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Flow control apparatus

  • US 7,503,345 B2
  • Filed: 08/17/2006
  • Issued: 03/17/2009
  • Est. Priority Date: 08/17/2006
  • Status: Expired due to Fees
First Claim
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1. A flow-controller for three-way adjustment of flow thru a showerhead comprising;

  • a body with an inlet connection to a water supply and an outlet connection to a showerhead;

    a circumferential bore in the body in fluid contact with the water inlet and outlet connections;

    a control element in close mating, but rotatable, relationship with the bore in the body;

    sealing means between the control element and bore in the body wherein the control element includes multiple longitudinal passages therethrough comprising;

    a first passage having a diameter of sufficient size to permit substantially full flow of water reaching the inlet connection of the body to flow through the control element and reach the outlet connection,a second passage having a sufficiently narrow diameter to substantially restrict water flow thru the control element to a small dripping flow that mimics weeping,a third passage including a flexible flow restrictor therein, anda lever attached to the control element to rotate it within the body to respectively align one of the fist, second or third passages with the inlet and outlet connections of the body and thereby control flow through the body to one of three amounts according to the alignment of the particular passage.

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