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Third faucet system with above sink purity indicator

  • US 4,623,451 A
  • Filed: 02/19/1985
  • Issued: 11/18/1986
  • Est. Priority Date: 02/19/1985
  • Status: Expired due to Term
First Claim
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1. A drinking water delivery system for connection to a purification apparatus that receives water from a source and treats the water to remove an amount of unwanted substances from the water, comprising:

  • faucet means adapted for connection to the purification apparatus and having means manually operable from an OFF condition to an ON condition for dispensing the treated water, including means for providing a visual or audible signal to a person when energized, a switch actuated in response to the ON condition, a pair of electrodes, and means for mounting the electrodes for contacting the treated water; and

    circuit means connecting the switch, the electrodes and the signal providing means for charging the electrodes to thereby determine a level or purity of the treated water being dispensed only during the ON condition, and for thereafter energizing the signal providing means only when the treated water has a level of purity above or below a predetermined target purity level.

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