A device for brewing coffee. The device includes a microprocessor, a user actuated controller for interfacing with the microprocessor, a tank for retaining water and a heating element for selectively heating the water. The device further includes a brewing basket for receipt of water from the tank,
A device for brewing coffee. The device includes a microprocessor, a user actuated controller for interfacing with the microprocessor, a tank for retaining water and a heating element for selectively heating the water. The device further includes a brewing basket for receipt of water from the tank, and a cone valve located in a dispersing end of the brewing basket. The microprocessor dictates a measured quantity of water to be delivered to the brewing basket in conjunction with a measured amount of ground coffee for brewing. In a preferred embodiment, a multichannel valve is employed together with a suitable pump for controlling fluid flow as dictated by the microprocessor.
대표청구항▼
1. A device for brewing coffee comprising a microprocessor, a user actuated control device for interfacing with said microprocessor, a tank for retaining water, a heating element for selectively heating said water, a brewing basket for receipt of water from said tank and ground coffee, a weighing me
1. A device for brewing coffee comprising a microprocessor, a user actuated control device for interfacing with said microprocessor, a tank for retaining water, a heating element for selectively heating said water, a brewing basket for receipt of water from said tank and ground coffee, a weighing mechanism and a cone valve assembly at an output of said brewing basket for controllably dispensing brewed coffee from said brewing basket, said microprocessor being interfaced with a controller for a multichannel valve assembly such that upon actuation of said user activated controller, a quantity of coffee to be brewed is introduced to said brewing basket and weighed by said weighing mechanism and a control signal from said weighing station supplied to said microprocessor, said microprocessor generating a control signal for actuating a pump and selecting a first orientation for said multichannel valve assembly for feeding a measured quantity of heated water to said brewing chamber based upon said quantity of coffee and further generating a control signal to said valve assembly and pump to terminate the feeding of water to said brewing basket after said measured quantity of heated water had been introduced thereto and further generating a control signal to said cone valve for selectively opening said cone valve assembly for dispensing brewed coffee from said brewing basket. 2. The device of claim 1 further comprising means for mixing said heated water and coffee within said brewing basket, said means for mixing being activated by a control signal from said microprocessor. 3. The device of claim 2 wherein said means for mixing comprises a paddle stirrer. 4. The device of claim 2 wherein said means for mixing comprises compressed air. 5. The device of claim 1 wherein said microprocessor is programmed to produce brewed coffee having approximately twenty percent extraction. 6. The device of claim 1 wherein said microprocessor is programmed to receive input based upon the grind number of the coffee, said grind number used to adjust said control signals. 7. The device of claim 1 further comprising a hopper for storage of coffee beans. 8. The device of claim 7 further comprising a grinder for said coffee beans. 9. The device of claim 8 wherein input from said grinder to said brewing basket is activated by a signal from said microprocessor. 10. The device of claim 9 wherein said output is determined by the weight of coffee measured by said weighing mechanism. 11. The device of claim 1 wherein said user actuated control device comprises input for selecting percent total dissolved solids of said coffee to be brewed and percent extraction of said ground coffee. 12. The device of claim 1 wherein said heating element is of a constant wattage. 13. The device of claim 1 wherein said device further comprises a temperature sensor for sensing water temperature in said tank. 14. A device for brewing coffee comprising a microprocessor, a user actuated control device for interfacing with said microprocessor, a tank for retaining water, a heating element for selectively heating said water, a brewing basket for receipt of water from said tank and a source of ground coffee wherein upon actuation of said control device, said microprocessor dictating delivery of heated water from said tank and said ground coffee to said brewing basket and further comprising a weighing station, the output of which is fed to said microprocessor and further comprising a multichannel valve and actuator therefore, said microprocessor controlling said actuator for changing fluid flow through said multichannel valve and further comprising a pump and actuator therefore, said microprocessor controlling said actuator for causing water to be selectively passed through said multichannel valve and air to be introduced into said brewing basket for mixing. 15. The device of claim 14 further comprising a cone valve assembly located at the output of said brewing basket and an actuator therefore, said microprocessor controlling said actuator for selectively dispensing brewed coffee from said brewing basket. 16. The device of claim 14 wherein said pump and multichannel valve being configured to selectively direct water to dilute brewed coffee emanating horn said brewing basket. 17. The device of claim 14 wherein said microprocessor is programmable to vary percent extraction and percent total dissolved solids in coffee brewed from said device. 18. The device of claim 17 wherein said microprocessor causes delivery of approximately sixteen parts by weight heated water to one part by weight ground coffee resulting in brewed coffee having approximately twenty percent extraction and approximately 1.25% total dissolved solids. 19. The device of claim 14 wherein said brewing basket is thermally insulated. 20. A device for brewing coffee comprising a microprocessor, a user actuated control device for interfacing with said microprocessor, a tank for retaining water, a heating element for selectively heating said water, a brewing basket for receipt of water from said tank, a cone valve assembly located at a dispensing end of said brewing basket, a device for indicating to said microprocessor the quantity of heated water delivered to said brewing basket and further comprising a hopper for retaining a supply of coffee beans and a grinder positioned to receive coffee beans to be ground from said hopper and further comprising an Archimedes screw for transferring ground coffee from said grinder to said brewing basket. 21. The device of claim 20 further comprising an indicator informing a user of an amount of ground coffee to mix with said heated water within said brewing basket. 22. The device of claim 20 further comprising a continuous temperature sensor for sensing temperature of said water. 23. The device of claim 22 wherein said continuous temperature sensor is joined to a power switch for said heating element. 24. The device of claim 20 further comprising a weighing station located proximate said brewing basket to weigh the contents thereof. 25. The device of claim 24 wherein said weighing station comprises an electronic balance. 26. The device of claim 25 wherein said electronic balance is positioned to weigh ground coffee as it is introduced into said brewing basket, the output of said electronic balance being introduced to said microprocessor for controlling quantities of said ground coffee so introduced. 27. The device of claim 20 wherein said tank is positioned above said brewing basket for selective gravitational transfer of water thereto. 28. The device of claim 20 wherein said tank is positioned at or below said brewing basket, said device further comprising a pump selectively actuatable by said microprocessor for transferring water from said tank to said brewing basket. 29. The device of claim 28 wherein said pump comprises an air pump. 30. The device of claim 28 wherein output of said pump is further joined to said brewing basket for selective introduction of air thereto for mixing contents of said brewing basket therein. 31. The device of claim 25 wherein said electronic balance is positioned to weigh heated water as it is introduced into said brewing basket, the output of said electronic balance being introduced to said microprocessor for controlling quantities of heated water so introduced. 32. The device of claim 28 wherein said pump is controlled by pulse width modulation. 33. The device of claim 20 wherein said quantity of heated water is introduced to said brewing basket in multiple measured amounts. 34. The device of claim 20 further comprising a feed line for selective delivery of heated water from said tank to a quantity of brewed coffee emanating from said brewing basket. 35. The device of claim 20 wherein said electronic balance is positioned to weigh heated water as it is introduced into said brewing basket, the output of said electronic balance being introduced to said microprocessor for controlling quantities of heated water so introduced. 36. The device of claim 20 further comprising a heat source for preheating and maintaining temperature of the brewing basket. 37. The device of claim 20 wherein said brewing basket is thermally insulated. 38. A device for brewing coffee comprising a microprocessor, a user actuated control device for interfacing with said microprocessor, a tank for retaining water, a heating element for selectively heating said water, a brewing basket for receipt of water from said tank, a cone valve assembly located at a dispensing end of said brewing basket, a device for indicating to said microprocessor the quantity of heated water delivered to said brewing basket and further comprising a weighing station including an electronic balance located proximate said brewing basket to weigh the contents thereof. 39. The device of claim 38 further comprising an indicator informing a user of an amount of ground coffee to mix with said heated water within said brewing basket. 40. The device of claim 38 further comprising a continuous temperature sensor for sensing temperature of said water. 41. The device of claim 40 wherein said continuous temperature sensor is joined to a power switch for said heating element. 42. The device of claim 38 further comprising a hopper for retaining a supply of coffee beans and a grinder positioned to receive coffee beans to be ground from said hopper. 43. The device of claim 42 further comprising means for transferring ground coffee from said grinder to said brewing basket. 44. The device of claim 43 wherein said means for transferring coffee comprises an Archimedes screw. 45. The device of claim 38 wherein said electronic balance is positioned to weigh ground coffee as it is introduced into said brewing basket, the output of said electronic balance being introduced to said microprocessor for controlling quantities of said ground coffee so introduced. 46. The device of claim 38 wherein said tank is positioned above said brewing basket for selective gravitational transfer of water thereto. 47. The device of claim 38 wherein said tank is positioned at or below said brewing basket, said device further comprising a pump selectively actuatable by said microprocessor for transferring water from said tank to said brewing basket. 48. The device of claim 47 wherein said pump comprises an air pump. 49. The device of claim 47 wherein output of said pump is further joined to said brewing basket for selective introduction of air thereto for mixing contents of said brewing basket therein. 50. The device of claim 47 wherein said pump is controlled by pulse width modulation. 51. The device of claim 38 wherein said quantity of heated water is introduced to said brewing basket in multiple measured amounts. 52. The device of claim 38 further comprising a feed line for selective delivery of heated water from said tank to a quantity of brewed coffee emanating from said brewing basket. 53. The device of claim 38 further comprising a heat source for preheating and maintaining temperature of the brewing basket. 54. The device of claim 38 wherein said brewing basket is thermally insulated. 55. A device for brewing coffee comprising a microprocessor, a user actuated control device for interfacing with said microprocessor, a tank for retaining water, a heating element for selectively heating said water, a brewing basket for receipt of water from said tank, a cone valve assembly located at a dispensing end of said brewing basket, a device for indicating to said microprocessor the quantity of heated water delivered to said brewing basket and a multichannel valve assembly, said multichannel valve assembly comprising a motor selectively activated by said microprocessor, and a plurality of channels for selectively directing fluids therethrough. 56. The device of claim 55 wherein said multichannel valve assembly further comprises a gear box between said motor and plurality of channels. 57. The device of claim 55 wherein said multichannel valve assembly further comprises an interface for controlling said cone valve assembly. 58. The device of claim 55 further comprising a heat source for preheating and maintaining temperature of the brewing basket. 59. The device of claim 55 wherein said brewing basket is thermally insulated.
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