Method and apparatus for producing snow using ultrasonic waves
US5102043A · kind A · utility
4Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1991 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Feb 26, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25C2303/0481
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method for producing snow comprises producing a group of waterdrops by jetting water or water together with compressed air from a nozzle into the atmosphere of 0.degree. C. or less, and freezing the group of waterdrops jetted by applying ultrasonic waves to the group of waterdrops. An apparatus for producing snow comprises a jetting apparatus for producing a group of waterdrops by jetting water or water together with compressed air into the atmosphere of 0.degree. C. or less, and an ultrasonic wave generator for applying ultrasonic waves to the group of waterdrops jetted by the jetting apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.