Beverage making system with flow meter measurement control and method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47J-03140
A47J-03156
출원번호
US-0078600
(2002-02-19)
발명자
/ 주소
Lassota, Zbigniew G.
Lassota, Michael W.
출원인 / 주소
Food Equipment Technologies Company, Inc.
대리인 / 주소
Potthast &
인용정보
피인용 횟수 :
8인용 특허 :
12
초록▼
A beverage brewing system (10) having a controller (52) responsive to a comparison of preselected values of total brew water and total diluent water stored in a program memory (62) and to actual quantities measured by one or two flow meter (36, 36′) to control operation of a brew valve (46) passing
A beverage brewing system (10) having a controller (52) responsive to a comparison of preselected values of total brew water and total diluent water stored in a program memory (62) and to actual quantities measured by one or two flow meter (36, 36′) to control operation of a brew valve (46) passing water to a hot water tank (14) and a diluent valve (50) for passing water directly to a mixing chamber (28). The controller is also responsive to a level sensor (20) to control the brew valve (46) to keep the hot water tank filled with water. The preselected amounts may be changed for different brewing conditions to obtain different total quantities of beverage or different ratios of hot brew water passed through the brew basket (24) to cold diluent water passed directly to the mixing chamber, or serving urn (28).
대표청구항▼
1. In a beverage brewing system connectable with a source of water and having a brew basket for holding extract ingredient, and a mixing chamber for receipt of both liquid drink extract and a quantity of diluent water for mixing together into a beverage, the improvement being a control system, compr
1. In a beverage brewing system connectable with a source of water and having a brew basket for holding extract ingredient, and a mixing chamber for receipt of both liquid drink extract and a quantity of diluent water for mixing together into a beverage, the improvement being a control system, comprising:a controllable delivery system for selectively delivering water from the source to the brew basket to make the liquid drink extract and from the source to the mixing chamber for mixing with the drink extract; means for connecting the source of water to the controllable delivery system including a flow meter for directly measuring an actual quantity of water passing from the source to the delivery system substantially independently of the rate of flow of the water; and a controller responsive to the actual quantity water directly measured by the flow meter for selectively controlling the delivery system to deliver only a preselected amount of water to at least one of the brew basket and to the mixing chamber. 2. The beverage brewing system of claim 1 in whichthe delivery system includes a controlled mixing valve for passing water from the source and the flow meter to the mixing chamber, and the controller includes means responsive to the flow meter for temporarily storing the actual quantity of water passed through the controlled mixing valve. 3. The beverage brewing system of claim 2 in whichthe delivery system includes a controlled brew valve for passing water from the source and the flow meter to the brew basket, and the controller includes means responsive to the flow meter for at least temporarily storing the actual quantity of water passed through the controlled brew valve. 4. The beverage brewing system of claim 1 in whichthe delivery system includes a controlled brew valve for passing water from the source and the flow meter to the brew basket, and the controller includes means responsive to the flow meter for storing the quantity of water passed through the controlled brew valve. 5. The beverage brewing system of claim 4 includinga brew water tank, and a siphon connection between the brew water tank and the brew basket, and in which a solenoid controlled brew valve passes water to the brew water tank to force an equal quantity of water in the brew water tank to pass to the brew basket through the siphon connection between the brew water tank and the brew basket. 6. The beverage brewing system of claim 4 includinga brew water tank, a level sensor in the brew water tank for sensing when the brew water tank is at a preselected siphon level above which water is siphoned off through the siphon connection to the brew basket, and a heating element for heating the brew water in the brew water tank before it is siphoned off to the brew basket. 7. The beverage brewing system of claim 4 includinga brew water tank with a side and a bottom, and in which the controlled brew valve is connected to the side of the brew water tank adjacent the bottom of the brew water tank, and the siphon connection is connected to the brew water tank adjacent the top of the brew water tank. 8. The beverage brewing system of claim 1 including in whichthe delivery system includes two controlled valves for respectively passing water from the source of water and flow meter to the brew basket and the mixing chamber, and said controller controls the valves to prevent both from being open at the same time. 9. In a beverage brewing system connectable with a source of water and having a brew basket for holding extract ingredient, and a mixing chamber for receipt of both liquid drink extract and a quantity of diluent water for mixing together into a beverage, the improvement being a control system, comprising:a flow meter; a controllable delivery system for delivering a quantity of water from the source to the brew basket to make the liquid drink extract and from the source to the mixing chamber for mixing with the drink extract including two controlled valves for respectively passing water from the source of water and flow meter to the brew basket and the mixing chamber; and a controller responsive to the flow meter for selectively controlling the delivery system to deliver only a preselected amount of water to at least one of the brew basket and to the mixing chamber, said controller controlling the valves to prevent both from being open at the same time and including means for storing an output indication of quantity from the flow meter as brew water when the one of the valves connected to the brew water tank is opened and the other one of the valves is closed, and means for storing an output indication of quantity from the flow meter as mixing water when the other one of the valves connected to the mixing chamber is open and the one valve connected to the brew water tank is closed. 10. In a beverage brewing system connectable with a source of water and having a brew basket for holding extract ingredient, and a mixing chamber for receipt of both liquid drink extract and a quantity of diluent water for mixing together into a beverage, the improvement being a control system, comprising:a flow meter; a controllable delivery system for delivering a quantity of water from the source to the brew basket to make the liquid drink extract and from the source to the mixing chamber for mixing with the drink extract and a controller responsive to the flow meter for selectively controlling the delivery system to deliver only a preselected amount of water to at least one of the brew basket and to the mixing chamber, the controller including means for storing a preselected total quantity of brew water that is to be passed through the brew basket, means for comparing amounts of brew water being measured by the flow meter with the preselected total quantity of brew water, and means responsive to the comparing means to stop the delivery system from passing more brew water to the brew water tank when the measured quantity of brew water has passed to the brew water tank. 11. The beverage brewing system of claim 10 including means for changing the preselected total amount of brew water that is to be passed through the brew basket.12. The beverage brewing system of claim 10 in whichthe controller includes means for storing a preselected total quantity of beverage to be made by mixing water passed directly into the mixing chamber with the beverage extract, and means for comparing the total quantity of water measured by the flow meter with the preselected total quantity of beverage to be made, and means responsive to the comparing means to stop the delivery system from passing more water to the mixing chamber when the total measured quantity of water that has passed through the flow meter is equal to the preselected total quantity of beverage to be made. 13. The beverage brewing system of claim 12 including means for selectively changing the preselected total quantity of beverage to be made stored in the storing means.14. In a beverage brewing system connectable with a source of water and having a brew basket for holding extract ingredient, and a mixing chamber for receipt of both liquid drink extract and a quantity of diluent water for mixing together into a beverage, the improvement being a control system, comprising:a flow meter; a controllable delivery system for delivering a quantity of water from the source to the brew basket to make the liquid drink extract and from the source to the mixing chamber for mixing with the drink extract; and a controller responsive to the flow meter for selectively controlling the delivery system to deliver only a preselected amount of water to at least one of the brew basket and to the mixing chamber, the controller including means for storing a preselected total quantity of mixing water that is to be passed through the brew basket, means for comparing amounts of mixing water being measured by the flow meter with the preselected total quantity of mixing water, and means responsive to the comparing means to stop the delivery system from passing more mixing water to the brew water tank when the measured quantity of mixing water that has passed to the brew water tank. 15. The beverage brewing system of claim 14 including means for changing the preselected total amount of mixing water that is to be passed through the brew basket.16. In a beverage brewing system connectable with a source of water and having a brew basket for holding extract ingredient, and a mixing chamber for receipt of both liquid drink extract and a quantity of diluent water for mixing together into a beverage, the improvement being a control system, comprising:a flow meter; a controllable delivery system for delivering a quantity of water from the source to the brew basket to make the liquid drink extract and from the source to the mixing chamber for mixing with the drink extract; and a controller responsive to the flow meter for selectively controlling the delivery system to deliver only a preselected amount of water to at least one of the brew basket and to the mixing chamber, the controller including means for storing a preselected total quantity of beverage to be made by mixing water passed directly into the mixing chamber with the beverage extract, and means for comparing the total quantity of water measured by the flow meter with the preselected total quantity of beverage to be made, and means responsive to the comparing means to stop the delivery system from passing more water to the mixing chamber when the total measured quantity of water that has passed through the flow meter is equal to the preselected total quantity of beverage to be made. 17. The beverage brewing system of claim 16 including means for selectively changing the preselected total quantity of beverage to be made stored in the storing means.18. In a beverage brewing system connectable with a source of water and having a brew basket for holding extract ingredient, and a mixing chamber for receipt of both liquid drink extract and a quantity of diluent water for mixing together into a beverage, the improvement being a control system, comprising:a flow meter; a controllable delivery system for delivering a quantity of water from the source to the brew basket to make the liquid drink extract and from the source to the mixing chamber for mixing with the drink extract; and a controller responsive to the flow meter for selectively controlling the delivery system to deliver only a preselected amount of water to at least one of the brew basket and to the mixing chamber, a level sensor in the brew water tank for sensing when the water has reached a preselected siphon level above which water will be siphoned from the brew water tank, means associated with said controller for controlling the distribution system to pass water into the brew water tank until the level reaches the preselected siphon level, and a siphon connection for passing hot water out from the hot water tank to the brew basket when a substantially equal amount of water from the source is passed through the flow meter and into the brew water tank during a time when the level in the brew water tank is generally at the siphon level. 19. The beverage brewing system of claim 1 includingan electrical heater for heating the water in the brew water tank to a preselected, relatively hot, brewing temperature, and in which the water from the water source is relatively cold as compared to the relatively hot brewing temperature. 20. In a beverage brewing system connectable with a source of water and having a brew basket for holding extract ingredient, and a mixing chamber for receipt of both liquid drink extract and a quantity of diluent water for mixing together into a beverage, the improvement being a control system, comprising:a flow meter; a controllable delivery system for delivering a quantity of water from the source to the brew basket to make the liquid drink extract and from the source to the mixing chamber for mixing with the drink extract, the delivery system including a controlled brew valve for passing water from the source and the flow meter to the brew basket, and another controlled mixing valve for passing water from the source and the flow meter to the mixing chamber; and a controller responsive to the flow meter for selectively controlling the delivery system to deliver only a preselected amount of water to at least one of the brew basket and to the mixing chamber, the controller including means responsive to the flow meter and to the controlled mixing valve being open for temporarily storing the quantity of water passed through the controlled mixing valve as mixing water, and means responsive to the flow meter and the brew valve being open for temporarily storing the actual quantity of water being passed through the controlled brew valve as brew water. 21. In a beverage brewing system connectable with a source of water and having a brew basket for holding extract ingredient, and a mixing chamber for receipt of both liquid drink extract and a quantity of diluent water for mixing together into a beverage, the improvement being a control system, comprising:a flow meter; a controllable delivery system for delivering a quantity of water from the source to the brew basket to make the liquid drink extract and from the source to the mixing chamber for mixing with the drink extract; and a controller responsive to the flow meter for selectively controlling the delivery system to deliver only a preselected amount of water to at least one of the brew basket and to the mixing chamber, the controller being responsive to the flow meter to control the delivery system to deliver only a preselected amount of brew water to the brew basket and a preselected amount of mixing water to the mixing chamber. 22. The beverage brewing system of claim 21 in which the controller is responsive to the flow meter to control the delivery system to deliver only a preselected total measured quantity of water accumulatively delivered to the brew basket and the mixing chamber.23. The beverage brewing system of claim 1 includingmeans for heating the water in the brew water tank to a preselected temperature relatively higher than that of the water source. 24. The beverage brewing system of claim 1 in whichthe brew water tank has an inlet and an outlet, and the distribution system includes a controlled valve interposed between the flow meter and the inlet of the brew water tank. 25. The beverage brewing system of claim 24 includingmeans for heating the water to a preselected temperature at which significant liming may occur, and a valve-less siphon connection for passing relatively hot brew water from the outlet of the brew water tank to the brew basket. 26. The beverage brewing system of claim 25 in which the inlet to the brew water tank is located at a level beneath that of the outlet from the brew water tank.27. In a beverage brewing system connectable with source of water and having a brew basket for holding extract ingredient, and a mixing chamber for receipt of both liquid drink extract and a quantity of diluent water for mixing together into a beverage, the improvement being a control system, comprising:a flow meter; a controllable delivery system for delivering a quantity of water from the source to the brew basket to make the liquid drink extract and from the source to the mixing chamber for mixing with the drink extract, the delivery system including a pair of controlled valves for respectively passing water through the flow meter to the brew basket and through the flow meter to the mixing chamber; and a controller responsive to the flow meter for selectively controlling the delivery system to deliver only a preselected amount of water to at least one of the brew basket and to the mixing chamber. 28. In a beverage brewing system connectable with source of water and having a brew basket for holding extract ingredient, and a mixing chamber for receipt of both liquid drink extract and a quantity of diluent water for mixing together into a beverage, the improvement being a control system, comprising:a flow meter; a controllable delivery system for delivering a quantity of water from the source to the brew basket to make the liquid drink extract and from the source to the mixing chamber for mixing with the drink extract; a controller responsive to the flow meter for selectively controlling the delivery system to deliver only a preselected amount of water to at least one of the brew basket and to the mixing chamber; another flow meter, and in which the delivery system has a pair of controlled valves for respectively passing water through the one flow meter and one of the controlled valves to the brew basket and through the other flow meter and the other of the controlled valves to the mixing chamber. 29. In a beverage brewer, the improvement being a control system, comprising the combination of:means for directly measuring with a flow meter substantially independently of flow rate and water pressure a quantity of water being passed to the brewer from an external source of water; and means for controlling a water delivery system of the brewer in response to the measuring means. 30. The beverage brewer of claim 29 in which the directly measuring means is a paddle-wheel type quantity flow meter that is substantially independent of flow rate with one of an electrical and an electromagnetic output representative of the revolutions of the paddle-wheel, each revolution being representative of a fixed quantity of water passed by the quantity flow meter.31. In a beverage brewer, the improvement being a control system, comprising the combination of:means for measuring with a flow meter a quantity of water being passed to the brewer from an external source of water; and means for controlling a water delivery system of the brewer in response to the measuring means, the controlling means including a computer responsive to the flow meter for controlling the operation of one controlled valve for passing water directly from the flow meter to a mixing chamber, and another controlled valve for passing water from the flow meter to the mixing chamber via a brew basket containing brew ingredient. 32. The beverage brewer of claim 29 in which the means for controlling includesa computer with a memory for temporarily storing actual amounts of water measured by the flow meter and passed to at least one given location, a memory for storing a preselected total quantity of water desired to be passed to the at least one given location, and means for comparing the temporarily stored actual amounts of water with the stored preselected total quantity for the at least one location. 33. The beverage brewer of claim 29 includinga brew basket and a mixing chamber, and the controlling means includes means for selectively varying proportional amount of water delivered to the brew basket and relative to the amount of water delivered to the mixing chamber. 34. The beverage brewer of claim 33 in which the controlling means includes means for selectively changing the total accumulative amounts of water delivered to both the brew basket and the mixing chamber without changing the proportional amount.35. The beverage brewer of claim 29 includinga brew basket and a mixing chamber, and the controlling means includes means for controlling the total accumulative amount delivered to both the brew basket and the mixing chamber. 36. In a beverage brewing system connectable with a source of water and having a brew basket for holding ingredient to be mixed with the water to brew a beverage, the improvement being a control system, comprising:a controllable delivery system for selectively delivering a water from the source to the brew basket to make the beverage; and means for connecting the source of water to the controlable delivery system including a quantity meter for directly measuring an actual quantity of water passing from the source to the delivery system substantially independently of water pressure of the source and substantially independently of flow rate of water through the quantity meter; and a controller responsive to the actual quantity of water directly measured by the flow meter for selectively controlling the delivery system to deliver only a preselected amount of water to the brew basket. 37. The beverage brewer of claim 36 in which the controllable delivery system includes a solenoid controlled shut-off valve for passing water from the source to the brew basket, said quantity meter being in line with the source and the shut-off valve to measure the quantity of water passed by the shut-off valve when in an open state.38. The beverage brewer of claim 37 in which the controller includesmeans for storing a preselected quantity of water to be passed through the brew basket, means responsive to the quantity meter for comparing the actual quantity of water passed by the shut-off valve as measured by the quantity meter to the stored preselected quantity, and means for switching the shut-off valve to a closed position in response to the comparing means determining that the actual quantity of water that has passed through the shut-off valve is equal to the stored preselected quantity. 39. The beverage brewer of claim 36 including a hot water tank with a bottom and a top, a siphon tube at a siphon level adjacent the top and an inlet adjacent the bottom and means for connecting the source of water to the inlet to raise the water in the hot water tank to the siphon level.40. The beverage brewer of claim 39 includingmeans for sensing when the water level is at the siphon level; and in which the controller responds to the quantity meter to measure the quantity of water being passed through the meter only when the water in the hot water tank is at the siphon level. 41. The beverage brewer of claim 36 in which the quantity meter includes a paddle-wheel for passing water incrementally through the meter during rotation of the paddle-wheel and means for indicating to the controller the number of rotations of the paddle-wheel, each rotation representing an incremental quantity of water that has passed through the meter.
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