EP0682987B1 - Austragvorrichtung für Medien - Google Patents
Austragvorrichtung für Medien Download PDFInfo
- Publication number
- EP0682987B1 EP0682987B1 EP95106642A EP95106642A EP0682987B1 EP 0682987 B1 EP0682987 B1 EP 0682987B1 EP 95106642 A EP95106642 A EP 95106642A EP 95106642 A EP95106642 A EP 95106642A EP 0682987 B1 EP0682987 B1 EP 0682987B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control body
- flow
- channel
- valve
- discharge apparatus
- 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.)
- Expired - Lifetime
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Classifications
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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
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
- B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
- B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
- B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
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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
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3006—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being actuated by the pressure of the fluid to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0037—Containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
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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
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/04—Deformable containers producing the flow, e.g. squeeze bottles
- B05B11/042—Deformable containers producing the flow, e.g. squeeze bottles the spray being effected by a gas or vapour flow in the nozzle, spray head, outlet or dip tube
- B05B11/046—Deformable containers producing the flow, e.g. squeeze bottles the spray being effected by a gas or vapour flow in the nozzle, spray head, outlet or dip tube the gas or vapour flow coming from a source where the gas or vapour is not in contact with the liquid or other fluent material to be sprayed, e.g. from a compressive bulb, an air pump or an enclosure surrounding the container
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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
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1073—Springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
- B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
Definitions
- the invention relates to a discharge device according to the Preamble of claim 1. It is for one or suitable for several media, at least one of which is not gaseous, e.g. liquid, powder or the like and / or at least one gaseous, e.g. Air that can be.
- the discharge device can only by a discharge head Attachment to a pressure generator, such as a thrust piston pump, a squeeze or bellows pump or the like or it can be a structural unit with such a pressure generator or an associated media storage.
- the discharge device has one or more media outlets, Outlet channels, variable volume chambers for manual Pressure generation, valves or flow-changing control bodies or the like, which lead the medium as soon as through immediate manual actuation narrows the pressure chamber or when the pressure chamber is charged before operation by manual actuation to the outlet duct is opened.
- the media flow during the passage of time a single discharge process to adapt to changes of the delivery pressure can be influenced or it can be influenced in order to dose the discharge quantity as precisely as possible to achieve each discharge process.
- EP-A-0 688 608 shows a discharge device with a Valve and a downstream downstream, likewise changeable flow restrictor.
- the upstream flow restrictor is a slide valve, so that after the medium at the highest discharge pressure can drip.
- the invention has for its object a discharge device to create the disadvantages of known training avoided or compared to these advantages, e.g. benefits of the type mentioned, and in particular with simple training any influence of the Media flow after leaving the pressure chamber at one anywhere between this pressure chamber and the ans Free adjacent media outlet allows.
- the features according to claim 1 intended. It can be a core or other actuator Change in the media flow should be provided so that at increasing delivery pressure due to a movement narrowing or the like. A passage cross-section or, subsequently, one different further movement is possible. The change the passage cross section or the further movement can by a separate manual operation so that the respective setting regardless of the actuation or is maintained by the delivery pressure and / or it can be path-dependent on actuation or pressure-dependent, namely automatically as Follow the discharge operation of the discharge device be provided.
- At least one media outlet is proportionate by one narrow nozzle of less than 8, 4 or 1 mm, especially through an atomizer nozzle is formed, the flow paths of which one Form nozzle geometry influencing flow behavior, so can be an actuator regardless of the training described provided for changing this nozzle geometry be that passage cross sections of the discharge nozzle changeable are.
- the changes can always be flow cross sections leave blank or completely close the outlet duct that at least one medium prevents access to the media outlet Is blocked.
- the actuator can also be used to change the flow geometry and therefore the flow-influencing effect of a Swirl or swirl chamber serve in which separate media for mixing or the like. Merged or in swirled or rotating currents are transferred.
- an actuator can be connected to one inner and / or outer circumference a substantially flat or at most a flat obtuse-angled face or control surface have correspondingly by the actuating movement trained counter surface is movable and with this a disc-shaped flat, but variable passage gap limited.
- One on the outer circumference of this passage gap transverse longitudinal channel can by the actuating movement with regard to its flow-influencing effect or its passage cross sections essentially unchanged stay or be changed.
- the path of an actuator from the starting position to the end position can also be used to dose or limit the discharge rate or serve, despite actuation of the discharge device and therefore the delivery pressure prevailing in the pressure chamber to end the discharge, although e.g. a pressure dependent opening exhaust valve is fully open.
- This is Appropriately between the valve seat and one in the direction of flow subsequent narrow flow channel an expanded, annular or disk-shaped flat intermediate chamber provided, into which the medium enters directly from the valve seat and into which the valve or actuator body can also penetrate.
- Such an intermediate chamber or another chamber can also as a pump or volume changeable by an actuator Displacement chamber from which the medium is formed is displaced during movements of the actuator, so that additional conveyor energy is effected.
- an actuator can cause the Media discharge suddenly with almost the maximum discharge energy begins and / or is ended suddenly, so that not a slowly increasing or decreasing discharge, but there is a sudden discharge of the medium. This is especially for a finely atomized discharge advantageous to immediately at the beginning or end of the discharge to ensure the finest atomization.
- the media outlet can also be formed by a foam nozzle in the area of which is a foamable medium, possibly with feed of gas, is foamed, the foam formation by an actuator can be influenced.
- the actuating body can of an intermediate drive Piston or the like. Be driven, but he is with this Piston suitably rigid or connected in one piece, so that it is necessarily, simultaneously or synchronously taken along and there is a direct mechanical drive.
- the actuator can by the piston and this by a valve body be educated.
- An actuator can each of the training and Effects in any combination or can separate adjusting bodies may be provided for this.
- the control body with a bearing, a valve seat, a return spring, a piston or Valve body, a closure for the pressure chamber or the like forms a preassembled module that can be retrofitted to the the housing forming the pressure chamber, the media outlet having discharge head or the like. To be mounted and expedient between the last two modules mentioned is.
- this second medium one has a different physical state than the first medium, e.g. can be gaseous. This can cause atomization or foaming can still be significantly improved or it can Feeding the second medium to the media outlet or the like start the corresponding feeding of the first medium or end after the supply of the second medium has ended.
- the discharge device 1 has a base body 2 and one on this supported insert body 3 for attachment to narrowed neck 5 of a container 4, the container space as media storage for storing two separate media, e.g. a liquid and air is provided.
- the container 4 is a resilient elastic due to manual external pressure yielding on the jacket and / or at least one end face Squeeze bottle with flexible plastic walls, can but also be dimensionally stable or generate the delivery pressure Propellants, such as an aerosol.
- the container 4 forms a kind Balloon pump whose through the storage space for the whole Media chamber formed pressure chamber 8 manually volume-changeable is.
- Inside the pressure chamber 8 is another similarly acting pump 7 for the second medium air, whose pressure chamber 9 is formed by a foil bag, which is completely non-destructive with complete emptying can be folded up that its volume is only about corresponds to the material volume of its walls.
- the pressure chamber 9 is refilled from the outside with air so that the Pressure chamber 8 is not air regardless of its filling state records, but is always full.
- submission of the first Medium from the pressure chamber 8 or subsequent resetting the container walls leads to a corresponding enlargement the pressure chamber 9 with simultaneous air intake of Outside.
- An essentially separate one Outlet channel 12 leads from the pressure chamber 9 at a distance from Neck 5 through a wall of the container 4 and the base body 2.
- the outlet channels 11, 12 open into a common media outlet 13, but have already been merged before that that the two media emerge mixed from the media outlet 13, which in an exposed outer surface of the Basic body 2 is provided and from which the respective Medium leaves the device 1 completely.
- the media outlet 13 is through the outer end 16 of a nozzle or end channel 14 formed, the diameter of less than 1/2 mm or can be 1/10 mm.
- the cylindrical end channel 14 has one compared to its smallest width at most 3 to 5 times greater length and is funnel-shaped at both ends 15, 16 extends or goes to at least one of these ends constant inside width.
- valves 17, 18, 19 are provided, which on the entire media flow in the outlet channel 11 act either for opening and closing or only for enlarging and reducing the passage cross-sections. All valves 17 to 19 are by a single actuator 20 pressed simultaneously, one closer to the end channel 14 lying core body 21 and one in rigid or axial movable connection immediately adjacent to this Has valve body 22.
- the valve body 22 On the side facing away from the core body 21 The valve body 22 has one side into the pressure chamber 8 belonging neck 5 projecting shaft 23, which on inner end of a disc-shaped abutment 24 for a Return spring 25 carries.
- the spring 25 surrounding the shaft 23 is supported with one end on the abutment 24 and with the other end on the inner end face of the insert body 3 approximately in the plane of the outer end face of the neck 5.
- the ring disk-shaped, possibly in one piece with the base body 2 Insert body 3 forms one in the flow direction approximately frusto-conical, frustoconical and provided as the inner circumference valve seat 26 for the closing engagement of a similar truncated cone Closing surface 27 on the outer circumference of the disk-shaped valve body 22.
- the valve seat 26 is frustoconical in the neck 5 protruding collar of the otherwise flat insert body 3 formed, which between the base body 2 and the end of the neck 5 is clamped so that it is simultaneously the bottle stopper or the seal between Container opening and base body 2 forms. In the starting position or when the pump 6 is not actuated, the valve 17 is tightly closed.
- the valve body 22 forms a pressure in the Pressure chamber 8 exposed control piston, which at overpressure in the pressure chamber 8, the valve 17 with displacement of the actuator 20 opens in the direction of flow, so that then between the Surfaces 26, 27 a continuous passage gap over the circumference is formed for the medium.
- valve 18 or 19 In the starting position, the valve 18 or 19 is the farthest open and in the most open position of the Valves 17 narrowed most or completely closed.
- the annular flat valve seat 28 of the valve 18 is located in the starting position the larger and also in the form of an annular disk flat end face of the valve body 22 with a gap distance opposite and is through an annular recess an inner end face of the base body 2 is formed.
- the Closing surface 29 of this valve 18 is through said End face of the valve body 22 is formed, the valve seat 28 on the other hand has a larger outside width.
- the valve seat 26 thus closes directly on the annular disc Gap 34 between the valve surfaces 28, 29, which is also penetrated by the core body 21.
- the largest expanse of the Valve seat 26 thus corresponds to the greatest width of the valve seat 28th
- valve 19 has much narrower valve surfaces 30, 31, namely on the base body 2 a valve seat 30 and opposite this a closing surface 31, which by the outermost end surface facing away from the valve body 22 of the core body 21 is formed.
- the valve surfaces 30, 31 are also essentially flat and ring-shaped.
- the valve seat 30 surrounds the inner end 15 of the end channel 14, which has a one-piece end wall 37 of the base body 2 enforced. In the starting position is between the valve surfaces 30, 31 another, ring-shaped and within its extreme extent of no components penetrated passage gap 35 limits its axial gap width the same, larger or smaller depending on the requirements than that of the passage gap 34 can be.
- Gap width of the passage gap 35 strikes the closing surface 31 on the valve seat 30 so that the gap 34 with the narrowest Passage cross-section open despite valve 19 possibly closed remains. With a larger gap width, the closing surface 29 strikes on, while the gap 35 of the valve 19 in the narrowest state remains open. With the same gap width or the same stop distance close both valves 18, 19 simultaneously by limit stop, however, means are provided can to a minimum passage cross section through the respective Keep valve 18, 19 still free.
- the End channel 14, the media outlet 13, the neck 5 and the actuator 20 are expedient essentially in a single Central axis 10, with respect to which the container 4 has the same axis or can be provided eccentrically.
- the core body 21 has a constant length over its entire length continuous and adjoining the end face 31 cylindrical peripheral surface 32, the one on the end faces 28, 30 adjoining inner peripheral surface of the base body 2 as the opposite surface 33. Between the surfaces According to FIG. 1, 32, 33 can be continuous over the circumference and the gap 34, 35 connecting envelope gap 38 limited be or the surfaces 32, 33 can be shown in FIG rest against each other in a substantially tight or sliding manner.
- the Length of the envelope gap 38 or the engagement of the core body 21 in the corresponding recess on the inside of the base body 2 in the starting position is larger than the gap width the column 34, 35 so that the core body 21 always in the Recess engages. Axial movements of the core body 21 can affect the passage cross section of the Channel sections 34, 35 connecting channel section 38 or enlarge it depending on the desired discharge behavior or downsize.
- the chambers 34, 35 simultaneously form volume-changeable Pressure or pumping chambers, which with increasing delivery pressure narrowed by the thrust piston-like bodies 22, 21 and thereby the medium in the direction of the media outlet 13 cast out.
- the effective formed by the end surface 31 Piston area of the piston 21 is smaller than the effective piston area 29 or 27, the piston surface serving for the opening 27 larger than that acting in the opposite direction Piston area or approximately the same size.
- the openings 12 to 16, 35, 38, the surfaces 30, 33 and the wall 37 can also on a separate nozzle cap of about constant Wall thickness can be provided, which in the base body 2 fixed or for performing the positioning movements is used flexibly.
- the core body then engages in them 21 a.
- the outlet channel 12 ends in an opening 36, which is approximately radial or tangent to the outer circumference of a single or connects several of the columns 34, 35, 38 and conveniently in the starting position of the core body 21 only against it Circumferential surface 32 is directed or approximately in the middle of the Length of the peripheral surface 33 is.
- a pressure-dependent opening inlet valve 39 In the pressure chamber 9 is via a pressure-dependent opening inlet valve 39 and through a portion of the outlet channel 12 sucked air from the outside.
- an outlet valve 40 for example a spring-loaded disposable or pressure relief valve arranged in the overpressure the chamber 9 opens so that air with a correspondingly high pressure queues at the mouth 36.
- the mouth 36 can at any Position of the core body 21 is the same or different opened or in one of the positions, e.g. one or both end positions, such as the starting position, closed his.
- the respective chamber or gap in which the mouth 36 opens, at the same time forms a mixing chamber, in which or from which the two media through Swirling should be mixed evenly.
- the respective chamber 34, 35, 38 can be designed as a swirl chamber, in which one or both media in a flow rotation around the central axis 10 are offset so that this rotation up to End channel 14, the media outlet 13 and beyond continued and thereby at least one swirl device 42, 43 is formed.
- the respective swirl chamber 34, 35 can on one single or both end faces 30, 31 or peripheral surfaces 32, 33 with guide surfaces of the means 41 or the swirl device 42 be provided so that a strong mixing vortex or rotational flow is generated.
- the width of the recess 46 is greater than that of the channels 44, 45 and one flank of each channel 45 closes tangentially at one end of a concavely curved around the central axis 10 Section of the inner circumference of the recess 46.
- the passage cross section of the channel 45 is to the rotation chamber 46 funnel-shaped continuously narrowed, e.g. through acute-angled Convergence of its opposing flanks.
- the length of the channels 44 or the core body 21 can be in the Order of magnitude of its outer width or in contrast be significantly smaller and the inside width of the chamber 46 is larger than that of the channel sections 14 to 16 and the Inner circumference of the valve seat 30.
- the respective recess 44 to 46 can only be provided in the core body 21 and is then on their open groove or recess side through the recess-free surfaces 33, 30 of the base body 2 are closed or closable. This deepening can also provided exclusively in the areas 33, 30 and accordingly through the recess-free surfaces 32, 31 of the core body 21 be closed or lockable. Furthermore the respective depression can also be found in both associated surfaces be provided.
- the mouth 36 is at a radial distance in each Position against the peripheral surface of the core body 21 radially or directed tangentially.
- 2 is the mouth 36 in the starting position radially against the transition area between the two channels 44, 45 directed so that air from your radial or rectilinear flow directly into the Cross channel 45 and then enters the recess 46.
- the mouth 46 is almost full only directed against the bottom surface of the longitudinal channel 44.
- the opening 36 of the outlet channel 12 opens tangentially on the circumference 32 or 33, which one the longitudinal or transverse channels 44, 45 connecting circumferential channel 47 can, so that the second medium on this circumference in a rotational flow is displaced and into two or more channels 44, 45 occurs around the same time.
- the rotational flow in the circumferential channel 47 can be rectified or directed in opposite directions to the rotational flow in the recess 46 around the Central axis 10 may be provided. Furthermore, the circumferential channel 47 forming groove recess, as with the recesses 44 to 46 described, only in the area 32 or the surface 33 or according to FIG. 3 is provided in both surfaces and be closed on the open recess side.
- the Channel 47 can furthermore only in the area of the longitudinal channels 44, only in the area of the transverse channels 45 or in the transition area be provided between these channels 44, 45.
- the passage cross section of the channel 47 can be approximately the same size or smaller than that of the outlet channel 12.
- the core body is 21st formed directly by the valve body of the valve 17, which on its widest end face 29 is not as in accordance with 1 to 3 carries the core projection, but continuously is flat or provided with the recesses 45, 46.
- the chamber 34 is a larger axial extension of the opposite having chamber 35 separated by an intermediate wall 49, one end face 28 of the valve 18th forms.
- the other side of the wall facing the end channel 14 49 carries a projection which projects freely into the chamber 35 48, which is a nozzle located in the central axis 10 50 forms.
- the projection 48 is on the outer circumference in the flow direction Tapered in the shape of a truncated cone, with a straight line on the inside Nozzle channel 51 of approximately constant width throughout penetrates and forms an axis 10 at the free end lying nozzle opening 53 which is at a distance from the inner End 15 or the end face 30, which is about the same size or less than half the axial extent of the chamber 35 or as the width of the nozzle opening 53.
- the circumference of the nozzle opening 53 is one in cross section delimited sharp tear-off or ring edge 52, which on the inner circumference of channel 51 and on the outer circumference of the conical outer surface of the projection 48 is limited.
- the end channel 14 is continuous from the inner to the outer end 16 truncated cone-shaped and the breadth of its inner End 15 is larger than the width of the same axis as well upstream at a distance from it nozzle opening 53.
- Die as the end channel 14 formed in one piece with the base body 2 Pre-atomizer nozzle 50 picks up in any operating condition the same position opposite the end channel 14. That from the nozzle opening 53 opposite inlet end of the channel 51 opens into Valve seat 28. This opens when there is excess pressure in the pressure chamber 8 Valve 17 progressively while the inlet of the Nozzle 50 associated valve 18 increasingly closes.
- the chamber 35 opens approximately on the entire axial extent of the Exhaust duct 12 in the manner described radially and / or tangential, so that the second medium around the projection 48 in an annular rotational flow is set into which the first medium sprayed in the center enters through the opening 53 namely in that formed between the surfaces 30, 52 Gap area, which causes a strong acceleration of flow.
- the first medium can leave the opening 53 an identical or opposite rotational flow to have.
- the pressure chamber for the respective outlet channel 11 or 12 can also by the return stroke from a separate media storage or from the atmosphere through suction an intake valve to be repeatedly filled a cylinder space be manually operated push piston pump. in this connection can two e.g. separate pumps with the same axis or Pressure chambers with a common handle at the same time be operated.
- the direction of flow becomes chamber 34 or 35 again in volume is enlarged and the resulting negative pressure likewise the supply of the first medium to the end channel 14 abruptly broken off or this medium sucked back.
- any feature of any of the embodiments may be any of the other embodiments may be provided.
- the properties mentioned, such as sizes, relative positions, effects or the like. can be exactly as described, slightly different or essentially as described or more or less thereof may be provided differently, depending on which discharge characteristics what properties are desired, in particular flow properties the first and / or the second Have medium.
- Components or arrangements 1 to 53 can also only one of the functions or Have effects.
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Photographic Developing Apparatuses (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Nozzles (AREA)
- Extraction Or Liquid Replacement (AREA)
- Catching Or Destruction (AREA)
Description
- Fig. 1
- eine erfindungsgemäße Austragvorrichtung im Axialschnitt,
- Fig. 2
- einen Ausschnitt der Fig. 1 in wesentlich vergrößerter und abgewandelter Ausbildung,
- Fig. 3
- einen Schnitt durch die Anordnung nach Fig. 2 in abgewandelter Ausbildung und
- Fig. 4
- eine weitere Ausführungsform in einer Darstellung entsprechend Fig. 2.
Claims (11)
- Austragvorrichtung für Medien mit mindestens einem in einen Medienauslaß (13) mündenden und Durchlaßquerschnitte, eine Medienströmung sowie einen Förderdruck bestimmenden Auslaßkanal (11, 12), der insbesondere im Abstand von dem Medienauslaß (13) einen an eine zur Erzeugung des Förderdruckes vorgesehene Druckkammer (8, 9) anzuschließenden Abschnitt aufweist, sowie mit mindestens zwei Strömungsdrosseln (17 bis 19), von denen jede eine Schließstellung mit engstem Durchlaßquerschnitt sowie eine Offenstellung mit weitestem Durchlaßquerschnitt aufweist und von denen eine stromaufwärtige Strömungsdrossel (17) stromaufwärts von einer stromabwärtigen Strömungsdrossel (18, 19) liegt, wobei die stromaufwärtige Strömungsdrossel (17) eine Schließfläche (27) aufweist, welche in der Offenstellung mit einer Gegenfläche einen Spalt mit dem zugehörigen weitesten Durchlassquerschnitt begrenzt, dadurch gekennzeichnet, dass die Schließfläche (27) der stromaufwärtigen Strömungsdrossel (17) in der Schließstellung an der Gegenfläche anschlägt, die ein Ventilsitz (26) ist.
- Austragvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Strömungsdrosseln (17 bis 19) von mindestens einem bewegbaren Stell- bzw. Kernkörper (20) gesteuert sind, daß insbesondere der Stellkörper (20) bei zunehmendem Förderdruck den Durchlaßquerschnitt in einer ersten Bewegung verengt, und daß vorzugsweise Mittel zum Bewegen des Stellkörpers (20) in einer weiteren Bewegung vorgesehen sind, die von der ersten Bewegung abweicht.
- Austragvorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß ein Stellkörper (20) druckabhängig gesteuert ist, daß insbesondere der Stellkörper (20) bei zunehmendem Förderdruck in einer Richtung bewegbar ist, die von der zur Strömungsrichtung entgegengesetzten Richtung abweicht, und daß vorzugsweise der Stellkörper (20) eine unmittelbar an die Medienströmung angrenzende Begrenzung des Auslaßkanals (11, 12) bildet.
- Austragvorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß ein Stellkörper (20) unmittelbar benachbart zum inneren Ende (15) eines mit seinem äußeren Ende (16) einen Medienauslaß (13) bildenden Endkanales (14) vorgesehen ist, daß insbesondere der Endkanal (14) eine einteilige Stirnwand (37) durchsetzt, und daß vorzugsweise der Endkanal (14) gegenüber dem Stellkörper (20, 21) eine kleinere Länge bzw. eine kleinere Weite hat.
- Austragvorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß ein Stellkörper (20) eine äußere Umfangsfläche (32) und eine freie Endfläche (31) aufweist, welche einer inneren Umfangsfläche (33) und/oder einer inneren Stirnfläche (30) unmittelbar gegenüberliegen, daß insbesondere Durchlaßquerschnitte eines axialen Durchlaßspaltes (38, 44) zwischen der äußeren und inneren Umfangsfläche (32, 33) unabhängig von deren Relativbewegung im wesentlichen konstant sind, und daß vorzugsweise Durchlaßquerschnitte eines scheibenförmig radialen Durchlaßspaltes (35, 45, 46) zwischen der Endfläche (31) und der inneren Stirnfläche (30) in Abhängigkeit von deren Relativlagen im wesentlichen stufenlos zu verändern sind.
- Austragvorrichtung nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß am Außenumfang (32) und/oder an der Endfläche (31) eines Stellkörpers (20) mindestens eine Kanalvertiefung (44, 45, 46) eines Kanalabschnittes eines Auslaßkanales (11, 12) liegt, daß insbesondere eine nutförmige Kanalvertiefung (44, 45) im Außenumfang (32) und/oder in der Enddfläche (31) vorgesehen ist, und daß vorzugsweise eine Kanalvertiefung (46) im Zentrum der Endfläche (31) eine etwa in der Achse (10) des Medienauslasses (13) liegende Wirbel- bzw. Rotations-Drallkammer bildet.
- Austragvorrichtung nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, daß ein Stellkörper (20) zu einer Ausgangslage hin federbelastet ist, daß insbesondere eine Rückstellfeder (25) in Strömungsrichtung vor einem Auslaßverschluß (17) liegt, und daß vorzugsweise eine Rückstellfeder (25) in die Druckkammer (8) eingreift und/oder an einem einen Verschlußsitz (26) bildenden Verschlußeinsatz (3) abgestützt ist, welcher einen Verschlußkörper für die Druckkammer (8) bildet.
- Austragvorrichtung nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, daß ein Stellkörper (21) wenigstens über einen Teil seines Bewegungsweges im wesentlichen synchron mit mindestens einem Schließkörper (22) der als Verschluß ausgebildeten stromaufwärtigen Strömungsdrossel (17) bewegbar und/oder von diesem angetrieben ist, daß insbesondere der Stellkörper (21) starr bzw. einteilig mit dem Schließkörper (22) verbunden ist, und daß vorzugsweise der Stellkörper (21) von einer Stirnseite (29) des Schließkörpers (22) frei absteht und/oder mit derselben Feder (25) wie der Schließkörper (22) belastet ist.
- Austragvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die in Strömungsrichtung nacheinander vorgesehenen Strömungsdrosseln (17 bis 19) wechselweise zu erweitern und zu verengen sind, daß insbesondere die in Strömungsrichtung erste bzw. stromaufwärtige Strömungsdrossel (17) einen sich über einen Umfang erstreckenden, zur dichten Schließung veränderbaren Drosselspalt bildet, und daß vorzugsweise eine zweite bzw. stromabwärtige Strömungsdrossel (18, 19) einen stirnseitigen Drosselspalt (34, 35) bildet.
- Austragvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zwei gesonderte Auslaßkanäle (11, 12) für gesonderte Medienströme vorgesehen sind, daß insbesondere mindestens ein Auslaßkanal (12) gegen einen Stellkörper (20) gerichtet mündet, und daß vorzugsweise ein erster Auslaßkanal (11) ringförmig um den Stellkörper (20) und ein zweiter Auslaßkanal (12) in Strömungsrichtung im Abstand danach nur über einen kleinen Teil des Umfanges des Stellkörpers (20) gegen diesen mündet.
- Austragvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß mindestens zwei im Abstand hintereinander liegende Düsen (13, 53) vorgesehen sind, daß insbesondere eine, wie die in Strömungsrichtung erste, Düse (53) in eine gegenüber beiden Düsen (13, 53) erweiterte Wirbelkammer (35) und/oder im Abstand vor dem Einlaßende (15) der zweiten Düse (13) mündet, und daß vorzugsweise die erste Düse (53) einlaßseitig mit einem Stellkörper (20) gesteuert ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4417488A DE4417488A1 (de) | 1994-05-19 | 1994-05-19 | Austragvorrichtung für Medien |
DE4417488 | 1994-05-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0682987A2 EP0682987A2 (de) | 1995-11-22 |
EP0682987A3 EP0682987A3 (de) | 1996-08-21 |
EP0682987B1 true EP0682987B1 (de) | 2002-08-28 |
Family
ID=6518444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95106642A Expired - Lifetime EP0682987B1 (de) | 1994-05-19 | 1995-05-03 | Austragvorrichtung für Medien |
Country Status (8)
Country | Link |
---|---|
US (1) | US5803311A (de) |
EP (1) | EP0682987B1 (de) |
JP (1) | JP3751659B2 (de) |
KR (1) | KR950031245A (de) |
AT (1) | ATE222809T1 (de) |
AU (1) | AU691884B2 (de) |
DE (2) | DE4417488A1 (de) |
ES (1) | ES2180595T3 (de) |
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US20050098589A1 (en) * | 2002-03-21 | 2005-05-12 | Beiersdorf Ag | Valve device for opening a container comprising a re-aeration mechanism |
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DE20209615U1 (de) * | 2002-06-20 | 2003-07-31 | RPC Wiko GmbH & Co. KG, 50259 Pulheim | Selbstabdichtender Behälterverschluss |
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JP4438983B2 (ja) * | 2003-07-03 | 2010-03-24 | 株式会社東海 | 燃料電池用燃料容器 |
US7226231B2 (en) | 2003-07-17 | 2007-06-05 | Medical Instill Technologies, Inc. | Piston-type dispenser with one-way valve for storing and dispensing metered amounts of substances |
US7264142B2 (en) | 2004-01-27 | 2007-09-04 | Medical Instill Technologies, Inc. | Dispenser having variable-volume storage chamber and depressible one-way valve assembly for dispensing creams and other substances |
EP1817237A4 (de) * | 2004-12-04 | 2016-08-31 | Medical Instill Tech Inc | Einwegventil, vorrichtung und verfahren mit diesem ventil |
US7810677B2 (en) | 2004-12-04 | 2010-10-12 | Medical Instill Technologies, Inc. | One-way valve and apparatus and method of using the valve |
FR2888762B1 (fr) * | 2005-07-22 | 2008-05-02 | Rexam Dispensing Systems Sas | Buse a conduit divergent |
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CA2663130C (en) | 2006-09-08 | 2014-12-09 | Medical Instill Technologies, Inc. | Apparatus and method for dispensing fluids |
US7883499B2 (en) | 2007-03-09 | 2011-02-08 | Icu Medical, Inc. | Vial adaptors and vials for regulating pressure |
WO2010022095A1 (en) * | 2008-08-20 | 2010-02-25 | Icu Medical, Inc. | Anti-reflux vial adaptors |
US8083107B2 (en) * | 2009-04-09 | 2011-12-27 | Rodney Laible | Closed loop dispensing system with mechanical venting means |
CN103003608B (zh) | 2010-05-07 | 2015-07-22 | 阿尔卑斯有限公司 | 分配器阀和方法 |
EP4119121A1 (de) | 2011-08-18 | 2023-01-18 | ICU Medical, Inc. | Druckregelungsadapter für eine phiole |
WO2013106757A1 (en) | 2012-01-13 | 2013-07-18 | Icu Medical, Inc. | Pressure-regulating vial adaptors and methods |
WO2013142618A1 (en) | 2012-03-22 | 2013-09-26 | Icu Medical, Inc. | Pressure-regulating vial adaptors |
TWM435896U (en) * | 2012-04-12 | 2012-08-21 | Mosa Ind Corp | Electricity-free bubble drink maker |
US8708203B2 (en) | 2012-05-07 | 2014-04-29 | Rl Innovations, Llc | Screw-on throat plug assembly |
CA2899000C (en) | 2013-01-23 | 2022-07-12 | Icu Medical, Inc. | Pressure-regulating vial adaptors |
US9089475B2 (en) | 2013-01-23 | 2015-07-28 | Icu Medical, Inc. | Pressure-regulating vial adaptors |
CA2918381C (en) | 2013-07-19 | 2023-01-17 | Icu Medical, Inc. | Pressure-regulating fluid transfer systems and methods |
AU2015277135B2 (en) | 2014-06-20 | 2020-02-20 | Icu Medical, Inc. | Pressure-regulating vial adaptors |
WO2017132588A1 (en) | 2016-01-29 | 2017-08-03 | Icu Medical, Inc. | Pressure-regulating vial adaptors |
EP3518860A4 (de) | 2016-09-30 | 2020-06-10 | ICU Medical, Inc. | Vorrichtungen und verfahren für zugriff auf druckregelnde phiole |
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EP0688608A1 (de) * | 1994-03-25 | 1995-12-27 | GUALA S.p.A. | Sprühvorrichtung für handbetätigte Pumpen |
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-
1994
- 1994-05-19 DE DE4417488A patent/DE4417488A1/de not_active Withdrawn
-
1995
- 1995-05-03 EP EP95106642A patent/EP0682987B1/de not_active Expired - Lifetime
- 1995-05-03 AT AT95106642T patent/ATE222809T1/de not_active IP Right Cessation
- 1995-05-03 DE DE59510339T patent/DE59510339D1/de not_active Expired - Lifetime
- 1995-05-03 ES ES95106642T patent/ES2180595T3/es not_active Expired - Lifetime
- 1995-05-10 AU AU17972/95A patent/AU691884B2/en not_active Ceased
- 1995-05-15 JP JP13886895A patent/JP3751659B2/ja not_active Expired - Fee Related
- 1995-05-18 KR KR1019950012450A patent/KR950031245A/ko not_active Application Discontinuation
-
1997
- 1997-03-25 US US08/824,217 patent/US5803311A/en not_active Expired - Lifetime
Patent Citations (1)
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EP0688608A1 (de) * | 1994-03-25 | 1995-12-27 | GUALA S.p.A. | Sprühvorrichtung für handbetätigte Pumpen |
Also Published As
Publication number | Publication date |
---|---|
EP0682987A2 (de) | 1995-11-22 |
JPH0842449A (ja) | 1996-02-13 |
DE4417488A1 (de) | 1995-11-23 |
ES2180595T3 (es) | 2003-02-16 |
ATE222809T1 (de) | 2002-09-15 |
AU691884B2 (en) | 1998-05-28 |
JP3751659B2 (ja) | 2006-03-01 |
AU1797295A (en) | 1995-11-30 |
DE59510339D1 (de) | 2002-10-02 |
EP0682987A3 (de) | 1996-08-21 |
KR950031245A (ko) | 1995-12-18 |
US5803311A (en) | 1998-09-08 |
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