalmusöl, Kamillenöl, Kampferöl, Kanagaöl, Kardamomenöl, Kassiaöl, Kiefernnadelöl, Kopaïvabalsamöl, Korianderöl, Krauseminzeöl, Kümmelöl, Kuminöl, Lemongrasöl, Moschuskörneröl, Myrrhenöl, Nelkenöl, Neroliöl, Niaouliöl, Olibanumöl, Origanumöl, Palmarosaöl, Patschuliöl, Perubalsamöl, Petitgrainöl, Pfefferöl, Pfefferminzöl, Pimentöl, Pine-Öl, Rosenöl, Rosmarinöl, Sandelholzöl, Sellerieöl, Sternanisöl, Thujaöl, Thymianöl, Verbenaöl, Vetiveröl, Wacholderbeeröl, Wermutöl, Wintergrünöl, Ylang -Ylang-Öl, Ysop-Öl, Zimtöl, Zimtblätteröl sowie Zypressenöl.Adhesive-resistant fragrances which are advantageously usable in the perfume oils in the context of the present invention are, for example, the essential oils such as angelica root oil, aniseed oil, arnica blossom oil, basil oil, Bay oil, Champacablütenöl, Edeltannenöl, Edeltannenzapfen oil, Elemiöl, eucalyptus oil, fennel oil, spruce alder oil, galbanum oil, geranium oil, Ginger Grass Oil, Guajac Wood Oil, Gurjun Balm Oil, Helichrysum Oil, Ho Oil, Ginger Oil, Iris Oil, Cajeput Oil, Calam Oil, Camomile Oil, Camphor Oil, Kanaga Oil, Cardamom Oil, Cassia Oil, Pine Needle Oil, Kopaïva Balsam Oil, Coriander Oil, Spearmint Oil, Cumin Oil, Cumin Oil, Lemongrass Oil, Musk Grain Oil, Myrrh Oil, Clove Oil, Neroli oil, Niaouli oil, Olibanum oil, Origanum oil, Palmarosa oil, Patchouli oil, Peru balsam oil, Petitgrain oil, Pepper oil, Peppermint oil, Pimento oil, Pine oil, Rose oil, Rosemary oil, Sandalwood oil, Celery oil, Star aniseed oil, Thuja oil, Thyme oil, Verbena oil, Vetiver oil, Juniper berry oil, Vermouth oil, Wintergreen l, ylang-ylang oil, hyssop oil, cinnamon oil, cinnamon leaf oil and cypress oil.
Aber auch die höhersiedenden bzw. festen Riechstoffe natürlichen oder synthetischen Ursprungs können im Rahmen der vorliegenden Erfindung vorteilhafterweise als haftfeste Riechstoffe bzw. Riechstoffgemische in den Parfümölen eingesetzt werden. Zu diesen Verbindungen zählen die nachfolgend genannten Verbindungen sowie Mischungen aus diesen: Ambrettolid, α-Amylzimtaldehyd, Anethol, Anisaldehyd, Anisalkohol, Anisol, Anthranilsäuremethylester, Acetophenon, Benzylaceton, Benzaldehyd, Benzoesäureethylester, Benzophenon, Benzylakohol, Borneol, Bornylacetat, α-Bromstyrol, n-Decylaldehyd, n-Dodecyl-aldehyd, Eugenol, Eugenolmethylether, Eukalyptol, Farnesol, Fenchon, Fenchylacetat, Geranylacetat, Geranylformiat, Heliotropin, Heptincarbonsäuremethylester, Heptaldehyd, Hydrochinon-Di-methylether, Hydroxyzimtaldehyd, Hydroxyzimtalkohol, Indol, Iron, Isoeugenol, Isoeugenolmethylether, Isosafrol, Jasmon, Kampfer, Karvakrol, Karvon, p- Kresolmethyl-ether, Cumarin, p-Methoxyacetophenon, Methyl-n-amylketon, Methylanthranilsäuremethylester, p-Methylacetophenon, Methylchavikol, p-Methylchinolin, Methyl-β-naphthylketon, Methyl-n-nonylacetaldehyd, Methyl-n-nonylketon, Muskon, β-Naphtholethylether, β-Naphthol-methylether, Nerol, Nitrobenzol, n-Nonylaldehyd, Nonylakohol, n-Octylaldehyd, p-Oxy-Acetophenon, Pentadekanolid, β-Phenylethylakohol, Phenylacetaldehyd-Dimethylacetal, Phenylessigsäure, Pulegon, Safrol, Salicylsäureisoamylester, Salicylsäuremethylester, Salicylsäurehexylester, Salicylsäurecyclohexylester, Santalol, Skatol, Terpineol, Thymen, Thymol, γ-Undelacton, Vanilin, Veratrumaldehyd, Zimtaldehyd, Zimtalkohol, Zimtsäure, Zimtsäureethylester, Zimtsäurebenzylester.But the higher-boiling or solid fragrances of natural or synthetic origin can be used in the context of the present invention advantageously as adherent fragrances or fragrance mixtures in the perfume oils. These compounds include the following compounds and mixtures thereof: ambrettolide, α-amylcinnamaldehyde, anethole, anisaldehyde, anisalcohol, anisole, methyl anthranilate, acetophenone, benzylacetone, benzaldehyde, ethyl benzoate, benzophenone, benzyl alcohol, borneol, bornyl acetate, α-bromostyrene, n -Decyl aldehyde, n-dodecyl aldehyde, eugenol, eugenol methyl ether, eucalyptol, farnesol, fenchone, fenchyl acetate, geranyl acetate, geranyl formate, heliotropin, heptincarboxylic acid methyl ester, heptaldehyde, hydroquinone dimethyl ether, hydroxycinnamaldehyde, hydroxycinnamyl alcohol, indole, iron, isoeugenol, isoeugenol methyl ether, isosafrole , Jasmon, camphor, Karvakrol, Karvon, p-cresolmethyl ether, coumarin, p-methoxyacetophenone, methyl n-amyl ketone, methyl anthranilate, p-methylacetophenone, methylchavikole, p-methylquinoline, methyl-β-naphthyl ketone, methyl-n-nonylacetaldehyde , Methyl n-nonyl ketone, Muscone, β-naphthol ethyl ether, β-naphthol methyl ether, nerol, nitrobenzene, n-nonyl aldehyde, nonyl alcohol, n-octyl aldehyde, p-oxy acetophenone, pentadecanolide, β-phenylethyl alcohol, phenyl acetaldehyde dimethyl acetal, phenylacetic acid, pulegone, safrole, salicylic acid isoamyl ester, Methyl salicylate, hexyl salicylate, cyclohexyl salicylate, santalol, skatole, terpineol, thymes, thymol, γ-undelactone, vaniline, veratrum aldehyde, cinnamaldehyde, cinnamyl alcohol, cinnamic acid, ethyl cinnamate, cinnamic acid cinnamate.
Zu den leichter flüchtigen Riechstoffen, die im Rahmen der vorliegenden Erfindung in den Parfümölen vorteilhaft einsetzbar sind, zählen insbesondere die niedriger siedenden Riechstoffe natürlichen oder synthetischen Ursprung, die allein oder in Mischungen eingesetzt werden können. Beispiele für leichter flüchtige Riechstoffe sind Alkyisothiocyanate (Alkylsenföle), Butandion, Limonen, Linalool, Linaylacetat und -propionat, Menthol, Menthon, Methyl-n-heptenon, Phellandren, Phenylacetaldehyd, Terpinylacetat, Citral, Citronellal.Among the more volatile fragrances, which are advantageously used in the perfume oils in the present invention include in particular the lower-boiling fragrances natural or synthetic origin, which can be used alone or in mixtures. Examples of more volatile fragrances are alkyl isothiocyanates (alkyl mustard oils), butanedione, limonene, linalool, linayl acetate and propionate, menthol, menthone, methyl-n-heptenone, phellandrene, phenylacetaldehyde, terpinyl acetate, citral, citronellal.
Es hat sich gezeigt, dass durch die Verwendung von Parfum, insbesondere von Parfumölen, im von der erfindungsgemäßen Pumpe geförderten Fluids, die Laufruhe der Pumpe weiter erhöht und der Verschleiß wie auch der Energieverbrauch weiter reduziert werden kann.It has been found that by the use of perfume, in particular of perfume oils, in the pumped by the pump according to the invention fluids, the smoothness of the pump further increased and the wear and the energy consumption can be further reduced.
Eine besondere Form der Reinigung stellen die Desinfektion und die Sanitation dar. In einer entsprechenden besonderen Ausführungsform der Erfindung enthält das Fluid daher einen oder mehrere antimikrobielle Wirkstoffe, vorzugsweise in einer Menge von bis zu 40 Gew.-%, bevorzugt 0,01 bis 25 Gew.-%, insbesondere 0,1 bis 5 Gew.-%.A particular form of cleaning is disinfection and sanitation. In a corresponding particular embodiment of the invention, the fluid therefore contains one or more antimicrobial agents, preferably in an amount of up to 40% by weight, preferably 0.01 to 25% by weight .-%, in particular 0.1 to 5 wt .-%.
Die Begriffe Desinfektion, Sanitation, antimikrobielle Wirkung und antimikrobieller Wirkstoff haben im Rahmen der erfindungsgemäßen Lehre die fachübliche Bedeutung. Während Desinfektion im engeren Sinne der medizinischen Praxis die Abtötung von - theoretisch allen - Infektionskeimen bedeutet, ist unter Sanitation die möglichst weitgehende Eliminierung aller - auch der für den Menschen normalerweise unschädlichen saprophytischen - Keime zu verstehen. Hierbei ist das Ausmaß der Desinfektion bzw. Sanitation von der antimikrobiellen Wirkung des angewendeten Mittels abhängig, die mit abnehmendem Gehalt an antimikrobiellem Wirkstoff bzw. zunehmender Verdünnung des Mittels zur Anwendung abnimmt.The terms disinfection, sanitation, antimicrobial action and antimicrobial agent have the usual meaning within the scope of the teaching according to the invention. While disinfection in the narrower sense of the medical practice means the killing of - in theory all - infectious germs, sanitation is to be understood as the greatest possible elimination of all - including the saprophytic - normally harmless to humans saprophytic - germs. Here, the extent of disinfection or sanitation depends on the antimicrobial effect of the applied agent, which decreases with decreasing content of antimicrobial agent or increasing dilution of the agent for use.
Erfindungsgemäß geeignet sind beispielsweise antimikrobielle Wirkstoffe aus den Gruppen der Alkohole, Aldehyde, antimikrobiellen Säuren bzw. deren Salze, Carbonsäureester, Säureamide, Phenole, Phenolderivate, Diphenyle, Diphenylalkane, Harnstoffderivate, Sauerstoff-, Stickstoff-Acetale sowie -Formale, Benzamidine, Isothiazole und deren Derivate wie Isothiazoline und Isothiazolinone, Phthalimidderivate, Pyridinderivate, antimikrobiellen oberflächenaktiven Verbindungen, Guanidine, antimikrobiellen amphoteren Verbindungen, Chinoline, 1,2-Dibrom-2,4-dicyanobutan, Iodo-2-propynyl-butyl-carbamat, lod, lodophore, Aktivchlor abspaltenden Verbindungen und Peroxide. Bevorzugte antimikrobielle Wirkstoffe werden vorzugsweise ausgewählt aus der Gruppe umfassend 1,3-Butandiol, Phenoxyethanol, 1,2-Propylenglykol, Glycerin, Undecylensäure, Citronensäure, Milchsäure, Benzoesäure, Salicylsäure, Thymol, 2-Benzyl-4-chlorphenol, 2,2'-Methylen-bis-(6-brom-4-chlorphenol), 2,4,4'-Trichlor-2'-hydroxydiphenylether, N-(4-Chlorphenyl)-N-(3,4-dichlorphenyl)-harnstoff, N,N'-(1,10-decandiyldi-1-pyridinyl-4-yliden)-bis-(1-octanamin)-dihydrochlorid, N,N'-Bis-(4-Chlorphenyl)-3,12-diimino-2,4,11,13-tetraazatetradecandiimidamid, antimikrobielle quaternäre oberflächenaktive Verbindungen, Guanidine, Trichloroisocyanursäure und Natrium-Dichlorisocyanurat (DCl, 1,3-Dichlor-5H-1,3,5-triazin-2,4,6-trion Natriumsalz). Bevorzugte antimikrobiell wirkende oberflächenaktive quaternäre Verbindungen enthalten eine Ammonium-, Sulfonium-, Phosphonium-, Jodonium- oder Arsoniumgruppe. Weiterhin können auch antimikrobiell wirksame ätherische Öle eingesetzt werden, die gleichzeitig für eine Beduftung des Reinigungsmittels sorgen. Besonders bevorzugte antimikrobielle Wirkstoffe sind jedoch ausgewählt aus der Gruppe umfassend Salicylsäure, quaternäre Tenside, insbesondere Benzalkoniumchlorid, PeroxoVerbindungen, insbesondere Natriumpercarbonat oder Phthalimidoperoxyhexanoic acid, Alkalimetallhypochlorit, Trichloroisocyanursäure, Natriumdichlorisocyanurat sowie Gemische derselben.According to the invention, for example, antimicrobial agents from the groups of alcohols, aldehydes, antimicrobial acids or their salts, carboxylic acid esters, acid amides, phenols, phenol derivatives, diphenyls, diphenylalkanes, urea derivatives, oxygen, nitrogen acetals as well as -Formals, benzamidines, isothiazoles and their derivatives such as isothiazolines and isothiazolinones, phthalimide derivatives, pyridine derivatives, antimicrobial surface-active compounds, guanidines, antimicrobial amphoteric compounds, quinolines, 1,2-dibromo-2,4-dicyanobutane, iodo-2-propynyl-butyl carbamate, iodine, iodophores, active chlorine releasing compounds and peroxides. Preferred antimicrobial agents are preferably selected from the group comprising 1,3-butanediol, phenoxyethanol, 1,2-propylene glycol, glycerol, undecylenic acid, citric acid, lactic acid, benzoic acid, salicylic acid, thymol, 2-benzyl-4-chlorophenol, 2,2 '. -Methylene bis (6-bromo-4-chlorophenol), 2,4,4'-trichloro-2'-hydroxydiphenyl ether, N- (4-chlorophenyl) -N- (3,4-dichlorophenyl) -urea, N , N '- (1,10-decanediyldi-1-pyridinyl-4-ylidene) bis (1-octanamine) dihydrochloride, N, N'-bis (4-chlorophenyl) -3,12-diimino-2 , 4,11,13-tetraazatetradecandiimidamide, antimicrobial quaternary surface active compounds, guanidines, trichloroisocyanuric acid and sodium dichloroisocyanurate (DCI, 1,3-dichloro-5H-1,3,5-triazine-2,4,6-trione sodium salt). Preferred antimicrobial surface-active quaternary compounds contain an ammonium, sulfonium, phosphonium, iodonium or arsonium group. Furthermore, antimicrobially effective essential oils can be used, which at the same time provide for a scenting of the cleaning agent. However, particularly preferred antimicrobial active ingredients are selected from the group comprising salicylic acid, quaternary surfactants, in particular benzalkonium chloride, peroxo compounds, in particular sodium percarbonate or phthalimidoperoxyhexanoic acid, alkali metal hypochlorite, trichloroisocyanuric acid, sodium dichloroisocyanurate and mixtures thereof.
Die Verwendung eines antimikrobiellen Wirkstoffs im von der Pumpe geförderten Fluids ist dahingehend von Vorteil, als das bei längerem Stillstand der Pumpe ein mikrobieller Belag auf den Pumpenoberflächen verhindert wird und so keine Reibungsverluste oder Verstopfungen zu erwarten sind.The use of an antimicrobial agent in the fluid delivered by the pump is advantageous in that, when the pump is at a standstill for a long time, a microbial deposit on the pump surfaces is prevented and thus no frictional losses or blockages are to be expected.
Erfindungsgemäß können Bleichmittel dem Fluid zugesetzt werden. Geeignete Bleichmittel umfassen Peroxide, Persäuren und/oder Perborate, besonders bevorzugt ist Natriumpercarbonat oder Phthalimidoperoxyhexanoic acid. Chlorhaltige Bleichmittel wie Trichlorisocyanursäure oder Natriumdichlorisocyanurat sind dagegen bei sauer formulierten Reinigungsmitteln aufgrund der Freisetzung giftiger Chlorgas-Dämpfe weniger geeignet, können jedoch in alkalisch eingestellten Reinigungsmitteln eingesetzt werden. Unter Umständen kann neben dem Bleichmittel auch ein Bleichaktivator vonnöten sein.According to the invention, bleaching agents can be added to the fluid. Suitable bleaching agents include peroxides, peracids and / or perborates, more preferably sodium percarbonate or phthalimidoperoxyhexanoic acid. On the other hand, chlorine-containing bleaching agents, such as trichloroisocyanuric acid or sodium dichloroisocyanurate, are less suitable for acidic detergents due to the release of toxic chlorine gas vapors, but can be used in alkaline cleaning agents. Under certain circumstances, a bleach activator may be required in addition to the bleaching agent.
Geeignete Korrosionsinhibitoren (INCI Corrosion Inhibitors) sind beispielsweise folgende gemäß INCl benannte Substanzen: Cyclohexylamine, Diammonium Phosphate, Dilithium Oxalate, Dimethylamino Methylpropanol, Dipotassium Oxalate, Dipotassium Phosphate, Disodium Phosphate, Disodium Pyrophosphate, Disodium Tetrapropenyl Succinate, Hexoxyethyl Diethylammonium, Phosphate, Nitromethane, Potassium Silicate, Sodium Aluminate, Sodium Hexametaphosphate, Sodium Metasilicate, Sodium Molybdate, Sodium Nitrite, Sodium Oxalate, Sodium Silicate, Stearamidopropyl Dimethicone, Tetrapotassium Pyrophosphate, Tetrasodium Pyrophosphate, Triisopropanolamine.Suitable corrosion inhibitors ( INCI Corrosion Inhibitors) are, for example, the following named according to INCl substances: cyclohexylamine, diammonium phosphates, dilithium oxalates, dimethylamino Methylpropanol, Dipotassium Oxalate, Dipotassium Phosphate, Disodium Phosphate, Disodium Pyrophosphate, Disodium Tetrapropenyl Succinate, Hexoxyethyl Diethylammonium, Phosphate, Nitromethane, Potassium Silicate, Sodium Aluminate, Sodium Hexametaphosphate, Sodium Metasilicate, Sodium Molybdate, Sodium Nitrites, Sodium Oxalate, Sodium Silicate, Stearamidopropyl Dimethicones, tetrapotassium pyrophosphates, tetrasodium pyrophosphates, triisopropanolamines.
Das Fluid kann auch Enzyme enthalten, vorzugsweise Proteasen, Lipasen, Amylasen, Hydrolasen und/oder Cellulasen. Sie können dem erfindungsgemäßen Mittel in jeder nach dem Stand der Technik etablierten Form zugesetzt werden. Hierzu gehören Lösungen der Enzyme, vorteilhafterweise möglichst konzentriert, wasserarm und/oder mit Stabilisatoren versetzt. Alternativ können die Enzyme verkapselt werden, beispielsweise durch Sprühtrocknung oder Extrusion der Enzymlösung zusammen mit einem, vorzugsweise natürlichen, Polymer oder in Form von Kapseln, beispielsweise solchen, bei denen die Enzyme wie in einem erstarrten Gel eingeschlossen sind oder in solchen vom Kern-Schale-Typ, bei dem ein enzymhaltiger Kern mit einer Wasser-, Luft- und/oder Chemikalien-undurchlässigen Schutzschicht überzogen ist. In aufgelagerten Schichten können zusätzlich weitere Wirkstoffe, beispielsweise Stabilisatoren, Emulgatoren, Pigmente, Bleich- oder Farbstoffe aufgebracht werden. Derartige Kapseln werden nach an sich bekannten Methoden, beispielsweise durch Schüttel- oder Rollgranulation oder in Fluid-bed-Prozessen aufgebracht. Vorteilhafterweise sind derartige Granulate, beispielsweise durch Aufbringen polymerer Filmbildner, staubarm und aufgrund der Beschichtung lagerstabil.
Weiterhin können in enzymhaltigen Mitteln Enzymstabilisatoren vorhanden sein, um ein in einem Fluid enthaltenes Enzym vor Schädigungen wie beispielsweise Inaktivierung, Denaturierung oder Zerfall etwa durch physikalische Einflüsse, Oxidation oder proteolytische Spaltung zu schützen. Als Enzymstabilisatoren sind, jeweils in Abhängigkeit vom verwendeten Enzym, insbesondere geeignet: Benzamidin-Hydrochlorid, Borax, Borsäuren, Boronsäuren oder deren Salze oder Ester, vor allem Derivate mit aromatischen Gruppen, etwa substituierte Phenylboronsäuren beziehungsweise deren Salze oder Ester; Peptidaldehyde (Oligopeptide mit reduziertem C-Terminus), Aminoalkohole wie Mono-, Di-, Triethanol- und -Propanolamin und deren Mischungen, aliphatische Carbonsäuren bis zu C12, wie Bernsteinsäure, andere Dicarbonsäuren oder Salze der genannten Säuren; endgruppenverschlossene Fettsäureamidalkoxylate; niedere aliphatische Alkohole und vor allem Polyole, beispielsweise Glycerin, Ethylenglykol, Propylenglykol oder Sorbit; sowie Reduktionsmittel und Antioxidantien wie Natriumsulfit und reduzierende Zucker. Weitere geeignete Stabilisatoren sind aus dem Stand der Technik bekannt. Bevorzugt werden Kombinationen von Stabilisatoren verwendet, beispielsweise die Kombination aus Polyolen, Borsäure und/oder Borax, die Kombination von Borsäure oder Borat, reduzierenden Salzen und Bernsteinsäure oder anderen Dicarbonsäuren oder die Kombination von Borsäure oder Borat mit Polyolen oder Polyaminoverbindungen und mit reduzierenden Salzen.The fluid may also contain enzymes, preferably proteases, lipases, amylases, hydrolases and / or cellulases. They can be added to the composition according to the invention in any form established according to the prior art. These include solutions of the enzymes, preferably concentrated as possible, low in water and / or added with stabilizers. Alternatively, the enzymes can be encapsulated, for example by spray drying or extrusion of the enzyme solution together with a, preferably natural, polymer or in the form of capsules, for example those in which the enzymes are entrapped as in a solidified gel or in core-shelled form. Type in which an enzyme-containing core is coated with a water, air and / or chemical impermeable protective layer. In deposited layers, further active ingredients, for example stabilizers, emulsifiers, pigments, bleaches or dyes, may additionally be applied. Such capsules are applied by methods known per se, for example by shaking or rolling granulation or in fluid-bed processes. Advantageously, such granules, for example by applying polymeric film-forming agent, low in dust and storage stable due to the coating.
In addition, enzyme stabilizers may be present in enzyme-containing agents to protect an enzyme contained in a fluid from damage such as inactivation, denaturation or degradation, such as by physical influences, oxidation or proteolytic cleavage. Suitable enzyme stabilizers, in each case depending on the enzyme used, are in particular: benzamidine hydrochloride, borax, boric acids, boronic acids or their salts or esters, especially derivatives with aromatic groups, for example substituted phenylboronic acids or their salts or esters; Peptide aldehydes (oligopeptides with reduced C-terminus), amino alcohols such as mono-, di-, triethanol- and -propanolamine and mixtures thereof, aliphatic carboxylic acids up to C 12 , such as succinic acid, other dicarboxylic acids or salts of said acids; end-capped fatty acid amide alkoxylates; lower aliphatic alcohols and especially polyols, for example glycerol, ethylene glycol, propylene glycol or sorbitol; and reducing agents and antioxidants such as sodium sulfite and reducing sugars. Other suitable stabilizers are known in the art. Preference is given to using combinations of stabilizers, for example the combination of polyols, boric acid and / or borax, the combination of boric acid or borate, reducing salts and succinic acid or other dicarboxylic acids or the combination of boric acid or borate with polyols or polyamino compounds and with reducing salts.
Die Verwendung einer hier beschriebenen Pumpe in einem Fluidausgabesystem ist aus einer Reihe von Gründen besonders vorteilhaft. Zunächst kann die Pumpe bei Unterdruck Fluid von einem Behälter abziehen, mit anderen Worten ein partielles Volumen schaffen, wodurch das in dem Behälter enthaltene Fluid herausgezogen werden kann, ohne das Volumen von ausgegebenem Fluid, das aus dem Behälter austritt, durch Umgebungsluft zu ersetzen. Die Menge an ausgegebenem Fluid hängt nur von der Anzahl an von dem Rotor der Pumpe ausgeführten Umdrehungen ab, und nicht von dem Druckunterschied zwischen dem Fluidbehälter und dem Umgebungsdruck, und auch nicht von dem Strömungswiderstand von ausgegebenem Fluid in der Pumpe oder der Auslassdüse. Das Ausgabesystem gemäß dieser Erfindung kann sehr kleine Mengen an Fluid fein gesteuert und sehr gleichmäßig verteilt um und radial nach außen von dem Sprühkopf versprühen. Die bei der vorliegenden Erfindung verwendete Pumpe ermöglicht auch eine genaue Dosierung des ausgegebenen Fluids und macht Ventile überflüssig, da die Pumpe selber eine Ventilfunktion beinhaltet.The use of a pump described herein in a fluid dispensing system is particularly advantageous for a number of reasons. First, under negative pressure, the pump may draw fluid from a reservoir, in other words create a partial volume whereby the fluid contained within the reservoir may be withdrawn without replacing the volume of fluid dispensed from the reservoir with ambient air. The amount of fluid dispensed depends only on the number of revolutions made by the rotor of the pump, not on the pressure difference between the fluid container and the ambient pressure, nor on the flow resistance of fluid dispensed in the pump or the outlet nozzle. The dispensing system of this invention is capable of finely controlled and very uniformly distributed very small amounts of fluid sprayed radially outward from the spray head. The pump used in the present invention also allows accurate metering of the dispensed fluid and eliminates the need for valves because the pump itself has a valve function.
Die Pumpe ist insbesondere dazu geeignet, zum Versprühen von Fluiden mit einer Reinigungs- und/oder Duftfunktion vorgesehen zu sein. Beispielsweise kann die Pumpe Bestandteil eines WC-Reinigungssystems sein, bei dem der Sprühstrahl des Fluides den gesamten Innenbereich eines Toilettenbeckens erfasst. Ferner ist es denkbar, die erfindungsgemäße Pumpe zur Dosierung von Fluiden in maschinellen Spül- und/oder Waschmaschinen vorzusehen.The pump is particularly suitable to be provided for spraying fluids with a cleaning and / or fragrance function. For example, the pump may be part of a toilet cleaning system in which the spray of the fluid covers the entire interior of a toilet bowl. Furthermore, it is conceivable to provide the pump according to the invention for metering fluids in automatic dishwashing and / or washing machines.
Claims (19)
- A method for dispensing a fluid by means of a fluid dispensing system comprising a pump (4) and a dispensing spray head having at least one nozzle through which the fluid to be dispensed exits, wherein the pump (4) comprises a stator (14) and a rotor (12) that is attached in the chamber of the stator and that can rotate relative to the stator (14) about an axis of rotation (Ar) and is axially displaceable along the axis (Ar), wherein the axial displacement of the rotor is configured in a first axial direction (A1) such that it produces a pump filling function, in which the fluid is drawn into the stator chamber through an inlet (8), and in a second, opposite axial direction (A2) such that it produces a dispensing function, in which the fluid in the chamber is expelled through an outlet (10) of the pump, wherein the outlet of the pump is arranged in the rotor and the dispensing spray head is in fluid communication with the outlet of the pump and is arranged either on or adjoining an axial outlet end (19) of the rotor, wherein the dispensing spray head is configured such that at least some of the fluid is expelled in a radial direction (R) around the axis of rotation, wherein the fluid comprises at least one surfactant in a concentration of from 0.1 to 30 wt.%.
- The method according to claim 1, wherein the rotor comprises a first and second axial extension (17a, 17b) of different diameters that are arranged in corresponding first and second portions of the stator chamber (18a, 18b), and comprises first and second seals (20a, 20b) that are attached in the stator housing and that sealingly surround the first and second axial rotor extensions, wherein the rotor extensions comprise fluid supply channels (22a, 22b) that, in conjunction with the respective sealing rings, serve as valves that open and close a connection between the inlet (8) of the pump and the chamber portions or between the chamber portions and the outlet (10) of the pump, depending on the angular displacement of the pump rotor.
- The method according to claim 2, wherein the outlet of the pump is arranged in the second axial rotor extension and the second axial rotor extension has a diameter (D2) that is smaller than the diameter (D1) of the first axial rotor extension.
- The method according to one of the preceding claims, wherein the outlet (10) of the pump emerges from the axial outlet end (19) of the rotor.
- The method according to one of the preceding claims, wherein the dispensing spray head is immovably attached to the axial outlet end of the rotor or extends therefrom and rotates together with the rotor.
- The method according to claim 5, wherein the dispensing spray head is attached to the axial outlet end of the rotor in the form of a separate component.
- The method according to claim 5 or claim 6, wherein the dispensing spray head has a diameter (D3) that is greater than the diameter of the axial outlet end of the rotor.
- The method according to claim 5 or claim 6, wherein the dispensing spray head has a diameter that is equal to or less than the diameter of the axial outlet end of the rotor.
- The method according to one of the preceding claims, wherein the dispensing spray head comprises a plurality of nozzles that are arranged at one or more angles (α) in relation to the radial direction (R), wherein -80° < α < +90°, preferably wherein -60° < α < +90°.
- The method according to the preceding claim, wherein the plurality of nozzles are all arranged at the same angle in relation to the radial direction (R).
- The method according to claim 9, wherein certain nozzles among the plurality of nozzles are arranged at different angles in relation to the radial direction (R).
- The method according to one of the preceding claims, wherein the axial outlet end (19) of the rotor extends outside the stator.
- The method according to one of the preceding claims, wherein an angle of rotation of the pump output mode is in the range of from 60° to 120°.
- The method according to claim 13, wherein the angle of rotation of the pump output mode is approximately 90°.
- The method according to one of claims 1 to 4, wherein the dispensing spray head (56) is rigidly attached to an end wall of a housing of the stator adjacent to the outlet end (19) of the rotor arranged in the housing.
- The method according to claim 15, wherein the dispensing spray head comprises a flexible cap having a circumferential lip (60) that is prestressed in relation to the end wall of the stator housing and that can be displaced and/or deformed by the fluid pressure in order to define a spray nozzle together with the end wall of the stator housing.
- The method according to one of the preceding claims, wherein the rotor and the stator comprise complementary cam mechanisms (29a, 29b, 30a, 30b) that define the axial displacement of the rotor in opposing axial directions (A1, A2) depending on the angular displacement of the rotor.
- The method according to one of the preceding claims, wherein the fluid comprises one or more scents, particularly preferably at least one essential oil, preferably in an amount of from 0.01 to 15 wt.%, in particular 0.05 to 10 wt.%, particularly preferably 0.1 to 8 wt.%.
- The method according to one of the preceding claims, wherein the fluid contains one or more antimicrobial active ingredients, preferably in an amount of up to 40 wt.%, preferably 0.01 to 25 wt.%, in particular 0.1 to 5 wt.%.
Priority Applications (1)
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PL12713671T PL2761179T3 (en) | 2011-09-28 | 2012-03-30 | Method of discharging fluids |
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DE102011083579A DE102011083579B3 (en) | 2011-09-28 | 2011-09-28 | Fluid dispensing system |
PCT/EP2012/055747 WO2013045121A1 (en) | 2011-09-28 | 2012-03-30 | Fluid discharging system |
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EP2761179A1 EP2761179A1 (en) | 2014-08-06 |
EP2761179B1 true EP2761179B1 (en) | 2016-12-21 |
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JP (1) | JP6034870B2 (en) |
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CN108532699B (en) * | 2014-09-01 | 2020-07-28 | 萧县木伟信息科技有限公司 | Rotary toilet control valve |
EP3495658A1 (en) * | 2017-12-06 | 2019-06-12 | Sensile Medical AG | Micropump |
EP3499034B1 (en) * | 2017-12-12 | 2021-06-23 | Sensile Medical AG | Micropump with cam mechanism for axial displacement of rotor |
EP3505757A1 (en) | 2017-12-28 | 2019-07-03 | Sensile Medical AG | Micropump |
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DE602005009966D1 (en) * | 2005-12-28 | 2008-11-06 | Sensile Pat Ag | micropump |
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2012
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KR20140069050A (en) | 2014-06-09 |
US20180036750A1 (en) | 2018-02-08 |
WO2013045121A1 (en) | 2013-04-04 |
PL2761179T3 (en) | 2017-06-30 |
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