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US 5,156,333 AGranted
Apparatus for producing fog
AssigneeThe BOC Group, Inc.
InventorJonathan P. Worsfold
Life of this patent
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Abstract
A method of producing a breathable fog comprises (a) passing air through a dryer unit to remove moisture; (b) cooling the dried air to a temperature below 0.degree. C.; and (c) inducing water vapor into the dried and cooled air to produce breathable fog.
Claims8
A method of producing fog comprising the steps of:
- (a) passing air through a drier unit to remove moisture;
- (b) cooling the dried air to a temperature below 0.degree. C.;
- and
- (c) inducing water vapor into the dried and cooled air to produce breathable fog.
1 more element
An apparatus for producing fog comprising means for directing a stream of air through a drier unit, means for cooling the air to a temperature below 0.degree. C. located downstream of the drier unit and means for inducing water vapor into the air stream located downstream of the cooling means.
Dependencies are inferred from the claim text.