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US 4,394,965 AGranted
Pulsating shower using a swirl chamber
AssigneeFriedrich Grohe Armaturenfabrik GmbH & Co.
InventorsWolfgang Backe, Wolf-Dieter Goedecke, Reinhard Schwenzer
Life of this patent
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Abstract
A shower head which provides a pulsating output utilizes a swirl chamber to impart a swirl to the water flow. The use of water driven parts is thereby eliminated.
Claims5
A shower fixture connected to a fluid supply, said shower fixture comprising:
- a swirl chamber,
- said swirl chamber being of approximately cylindrical shape and having a central longitudinal axis,
- said chamber having an upstream end face, said upstream end face having an inlet opening, said inlet opening being positioned on said central longitudinal axis and in fluid communication with said fluid supply to provide a supply jet, said swirl chamber having a downstream end face having a plurality of outlet apertures arranged along a pitch circle, said pitch circle being concentric with said central longitudinal axis,
- and means for generating a control flow, said control flow means comprising one or more tangentially located inlet apertures in the wall of said swirl chamber, said inlet apertures being located near said upstream end face.
1 more element
Dependencies are inferred from the claim text.