US PATENT SUBCLASS 239 / 428.5
.~ Liquid flow induces atmospheric air (e.g., faucet aerator)


Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

398  DF  COMBINING OF SEPARATELY SUPPLIED FLUIDS (I.E., PLURAL FLOW PATHS) {9}
428.5.~ 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.