EP2761179B1 - Procédé de distribution de produit fluide - Google Patents

Procédé de distribution de produit fluide Download PDF

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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
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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
Application number
EP12713671.1A
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German (de)
English (en)
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EP2761179A1 (fr
Inventor
Daniel Frey
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Priority to PL12713671T priority Critical patent/PL2761179T3/pl
Publication of EP2761179A1 publication Critical patent/EP2761179A1/fr
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    • 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)
  • Reciprocating Pumps (AREA)
  • Nozzles (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Medicinal Preparation (AREA)

Claims (19)

  1. Procédé de délivrance d'un fluide par un système de délivrance de fluide, comportant une pompe (4) et une tête de pulvérisation comportant au moins une buse, à travers laquelle sort le fluide à distribuer, la pompe (4) présentant un stator (14) et un rotor (12) installé dans une chambre du stator, orientable par rapport au stator (14) autour d'un axe de rotation (Ar) et déplaçable axialement le long de l'axe (Ar), le déplacement axial du rotor dans une première direction axiale (A1) étant configuré de façon à entraîner une fonction de remplissage de la pompe, au cours de laquelle le fluide est extrait dans la chambre du stator à travers une entrée (8), et le déplacement axial du rotor dans une deuxième direction axiale opposée (A2) étant configuré de façon à entraîner une fonction de distribution au cours de laquelle la sortie de la pompe est disposée dans le rotor, la tête de pulvérisation en communication fluidique avec la sortie de la pompe et est disposée au niveau ou à proximité d'une sortie axiale (19) du rotor, la tête de pulvérisation étant configurée de façon à distribuer le fluide au moins partiellement dans une direction radiale (R) autour de l'axe de rotation de façon à l'entourer, le fluide comprenant au moins un tensioactif dans une concentration de 0,1 % à 30 % en poids.
  2. Procédé selon la revendication 1, dans lequel le rotor présente un premier et un deuxième montage axial (17a, 17b) de différents diamètres qui sont installés dans des première et deuxième sections correspondantes (18a, 18b) de la chambre du stator, et un premier et un deuxième joint (20a, 20b) qui sont installés dans le carter du stator et entourent de façon étanche le deuxième montage axial du stator, le montage du stator présentant des canaux d'acheminement de fluide (22a, 22b) servant de soupapes en relation avec les joints correspondants, ouvrant et fermant une liaison entre l'entrée (8) de la pompe et les sections de la chambre ou resp. les sections de la chambre et la sortie (10) de la pompe en fonction de l'orientation angulaire du rotor de la pompe.
  3. Procédé selon la revendication 2, dans lequel la sortie de la pompe est installée dans le deuxième montage axial du rotor et le deuxième montage axial du rotor présente un diamètre (D2) inférieur au diamètre (D1) du premier montage axial du rotor.
  4. Procédé selon l'une des revendications précédentes, dans lequel la sortie (10) de la pompe sort de l'extrémité de sortie axiale (19) du rotor.
  5. Procédé selon l'une des revendications précédentes, dans lequel la tête de pulvérisation est installée de façon fixe à l'extrémité de sortie axiale du rotor ou s'étend à partir de celle-ci et tourne ensemble avec le rotor.
  6. Procédé selon la revendication 5, dans lequel la tête de pulvérisation est installée sous la forme d'une pièce séparée sur l'extrémité de sortie axiale du rotor.
  7. Procédé selon la revendication 5 ou 6, dans lequel la tête de pulvérisation présente un diamètre supérieur au diamètre de l'extrémité de sortie axiale du rotor.
  8. Procédé selon la revendication 5 ou 6, dans lequel la tête de pulvérisation présente un diamètre inférieur ou égal au diamètre de l'extrémité de sortie axiale du rotor.
  9. Procédé selon l'une des revendications précédentes, dans lequel la tête de pulvérisation présente plusieurs buses orientées selon un ou plusieurs angles (α) par rapport à la direction radiale (R), avec -80° < α < +90°, de préférence -60° < α < +90°.
  10. Procédé selon l'une des revendications précédentes, dans lequel toute la pluralité de buses est orientée selon le même angle par rapport à la direction radiale (R).
  11. Procédé selon la revendication 9, dans lequel des buses déterminées parmi la pluralité de buses sont orientées selon des angles différents par rapport à la direction radiale (R).
  12. Procédé selon l'une des revendications précédentes, dans lequel l'extrémité de sortie axiale (19) du rotor s'étend hors du stator.
  13. Procédé selon l'une des revendications précédentes, dans lequel un angle de rotation de distribution de la pompe se situe entre 60° et 120°.
  14. Procédé selon la revendication 13, dans lequel l'angle de rotation de la distribution de la pompe est d'environ 90°.
  15. Procédé selon l'une des revendications 1 à 4, dans lequel la tête de pulvérisation (56) est installée fixement sur une paroi ouvrante du carter du stator, bordant l'extrémité de sortie (19) du rotor disposé dans le carter.
  16. 16. Procédé selon la revendication 15, dans lequel la tête de pulvérisation présente un capuchon flexible avec une lèvre périphérique (60) précontrainte contre la paroi ouvrante du carter du stator et déplaçable et/ou déformable sous la pression du fluide pour délimiter une buse de pulvérisation avec la paroi ouvrante du carter du stator.
  17. Procédé selon l'une des revendications précédentes, dans lequel le rotor et le stator présentent des mécanismes de cames complémentaires (29a, 29b, 30a, 30b) qui définissent le déplacement axial du rotor en directions axiales contraires (A1, A2) en fonction du déplacement angulaire du rotor.
  18. Procédé selon l'une des revendications précédentes, dans lequel le fluide contient un ou plusieurs parfums, particulièrement préférentiellement au moins une huile essentielle, de préférence à hauteur de 0,01 % à 15 % en poids, en particulier de 0,05 % à 10 % en poids, particulièrement préférentiellement de 0,1 % à 8 % en poids.
  19. Procédé selon l'une des revendications précédentes, dans lequel le fluide contient une ou plusieurs substances antimicrobiennes, préférentiellement à hauteur de jusqu'à 40 % en poids, préférentiellement de 0,01 % à 25 % en poids, en particulier de 0,1 % à 5 % en poids.
EP12713671.1A 2011-09-28 2012-03-30 Procédé de distribution de produit fluide Active EP2761179B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12713671T PL2761179T3 (pl) 2011-09-28 2012-03-30 Sposób rozprowadzania płynów

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011083579A DE102011083579B3 (de) 2011-09-28 2011-09-28 Fluidausgabesystem
PCT/EP2012/055747 WO2013045121A1 (fr) 2011-09-28 2012-03-30 Système de distribution de fluide

Publications (2)

Publication Number Publication Date
EP2761179A1 EP2761179A1 (fr) 2014-08-06
EP2761179B1 true EP2761179B1 (fr) 2016-12-21

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EP12713671.1A Active EP2761179B1 (fr) 2011-09-28 2012-03-30 Procédé de distribution de produit fluide

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US (1) US10213796B2 (fr)
EP (1) EP2761179B1 (fr)
JP (1) JP6034870B2 (fr)
KR (1) KR101849437B1 (fr)
CN (1) CN103827486B (fr)
DE (1) DE102011083579B3 (fr)
ES (1) ES2618456T3 (fr)
HU (1) HUE032139T2 (fr)
PL (1) PL2761179T3 (fr)
WO (1) WO2013045121A1 (fr)

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CN104264757B (zh) * 2014-09-01 2018-03-09 浙江科助达机械科技有限公司 一种便器喷水轴管喷水控制阀门
EP3495658A1 (fr) * 2017-12-06 2019-06-12 Sensile Medical AG Micropompe
EP3499034B1 (fr) * 2017-12-12 2021-06-23 Sensile Medical AG Micropompe comportant un mécanisme à cames pour le déplacement axial d'un rotor
EP3505757A1 (fr) 2017-12-28 2019-07-03 Sensile Medical AG Micropompe

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JPH04156931A (ja) * 1990-10-22 1992-05-29 Chiyoda Corp 貯蔵タンクの液体導入用ノズルヘッド
EP0769621A1 (fr) * 1995-09-26 1997-04-23 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Micropompe et micromoteur
IT1282596B1 (it) * 1996-02-09 1998-03-31 Candy Spa Lavastoviglie con spruzzatore rotante a ugelli irroratori selettivamente alimentati e relativo metodo di lavaggio
JP3777490B2 (ja) 1997-01-31 2006-05-24 株式会社荏原製作所 送液装置及びその制御方法
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Publication number Publication date
KR101849437B1 (ko) 2018-04-16
ES2618456T3 (es) 2017-06-21
WO2013045121A1 (fr) 2013-04-04
US10213796B2 (en) 2019-02-26
EP2761179A1 (fr) 2014-08-06
KR20140069050A (ko) 2014-06-09
PL2761179T3 (pl) 2017-06-30
DE102011083579B3 (de) 2012-11-22
US20180036750A1 (en) 2018-02-08
JP2014530750A (ja) 2014-11-20
CN103827486A (zh) 2014-05-28
CN103827486B (zh) 2018-11-16
JP6034870B2 (ja) 2016-11-30
HUE032139T2 (en) 2017-08-28

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