System for dispensing metered volumes of heated water to the brew chamber of a single serve beverage brewer
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47J-031/00
출원번호
US-0005161
(2004-12-06)
등록번호
US-7398726
(2008-07-15)
발명자
/ 주소
Streeter,Richard B.
Jacobs,William T.
Lazaris,Nicholas G.
Squires,Charles F.
출원인 / 주소
Keurig, Incorporated
대리인 / 주소
Wolf, Greenfield & Sacks, P.C.
인용정보
피인용 횟수 :
94인용 특허 :
28
초록▼
A system for dispensing a metered volume of heated water to the brew chamber of a single serve beverage dispenser. The system includes a storage tank for containing a supply of unheated water and a dispensing tank. A delivery line communicates with the brew chamber and with the dispensing tank at an
A system for dispensing a metered volume of heated water to the brew chamber of a single serve beverage dispenser. The system includes a storage tank for containing a supply of unheated water and a dispensing tank. A delivery line communicates with the brew chamber and with the dispensing tank at an intermediate level demarcating the interior of dispensing tank into upper and lower compartment. The volume of the upper compartment is equal to the metered volume. A vent valve communicates via a vent line with the upper compartment. A supply line connects the storage tank to the lower compartment. An air pump is arranged to deliver pressurized air to the upper compartment. A water pump in the supply line is arranged to deliver water from the storage tank to the lower compartment. A heater for heating water received in the dispensing tank. A sensing mechanism for generating control signals indicative of the level and temperature of water in the dispensing tank. A controller enabled by control signals generated by the sensing means and operative in response to a brew signal for operating the air and water pumps in conjunction with the opening and closure of the vent valve to fill the upper compartment with heated water displaced from the lower compartment and to discharge the thus displaced heated water from the upper compartment to the brew chamber.
대표청구항▼
We claim: 1. A beverage forming system, comprising: a storage tank adapted to hold liquid used in forming at least one beverage; a dispensing tank in fluid communication with the storage tank and adapted to hold a metered volume of liquid; a brew chamber adapted to receive the metered volume of liq
We claim: 1. A beverage forming system, comprising: a storage tank adapted to hold liquid used in forming at least one beverage; a dispensing tank in fluid communication with the storage tank and adapted to hold a metered volume of liquid; a brew chamber adapted to receive the metered volume of liquid for formation of at least one beverage; a pump adapted to move liquid from the storage tank to the dispensing tank; a sensor in the dispensing tank to sense a liquid level in the dispensing tank; and a controller adapted to control the pump to provide a defined volume of liquid to the dispensing tank based on information from the sensor such that partial fill of the dispensing tank is effected. 2. The system of claim 1, further comprising an air pump adapted to introduce pressurized air into the dispensing tank to cause the metered volume of liquid to be delivered to the brew chamber. 3. The system of claim 2, wherein the controller controls the air pump to perform an air purge after the metered volume of liquid has been delivered from the dispensing tank. 4. The system of claim 1, further comprising a heater to heat liquid in the dispensing tank. 5. The system of claim 1, wherein the controller is adapted to control the pump to run for a defined amount of time to deliver the defined volume of liquid. 6. The system of claim 1, wherein the controller is adapted to control the pump to completely fill the dispensing tank. 7. The system of claim 1 wherein the sensor is responsive to a conductivity of the liquid in the dispensing tank. 8. The system of claim 1, wherein the brew chamber is adapted to receive a disposable beverage cartridge, and introduce liquid into the beverage cartridge. 9. The system of claim 8, wherein the beverage cartridge includes a beverage medium and liquid introduced into the disposable beverage cartridge contacts the beverage medium to form the at least one beverage. 10. The system of claim 1, wherein the controller is adapted to effect a partial fill of the dispensing tank based on a first condition, and is adapted to effect a complete fill of the dispensing tank based on a second condition. 11. The system of claim 10, wherein the first condition is a pump run time or a sensed liquid level in the dispensing tank. 12. A beverage forming system, comprising: a storage tank adapted to hold liquid used in forming at least one beverage; a dispensing tank in fluid communication with the storage tank and adapted to hold a metered volume of liquid; a brew chamber adapted to receive the metered volume of liquid for formation of at least one beverage; a pump adapted to move liquid from the storage tank to the dispensing tank; a controller adapted to control the pump to provide a defined volume of liquid to the dispensing tank such that partial fill of the dispensing tank is effected; and a pressure sensor in communication with liquid between the pump and the dispensing tank, and wherein the controller is adapted to control the pump to completely fill the dispensing tank based on information from the pressure sensor. 13. A beverage forming system, comprising: a storage tank adapted to hold liquid used in forming at least one beverage; a dispensing tank in fluid communication with the storage tank and adapted to hold a metered volume of liquid; a brew chamber adapted to receive the metered volume of liquid for formation of at least one beverage; a liquid supply system adapted to provide liquid from the storage tank to the dispensing tank and to provide the metered volume of liquid from the dispensing tank to the brew chamber; and a controller that: (a) senses a first condition related to a liquid level in the dispensing tank and controls the liquid supply system to fill the dispensing tank to a first level based on the first condition, and (b) senses a second condition related to a liquid level in the dispensing tank and controls the liquid supply system to fill the dispensing tank to a second level, different from the first level, based on the second condition. 14. The system of claim 13, wherein the first condition is a water pump run time and the second condition is a condition in the dispensing tank detected by a sensor. 15. The system of claim 14, wherein the second condition is a liquid level in the dispensing tank. 16. The system of claim 14, wherein the second condition is a pressure in the liquid in the dispensing tank. 17. The system of claim 13, wherein the first or second condition is a liquid level in the dispensing tank. 18. The system of claim 13, wherein the first or second condition is a pressure in the liquid in the dispensing tank. 19. The system of claim 13, further comprising an air pump adapted to introduce pressurized air into the dispensing tank to cause the metered volume of liquid to be delivered to the brew chamber. 20. The system of claim 19, wherein the controller controls the air pump to perform an air purge of the brew chamber after the metered volume of liquid has been delivered from the dispensing tank. 21. The system of claim 13, further comprising a heater to heat liquid in the dispensing tank. 22. The system of claim 13, further comprising a sensor to detect a liquid level in the dispensing tank, and wherein the controller is adapted to control the liquid supply system to fill the dispensing tank to the first or second level based on information from the sensor. 23. The system of claim 22, wherein the sensor is responsive to a conductivity of the liquid in the dispensing tank. 24. The system of claim 13, wherein the brew chamber is adapted to receive a disposable beverage cartridge and introduce liquid into the beverage cartridge. 25. The system of claim 24, wherein the beverage cartridge includes a beverage medium and liquid introduced into the disposable beverage cartridge contacts the beverage medium to form the at least one beverage. 26. A beverage forming system, comprising: a storage tank adapted to hold liquid used in forming at least one beverage; a dispensing tank in fluid communication with the storage tank and adapted to hold a metered volume of liquid; a brew chamber adapted to receive the metered volume of liquid for formation of at least one beverage; a liquid supply system adapted to provide liquid from the storage tank to the dispensing tank and to provide the metered volume of liquid from the dispensing tank to the brew chamber; a controller adapted to control the liquid supply system to fill the dispensing tank to a first level based on a first condition, and to fill the dispensing tank to a second level based on a second condition; and a pressure sensor in communication with liquid between the pump and the dispensing tank, and wherein the controller is adapted to control the liquid supply system to fill the dispensing tank to the second level based on information from the pressure sensor.
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이 특허에 인용된 특허 (28)
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Dworzak, Christoph; Mock, Elmar; Klopfenstein, Andre; Rusch, Christoph; Bitmead, Naomi; Yoakim, Alfred; Ozanne, Matthieu, Mobile or portable apparatus with pressurized gas supply for preparing beverages or similar products.
Berger, Justin Daniel; Gilkey, Bradley Nicholas; Bird, Christopher Francis; Lewis, Jr., Robert Lee, Refrigerator appliance and method for use with single serve dispenser.
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Wong, Kon Euan Gerard; Brandt, Guido; Koeling, Hendrik Cornelis; Kamerbeek, Ralf; Biesheuvel, Arend Cornelis Jacobus, System, a method and a capsule for preparing a pre-determined quantity of beverage.
Wong, Kon Euan Gerard; Brandt, Guido; Koeling, Hendrik Cornelis; Kamerbeek, Ralf; Biesheuvel, Arend Cornelis Jacobus, System, a method and a capsule for preparing a pre-determined quantity of beverage.
Wong, Kon Euan Gerard; Brandt, Guido; Koeling, Hendrik Cornelis; Kamerbeek, Ralf; Biesheuvel, Arend Cornelis Jacobus, System, a method and a capsule for preparing a pre-determined quantity of beverage.
Wong, Kon Euan Gerard; Brandt, Guido; Koeling, Hendrik Cornelis; Kamerbeek, Ralf; Biesheuvel, Arend Cornelis Jacobus, System, capsule and method for preparing a predetermined quantity of beverage.
Kamerbeek, Ralf; Flamand, John Henri; Post van Loon, Angenita Dorothea; Koeling, Hendrik Cornelis, System, method and capsule for preparing a beverage.
Kamerbeek, Ralf; Flamand, John Henri; van Loon-Post, Angenita Dorothea; Koeling, Hendrik Cornelis, System, method and capsule for preparing a beverage.
Kamerbeek, Ralf; Flamand, John Henri; van Loon-Post, Angenita Dorothea; Koeling, Hendrik Cornelis, System, method and capsule for preparing a beverage.
Wong, Kon Euan Gerard; Brandt, Guido; Koeling, Hendrik Cornelis; Kamerbeek, Ralf; Biesheuvel, Arend Cornelis Jacobus, System, method and capsule for preparing a beverage.
Roberts, Matthew P.; Kalenian, Paul; Hoon, Douglas M.; Winkler, Karl, Systems for and methods of agitation in the production of beverage and food receptacles from frozen contents.
Roberts, Matthew P.; Kalenian, Paul; Hoon, Douglas M.; Winkler, Karl, Systems for and methods of providing support for displaceable frozen contents in beverage and food receptacles.
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