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
UP-0832474
(2004-04-26)
등록번호
US-7523695
(2009-07-01)
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 :
84인용 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, a dispensing tank, and a delivery line communicating with the brew chamber and with the dispensing tank at
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, a dispensing tank, and a delivery line communicating with the brew chamber and with the dispensing tank at an intermediate level demarcating the interior of the dispensing tank into upper and lower compartments wherein the volume of the upper compartment is equal to the metered volume. The system also includes a vent valve communicating via a vent line with the upper compartment, and a supply line connecting 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 is received in the dispensing tank. Sensing means for generating control signals indicative of the level and temperature of water in the dispensing tank; and 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 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 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 sensor to detect an arrival of liquid at a top of the dispensing tank, wherein the sensor detects the presence of liquid in a vent tube that communicates with the dispensing tank; and a controller adapted to control the liquid supply system based, at least in part, on information from the sensor. 2. The system of claim 1, wherein the controller is adapted to control the liquid supply system to partially fill the dispensing tank based on a first condition, and is adapted to control the liquid supply system to completely fill the dispensing tank based on information from the sensor. 3. The system of claim 2, wherein the first condition is a pump run time. 4. 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. 5. The system of claim 4, 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. 6. The system of claim 1, further comprising a heater to heat liquid in the dispensing tank. 7. The system of claim 1, wherein the controller is adapted to control the liquid supply system to completely fill the dispensing tank. 8. The system of claim 1, wherein the sensor is in communication with liquid between the pump and the dispensing tank, and the controller is adapted to control the liquid supply system to fill the dispensing tank based on information from the sensor. 9. The system of claim 1, wherein the brew chamber is adapted to receive a disposable beverage cartridge and introduce liquid into the beverage cartridge. 10. The system of claim 9, wherein the beverage cartridge includes a beverage medium, and wherein the beverage cartridge is constructed and arranged such that liquid introduced into the disposable beverage cartridge contacts the beverage medium to form the at least one beverage. 11. The system of claim 1, wherein the sensor is a pressure sensor located in a conduit between the storage tank and the dispensing tank, the sensor being arranged to detect a pressure rise in the liquid when the liquid arrives at the top of the dispensing tank. 12. The system of claim 1, wherein the sensor is responsive to electrical conductivity of the liquid to detect the arrival of liquid at the top of the dispensing tank. 13. The system of claim 1, wherein the liquid supply system includes a water pump to deliver liquid from the storage tank to the dispensing tank, and an air pump to introduce pressurized air into the dispensing tank to cause delivery of the metered volume of liquid to the brew chamber. 14. The system of claim 1, wherein the controller is adapted to control the liquid supply system to effect partial fill of the dispensing tank with liquid. 15. The system of claim 1, wherein the system forms a beverage brewer and the storage tank is removable from the beverage brewer. 16. The system of claim 15, 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. 17. The system of claim 1, further comprising a supply line that connects the storage tank to the dispensing tank, wherein the liquid supply system comprises a liquid pump in the supply line. 18. The system of claim 1, wherein the sensor comprises a pressure sensor. 19. The system of claim 1, wherein the sensor is located in the vent tube. 20. The system of claim 1, wherein the sensor is responsive to temperature of the liquid to detect the arrival of liquid at the top of the dispensing tank. 21. The system of claim 1, wherein the sensor comprises a sensor that is responsive to a flow of liquid in the vent tube.
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이 특허에 인용된 특허 (28)
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Kamerbeek, Ralf; Flamand, John Henri; van Loon-Post, Angenita Dorothea; Koeling, Hendrik Cornelis; Biesheuvel, Arend Cornelis Jacobus, Capsule, system and method for preparing a predetermined quantity of beverage suitable for consumption.
Kamerbeek, Ralf; Flamand, John Henri; van Loon-Post, Angenita Dorothea; Koeling, Hendrik Cornelis; Biesheuvel, Arend Cornelis Jacobus, Capsule, system and method for preparing a predetermined quantity of beverage suitable for consumption.
Kamerbeek, Ralf; van Bergen, Cornelis; van Loon-Post, Angenita Dorothea; Koeling, Hendrik Cornelis, Capsule, system and method for the preparation of a beverage and a method for manufacturing such a capsule.
Quah, Peng Chau; Westra, Thewis M.; De Haan, Thijs; Bosstad, Pieter Berend; Bleeker, Jean Bart, Method for controlling a quantity of water to be used for the purpose of obtaining a quantity of hot liquid.
Roberts, Matthew P.; Kalenian, Paul; Hoon, Douglas M.; Winkler, Karl, Methods of controlled heating and agitation for liquid food or beverage product creation.
Wong, Kon Euan Gerard; Brandt, Guido; Koeling, Hendrik Cornelis; Kamerbeek, Ralf; Biesheuvel, Arend Cornelis Jacobus, System and method for preparing a predetermined 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, 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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