[특허]Multi-mode hands free automatic faucet

Jonte, Patrick B.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Multi-mode hands free automatic faucet

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-031/02 G05D-007/06
미국특허분류(USC)	137/001; 137/801; 251/129.04; 004/623
출원번호	US-0518842 (2007-12-11)
등록번호	US-8127782 (2012-03-06)
국제출원번호	PCT/US2007/025336 (2007-12-11)
§371/§102 date	20090611 (20090611)
국제공개번호	WO2008/088534 (2008-07-24)
발명자 / 주소	Jonte, Patrick B. Rodenbeck, Robert W. Burke, David M. Marty, Garry R. Huffington, Todd
출원인 / 주소	Jonte, Patrick B.
대리인 / 주소	Daniels, Faegre Baker
인용정보	피인용 횟수 : 18 인용 특허 : 348

초록

A hands-free faucet comprises a proximity sensor, a logical control, a handle, a spout, and a touch control operably coupled to at least one of the spout and the handle.

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1. A faucet comprising: a faucet body hub;a manual valve handle movably coupled to the faucet body hub to control a manual valve, the manual valve handle being electrically coupled to the faucet body hub;a spout coupled to the faucet body hub by an insulator so that the spout is electrically isolated from the faucet body hub;a capacitive sensor having an electrode coupled to at least one of the faucet body hub and the manual valve handle; anda controller coupled to the capacitive sensor, the controller determining which of the manual valve handle and the spout is touched by a user based on an output signal from the capacitive sensor, and wherein a first output signal change is detected by the controller when the manual valve handle is touched by a user, and a second output signal change is detected by the controller when the spout is touched by a user, the first output signal change being greater than the second output signal change. 2. The faucet of claim 1, wherein the capacitive sensor is an oscillator having an input coupled to the electrode and an output coupled to the controller. 3. The faucet of claim 1, wherein the controller uses the output signal from the capacitive sensor to distinguish between when the manual valve handle is tapped by the user, when the manual valve handle is grabbed by the user, when the spout is tapped by the user, and when the spout is grabbed by the user to control operation of the faucet in different modes. 4. The faucet of claim 1, wherein the faucet comprises a single hole mount faucet. 5. The faucet of claim 1, wherein the insulator defines a capacitive coupling between the hub and the spout. 6. The faucet of claim 5, wherein the insulator includes a radially outwardly extending flange positioned intermediate a lower end of the spout and an upper end of the hub to reduce the effects of water droplets providing an electrical bridge therebetween. 7. A faucet comprising: a faucet body hub;a manual valve handle movably coupled to the faucet body hub to control a manual valve;a contact assembly configured to electrically couple the manual valve handle to the faucet body hub, the contact assembly including a support and a resilient contact member movably coupled to the support to move along with the valve handle;a spout coupled to the faucet body hub by an insulator so that the spout is electrically isolated from the faucet body hub;a capacitive sensor having an electrode coupled to at least one of the faucet body hub and the manual valve handle; anda controller coupled to the capacitive sensor, the controller determining which of the manual valve handle and the spout is touched by a user based on an output signal from the capacitive sensor. 8. The faucet of claim 7, wherein the manual valve includes a movable valve stem, and the resilient contact member includes a spring receiving the stem. 9. A faucet comprising: a faucet body hub;a manual valve supported by the hub, the valve including a movable valve stem;a manual valve handle movably supported by the hub and operably coupled to the valve stem to control the manual valve, the manual valve handle including a user input member;a spout supported by the hub; anda capacitive coupling positioned intermediate the user input member of the handle and the spout. 10. The faucet of claim 9, further comprising: a capacitive sensor coupled to the hub; anda controller operably coupled to the capacitive sensor, the controller determining which of the user input member of the manual valve handle and the spout is touched by a user based on an output signal from the capacitive sensor. 11. The faucet of claim 9, wherein the capacitive coupling is defined by an insulator positioned intermediate the hub and the spout. 12. The faucet of claim 11, wherein the hub includes a base and an upwardly extending inner member concentrically received within the spout, and the insulator includes a side wall positioned intermediate the inner member and the spout. 13. The faucet of claim 11, wherein the insulator includes a radially outwardly extending flange positioned intermediate a lower end of the spout and an upper end of the hub to reduce the effects of water droplets providing an electrical bridge therebetween. 14. The faucet of claim 9, wherein the capacitive coupling is defined by an insulator positioned intermediate the hub and the user input member of the handle. 15. The faucet of claim 9, wherein the capacitive sensor is an oscillator having an input coupled to the electrode and an output coupled to the controller. 16. The faucet of claim 9, wherein the controller uses the output signal from the capacitive sensor to distinguish between when the user input member of the handle is tapped by the user, when the user input member of the handle is grabbed by the user, when the spout is tapped by the user, and when the spout is grabbed by the user to control operation of the faucet in different modes. 17. The faucet of claim 9, wherein the faucet comprises a single hole mount faucet. 18. The faucet of claim 9, wherein a first output signal change is detected by the controller when the user input member of the handle is touched by a user, and a second output signal change is detected by the controller when the spout is touched by a user, the first output signal change being greater than the second output signal change. 19. The faucet of claim 9, wherein a contact assembly electrically couples the manual valve handle to the hub, the contact assembly including a support and a resilient contact member movably coupled to the support to move along with the valve handle. 20. The faucet of claim 19, wherein the resilient contact member includes a spring receiving the valve stem. 21. A faucet comprising: a first component;a second component;an impedance coupling between the first component and the second component;a sensor coupled to the first component; anda controller operably coupled to the sensor, the controller determining which of the first component and the second component is touched by a user based on an output signal from the sensor, wherein a first output signal change is detected by the controller when the first component is touched by the user, and a second output signal change is detected by the controller when the second component is touched by the user, the first output signal change being different than the second output signal change. 22. The faucet of claim 21, wherein the first component comprises a faucet body hub, and the second component comprises a spout coupled to the faucet body hub by an insulator. 23. The faucet of claim 21, wherein the first component comprises a faucet body hub, and the second component comprises a manual valve handle movably coupled to the faucet body hub to control a manual valve. 24. The faucet of claim 21, wherein the impedance coupling is a capacitive coupling. 25. The faucet of claim 24, wherein the capacitive coupling has a capacitance of 100 pF. 26. The faucet of claim 21, wherein the impedance coupling is a resistive coupling. 27. The faucet of claim 26, wherein the resistive coupling has a resistance of 1.5K ohms. 28. A method comprising: determining a characteristic impedance of a human body;coupling a first faucet component to a second faucet component with an impedance coupling having an impedance selected to approximate the characteristic impedance of a human body;coupling a sensor to the first faucet component; anddetermining which of the first faucet component and the second faucet component is touched by a user based on an output signal from the sensor, wherein a first output signal change is detected when the first faucet component is touched by the user, and a second output signal change is detected when the second faucet component is touched by the user, the first output signal change being different than the second output signal change. 29. The method of claim 28, wherein the impedance coupling is a capacitive coupling. 30. The method of claim 29, wherein the capacitive coupling has a capacitance of 100 pF. 31. The method of claim 28, wherein the impedance coupling is a resistive coupling. 32. The method of claim 31, wherein the resistive coupling has a resistance of 1.5K ohms. 33. The method of claim 28, wherein the sensor is a capacitive sensor.

이 특허에 인용된 특허 (348)

이 특허를 인용한 특허 피인용횟수: 18

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Multi-mode hands free automatic faucet

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Multi-mode hands free automatic faucet

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이 특허에 인용된 특허 (348)

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