EP1645821A2 - Lance head for a snow lance and nozzle assembly - Google Patents
Lance head for a snow lance and nozzle assembly Download PDFInfo
- Publication number
- EP1645821A2 EP1645821A2 EP05007487A EP05007487A EP1645821A2 EP 1645821 A2 EP1645821 A2 EP 1645821A2 EP 05007487 A EP05007487 A EP 05007487A EP 05007487 A EP05007487 A EP 05007487A EP 1645821 A2 EP1645821 A2 EP 1645821A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- lance
- chamber
- lance head
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010409 ironing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C3/00—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow
- F25C3/04—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow for sledging or ski trails; Producing artificial snow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2303/00—Special arrangements or features for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Special arrangements or features for producing artificial snow
- F25C2303/048—Snow making by using means for spraying water
- F25C2303/0481—Snow making by using means for spraying water with the use of compressed air
Definitions
- the invention relates to a lance head according to the preamble of claim 1 and to a nozzle assembly according to the preamble of claim 9.
- snow lances which serve to produce artificial snow and essentially consist of a lance body and at least one lance head provided on this lance body, which has one or more nozzles for compressed air and water under pressure, wherein at least one nozzle acts as a nucleator is formed, which are then supplied to water and air and which serves to produce nuclei, ie for the production of small cores, which initiate the snow formation in the sprayed from the lance head air flow from the sprayed into this air flow water.
- the object of the invention is to show a lance head, which even in low weather conditions, especially at low temperatures and a strong headwind, which leads to a considerable wetting of the outer surface of the lance head with water discharged from the nozzles, icing, in particular ironing of the housing is effectively prevented.
- a lance head according to the patent claim 1 is formed.
- a nozzle arrangement is the subject of claim 9.
- a peculiarity of the lance head according to the invention is that the boundary surface of the chamber formed in the interior of the housing and flowed through by the water during normal operation of the lance head or the snow lance equal, but preferably greater than the outer surface of the housing, so that even in low weather conditions, ie at very low temperatures, the outer surface of the housing is held by the water flowing through the first chamber at a temperature which is above the freezing point.
- the housing is convexly rounded on its outside at least in the area where nozzles are provided, preferably three-dimensionally, i.e., three-dimensionally. at least two mutually perpendicular spatial axes, whereby a fast and effective beading of water is achieved, which has passed, for example, after exiting the nozzles on the housing outer surface.
- this particular housing shape also helps to prevent ironing, i. to prevent the formation of ice, in particular an increasing formation of ice on the outside of the housing.
- the nozzle assembly according to the invention which can be used for example for a lance head according to claim 1, but can also be used in other lance heads or snow guns and combines on a common carrier at least one nucleator and another water outlet nozzle, u. a. due to a compact design, through a space-saving installation and a simplified installation as well as high service friendliness.
- the lance head generally designated 1 in the figures is part of a snow lance for producing snow from water and air.
- the lance head 1 consists essentially of a, in the illustrated embodiment made of aluminum or an aluminum alloy spherical housing 2, which is attached to the end of a lance body 3 schematically shown this with a housing section 2.1 tightly cross-over and having a nozzle assembly 9.
- each separate channel 4, 5, 6, 21 is provided, namely a first and second channel 4 and 5 for supplying water and a third channel 6 for supplying compressed air, preferably of cooled compressed air to the lance head 1 and a fourth (not shown in the Figure 1) channel 21 for supplying fix water.
- the interior of the housing 1 is divided in the illustrated embodiment substantially into three separate chambers, namely in the larger chamber 7 and a first and second smaller chamber 8.1, 8.2, in the illustrated embodiment, inter alia, a laterally provided on the lance head 1 nozzle assembly 9 or whose center axis DA concentrically enclose and which are formed within the spherical outer wall of the housing 2.
- the first smaller chamber 8.1 communicates with the first channel 4 in connection, via a connecting channel 10 formed in the housing 2 or a connecting line, which is connected in the selected for the figure 1 representation with its lower end to the first channel 4 and in the upper portion of the first smaller chamber 8.1 opens.
- the second channel 5 opens into the larger chamber 7, which is closed at the transition to the lance 3 in a suitable manner, for example by a lance body 3 closing at its upper end outside the first to third channels 4-6 closing 11th
- nozzles 12 Distributed around the nozzle arrangement 9 or its axis DA are a plurality of nozzles 12 which are in communication with the first and second smaller chambers 8.1, 8.2 and serve to dispense water in finely distributed form.
- the nozzle assembly 9 consists in the illustrated embodiment of a circular disk-shaped carrier 13, whose central axis is the nozzle axis DA. At the center, the carrier 13 has an internally threaded aperture 14 in which a nucleator 15, i. a nozzle for generating nuclei, which can be charged with an air-water mixture; from the snow formation initiating smallest snow or ice particles in the emerging from the nucleator 15 air flow.
- a nucleator 15 with the third channel 6 for supplying air and the second smaller chamber 8.2 is connected via a further in-house connection 17 with the second channel 5 for supplying water.
- the supplied via the third channel 6 air is mixed in the nucleator 15 before exiting the nucleator 15 with the fix water to form an air-water mixture.
- Several water outlet nozzles 18 are provided on the carrier 13 distributed around the nucleator 15, via which water or fixed water from the larger chamber 7 is introduced into the air stream of the nucleator 15 in finely sprayed form.
- the nucleator 15 has one or more nozzle openings, of which the nozzle opening 15.1 is formed coaxially with the axis DA and the nozzle openings 15.2 with their axes encloses an angle smaller than 90 ° with the nozzle axis DA, the (angle) to the housing interior opens the opposite side, the nozzles 18 are oriented with their axes parallel to the nozzle axis DA.
- the nozzles 18 are fastened by screwing into the carrier 13.
- the carrier 13 is suitably fixed, for example by screwing in an opening 19 of the housing 2, in such a way that the inside of the carrier 13 is a part of the inner surface of the chamber 7.
- Fig. 4 shows in a cross section along the direction indicated in Figure 1 line C-C, the lance 3, the four separate channels 4, 5, 6, 21 has.
- the first and second channels 4, 5 are provided for supplying water into the first and second chambers 8.1, 8.2 of the housing 2 and the third channel 6 for supplying air to the nucleator 15.
- Via the fourth channel 21 of the lance 3 fixed water is supplied into the larger chamber 7, which flows through the free cavities, for example, the first to third hollow chambers 7.1, 7.2, 7.3 of the larger chamber 7 shown in Figure 4 and energy to the spherical housing 2 transmits.
- FIG. 5 shows by way of example the front view of a lance head housing 2 without inserted nozzles 12 or a nozzle arrangement 9 in an alternative embodiment.
- the illustrated lance head housing 2 has a first and a second opening 19 for receiving a respective nozzle arrangement 9 according to FIGS. 2 and 3. Further, in the lance head housing 2 above and below the openings 19 further openings 22 for receiving further nozzles 12 are provided, wherein in the illustrated embodiment three openings 22 are arranged above and below the openings 19 in the lance head housing 2 along a circular disk-shaped line on the housing surface.
- the openings 19 and 22 respectively in a preferred Ausgestattung internal thread for screwing the circular disk-shaped carrier 13 of the nozzle assembly 9 and the nozzle 12.
- FIG. 6a The schematic representation of the lance head housing 2 according to FIG. 5 is shown again in FIG. 6a, for example, again with a slightly different viewing angle.
- 6b and 6c respectively show a section along the axes BB and FF through the lance head housing 2 shown in FIG. 6a.
- FIG. 6b shows, by way of example, one of the openings 22 for receiving the nozzles 12, which cover the first smaller and second smaller ones Chamber 8.1, 8.2 be supplied with water.
- the larger chamber 7 is shown, which has a plurality of ribs 20 for enlarging the inner surface of the chamber 7.
- FIG. 6c shows a further section along the axis F-F through the housing 2 according to FIG. 6a, from which the supply of water via the second channel 5 to the second, smaller chamber 8.2 emerges clearly.
- the fixed water supplied via the fourth channel 21 into the larger chamber 7 emerges partly at the nucleator 15 and partly at the nozzles 18.
- water is supplied to the first and second smaller chambers 8.1, 8.2 and to the nozzles 12 connected to this chamber via the first and second channels 4, 5, in particular when the weather conditions produce additional snow with the nozzles 12 from the nozzles 12 allow leaking water.
- a peculiarity of the lance head 1 is also that the inner surface bounding the chamber 7 is provided at least in partial regions with ribs 20 projecting from the respective inner surface so that the inner surface of the housing 2 surrounded by the water in the chamber 7 is substantially larger than the outer surface of the housing and thus, taking into account, in particular, the material with good thermal conductivity selected for the housing 2, it is ensured that the outer surface of the housing 2 is kept in a temperature range above the freezing point even in the case of greater cold.
- the nozzle assembly 9 is characterized by the use of largely uniform components, by a compact design, by a simplified assembly and high ease of service, namely, in that all components of this nozzle assembly 9 are provided on a common carrier 13 in a very compact manner.
- the nozzle assembly 9 provides additional protection against icing, by the warmer air in the nucleator 15th
- this has at least two nozzle arrangements 9, the nozzle axes DA of the at least two nozzle arrangements 9 having an angle in the range of approximately 30 ° to 50 °, in particular 40 °.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
Abstract
Description
Die Erfindung bezieht sich auf einen Lanzenkopf gemäß Oberbegriff Patentanspruch 1 sowie auf eine Düsenanordnung gemäß Oberbegriff Patentanspruch 9.The invention relates to a lance head according to the preamble of claim 1 and to a nozzle assembly according to the preamble of
Bekannt sind u. a. sogenannte ,,Schneelanzen", die zum Erzeugen von Kunst-Schnee dienen und im Wesentlichen aus einem Lanzenkörper und aus wenigstens einem an diesem Lanzenkörper vorgesehenen Lanzenkopf bestehen, der eine oder mehrere Düsen für Druckluft und Wasser unter Druck aufweist, wobei wenigstens eine Düse als Nukleator ausgebildet ist, der dann Wasser und Luft zugeführt werden und die zur Erzeugung von Nuklei, d.h. zur Erzeugung von kleinen Kernen dient, die in dem aus dem Lanzenkopf austretenden Luftstrom die Schneebildung aus dem in diesen Luftstrom eingesprühten Wasser initiieren.Are known u. a. so-called "snow lances", which serve to produce artificial snow and essentially consist of a lance body and at least one lance head provided on this lance body, which has one or more nozzles for compressed air and water under pressure, wherein at least one nozzle acts as a nucleator is formed, which are then supplied to water and air and which serves to produce nuclei, ie for the production of small cores, which initiate the snow formation in the sprayed from the lance head air flow from the sprayed into this air flow water.
Aufgabe der Erfindung ist es, einen Lanzenkopf aufzuzeigen, der auch bei niedrigen Witterungsverhältnissen, insbesondere bei niedrigen Temperaturen und einem starken Gegenwind, der zu einer erheblichen Benetzung der Außenfläche des Lanzenkopfes mit aus den Düsen ausgebrachten Wasser führt, ein Vereisen, insbesondere auch Aufeisen des Gehäuses wirksam verhindert ist.The object of the invention is to show a lance head, which even in low weather conditions, especially at low temperatures and a strong headwind, which leads to a considerable wetting of the outer surface of the lance head with water discharged from the nozzles, icing, in particular ironing of the housing is effectively prevented.
Zur Lösung dieser Aufgabe ist ein Lanzenkopf entsprechend dem Patentanspruch 1 ausgebildet. Eine Düsenanordnung ist Gegenstand des Patentanspruches 9.To solve this problem, a lance head according to the patent claim 1 is formed. A nozzle arrangement is the subject of
Eine Besonderheit des erfindungsgemäßen Lanzenkopfes besteht darin, dass die Begrenzungsfläche der im Inneren des Gehäuses ausgebildeten und bei normalem Betrieb des Lanzenkopfes bzw. der Schneelanze von dem Wasser durchströmten Kammer gleich, bevorzugt aber größer ist als die Außenfläche des Gehäuses, sodass auch bei niedrigen Witterungsverhältnissen, d.h. bei sehr niedrigen Temperaturen die Außenfläche des Gehäuses durch das die erste Kammer durchströmende Wasser auf einer Temperatur gehalten wird, die über dem Gefrierpunkt liegt.A peculiarity of the lance head according to the invention is that the boundary surface of the chamber formed in the interior of the housing and flowed through by the water during normal operation of the lance head or the snow lance equal, but preferably greater than the outer surface of the housing, so that even in low weather conditions, ie at very low temperatures, the outer surface of the housing is held by the water flowing through the first chamber at a temperature which is above the freezing point.
Bei einer bevorzugten Ausführungsform ist das Gehäuse an seiner Außenseite zumindest in dem Bereich, an dem Düsen vorgesehen sind, konvex gerundet, und zwar bevorzugt dreidimensional, d.h. wenigstens zwei senkrecht zueinander verlaufende Raumachsen, wodurch ein schnelles und wirksames Abperlen von Wasser erreicht ist, welches beispielsweise nach dem Austreten aus den Düsen auf die Gehäuseaußenfläche gelangt ist. Diese spezielle Gehäuseform trägt also ebenfalls dazu bei, ein Aufeisen, d.h. eine Eisbildung, insbesondere auch eine anwachsende Eisbildung der Gehäuseaußenseite zu verhindern.In a preferred embodiment, the housing is convexly rounded on its outside at least in the area where nozzles are provided, preferably three-dimensionally, i.e., three-dimensionally. at least two mutually perpendicular spatial axes, whereby a fast and effective beading of water is achieved, which has passed, for example, after exiting the nozzles on the housing outer surface. Thus, this particular housing shape also helps to prevent ironing, i. to prevent the formation of ice, in particular an increasing formation of ice on the outside of the housing.
Die erfindungsgemäße Düsenanordnung, die beispielsweise für einen Lanzenkopf gemäß Patentanspruch 1 verwendbar ist, aber auch bei anderen Lanzenköpfen oder Schneeerzeugern eingesetzt werden kann und auf einem gemeinsamen Träger wenigstens einen Nukleator und eine weitere Wasseraustrittsdüse vereint, zeichnet sich u. a. durch eine kompakte Bauform, durch einen platzsparenden Einbau und eine vereinfachte Montage sowie hohe Servicefreundlichkeit aus.The nozzle assembly according to the invention, which can be used for example for a lance head according to claim 1, but can also be used in other lance heads or snow guns and combines on a common carrier at least one nucleator and another water outlet nozzle, u. a. due to a compact design, through a space-saving installation and a simplified installation as well as high service friendliness.
Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.Further developments of the invention are the subject of the dependent claims.
Die Erfindung wird im Folgenden anhand der Figuren an einem Ausführungsbeispiel näher erläutert. Es zeigen:
- Fig. 1
- in vereinfachter Darstellung einen Schnitt durch einen Kopf einer Schneelanze;
- Fig. 2
- in Einzeldarstellung und in Draufsicht eine Kombi-Düse zur Verwendung bei einer Schnee-Lanze, beispielsweise bei der Schnee-Lanze der Figur 1;
- Fig. 3
- einen Schnitt entsprechend der Linie A - A der
Figur 2; - Fig. 4
- einen Schnitt entsprechend der Linie C - C der Figur 1;
- Fig. 5
- eine Frontansicht eines Lanzenkopfgehäuses zur Verwendung bei einer Schnee-Lanze, beispielsweise bei der Schnee-Lanze gemäß Figur 1;
- Fig. 6a
- eine Frontansicht der die Düsenanordnung aufweisenden Seite des Lanzenkopfgehäuses;
- Fig. 6b
- einen Schnitt entsprechend der Linie B - B durch das Lanzenkopfgehäuse der Figur 6a;
- Fig. 6c
- einen Schnitt entsprechend der Linie B - B durch das Lanzenkopfgehäuse der Figur 6a.
- Fig. 1
- in a simplified representation of a section through a head of a snow lance;
- Fig. 2
- in detail and in plan view of a combination nozzle for use in a snow lance, for example in the snow lance of Figure 1;
- Fig. 3
- a section along the line A - A of Figure 2;
- Fig. 4
- a section along the line C - C of Figure 1;
- Fig. 5
- a front view of a lance head housing for use in a snow lance, for example in the snow lance of Figure 1;
- Fig. 6a
- a front view of the nozzle assembly having the side of the lance head housing;
- Fig. 6b
- a section along the line B - B through the lance head housing of Figure 6a;
- Fig. 6c
- a section along the line B - B through the lance head housing of Figure 6a.
Der in den Figuren allgemein mit 1 bezeichnete Lanzenkopf ist Bestandteil einer Schneelanze zum Erzeugen von Schnee aus Wasser und Luft.The lance head generally designated 1 in the figures is part of a snow lance for producing snow from water and air.
Der Lanzenkopf 1 besteht im Wesentlichen aus einem, bei der dargestellten Ausführungsform aus Aluminium oder einer Aluminiumlegierung hergestellten kugelförmigen Gehäuse 2, welches an dem Ende eines schematisch dargestellten Lanzenkörpers 3 diesen mit einem Gehäuseabschnitt 2.1 dicht übergreifend befestigt ist und das eine Düsenanordnung 9 aufweist.The lance head 1 consists essentially of a, in the illustrated embodiment made of aluminum or an aluminum alloy
In der Lanze 3 sind beispielsweise vier voneinander getrennte Kanäle 4, 5, 6, 21 vorgesehen, und zwar ein erster und zweiter Kanal 4 und 5 zum Zuführen von Wasser sowie ein dritter Kanal 6 zum Zuführen von Druckluft, vorzugsweise von gekühlter Druckluft an den Lanzenkopf 1 und ein vierter (nicht in der Figur 1 dargestellter) Kanal 21 zum Zuführen von Fix-Wasser.In the
Das Innere des Gehäuses 1 ist bei der dargestellten Ausführungsform im Wesentlichen in drei voneinander getrennte Kammern unterteilt, und zwar in die größere Kammer 7 und eine erste und zweite kleinere Kammer 8.1, 8.2, die bei der dargestellten Ausführungsform u. a. eine seitlich am Lanzenkopf 1 vorgesehene Düsenanordnung 9 bzw. deren Mittelachse DA konzentrisch umschließen und die innerhalb der kugelförmigen Außenwand des Gehäuses 2 gebildet sind. Die erste kleinere Kammer 8.1 steht mit dem ersten Kanal 4 in Verbindung, und zwar über einen im Gehäuse 2 ausgebildeten Verbindungskanal 10 oder eine Verbindungsleitung, der bei der für die Figur 1 gewählten Darstellung mit seinem unteren Ende mit dem ersten Kanal 4 verbunden ist und in den oberen Abschnitt der ersten kleineren Kammer 8.1 mündet. Der zweite Kanal 5 mündet in die größere Kammer 7, die am Übergang zu der Lanze 3 in geeigneter Weise verschlossen ist, beispielsweise durch einen den Lanzenkörper 3 an seinem oberen Ende außerhalb der ersten bis dritten Kanäle 4-6 verschließenden Abschluss 11.The interior of the housing 1 is divided in the illustrated embodiment substantially into three separate chambers, namely in the
Um die Düsenanordnung 9 bzw. deren Achse DA verteilt sind mehrere Düsen 12 vorgesehen, die mit der ersten bzw. zweiten kleineren Kammer 8.1, 8.2 in Verbindung stehen und zum Ausbringen von Wasser in fein verteilter Form dienen.Distributed around the
Die Düsenanordnung 9 besteht bei der dargestellten Ausführungsform aus einem kreisscheibenförmigen Träger 13, dessen Mittelachse die Düsenachse DA ist. In der Mitte besitzt der Träger 13 eine mit einem Innengewinde versehene Öffnung 14 in welcher ein Nukleator 15, d.h. eine mit einem Luft-Wasser-Gemisch beaufschlagbare Düse zum Erzeugen von Nuklei, d.h. von die Schneebildung initiierenden kleinsten Schnee- oder Eispartikeln in dem aus dem Nukleator 15 austretenden Luftstrom. Über eine gehäuseinterne Verbindung 16 ist der Nukleator 15 mit dem dritten Kanal 6 zur Zuführung von Luft und die zweite kleinere Kammer 8.2 ist über eine weitere gehäuseinterne Verbindung 17 mit dem zweiten Kanal 5 zur Zuführung von Wasser verbunden. Die über den dritten Kanal 6 zugeführte Luft wird im Nukleator 15 vor dem Austritt aus dem Nukleator 15 mit dem Fix-Wasser zu einem Luft-Wasser-Gemisch vermischt.The
An dem Träger 13 sind um den Nukleator 15 verteilt mehrere Wasseraustrittsdüsen 18 vorgesehen, über die Wasser bzw. Fix-Wasser aus der größeren Kammer 7 in fein versprühter Form in den Luftstrom des Nukleators 15 eingebracht wird.Several
Während der Nukleator 15 eine oder mehrere Düsenöffnungen aufweist, von denen die Düsenöffnung 15.1 achsgleich mit der Achse DA ausgebildet ist und die Düsenöffnungen 15.2 mit ihren Achsen einen Winkel kleiner als 90° mit der Düsenachse DA einschließt, der (Winkel) sich zu der dem Gehäuseinnenraum abgewandten Seite hin öffnet, sind die Düsen 18 mit ihren Achsen parallel zur Düsenachse DA orientiert.While the
Die Düsen 18 sind durch Einschrauben in den Träger 13 befestigt. Der Träger 13 ist in geeigneter Weise, beispielsweise durch Einschrauben in einer Öffnung 19 des Gehäuses 2 befestigt, und zwar derart, dass die Innenseite des Trägers 13 einen Teil der Innenfläche der Kammer 7 ist.The
Fig. 4 zeigt in einem Querschnitt längs der in Figur 1 angedeuteten Linie C-C die Lanze 3, die vier voneinander getrennten Kanäle 4, 5, 6, 21 aufweist. Der erste und zweite Kanal 4, 5 sind zur Zuführung von Wasser in die erste bzw. zweite Kammer 8.1,8.2 des Gehäuses 2 und der dritte Kanal 6 zur Zuführung von Luft an den Nukleator 15 vorgesehen. Über den vierten Kanal 21 der Lanze 3 wird Fix-Wasser in die größere Kammer 7 zugeführt, das die freien Hohlräume, beispielsweise die in Figur 4 dargestellten ersten bis dritten Hohlkammern 7.1, 7.2, 7.3 der größeren Kammer 7 durchströmt und Energie auf das kugelförmige Gehäuse 2 überträgt.Fig. 4 shows in a cross section along the direction indicated in Figure 1 line C-C, the
In Fig. 5 ist beispielhaft die Frontansicht eines Lanzenkopfgehäuses 2 ohne eingesetzte Düsen 12 bzw. einer Düsenanordnung 9 in einer alternativen Ausführungsform dargestellt. Das dargestellte Lanzenkopfgehäuse weist 2 eine erste und zweite Öffnung 19 zur Aufnahme jeweils einer Düsenanordnung 9 gemäß der Figuren 2 und 3 auf. Ferner sind im Lanzenkopfgehäuse 2 oberhalb und unterhalb der Öffnungen 19 weitere Öffnungen 22 zur Aufnahme von weiteren Düsen 12 vorgesehen, wobei im dargestellten Ausführungsbeispiel jeweils drei Öffnungen 22 oberhalb und unterhalb der Öffnungen 19 im Lanzenkopfgehäuse 2 entlang einer kreisscheibenförmigen Linie auf der Gehäuseoberfläche angeordnet sind. Hierbei weisen die Öffnungen 19 bzw. 22 jeweils in einer bevorzugten Ausgestattung Innengewinde zum Verschrauben der kreisscheibenförmigen Träger 13 der Düsenanordnung 9 bzw. der Düsen 12 auf.FIG. 5 shows by way of example the front view of a
Die schematische Darstellung des Lanzenkopfgehäuses 2 gemäß Figur 5 ist in Figur 6a beispielhaft nochmals unter einem leicht veränderten Betrachtungswinkel dargestellt. Hierbei zeigen die Figuren 6b und 6c jeweils ein Schnitt entlang der Achsen B-B bzw. F-F durch das in Figur 6a dargestellte Lanzenkopfgehäuse 2. Fig. 6b zeigt beispielhaft jeweils eine der Öffnungen 22 zur Aufnahme der Düsen 12, die über die erste kleinere und zweite kleinere Kammer 8.1, 8.2 mit Wasser versorgt werden. Ferner ist die größere Kammer 7 dargestellt, die zur Vergrößerung der Innenfläche der Kammer 7 mehrere Rippen 20 aufweist.The schematic representation of the
In Fig. 6c ist ein weiterer Schnitt entlang der Achse F-F durch das Gehäuse 2 gemäß der Figur 6a dargestellt, aus der die Zuführung von Wasser über den zweiten Kanal 5 in die zweite kleinere Kammer 8.2 deutlicht hervorgeht.FIG. 6c shows a further section along the axis F-F through the
Das über den vierten Kanal 21 in die größere Kammer 7 zugeführt Fix-Wasser tritt teilweise am Nukleator 15 und teilweise an den Düsen 18 aus. Über den ersten und zweiten Kanal 4, 5 wird zusätzlich Wasser an die erste und zweite kleinere Kammer 8.1, 8.2 und an die an diese Kammer angeschlossenen Düsen 12 geführt, und zwar insbesondere dann, wenn die Witterungsverhältnisse eine zusätzliche Schneeerzeugung mit dem aus den Düsen 12 austretenden Wasser gestatten.The fixed water supplied via the
Eine Besonderheit des Lanzenkopfes 1 besteht auch darin, dass die die Kammer 7 begrenzende Innenfläche zumindest in Teilbereichen mit von der jeweiligen Innenfläche wegstehenden Rippen 20 versehen ist, sodass die von dem Wasser in der Kammer 7 umströmte Innenfläche des Gehäuses 2 wesentlich größer ist als die Gehäuseaußenfläche und damit unter Berücksichtigung insbesondere auch des für das Gehäuse 2 gewählten Materials mit guter Wärmeleitfähigkeit sicher gestellt ist, dass die Außenfläche des Gehäuses 2 auch bei größerer Kälte in einem Temperaturbereich oberhalb des Gefrierpunktes gehalten wird.A peculiarity of the lance head 1 is also that the inner surface bounding the
Durch die kompakte und kugelförmige Form des Gehäuses 2 wird weiterhin ein schnelles Abperlen von auf die Gehäuseaußenfläche auftreffendes Sprühwasser der Düsen 12 bzw. 18 erreicht, sodass insgesamt ein Vereisen des Lanzenkopfes 1 wirksam verhindert wird.Due to the compact and spherical shape of the
Die Düsenanordnung 9 zeichnet sich durch die Verwendung weitestgehend einheitlicher Komponenten, durch eine kompakte Bauform, durch eine vereinfachte Montage sowie hohe Servicefreundlichkeit aus, und zwar u. a. dadurch, dass sämtliche Komponenten dieser Düsenanordnung 9 auf einem gemeinsamen Träger 13 in sehr kompakter Weise vorgesehen sind.The
Weiterhin bietet die Düsenanordnung 9 einen zusätzlichen Schutz gegen Vereisen, und zwar durch die wärmere Luft im Nukleator 15.Furthermore, the
In einer bevorzugten Ausführungsform des Lanzenkopfes 1 weist dieser mindestens zwei Düsenanordnungen 9 auf, wobei die Düsenachsen DA der mindestens zwei Düsenanordnungen 9 einen Winkel im Bereich von ca. 30° bis 50°, insbesondere 40° aufweisen.In a preferred embodiment of the lance head 1, this has at least two
Die Erfindung wurde voranstehend an einem Ausführungsbeispiel beschrieben. Es versteht sich, dass zahlreiche Änderungen sowie Abwandlungen möglich sind, ohne das dadurch der der Erfindung zugrunde liegende Erfindungsgedanke verlassen wird.The invention has been described above by means of an embodiment. It is understood that numerous changes and modifications are possible without thereby departing from the inventive idea underlying the invention.
- 11
- Lanzenkopflance head
- 22
- LanzenkopfgehäuseLance head housing
- 33
- Lanzelance
- 44
-
erster Kanal in der Lanze 3first channel in the
lance 3 - 55
-
zweiter Kanal in der Lanze 3second channel in the
lance 3 - 66
-
dritter Kanal in der Lanze 3third channel in the
lance 3 - 77
-
größere Kammer im Gehäuse 2larger chamber in the
housing 2 - 7.1, 7.2, 7.37.1, 7.2, 7.3
- Hohlkammerabschnitte der größeren Kammer 7Hollow chamber sections of the larger chamber. 7
- 8.1, 8.28.1, 8.2
-
erste und zweite kleinere Kammer im Gehäuse 2first and second smaller chamber in the
housing 2 - 99
- Düsenanordnungnozzle assembly
- 1010
- Verbindungskanalconnecting channel
- 1111
- Abschlussgraduation
- 1212
- Düsejet
- 1313
- scheibenförmiger Trägerdisc-shaped carrier
- 1414
- Öffnungopening
- 1515
- Nukleatornucleator
- 15.1, 15.215.1, 15.2
- Düsenöffnung des NukleatorsNozzle opening of the nucleator
- 1616
- Verbindungconnection
- 1717
- Öffnungopening
- 1818
- Düsejet
- 1919
- Öffnungopening
- 2020
- Ripperib
- 2121
-
vierter Kanal in der Lanze 3fourth channel in the
lance 3 - 2222
- Öffnungopening
- DATHERE
-
Düsenachse der Düsenanordnung 9 bzw. des Nukleators 15Nozzle axis of the
nozzle assembly 9 and the nucleator 15th
Claims (11)
wobei beispielsweise das Gehäuse (2) an einem Großteil seiner Außenfläche eine konvexe oder runde Formgebung aufweist und/oder das Gehäuse kugelförmig oder teilweise kugelförmig ausgebildet ist.Lance head according to one of the preceding claims, characterized in that the housing (2) on its outer surface at least in the region of the nozzles (12, 15, 18) has a convex or round shape, for example, is curved about at least two mutually perpendicular axes;
wherein, for example, the housing (2) on a major part of its outer surface has a convex or round shape and / or the housing is spherical or partially spherical.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004049430 | 2004-10-08 | ||
| DE102004053984A DE102004053984B3 (en) | 2004-10-08 | 2004-11-09 | Lance head for a snow lance and nozzle arrangement |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1645821A2 true EP1645821A2 (en) | 2006-04-12 |
| EP1645821A3 EP1645821A3 (en) | 2006-05-24 |
| EP1645821B1 EP1645821B1 (en) | 2017-11-29 |
Family
ID=35539639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05007487.1A Active EP1645821B1 (en) | 2004-10-08 | 2005-04-06 | Lance head for a snow lance and nozzle assembly |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7770816B2 (en) |
| EP (1) | EP1645821B1 (en) |
| DE (1) | DE102004053984B3 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2071258A1 (en) | 2007-12-14 | 2009-06-17 | Bächler Top Track AG | Nucleator nozzle, use of a nucleator nozzle, snow cannon, snow blower and method for producing ice nuclei and artificial snow |
| AU2009297034B2 (en) | 2008-09-25 | 2016-06-16 | Sno Tek P/L | Flat jet fluid nozzles with adjustable droplet size including fixed or variable spray angle |
| US8376245B2 (en) * | 2010-01-18 | 2013-02-19 | Ratnik Industries, Inc. | Snow making apparatus and method |
| EP2890499A4 (en) | 2012-08-29 | 2016-05-25 | Snow Logic Inc | Modular dual vector fluid spray nozzles |
| RU2674136C2 (en) | 2012-08-29 | 2018-12-04 | Сноу Лоджик, Инк. | Single and multi-step snowmaking guns |
| WO2014146009A2 (en) | 2013-03-15 | 2014-09-18 | Snow Logic, Inc. | Nucleator for generating ice crystals for seeding water droplets in snow-making systems |
| US11052411B2 (en) | 2017-10-11 | 2021-07-06 | Richard Marcelin Wambsgans | Device and method to create nano-particle fluid nucleation sites in situ |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915302A (en) * | 1988-03-30 | 1990-04-10 | Kraus Robert A | Device for making artificial snow |
| US5884841A (en) * | 1997-04-25 | 1999-03-23 | Ratnik Industries, Inc. | Method and apparatus for making snow |
| US5890652A (en) * | 1997-07-08 | 1999-04-06 | Taylor; Peter | Self-regulating snowmaking nozzle, system and method |
| WO2000025072A1 (en) * | 1998-10-23 | 2000-05-04 | York Neige | Multipurpose spray head useful in particular for making artificial snow |
| US6129290A (en) * | 1997-11-06 | 2000-10-10 | Nikkanen; John P. | Snow maker |
| US6161769A (en) * | 1997-12-16 | 2000-12-19 | Boyne Usa, Inc. | Adjustable snow making tower |
| EP1296105A2 (en) * | 2001-09-19 | 2003-03-26 | HDP Hochdruckprodukte Maschinen und Apparatebau Ges.m.b.H | Method for adjusting the temperature at a spraying and mixing nozzle as well as a spraying and mixing nozzle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3302833A (en) * | 1965-12-21 | 1967-02-07 | Bernard Block | Dispenser for dispensing product at conditioned temperatures |
| US4749127A (en) * | 1987-02-13 | 1988-06-07 | Ash Robert M | Telescoping snow making apparatus and method for using same |
| US5544701A (en) * | 1994-07-19 | 1996-08-13 | Elder; Roy W. | Canister warming apparatus |
| ATE257935T1 (en) * | 1998-02-06 | 2004-01-15 | York Neige | GENERATOR FOR ICE PARTICLES, SNOW PARTICLES, OR WATER-AIR NOZZLE INTEGRATED IN THE WATER SPRAY HEAD |
| FR2784905B1 (en) * | 1998-10-23 | 2001-01-12 | York Neige | VERSATILE SPRAY HEAD USABLE IN PARTICULAR FOR THE MANUFACTURE OF ARTIFICIAL SNOW |
| US6029898A (en) * | 1998-09-16 | 2000-02-29 | Dupre; Herman K. | Snow making tower and method of manufacture |
| US6543699B1 (en) * | 2001-10-15 | 2003-04-08 | Herman K. Dupre | Method and apparatus for making snow |
| US6793148B2 (en) * | 2002-08-10 | 2004-09-21 | Ratnik Industries, Incorporated | Water-only method and apparatus for making snow |
-
2004
- 2004-11-09 DE DE102004053984A patent/DE102004053984B3/en active Active
-
2005
- 2005-04-06 EP EP05007487.1A patent/EP1645821B1/en active Active
- 2005-08-29 US US11/212,641 patent/US7770816B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915302A (en) * | 1988-03-30 | 1990-04-10 | Kraus Robert A | Device for making artificial snow |
| US5884841A (en) * | 1997-04-25 | 1999-03-23 | Ratnik Industries, Inc. | Method and apparatus for making snow |
| US5890652A (en) * | 1997-07-08 | 1999-04-06 | Taylor; Peter | Self-regulating snowmaking nozzle, system and method |
| US6129290A (en) * | 1997-11-06 | 2000-10-10 | Nikkanen; John P. | Snow maker |
| US6161769A (en) * | 1997-12-16 | 2000-12-19 | Boyne Usa, Inc. | Adjustable snow making tower |
| WO2000025072A1 (en) * | 1998-10-23 | 2000-05-04 | York Neige | Multipurpose spray head useful in particular for making artificial snow |
| EP1296105A2 (en) * | 2001-09-19 | 2003-03-26 | HDP Hochdruckprodukte Maschinen und Apparatebau Ges.m.b.H | Method for adjusting the temperature at a spraying and mixing nozzle as well as a spraying and mixing nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1645821A3 (en) | 2006-05-24 |
| DE102004053984B3 (en) | 2006-06-14 |
| US7770816B2 (en) | 2010-08-10 |
| EP1645821B1 (en) | 2017-11-29 |
| US20060079137A1 (en) | 2006-04-13 |
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