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Shower head volume meter with alarm signal

  • US 4,936,508 A
  • Filed: 05/02/1989
  • Issued: 06/26/1990
  • Est. Priority Date: 05/02/1989
  • Status: Expired due to Fees
First Claim
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1. A self-contained volume meter for a fluid dispenser comprising,a body member having inlet means for attaching said body member to a source of fluid, said body member having an outlet and a flow path from said inlet means to said outlet,means within said path and responsive to fluid flow within said path for generating a magnetic flux rotating at a rate corresponding to a fluid flow rate,pickup means receiving said magnetic flux and structurally associated with said body member for producing electrical signal pulses at a rate corresponding to said magnetic flux rotation rate,means in electrical communication with said pickup means for supplying electrical power from said fluid flow through path,means in power-utilization relation with said supply means and in pulse-receiving relation with said pickup means for calculating a volume of fluid flowing through said path,means receiving power from said supply means for comparing said calculated volume with a desired total volume, andalarm means in electrical power-receiving communication with said supply means for indicating when said calculated volume has reached said desired total volume, said alarm means being attached to said body member.

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