[특허]End-of-faucet filter

Instapure Brands, Inc.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

End-of-faucet filter

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-035/04 B01D-035/00
미국특허분류(USC)	210/087; 210/449; 210/422; 210/419
출원번호	US-0955754 (2004-09-29)
등록번호	US-7326334 (2008-02-05)
발명자 / 주소	Boyd,Brian Hoopis,Michael P.
출원인 / 주소	Instapure Brands, Inc.
대리인 / 주소	Smith,Ronald E.
인용정보	피인용 횟수 : 23 인용 특허 : 386

초록
▼

Various embodiments of an end-of-faucet filter assembly connectable with a faucet on a standard sink and having a plurality of outlets corresponding with selectable modes of operation are disclosed herein. One mode of operation provides unfiltered, aerated water dispensed from the filter assembly. A second mode of operation provides a pulsing jet spray, while a third mode of operation provides filtered water. One embodiment of the present invention also includes a connection assembly between the end-of-faucet filter and the faucet that utilizes a water-tight radial seal that allows the end-of-faucet filter to swing or rotate back and forth relative to the faucet without impairing the integrity of the seal. Other embodiments of the present invention also include a filter cartridge assembly configured to provide a user with an easy method of removing and installing the cartridge.

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청구항
▼

What is claimed is: 1. An apparatus connected to an outlet end of a faucet, comprising: a header assembly; said header assembly including an inlet in fluid communication with a remote source of water under pressure; a first header assembly outlet in fluid communication with said inlet; a second header assembly outlet in fluid communication with said inlet; a third header assembly outlet in fluid communication with said inlet; said first header assembly outlet being disposed in substantial axial alignment with said outlet end of said faucet so that water flowing through said faucet flows through said first header assembly outlet in a substantially straight path of travel; an aerator disposed in substantial axial alignment with said substantially straight path of travel so that water flowing through said faucet enters said header assembly, flows through said aerator, and exits said header assembly through said first header assembly outlet so that water flowing out of said first header assembly outlet is aerated; said second header assembly outlet disposed in fluid communication with said outlet end of said faucet, said second header assembly outlet disposed laterally with respect to said first header assembly outlet; a jet spray adapter secured to said second header assembly outlet so that water flowing out of said second header assembly outlet is pulsating; said third header assembly outlet disposed in fluid communication with said outlet end of said faucet, said third header assembly outlet disposed laterally with respect to said first and second header assembly outlets; a filter cartridge in fluid communication with said third header assembly outlet, said filter cartridge being in fluid communication with said outlet end of said faucet so that water flowing out of said third header assembly outlet is filtered; a manifold disposed within said header assembly; said manifold including a first manifold chamber in fluid communication with said inlet; said manifold including a second manifold chamber in fluid communication with said inlet; a jet duct, formed in said manifold, providing fluid communication between said first manifold chamber and said second header assembly outlet; a filter duct, formed in said manifold, providing fluid communication between said second manifold chamber and said third header assembly outlet; a valve body disposed within said manifold; said valve body including a jet valve lumen and a jet valve slideably disposed within said jet valve lumen; said valve body including a filter valve lumen and a filter valve slidably disposed within said filter valve lumen; said slideably mounted jet valve having a normally closed position that prevents water from said inlet from flowing to said jet duct and having an open position that constrains water from said inlet to flow to said jet duct and hence to said second header assembly outlet only, to the exclusion of said first and third header assembly outlets; said slideably mounted filter valve having a normally closed position that prevents water from said inlet from flowing to said fitter duct and having an open position that constrains water from said inlet to flow to said filter duct and hence to said third header assembly outlet only, to the exclusion of said first and second header assembly outlets; a slot formed in said header assembly; a finger grip mounted externally of said header assembly so that it can be gripped by a user; said finger grip having a neutral, first position that positions said jet valve and said filter valve in their respective closed positions so that water from said inlet flows to said first header assembly outlet only, to the exclusion of said second and third header assembly outlets; said finger grip having a second position that positions said jet valve in an open position and said filter valve in a closed position so that water flowing from said inlet flows to said second header assembly outlet; said finger grip having a third position that positions said jet valve in a closed position and said filter valve in an open position so that water flowing from said inlet flows to said third header assembly outlet; a snap collar disposed internally of said header assembly; said snap collar being mounted for rotation within said header assembly; an actuator bridge extending though said slot and interconnecting said finger grip and said snap collar; a linkage that independently engages said snap collar to said slideably mounted jet valve and to said slideably mounted filter valve; said second position of said finger grip being rotatably spaced apart from said first, neutral position; said third position of said finger grip being rotatably spaced apart from said first, neutral position in a direction opposite to said second position; whereby movement of said finger grip from said first, neutral position to said second position causes rotation of said snap collar, movement of said linkage that independently engages said snap collar to said slideably mounted jet valve, and opening of said slideably mounted jet valve so that water flowing from said inlet is constrained to flow to said second header assembly outlet; and whereby movement of said finger grip from said first, neutral position to said third position causes rotation of said snap collar, movement of said linkage that independently engages said snap collar to said slideably mounted filter valve, and opening of said slideably mounted filter valve so that water flowing from said inlet is constrained to flow to said third header assembly outlet. 2. The apparatus of claim 1, further comprising: a turbine disposed downstream of said jet valve duct and upstream of said second header assembly outlet; said turbine being rotatably mounted so that it rotates when water flows through it; a processor; a switch in electrical communication wit said processor, said switch adapted to count a number of rotations of said turbine and to send electrical signals including count information to said processor; said processor adapted to translate said count information into a water volume; said processor adapted to compare a water volume calculated from said count information with a maximum water volume; and said processor adapted to produce a signal when said water volume calculated from said count information exceeds said maximum water volume. 3. The apparatus of claim 2, wherein said signal illuminates an LED. 4. The apparatus of claim 2, further comprising: a reset switch that enables a user to reset said count information to zero; whereby said user may set said count information to zero when a new filter cartridge is installed. 5. The apparatus of claim 1, further comprising: a turbine disposed downstream of said jet valve duct and upstream of said second header assembly outlet; said turbine being rotatably mounted so that it rotates when water flows through it; a processor adapted to track a usage time measured from installation of said filter; and said processor adapted to produce a signal when said measurement of said usage time exceeds a predetermined amount of time. 6. The apparatus of claim 1, further comprising: a turbine including at least one blade; a chamber having an inlet and an outlet; said turbine being rotatably mounted within said chamber; said outlet being in fluid communication with a plurality of jets; whereby water flows through said chamber and rotates said turbine; and whereby said water flows through said outlet and hence through said plurality of jets. 7. The apparatus of claim 6, further comprising: said turbine including a web adapted to block water flow from said chamber to at least one jet of said plurality of jets. 8. The apparatus of claim 1, further comprising: a connection assembly adapted to connect said inlet to said outlet end of said faucet; said connection assembly including a water-tight seal between said inlet and said outlet end of said faucet; said connection assembly including a nipple adapted to threadedly engage said outlet end of said faucet; said nipple defining a ledge; an O-ring adapted to receive said nipple; a cap having a rim adapted to engage said ledge; said cap adapted to threadedly engage said inlet of said header assembly; and said inlet defining a cap adapted to receive said O-ring and part of said nipple; whereby said header assembly pivots about said outlet end of said faucet without compromising said water-tight seal. 9. The apparatus of claim 1, further comprising: said filter cartridge assembly including at least one bayonet post; said header assembly including at least one clip; and said at least one bayonet post adapted to engage said at least one clip. 10. The apparatus of claim 1, further comprising: said filter cartridge assembly including at least one button post; said header assembly including at least one slot; and said at least one button post adapted to engage said at least one slot.

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End-of-faucet filter

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End-of-faucet filter

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이 특허에 인용된 특허 (386)

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