.~ Liquid flow induces atmospheric air (e.g., faucet aerator)
DEFINITION
Classification: 239/428.5
(under subclass 398) Apparatus comprising a fluid path connected to a source of liquid and an opening exposed to ambient air, the liquid, passing through the apparatus, causing a lowered pressure and aspirating ambient air through the opening into the flowing liquid.
SEE OR SEARCH CLASS
261, Gas and Liquid Contact Apparatus, appropriate subclasses, especially
76, and 78.1 for a device in which a flowing liquid stream aspirates ambient air, combined with a baffle, screen or other device to mix the gas and liquid, and see Lines With Other Classes of the class definition of this class, Fluid Sprinkling, Spraying, and Diffusing, for the line between the two classes.