Arrangement, use of an arrangement, device, snow lance and method for producing ice nuclei and artificial snow
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25C-003/04
B05B-007/08
출원번호
US-0747980
(2008-07-08)
등록번호
US-9470449
(2016-10-18)
우선권정보
EP-07123230 (2007-12-14)
국제출원번호
PCT/EP2008/058863
(2008-07-08)
§371/§102 date
20101022
(20101022)
국제공개번호
WO2009/077211
(2009-06-25)
발명자
/ 주소
Lehner, Daniela
Fauve, Mathieu
Koch, Bruno
Dangel, Claus
출원인 / 주소
BAECHLER TOP TRACK AG
대리인 / 주소
Davis & Bujold PLLC
인용정보
피인용 횟수 :
0인용 특허 :
30
초록▼
A nucleator nozzle (20) for producing ice nuclei is designed as convergent-divergent nozzle. The nozzle channel (25) has a section (27) that is widening. The ratio of the cross-sectional area of the outlet opening (23) to the cross-sectional area of the nozzle channel (25) in the region of the nucle
A nucleator nozzle (20) for producing ice nuclei is designed as convergent-divergent nozzle. The nozzle channel (25) has a section (27) that is widening. The ratio of the cross-sectional area of the outlet opening (23) to the cross-sectional area of the nozzle channel (25) in the region of the nucleus diameter (26) is at least approximately 4:1. A snow lance (1) having at least one nucleator nozzle (20) and having at least one water nozzle (30; 30′) is designed such that water droplets (32) produced by the water nozzle (30; 30′) pass through a droplet path (31; 31′) of at least 20 cm until they reach ice nuclei (28) from the nucleator nozzle (20) in a germination zone E.
대표청구항▼
1. A snow lance comprising: a body defining a longitudinal axis,at least one ice nucleator nozzle mounted on the body, and said at least one nucleator nozzle being directed radially away from said axis for generating an ice nuclei jet,a first group of water nozzles disposed on said body around said
1. A snow lance comprising: a body defining a longitudinal axis,at least one ice nucleator nozzle mounted on the body, and said at least one nucleator nozzle being directed radially away from said axis for generating an ice nuclei jet,a first group of water nozzles disposed on said body around said axis, at a first axial distance from said at least one nucleator nozzle,a second group of water nozzles disposed on said body around said axis, at a second axial distance away from said at least one nucleator nozzle, with the second axial distance being smaller than said first axial distance,first and second water channels for independently feeding water to said first and second groups of water nozzles, respectively,the water nozzles of said first group being inclined at a first angle with respect to said axis, and the water nozzles of said second group being inclined at a second angle with respect to said axis, and said first angle being smaller than said second angle so that the nucleator nozzle and all of said water nozzles are directed at a common germination zone around said axis,wherein said nucleator nozzle is a convergent-divergent nozzle which has a compressed air inlet, a water inlet, an outlet, and a channel extends between said air inlet and said outlet, said channel has a converging section, a core section and a diverging section, and the diverging section has a ratio of at least 4:1 between its cross sectional area at the outlet to its cross sectional area at the core section. 2. The snow lance of claim 1, wherein said body is substantially cylindrical. 3. The snow lance as claimed in claim 1, wherein said ratio is at least 9:1. 4. The snow lance of claim 1, wherein the first angle with respect to the axis and the second angle with respect to the axis are both between 0° to 45°. 5. The snow lance of claim 1, wherein a plurality of said nucleator nozzles are distributed around a circumference of the body. 6. The snow lance of claim 1, wherein a plurality of water nozzles of the first group are distributed around a circumference of the body. 7. The snow lance of claim 1, wherein a plurality of water nozzles of the second group are distributed around a circumference of the body. 8. The snow lance of claim 1, wherein all of the water nozzles of the second group are oriented such that droplet jets, produced by the water nozzles of the second group, only strike against the ice nuclei jet after passing along a droplet section having a length of at least 20 cm. 9. The snow lance of claim 1, wherein all of the water nozzles of the second group are oriented such that droplet jets, produced by the water nozzles of the second group, only strike against the ice nuclei jet after passing along a droplet section having a length of approximately 40 to 80 cm. 10. The snow lance of claim 1, wherein the water nozzles of the first group and the water nozzles of the second group are oriented such that droplet jets, respectively produced by the water nozzles of the first group and the water nozzles of the second group, only strike against the ice nuclei jet in a common germination zone. 11. The snow lance of claim 1, wherein the at least one ice nucleator nozzle has an ice nuclei section with a length of at least 10 cm, the water nozzles of the first group are charged with water wet bulb temperatures between −1° C. and −4° C. and arranged such that a droplet section of the water nozzles of the first group has a length of approximately 40 to 80 cm, andthe water nozzles of the second group are charged with water wet bulb temperatures below −4° C. and arranged such that a droplet section of the water nozzles of the second group has a length of less than the droplet section of the water nozzles of the first group. 12. The snow lance of claim 1, wherein the water nozzles of the second group are spaced from the at least one nucleator nozzle by a distance of at least 18 cm. 13. The snow lance of claim 1, wherein the water nozzles of the first group are spaced from the at least one nucleator nozzle by a distance of at least 35 cm. 14. A snow lance comprising: a body defining a longitudinal axis,at least one ice nucleator nozzle mounted on the body, and said at least one nucleator nozzle being directed radially away from said axis for generating an ice nuclei jet,a first group of water nozzles disposed on said body around said axis, at a first axial distance from said at least one nucleator nozzle,second group of water nozzles disposed on said body around said axis, at a second axial distance away from said at least one nucleator nozzle, with the second axial distance being smaller than said first axial distance,first and second water channels for independently feeding water to said first and second groups of water nozzles, respectively,the water nozzles of said first group being inclined at a first angle with respect to said axis, and the water nozzles of said second group being inclined at a second angle with respect to said axis, and said first angle being smaller than said second angle so that the nucleator nozzle and all of said water nozzles are directed at a common germination zone around said axis,wherein the at least one ice nucleator nozzle comprises: a nozzle channel having at least one compressed air inlet opening, at least one water inlet opening, and an outlet opening,a cross section of the nozzle channel tapers, in a direction toward the outlet opening, to a smaller diameter core diameter,between the cord diameter and the outlet opening the nozzle channel expands to a larger diameter, anda ratio of the cross section of the outlet opening to the cross section of the core diameter is at least 4:1. 15. The snow lance of claim 14, wherein the ratio of the cross section of the outlet opening to the cross section of the core diameter is at least 9:1. 16. The snow lance of claim 14, wherein the at least one ice nucleator nozzle has an ice nuclei section with a length of at least 10 cm, the water nozzles of the first group are charged with water wet bulb temperatures between −1° C. and −4° C. and arranged such that a droplet section of the water nozzles of the first group has a length of approximately 40 to 80 cm, and the water nozzles of the second group are charged with water wet bulb temperatures below −4° C. and arranged such that a droplet section of the water nozzles of the second group has a length of less than the droplet section of the water nozzles of the first group. 17. The snow lance of claim 14, wherein the water nozzles of the second group are spaced from the at least one nucleator nozzle by a distance of at least 18 cm. 18. The snow lance of claim 14, wherein the water nozzles of the first group are spaced from the at least one nucleator nozzle by a distance of at least 35 cm.
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이 특허에 인용된 특허 (30)
Dupre Herman K., Apparatus and method for making snow.
Lawless John F. (753 Elizabeth Road Rydal PA 19046) Ohrin Leonard J. (2211 Hillthorpe St. Roslyn PA 19001) Emery William M. (36 Red Maple Lane Levittown PA 19055), Artificial snow making method.
Pergay, Bernard; Charriau, Patrick; Galvin, Michel, Snow, ice particle generator, or nucleation device, integrated in a pressurized water spray head for making artificial snow.
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