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Spray aerator

  • US 3,902,671 A
  • Filed: 03/20/1974
  • Issued: 09/02/1975
  • Est. Priority Date: 04/30/1973
  • Status: Expired due to Term
First Claim
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1. A liquid aerator and spray device for selectively producing either an aerated stream of liquid or a needle spray, said device comprising:

  • a member having a stem with a longitudinally extending passageway and at least one laterally directed aperture connected to said passageway, means for connecting said stem to a liquid supply pipe; and

    an assembly for receiving liquid passing out of said at least one aperture and selectively discharging said liquid as an aerated stream or a needle spray, said assembly comprising a liquid valving member, spray forming means and aerating means;

    said valving member being mounted on said stem and having at least one side opening, saiD valving member being slidable on said stem between a first position in which said at least one side opening communicates with said at least one aperture and a second position in which said at least one side opening is blocked from receiving liquid discharged from said at least one aperture;

    said spray forming means being mounted for movement with said valving member relative to said stem and comprising means defining a plurality of discharge openings that are disposed in a concentric array around said stem and are in liquid communication with said at least one side opening in said valving member;

    said aerating means being mounted for movement with said valving member and said spray forming means relative to said stem and comprising means for mixing air with liquid delivered thereto via said at least one aperture of said stem;

    said valving member comprising means for directing liquid discharged from said at least one aperture of said stem into said aerating means when said valving member is in said second position.

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