Automatic proximity faucet
First Claim
Patent Images
1. A hands-free faucet in the proximity of an electrical ground to provide water from at least one reservoir comprising:
- a conductive sensing plate;
a capacitor-based sensor circuit electrically connected to said sensing plate;
a non-conductive valve housing having a valve inlet and valve outlet, wherein said valve outlet is operatively connected to said conductive spout;
a non-conductive seating ring situated between said valve inlet and said valve outlet;
a conductive connector traversing said seating ring; and
a grounding wire connecting said capacitor-based sensor circuit to said electrical ground.
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Abstract
A hands-free faucet includes a sensing plate, a capacitor-based sensor circuit, a non-conductive valve housing, a non-conductive seating ring, and a conductive connector. Preferably, the capacitor-based sensor circuit is electrically connected to said sensing plate. Furthermore, the non-conductive valve housing preferably further comprises a valve inlet and valve outlet. Preferably, said non-conductive seating ring is located between the valve inlet and valve outlet, and is traversed by the conductive connector. In a preferred embodiment, the conductive connector is a metal pin.
149 Citations
19 Claims
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1. A hands-free faucet in the proximity of an electrical ground to provide water from at least one reservoir comprising:
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a conductive sensing plate; a capacitor-based sensor circuit electrically connected to said sensing plate; a non-conductive valve housing having a valve inlet and valve outlet, wherein said valve outlet is operatively connected to said conductive spout; a non-conductive seating ring situated between said valve inlet and said valve outlet; a conductive connector traversing said seating ring; and a grounding wire connecting said capacitor-based sensor circuit to said electrical ground. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A hands-free faucet for installation on an electrically conductive surface in the proximity of an electrical ground comprising:
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a conductive spout; a non-conductive top and bottom spacer located between said spout and said conductive surface; a capacitor-based sensor circuit electrically connected to said spout; a non-conductive valve housing having a valve inlet and valve outlet, wherein said valve outlet is operatively connected to said conductive spout; a conductive pin within said valve housing which provides a continuous electrical connection between said valve inlet and valve outlet; and a first electrically conductive conduit electrically connecting said capacitor-based sensor circuit to said electrical ground. - View Dependent Claims (17, 18, 19)
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Specification