EP1525144B1 - Druckregulierventil - Google Patents
Druckregulierventil Download PDFInfo
- Publication number
- EP1525144B1 EP1525144B1 EP03761560A EP03761560A EP1525144B1 EP 1525144 B1 EP1525144 B1 EP 1525144B1 EP 03761560 A EP03761560 A EP 03761560A EP 03761560 A EP03761560 A EP 03761560A EP 1525144 B1 EP1525144 B1 EP 1525144B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- piston
- valve
- sealing
- regulating valve
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 91
- 230000001105 regulatory effect Effects 0.000 claims abstract description 73
- 239000007921 spray Substances 0.000 claims abstract description 72
- 239000000443 aerosol Substances 0.000 claims abstract description 23
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 239000003380 propellant Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 238000003958 fumigation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/44—Valves specially adapted therefor; Regulating devices
- B65D83/52—Valves specially adapted therefor; Regulating devices for metering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7793—With opening bias [e.g., pressure regulator]
- Y10T137/7808—Apertured reactor surface surrounds flow line
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86928—Sequentially progressive opening or closing of plural valves
- Y10T137/87016—Lost motion
- Y10T137/8704—First valve actuates second valve
Definitions
- the present invention is concerned with a pressure regulating valve for use in an aerosol spray can with a Spray valve, wherein the pressure regulating a in the with compressed gas filled can interior pressure level prevailing lowers to a standard pressure level on which the Spray valve works, the pressure regulating valve in one Housing guided control piston having between a in a pressure-regulating chamber acting on the piston surface pressure and a restoring force is maintained in equilibrium, and between the control piston and the housing a sealing point is provided, which at a pressure in the pressure control chamber is closed above the control pressure levels.
- Such pressure regulating valves are aerosol spray cans needed, which work without propellant, d. H. chemical aerosol propellants, where it is the abandonment of such propellant gases necessary, the aerosol can to a much higher To fill pressure, for example 10 bar. Because the spray valves working at a certain lower pressure level, like also in previously used aerosol spray cans with LPG filling, and as complete as possible emptying of the If it is necessary, it is necessary a pressure regulating valve insert, which is connected upstream of the spray valve and the internal pressure of the can suitable for the spray valve Pressure of z. B. 3 bar lowers.
- Pressure regulating valves of The type described above are, for example, in the WO 01/09009 A1, EP 0 931 734 A1 and in WO 01/96208 A1 described. All described in these publications Pressure reducing valves have the disadvantage that the initial very high dose pressure on an axial surface of the piston element works, even in cases where only that comparatively small shaft end of the piston with the high Pressure is applied, a not inconsiderable axial force arises on the piston element. Any the dose internal pressure remain constant, one could correct this disturbance easily. However, since the internal dose pressure with increasing emptying the content continuously decreases, so does the Size of the disturbing force, so that the disturbance no longer without more can be compensated.
- the object of the present invention is a Pressure regulating valve of the type described above to the effect to improve that with the smallest possible volume of construction higher control accuracy with different internal pressure of the can is reached.
- a Sealing is provided, which is a free, from the pressure control chamber opposite end of the piston against the can internal pressure and seals against the control pressure, so that on Axial surfaces at the free end of the piston acting pressures independently from the pressure level of the can contents.
- the sealing point in a central region of the control piston is provided, preferably at this point has an annular groove.
- the sealing point simply with the help of a for example radially in the Ring groove projecting O-ring or annular disc-shaped sealing element be formed.
- the connection between the sealing point and the pressure regulating chamber is preferably via Openings in the piston, for example by a transverse bore starting from the sealing point and an axial bore, the the transverse bore connects to the pressure control chamber.
- the piston skirt on both sides of the sealing point against the housing is sealed, with a first seal on one side is provided as part of the seal of the free end.
- the arrangement of the sealing point in the middle region of the control piston offers the advantage that to both. Pages a simple one Sealing of the gap between the piston and the housing against the inside of the can is possible.
- a seal ensures that the pressure-regulating chamber is sealed by the internal pressure of the can is while the first seal for sealing a closed Chamber ensures, in which next to the free end the piston preferably also arranged the return spring is, for example, as a coil spring or as a compressed gas spring can be trained.
- the return spring is, for example, as a coil spring or as a compressed gas spring can be trained.
- the piston diameter seen from the sealing point in both axial directions is executed differently.
- Piston and housing diameter are of course in the respective sections designed to match each other.
- the cylindrical housing with two parts or different inner diameters adapted to the piston diameters having, between the two parts the sealing element, preferably with a ring ridge or - protrusion to reach a linear sealing point with at least one part.
- the sealing element between the two housing parts is safe and clamped pressure-tight.
- the sealing of the movable piston to the housing takes place preferably by means of O-rings, which are in grooves in the housing or the piston are arranged.
- the grooves wider than the respective O-ring are formed, wherein the width of the Grooves is selected in a particularly preferred embodiment such that the O-ring in the adjustment of the piston substantially frictionless on the groove bottom and the opposite Sealing surface of the piston outside or the inside of the housing unrolls.
- This embodiment can be due to the substantially rotationally symmetrical housing parts particularly inexpensive While it is also conceivable in principle, the Seal with a molded or attached to the housing Connecting the nozzle with the inside of the can.
- the provision of a throttle point between the pressure control chamber and the spray valve hereby can regulate pressure between the chamber and the spray valve be further reduced.
- the pressure regulating valve described above can be used as a separate Unit be formed and for example via a nozzle, a socket or the like. Have, with the help of which / it directly or via a pipe or hose piece with a nozzle of a spray valve is connectable.
- Such Training allows a conventional aerosol spray can simply by connecting the pressure regulating valve on for mounting usually a riser provided anyway Convert the nozzle of the spray valve, where necessary only to adapt the can body to the increased pressure conditions is.
- an aerosol spray can with a spray valve and a pressure reducing valve upstream of this one of the embodiments described above and a valve unit for installation in an aerosol spray can, which consists of a Spray valve and a pressure reducing valve of the previously described Art is designed as a ready to install unit.
- Another innovation which also with other pressure regulating valves can be used, provides that at the output end of the pressure regulating valve to the spray valve a pressure filling valve is provided, which is above a predetermined Limit pressure in the space between the spray valve and the Pressure reducing valve a cross section for filling the aerosol can releases. Because at least a significant part of the filling the can through the valves should be made to shortening the filling process is the use of such Pressure relief valve useful, since most pressure regulating valves at a pressurization from the outside no cross-section release or overloaded individual sealing elements become.
- Fig. 1 is a combined unit 10 of a spray valve 12 and a pressure regulating valve 14.
- the spray valve 12 corresponds in its constructive internal structure conventional spray valves and is therefore not closer in detail shown.
- the unit is connected to the spray valve 12 in known manner sealed by a sealing washer 16 preassembled on a valve plate 18, the following with Help of a sealing ring 20 on a can body (not shown) is fastened sealed.
- the spray valve has a spray valve housing 22, in which a stem 24 having an end 26 and a through hole is displaceable against the load of a compression spring 28.
- the Spray valve housing 22 has an intermediate wall 30 with a Through opening 32, the spray valve 12 from the pressure regulating valve 14 separates.
- a pressure relief valve 34 is provided which is substantially from one in an annular groove 36 in the outer wall the Sprühventilgepuruses 22 biased arranged annular Sealing element 38 is made, wherein in the bottom of the annular groove 36 at least one or more circumferentially arranged Passage openings 40 are provided.
- the pressure fill valve 34 has the function when filling the aerosol can in the assembled state with the help of an overpressure of for example, 12 bar, which is open with spray valve 12 of is applied externally, so that in the Sprühventilgephase 22nd this overpressure is applied, a direct fumigation of the inside of the can to allow, since the pressure regulating valve 14 at a such high pressure in the area of the spray valve housing 22 is closed is.
- the high filling pressure acts via the passage openings 40 on the annular sealing element 38 and lifts this due to the resulting pressure forces easily, so that the compressed gas past the sealing element 38 into the inside of the can can flow (see Fig. 7).
- Figs. 2 and 3 are other alternatives with an elastic, annular Sealing element shown.
- Fig. 2 is at the same annular Sealing element 38 with a circular cross-section a Annular groove 42 provided in the outer periphery of the Sprühventilgeophuses, whose flanks are formed tapered, so that a surface contact of the sealing element 38 on the flanks this groove 42 results.
- at least one passage opening 40 provided by which compressed gas during filling can flow.
- FIG. 3 an embodiment is shown, in which in the outer wall of the Sprühventilgepuruses 22 again an annular groove 44 is provided, which is similar the embodiment shown in Fig. 1 is a rectangular Has cross-section, but is made wider to a as an annular flat gasket with rectangular cross-section trained to receive 46 sealing element. Number and Execution of the passage openings 40 correspond to the in Fig. 1 embodiment shown.
- the spray valve housing 22 has on its front side a extending from the intermediate wall 30 ring extension 48, the one part of a hollow cylinder 50 of the pressure regulating valve 14 forms, in which a control piston 52 movably guided is, which will be discussed later.
- the Ring extension 48 has at least one transverse opening at the free end 54, through which the contents of the can flow during emptying can, as will be discussed later.
- annular extension 48 On the annular extension 48 sits a cup-shaped inner housing 56. Its cylinder wall consists of a first, at a bottom 58 subsequent cylindrical wall portion 60, the inner diameter of the diameter of the control piston 52nd is adapted, a second cylindrical wall portion 62, the inner diameter of the outer diameter of the ring extension 48 is adapted and one between the two wall sections 60, 62 paragraph 64. Between paragraph 64 and the annular end surface of the annular extension 48 is an annular sealing member 66 and 67 is provided, which the Ring extension against the second cylindrical wall portion 62nd pressure-tight closes and projects into the cylinder 50, where it in cooperation with a sealing edge 68, 69 of the control piston 52 defines the sealing point of the pressure regulating valve 14.
- a sealing element 67 which in the closed state under minor elastic expansion with the annular outer surface 69 of the piston 52 sealingly cooperates while in the right half of the illustration in Fig. 1, a corner 68 of the Piston 52 with an axial end face 70 of the sealing element 66 sealingly cooperates, wherein the annular sealing element 66 in this case a little further radially inward into the Cylinder bore 50 protrudes than in the case of the annular Sealing element 67.
- the cylindrical wall portion 62 has its periphery further at least one recess 72, the in the assembled position with an associated transverse opening 54 are aligned.
- the diameter of the cylinder bore can be in the range of the second wall portion larger than in the region of be executed first wall portion, wherein the outer diameter of the piston are then also stepped accordingly.
- the sealing element is in the closed position substantially axially between the housing and jammed the shoulder of the piston, whereby u. U. mechanically less stressed.
- the control piston 52 In through the ring process 48 and the first cylindrical Wall portion 60 of the inner housing 56 formed cylinder bore 50, the control piston is movably guided.
- the control piston 52 has a lower shaft portion 74, which in the first cylindrical wall portion 60 is guided, and a upper shaft portion 76, which is guided in the annular extension 48 is.
- the two shaft portions 74, 76 are in the range the sealing point by an annular groove 78 in the control piston 52nd separated, with at least one transverse opening 80 and a central bore 82 in the upper shaft portion 76, the annular groove 78 is in communication with a pressure control chamber 84, the again via the passage opening 32 in the intermediate wall 30th is connected to the interior of the Sprühventilgephinuses 22.
- a first seal 86 in the form of an O-ring is seated in a corresponding annular groove 88 in the lower shaft portion 74th and seals it against the first cylindrical wall portion 60 of the inner housing 56 from.
- a piston extension 92 the connects the lower shaft portion 74, limits the stroke of the control piston 52, in which it rests against the bottom 58 of the inner housing 56 applies. In this way it is prevented that the annular sealing element 66 through the corner 68 of the upper Shank portion 56 is sheared off, for example, when a compressed gas filling in the pressure regulating chamber 84 a considerable Overpressure prevails, for example 12 bar.
- a second seal 94 in the form of an O-ring sits in one Ring groove 96 in the upper shaft portion 56 of the piston and seals this against the inner wall of the ring extension 48.
- Both annular grooves 88, 96 in the shaft sections 74, 76 can wider than the sealing rings 86, 94 received therein be, so that they are no in the movement of the piston Sliding movement on the inner surfaces of the cylinder bore 50, but perform a rolling motion. This is considerably less friction and improves the control accuracy of the pressure regulating valve 14th
- a cup-shaped Outer housing 98 mounted, which the inner housing 56th in the region of the cylindrical wall portion 60 and the bottom 58 surrounds with clearance, with the outer case in the bottom a nozzle 100 having a through hole 102, on which a riser 104 is placed.
- FIG. 5 shows a further embodiment of a unit 110 shown from a spray valve 12 and a pressure regulating valve 14, wherein compared to the previously described embodiment identical components with the same reference numerals are provided.
- a cup-shaped outer casing 98 a ring attachment 112 with an integrally formed Stub 114 mounted on the inner housing 56, on which a riser 116 is attached.
- Such a solution can u. U. still claim less volume than that in Fig. 1st and 4 shown solution.
- FIG. 6 is an arrangement of a pressure regulating valve 200th shown with the aid of which a spray valve 202 for a propellant-free Aerosol spray can retrofitted with overpressure filling can be.
- the spray valve 202 sits in a known Way in a valve plate 204, wherein a housing 206 of the Spray valve 202 with a nozzle 208 for placing a Connecting tube or hose 210 is formed.
- the pressure regulating valve 200 has an upper housing part 212, which is connected to a nozzle 214 for connecting to the Connecting pipe 210 is provided, whose central through hole 216 is connected to the pressure control chamber 84.
- Upper housing part 212 is also the pressure filling valve 34th formed, with only the passage openings 40 accordingly extended to the central through-hole 216 of the housing part 212 are executed.
- the housing part instead of a neck 214, the housing part also with a sleeve-like male part Be provided directly to the nozzle 208 of the Spray valve 202 can be placed. Otherwise corresponds the pressure fill valve 200 shown in FIGS. 1 and 4 Embodiment and also works in the corresponding Wise.
- Fig. 6 offers the advantage that the previously used in propellant-filled aerosol cans Spray valves continue to be used with their valve plates can, where appropriate, only an adjustment to the higher Pressure level is required. This allows existing production facilities used cost-effectively without conversion and it will be in a simple assembly process the pressure regulating valve 200 simply upstream of the spray valve 202.
- Fig. 8 is another embodiment of a pressure regulating valve 300, which in its function substantially corresponds to the pressure relief valve 10 shown in FIG. 6, however, in which a piston 352 compared to the previously described embodiment upside down, d. H. With below, the inlet port 302 facing pressure control chamber 384th is trained.
- the passage opening 304 is above a Axial bore 306 in a housing insert 308 with a transverse opening 354 in conjunction, through which the can contents at from the sealing element 366 released sealing point via a Transverse opening 380 and a central bore 382 in the pressure control chamber 384 can flow.
- the pressure control chamber 384 is again via a throttle bore 385, for another Can provide pressure reduction, and one laterally between the Housing insert 308 and the valve housing 398 extending Connecting passage 399 with the outlet side 316 in conjunction, the to the downstream spray valve (not shown in Fig. 8) leads.
- a seal 386 pressure tight sealed chamber 389 seated compression spring 390 in turn displaces the control piston 352 at a control pressure undershot pressure in the control chamber 384 in the in Fig. 8 illustrated open position.
- a possibility for overpressure fumigation similar to those described above Embodiments, is conceivable and by an accordingly adapted housing form easily realized.
- Fig. 9 is a longitudinal section of another pressure regulating valve 400 shown in its construction of the in Figs. 1 and 7 shown embodiment is very similar, which is why functionally equivalent Components have been given the same reference numerals are. Again, a positive pressure gassing in the upper area be provided of the valve housing.
- a first difference of the pressure regulating valve of FIG. 9 is that instead of an annular disc-shaped sealing element an O-ring 466 is used as a sealing element.
- This O-ring 466 is in turn between the cup-shaped Inner housing 56 and an upper housing part 412 (similar to the Embodiment of FIG. 6) clamped, wherein the inner housing 56 and the upper housing part 412 each have an annular projection 401, 403, which are for a linear Make sealing contact with the sealing element 466, which is under many conditions of use as cheaper compared to one has proved flat system.
- Such a ring projection is also when using a ring-shaped sealing element advantageous.
- an O-ring-shaped sealing element 466 the deformations in the axial direction lower and it is a more accurate one with regard to the position of the piston Sealing possible.
- the upper housing part 412 in turn has one or a plurality of radial passage openings 454, which when open Sealing point according to FIG. 9 an outflow of the contents of the can through the openings 80, 82 in the pressure control chamber 84 and continue through a throttle bore 485, which is another Pressure reduction when flowing ensures in the through hole 216 to the spray valve (not shown).
- the piston 452 in the in Fig. 10 in which the sealing point passes through Cooperation of the sealing element 466 with a sealing flank 468 of the piston sealingly cooperates, so that the can contents no longer through the holes 80, 82 in the pressure control chamber 84 can flow.
- the sealing element 466 In the embodiment shown in Fig. 10 is otherwise radially outside of the sealing element 466 also in the region of the radial transverse openings 454 a Wall 455 provided which the sealing element 466 in this Area radially stabilized.
- a spacer sleeve 491 provided with the help of which the preload of the return spring 90 is adjustable, d. H. depending on the height of the spacer sleeve 491 can also be the control characteristics of the pressure regulating valve 400.
- FIGS. 8, 9 and 10 300, 400 a Pressure regulating valve are similar for an arrangement Fig. 6, wherein the pressure regulating valve 300 or 400 with Help a hose or nozzle upstream of a spray valve becomes.
- FIGS. 8, 9 and 10 common Special feature continues to be that for sealing of the piston 452 relative to the housing parts 56, 412 used Sealing rings 86, 94 are disposed in grooves 488 and 496, respectively, which are wider than the sealing rings 86, 94 so that they themselves can roll on an axial movement of the piston 452 and not just to be moved in a purely sliding manner. This can be done reduce the friction losses in the piston movement, which in turn the control accuracy benefits. This feature is of course, in the other described embodiments can be used advantageously.
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Safety Valves (AREA)
- Nozzles (AREA)
- Fluid-Pressure Circuits (AREA)
- Magnetically Actuated Valves (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Description
- Fig. 1
- einen Längsschnitt einer kombinierten Einheit aus einem Sprühventil und einem Druckregulierventil für eine Aerosolsprühdose;
- Fig. 2
- eine Einzelheit einer alternativen Ausführungsform eines Ventils der Einheit nach Fig. 1 zur Überdruckbefüllung;
- Fig. 3
- eine Einzelheit einer weiteren Ausführungsform des Ventils zur Überdruckbefüllung;
- Fig. 4
- einen Längsschnitt der Einheit nach Fig. 1 mit geöffnetem Ventilquerschnitt des Druckregulierventils;
- Fig. 5
- einen Längsschnitt einer weiteren Ausführungsform einer Einheit aus Sprühventil und Druckregulierventil;
- Fig. 6
- einen Längsschnitt eines Ventilbereichs einer Aerosolsprühdose mit getrennt ausgeführtem Sprühventil und Druckregulierventil;
- Fig. 7
- einen Längsschnitt der Einheit nach Fig. 1 mit geöffnetem Überdruckfüllventil.
- Fig. 8
- einen Längsschnitt einer weiteren Ausführungsform eines Druckregulierventils;
- Fig. 9
- einen Längsschnitt einer noch weiteren Ausführungsform eines Druckregulierventils in der geöffneten Stellung;
- Fig.10
- einen Längsschnitt eines Druckregulierventils im geschlossenen Zustand, das i. w. dem Druckregulierventil aus Fig. 9 entspricht.
Claims (12)
- Druckregulierventil zum Einsatz in einer Aerosolsprühdose mit einem Sprühventil (12; 202), wobei das Druckregulierventil (14; 200) ein in dem mit komprimiertem Gas befüllten Doseninneren herrschendes Druckniveau auf ein Regeldruckniveau absenkt, auf welchem das Sprühventil (12; 202) arbeitet, das Druckregulierventil (14; 200) einen in einem Gehäuse (48, 60) geführten Regelkolben (52) aufweist, der zwischen einem in einer Druckregelkammer (84) auf die Kolbenfläche wirkenden Druck und einer Rückstellkraft im Gleichgewicht gehalten ist, und zwischen dem Regelkolben (52) und dem Gehäuse (48, 60) eine Dichtstelle (66, 68; 67, 69) vorgesehen ist, die bei einem Druck in der Druckregelkammer (84) oberhalb des Regeldruckniveaus verschlossen ist, dadurch gekennzeichnet, daß eine Abdichtung (86, 66; 67) vorgesehen ist, die ein freies, von der Druckregelkammer (84) abgewandtes Ende des Kolbens (52, 74) gegen den Doseninnendruck und den Regeldruck abdichtet, so daß die auf Axialflächen am freien Ende des Kolbens (52) wirkenden Drücke unabhängig vom Niveau des Doseninnendrucks sind.
- Druckregulierventil nach Anspruch 1, dadurch gekennzeichnet, daß die Dichtstelle (66, 68; 67, 69) in einem mittleren Bereich des Regelkolbens (52) vorgesehen ist, der an dieser Stelle vorzugsweise eine Ringnut (78) aufweist und die Druckregelkammer (84) über Öffnungen (80, 82) in dem Kolben (52) mit der Dichtstelle (66, 68; 67, 69) in Verbindung steht.
- Druckregulierventil nach Anspruch 2, dadurch gekennzeichnet, daß der Kolbenschaft (52, 74, 76) beidseitig der Dichtstelle (66, 68; 67, 69) gegen das zylindrische Gehäuse (48, 60) abgedichtet ist, wobei auf einer Seite der Dichtstelle eine erste Dichtung (86) als Teil der Abdichtung des freien Endes vorgesehen ist und vorzugsweise die Abdichtung des Kolbenschaftes (74, 76) gegen das zylindrische Gehäuse (48, 60) mit O-Ringen (86, 94) erfolgt, die in Nuten (88, 96) angeordnet sind, die breiter als der jeweilige O-Ring (86, 94) ausgebildet sind, so daß die Breite der Nuten (88, 96) derart gewählt ist, daß der O-Ring (86, 94) im Verstellbereich des Kolbens (52) im wesentlichen reibungsfrei auf dem Nutgrund und der gegenüberliegenden Dichtfläche der Kolbenaußenseiten bzw. der Zylinderinnenseiten (48, 60) abrollt.
- Druckregulierventil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Rückstellkraft durch eine Rückstellfeder (90) aufgebaut ist, die in einer geschlossenen Kammer (89) angeordnet ist, die durch die erste Dichtung (86) abgedichtet ist, wobei vorzugsweise in der geschlossenen Kammer (89) eine Distanzhülse oder -scheibe (491) zur Einstellung der Federvorspannkraft anordenbar ist und/oder zwischen Kolben (52) und Gehäuse (30, 58) wenigstens in einer Bewegungsrichtung ein Axialanschlag (92, 106) zur Begrenzung der,Beweglichkeit des Kolbens (52) vorgesehen ist.
- Druckregulierventil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß im Bereich der Dichtstelle ein ringscheibenförmiges (66; 67) oder O-ringförmiges (466) Dichtelement vorgesehen ist, das an dem Kolben oder dem Gehäuse (48; 56, 64) festgelegt ist und mit einem Absatz (68; 468) oder einer Fläche (69) am Gehäuse bzw. dem Kolben (52, 76) abdichtend zusammenwirkt, wenn der Druck in der Druckregelkammer (84) das Regeldruckniveau übersteigt.
- Druckregulierventil nach Anspruch 5, dadurch gekennzeichnet, daß das zylindrische Gehäuse (50) zwei Teile (48, 60) aufweist, zwischen denen das Dichtelement (66; 67; 466) festgelegt ist, wobei bei in beiden Axialrichtungen von der Dichtstelle (66. 68; 67, 69) aus gesehen unterschiedlich ausgeführten Kolbendurchmessern die Innendurchmesser der Teile (48, 60) den Kolbendurchmessern angepaßt sind und vorzugsweise im Kontaktbereich mit dem Dichtelement (466) an wenigstens einem der beiden das Dichtelement (466) festlegenden Teile (56, 412) ein ringförmiger schmaler Grat oder Vorsprung (401, 403) zum Erreichen einer linienförmigen Abdichtung vorgesehen ist.
- Druckregulierventil nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß das O-ring- oder ringscheibenförmige Dichtelement (66; 67; 466) radial nach innen in die Ringnut (78) in dem Kolben (52) vorsteht.
- Druckregulierventil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Gehäuseteil (56, 60) zur Aufnahme des freien Endes (74, 92) des Kolbens von einem becherförmigen Gehäuseteil (98) umgeben ist, das einen Teil der Verbindung des Doseninneren mit der Dichtstelle (66, 68; 67, 69) bildet oder die Dichtstelle (66, 68; 67, 69) mit einem am Gehäuse (112) angeformten oder angebrachten Stutzen (114) mit dem Doseninneren verbunden ist.
- Druckregulierventil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß es über einen Stutzen (214), eine Steckhülse oder dgl. verfügt, mit Hilfe derer es unmittelbar oder unter Verwendung eines Schlauch- oder Rohrstückes (210) mit einem Stutzen (208) eines Sprühventils (202) verbindbar ist, wobei vorzugsweise an seiner Ausgangsseite zum Sprühventil (12; 202) ein Überdruckventil (34), das oberhalb eines vorbestimmten Grenzdruckes einen Querschnitt zum Begasen der Aerosoldose freigibt, und/oder zwischen der Druckregelkammer (84) und dem Sprühventil (12; 202) eine Drosselstelle (385; 485) vorgesehen ist.
- Druckreduzierventil nach einem vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Druckregelkammer (84) auf der dem Sprühventil (12; 202) abgewandten Seite des Kolbens liegt und ein seitlich an dem Kolben vorbei geführter Verbindungskanal (399) die Druckregelkammer (84) mit dem Sprühventil (12; 202) verbindet.
- Aerosoldose mit einem Sprühventil (12; 202) und einem diesem vorgeschalteten Druckregulierventil (14; 200) nach einem der vorhergehenden Ansprüche.
- Ventileinheit zum Einbau in eine Aerosolsprühdose, dadurch gekennzeichnet, daß ein Sprühventil (12) und ein Druckregulierventil (14) nach einem der Ansprüche 1 bis 17 als montagefertige Einheit (10) ausgebildet sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002129185 DE10229185A1 (de) | 2002-06-28 | 2002-06-28 | Druckregulierventil |
DE10229185 | 2002-06-28 | ||
PCT/EP2003/006917 WO2004002853A1 (de) | 2002-06-28 | 2003-06-30 | Druckregulierventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1525144A1 EP1525144A1 (de) | 2005-04-27 |
EP1525144B1 true EP1525144B1 (de) | 2005-12-14 |
Family
ID=29795987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03761560A Expired - Lifetime EP1525144B1 (de) | 2002-06-28 | 2003-06-30 | Druckregulierventil |
Country Status (12)
Country | Link |
---|---|
US (1) | US7494075B2 (de) |
EP (1) | EP1525144B1 (de) |
JP (1) | JP2005531468A (de) |
CN (1) | CN100460291C (de) |
AT (1) | ATE312775T1 (de) |
AU (1) | AU2003258500A1 (de) |
CA (1) | CA2511747A1 (de) |
DE (2) | DE10229185A1 (de) |
ES (1) | ES2253704T3 (de) |
MX (1) | MXPA04012794A (de) |
RU (1) | RU2329929C2 (de) |
WO (1) | WO2004002853A1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7278590B1 (en) | 1992-02-24 | 2007-10-09 | Homax Products, Inc. | Systems and methods for applying texture material to ceiling surfaces |
US7677420B1 (en) | 2004-07-02 | 2010-03-16 | Homax Products, Inc. | Aerosol spray texture apparatus for a particulate containing material |
US7487893B1 (en) | 2004-10-08 | 2009-02-10 | Homax Products, Inc. | Aerosol systems and methods for dispensing texture material |
AU2007100166A4 (en) * | 2007-03-02 | 2007-03-29 | Magnum Manufacturing Pty Ltd | Valve for aerosol containers |
US8344056B1 (en) | 2007-04-04 | 2013-01-01 | Homax Products, Inc. | Aerosol dispensing systems, methods, and compositions for repairing interior structure surfaces |
US9382060B1 (en) | 2007-04-05 | 2016-07-05 | Homax Products, Inc. | Spray texture material compositions, systems, and methods with accelerated dry times |
GB0719257D0 (en) * | 2007-10-04 | 2007-11-14 | 3M Innovative Properties Co | Metered dose dispenser |
DE102008018561A1 (de) * | 2008-03-01 | 2009-09-03 | Daimler Ag | Sicherheitsventil für einen Druckgasspeicher |
GB201012154D0 (en) | 2010-07-20 | 2010-09-01 | Linde Ag | Closure device |
US9156042B2 (en) | 2011-07-29 | 2015-10-13 | Homax Products, Inc. | Systems and methods for dispensing texture material using dual flow adjustment |
US9248457B2 (en) | 2011-07-29 | 2016-02-02 | Homax Products, Inc. | Systems and methods for dispensing texture material using dual flow adjustment |
US9156602B1 (en) | 2012-05-17 | 2015-10-13 | Homax Products, Inc. | Actuators for dispensers for texture material |
US9435120B2 (en) | 2013-03-13 | 2016-09-06 | Homax Products, Inc. | Acoustic ceiling popcorn texture materials, systems, and methods |
CA2859537C (en) | 2013-08-19 | 2019-10-29 | Homax Products, Inc. | Ceiling texture materials, systems, and methods |
CN103612835B (zh) * | 2013-12-03 | 2015-09-09 | 北京北机机电工业有限责任公司 | 阀体结构及设置该阀体结构的粉剂瓶 |
CN103742472B (zh) * | 2013-12-30 | 2017-01-04 | 邱金全 | 一种调温调压阀 |
USD787326S1 (en) | 2014-12-09 | 2017-05-23 | Ppg Architectural Finishes, Inc. | Cap with actuator |
RU172106U1 (ru) * | 2016-10-27 | 2017-06-28 | Иван Михайлович Ликстанов | Устройство для выдачи предварительно дозированного количества вещества, находящегося в суспендированном виде |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1183732B (de) * | 1963-07-15 | 1964-12-17 | Wieden & Co G M B H | Fuellventil fuer Gasfeuerzeuge |
GB1115926A (en) * | 1964-06-03 | 1968-06-06 | Honorio Sanjuan Nadal | Improvements in aerosol valves |
US3378205A (en) * | 1966-05-31 | 1968-04-16 | Du Pont | Aerosol valve for comestibles |
US3666148A (en) * | 1969-10-13 | 1972-05-30 | Gillette Co | Aerosol valve with safety relief device |
GB1527224A (en) * | 1975-09-17 | 1978-10-04 | Metal Box Co Ltd | Device for producing a jet or spray of liquid |
FR2502732B1 (fr) * | 1981-03-30 | 1985-08-30 | Valois Sa | Valve doseuse a position inversee pour recipient d'aerosol |
IN174351B (de) * | 1988-03-08 | 1994-11-12 | British Tech Group | |
CA2009657A1 (en) * | 1989-02-27 | 1990-08-27 | Simon Arieh | Valve for aerosol container |
US5011047A (en) | 1990-09-05 | 1991-04-30 | I.P.R.S. | Dispensing apparatus |
FR2670139B1 (fr) * | 1992-01-15 | 1993-12-24 | Valois | Valve doseuse utilisable en position inversee. |
US5458289A (en) * | 1993-03-01 | 1995-10-17 | Bespak Plc | Liquid dispensing apparatus with reduced clogging |
US6039306A (en) * | 1998-01-07 | 2000-03-21 | Precision Valve Corporation | Aerosol valve |
FR2774077B1 (fr) * | 1998-01-23 | 2000-04-07 | Oreal | Valve a regulation de debit de sortie, et recipient equipe d'une telle valve |
NL1012754C2 (nl) * | 1999-07-30 | 2001-02-01 | Presstech N V | Drukcontrole-inrichting. |
DE10029228A1 (de) * | 2000-06-14 | 2002-01-03 | Thomas Gmbh | Aerosoldose mit Druckreduzierventil |
US6394364B1 (en) * | 2000-09-29 | 2002-05-28 | Robert Henry Abplanalp | Aerosol spray dispenser |
CN1247932C (zh) * | 2001-04-11 | 2006-03-29 | 朴真河 | 气溶胶阀组合件及气溶胶容器 |
-
2002
- 2002-06-28 DE DE2002129185 patent/DE10229185A1/de not_active Withdrawn
-
2003
- 2003-06-30 MX MXPA04012794A patent/MXPA04012794A/es unknown
- 2003-06-30 RU RU2005102005A patent/RU2329929C2/ru not_active IP Right Cessation
- 2003-06-30 CN CNB038151456A patent/CN100460291C/zh not_active Expired - Fee Related
- 2003-06-30 ES ES03761560T patent/ES2253704T3/es not_active Expired - Lifetime
- 2003-06-30 CA CA 2511747 patent/CA2511747A1/en not_active Abandoned
- 2003-06-30 WO PCT/EP2003/006917 patent/WO2004002853A1/de active IP Right Grant
- 2003-06-30 US US10/516,458 patent/US7494075B2/en not_active Expired - Fee Related
- 2003-06-30 AT AT03761560T patent/ATE312775T1/de not_active IP Right Cessation
- 2003-06-30 JP JP2004516753A patent/JP2005531468A/ja not_active Withdrawn
- 2003-06-30 AU AU2003258500A patent/AU2003258500A1/en not_active Abandoned
- 2003-06-30 DE DE50301948T patent/DE50301948D1/de not_active Expired - Fee Related
- 2003-06-30 EP EP03761560A patent/EP1525144B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE10229185A1 (de) | 2004-02-05 |
DE50301948D1 (de) | 2006-01-19 |
ATE312775T1 (de) | 2005-12-15 |
RU2005102005A (ru) | 2005-07-10 |
US7494075B2 (en) | 2009-02-24 |
WO2004002853A1 (de) | 2004-01-08 |
EP1525144A1 (de) | 2005-04-27 |
JP2005531468A (ja) | 2005-10-20 |
ES2253704T3 (es) | 2006-06-01 |
AU2003258500A1 (en) | 2004-01-19 |
CA2511747A1 (en) | 2004-01-08 |
US20050205133A1 (en) | 2005-09-22 |
CN1665729A (zh) | 2005-09-07 |
MXPA04012794A (es) | 2005-03-31 |
CN100460291C (zh) | 2009-02-11 |
RU2329929C2 (ru) | 2008-07-27 |
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