Liquid concentrate/extract beverage dispenser with replaceable concentrate/extract cartridge
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B67D-007/74
A47J-031/40
F04B-049/06
출원번호
US-0114050
(2008-05-02)
등록번호
US-8210396
(2012-07-03)
발명자
/ 주소
Girard, Jeffrey J.
Pirshafiey, Nasser
Vassaux, Mario E.
Kay, Heather B.
Greenwald, Shlomo
Greenwald, Zipora
출원인 / 주소
Intelligent Coffee Company, LLC
대리인 / 주소
Volpe and Koenig, P.C.
인용정보
피인용 횟수 :
12인용 특허 :
78
초록▼
A concentrate/extract cartridge for dispensing a liquid concentrate/extract is provided. The cartridge includes a hollow body and a dispensing tube that contains a pumping device. The cartridge includes a valve having a valve stem that passes through a port of a valve seat connected to the dispensin
A concentrate/extract cartridge for dispensing a liquid concentrate/extract is provided. The cartridge includes a hollow body and a dispensing tube that contains a pumping device. The cartridge includes a valve having a valve stem that passes through a port of a valve seat connected to the dispensing tube. A piston is located at a first end of the valve stem and a valve body is located at a second end of the valve stem in removable contact with the valve seat for alternately opening and closing the port. The piston can also includes a membrane positioned on a side facing the valve stem configured to permit a flow of fluid into the dispensing tube when the valve body is in contact with the valve seat and to permit the fluid to be forcibly expressed from the dispensing tube when the valve body is moved from its contact position. A liquid dispenser suitable for numerous applications, having a removably insertable concentrate/extract cartridge and a method of dispensing a liquid are also provided.
대표청구항▼
1. An appliance including a dispenser for a liquid and comprising: a housing including a dispensing area for dispensing a fluid;a cartridge receiving area in the housing;an electromagnetic dispensing actuator located in the housing;a concentrate/extract cartridge removably insertable into the cartri
1. An appliance including a dispenser for a liquid and comprising: a housing including a dispensing area for dispensing a fluid;a cartridge receiving area in the housing;an electromagnetic dispensing actuator located in the housing;a concentrate/extract cartridge removably insertable into the cartridge receiving area in a position to be actuated by the dispensing actuator, the concentrate/extract cartridge adapted to hold a fluid to be dispensed into the dispensing area after placement into the cartridge receiving area, the concentrate/extract cartridge comprising:a hollow body adapted to contain the fluid to be dispensed;a dispensing tube connected to the hollow body;a piston located in the dispensing tube; anda valve having a first end connected to the piston or extending through an opening in the piston, a valve stem that passes through a port of a valve seat connected to the dispensing tube, the port defining a flow passage through the dispensing tube, and a valve body located at a second end of the valve stem in removable contact with the valve seat, for alternately opening and closing the port; anda controller located in the housing to control the actuator to discharge the fluid to be dispensed from the cartridge:wherein the piston has a piston flow through area, corresponding to a flow area of through apertures in the piston added to a flow area through an annular gap between the outer perimeter of the piston and an interior surface of the dispensing tube, of between 20% to 40% of a flow area defined by the interior surface of the dispensing tube, and the through apertures have a depth which is three to five times their respective width. 2. An appliance according to claim 1, wherein the valve stem is connected to the piston at the first end of the valve stem, the piston includes a membrane configured to permit a flow of fluid into the dispensing tube when the valve body is in contact with the valve seat and to forcibly express the fluid from the dispensing tube when the piston is moved downwardly and the valve body is moved from a contact position with the valve seat. 3. The appliance of claim 2, wherein the piston comprises ferromagnetic material. 4. The appliance of claim 2, wherein the valve seat comprises ferromagnetic material. 5. The appliance of claim 4, further comprising a joining tube connected to the diluent supply line and removably connected to the dispensing tube of the concentrate/extract cartridge, wherein the diluent supply line is positioned to deliver a stream of diluent into the joining tube generally perpendicular to a stream of concentrate/extract delivered into the joining tube by the dispensing tube. 6. The appliance of claim 1, wherein the valve body comprises an o-ring to provide a seal with the valve seat when the valve body is closed. 7. The appliance of claim 1, further comprising a diluent supply line connected to at least one of a pump and a control valve for delivering a stream of diluent with the fluid, wherein the dispensing tube of the concentrate/extract cartridge is positioned to deliver a stream of the fluid into the stream of the diluent. 8. The appliance of claim 1, wherein an exit orifice of the dispensing tube is sized between 0.04 inch and 0.12 inch in diameter, whereby a flow of concentrate/extract exiting the dispensing tube is substantially atomized. 9. The appliance of claim 8, wherein the controller controls other appliance functions, such as temperature. 10. The appliance of claim 1, wherein the piston comprises a ferromagnetic element and wherein the actuator comprises: a wound coil for producing a magnetic flux;a focusing ring made of a ferromagnetic material connected to the coil in proximity to the dispensing tube; anda pole piece made of a ferromagnetic material connected to the coil in proximity to the dispensing tube spaced from the focusing ring. 11. The appliance of claim 1, wherein the dispensing actuator includes an aperture for removably receiving the dispensing tube of the concentrate/extract cartridge, and the beverage dispenser further comprises a loading door which includes a retaining plate, the loading door being pivotably attached to the housing, wherein in a closed position of the loading door, the retaining plate holds the dispensing tube within the aperture in the actuator to retain the concentrate/extract cartridge in the housing, and wherein in an open position of the loading door, the concentrate/extract cartridge is removable from the housing. 12. The appliance of claim 1, wherein the dispensing tube includes a top and bottom flexing member, and the piston is connected to an intermediate portion of the dispensing tube between the top and bottom flexing members, the valve stem extends through an opening in the piston and the valve seat is located on a side of the piston facing the valve body, the piston being moveable up and down through flexing of the top and bottom flexing members. 13. The appliance of claim 1, wherein the appliance is a refrigerator or a water cooler, and the dispensing tube is directed toward a water outlet, the controller controls the dispensing actuator such that the fluid from the concentrate/extract cartridge is dispensed as the water is dispensed from the appliance. 14. The appliance of claim 1, wherein the appliance is a dish washer or a washing machine, and the controller controls the washing cycle and the dispensing of a predetermined or programmable amount of fluid from the cartridge in accordance with a predetermined time in the washing cycle. 15. The appliance of claim 1, wherein the appliance is a baby formula dispenser, and the controller controls an amount of the fluid being dispensed from the cartridge, and a temperature of baby formula dispensed. 16. The appliance of claim 1, wherein the appliance is a medicine dispenser, and the controller controls an amount of medicine dispensed based on input parameters. 17. The appliance of claim 1, wherein the appliance is selected from the group consisting of a refrigerator, a water cooler, a dish washer, a washing machine, a baby formula dispenser and a medicine dispenser. 18. A concentrate/extract cartridge for a fluid dispenser adapted to dispense a fluid, the cartridge comprising: a hollow body;a dispensing tube connected to the hollow body;a piston slideably contained by an interior surface of the dispensing tube; anda valve having a first end connected to the piston or extending through an opening in the piston, a valve stem that passes through a port of a valve seat connected to the dispensing tube, the port defining a flow passage through the dispensing tube, the valve stem being connected to the piston at a first end of the valve stem, and a valve body located at a second end of the valve stem in removable contact with the valve seat, for alternately opening and closing the port,the piston includes a membrane configured to permit a flow of fluid into the dispensing tube when the valve body is in contact with the valve seat and to forcibly express fluid from the dispensing tube when the piston is moved downwardly and the valve body is moved from a contact position with the valve seat;wherein the piston has a piston flow through area, corresponding to a flow area of through apertures in the piston added to a flow area through an annular gap between the outer perimeter of the piston and an interior surface of the dispensing tube, of between 20% to 40% of a flow area defined by the interior surface of the dispensing tube, and the through apertures have a depth which is three to five times their respective width. 19. The concentrate/extract cartridge of claim 18, further comprising an exit orifice at an end of the dispensing tube that is sized between 0.06 inch and 0.12 inch in diameter, whereby a flow of fluid exiting the dispensing tube is substantially atomized. 20. The concentrate/extract cartridge of claim 18, further comprising the piston including apertures having depths which are at least double the respective widths thereof. 21. The concentrate/extract cartridge of claim 18, further comprising the piston including apertures having diameters between 0.06 inch and 0.09 inch. 22. The concentrate/extract cartridge of claim 18, further comprising the piston including apertures having alternating diameters of 0.074 inch and 0.082 inch. 23. The concentrate/extract cartridge of claim 18, further comprising the valve stem having a diameter at the port of between 0.06 inch and 0.12 inch. 24. The concentrate/extract cartridge of claim 18, further comprising a port flow through area, corresponding to a cross-sectional area through the port minus a cross-sectional area of the valve stem at the port that is between 2% and 4% of a flow area defined by the dispensing tube. 25. A concentrate/extract cartridge for a fluid dispenser adapted to dispense a fluid, the cartridge comprising: a hollow body;a dispensing tube connected to the hollow body, the dispensing tube includes a top and bottom flexing member, and a piston is connected to an intermediate portion of the dispensing tube between the top and bottom flexing members; anda valve having a valve stem that passes through a port of a valve seat formed in the piston, the port defining a flow passage through the dispensing tube, a valve body located at a second end of the valve stem in removable contact with the valve seat, for alternately opening and closing the port, the valve stem extends through an opening in the piston and the valve seat is located on a side of the piston facing the valve body, the piston being moveable up and down through flexing of the top and bottom flexing members;wherein the piston has a piston flow through area, corresponding to a flow area of through apertures in the piston added to a flow area through an annular gap between the outer perimeter of the piston and an interior surface of the dispensing tube, of between 20% to 40% of a flow area defined by the interior surface of the dispensing tube, and the through apertures have a depth which is three to five times their respective width.
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