Dual pressure compensating snowmaking apparatus
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United States of America Patent
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-
Mar 15, 1988
Grant Date -
N/A
app pub date -
Jan 12, 1987
filing date -
Jan 12, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A snowmaking apparatus is formed of a concentric tubes to define an outer flow passage and an inner circular passage with water carried within the inner flow passage ejected across a pressure compensated annular gap defined by the end of the inner tube and the confronting surface of a spring biased nozzle disk tending to close off that annular gap. The same nozzle disk defines a second annular gap between the nozzle disk and an annular ring fixedly mounted within the outer flow passage has an end face confronting the end face of the nozzle disk. The nozzle disk is preferably mounted on a valve stem and spring biased toward dual gap closing position with the water flow through the inner tube and the compressed air flow through the outer tube acting against the spring bias for dual pressure compensation of the annular gap width, thereby modulating the position of the nozzle disk depending upon the relative pressures of the water and compressed air flows, to maintain the snowmaking capability of the apparatus irrespective of available compressed air and water pressure.
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