A method and system for preparing a beverage or liquid from a food substance contained in a filtering receptacle by passing water through the substance using brewing centrifugal forces. The method includes feeding water into the receptacle, and driving the receptacle in centrifugal rotation to force
A method and system for preparing a beverage or liquid from a food substance contained in a filtering receptacle by passing water through the substance using brewing centrifugal forces. The method includes feeding water into the receptacle, and driving the receptacle in centrifugal rotation to force water to flow through the substance in a centrifugal flow path to the outlet of the receptacle. The system includes equipment necessary to carry out the method. The receptacle is a sealed capsule which is opened for water to be introduced into the capsule, contains a predetermined dose of food substance and is discarded after use.
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1. A method for preparing a beverage or liquid food from a predetermined dose of a food substance contained in a sealed filtering capsule that has a cup-shaped body with a trunconical sidewall, and a pierceable sealing lid made of a rigid plastic that is attached to the cup-shaped body via periphera
1. A method for preparing a beverage or liquid food from a predetermined dose of a food substance contained in a sealed filtering capsule that has a cup-shaped body with a trunconical sidewall, and a pierceable sealing lid made of a rigid plastic that is attached to the cup-shaped body via peripheral deflectable sealing means that includes at least one peripheral plastic lip, with the capsule also having a longitudinal axis of rotation that passes vertically and centrally through the cup, which comprises injecting water into the capsule along the longitudinal axis, centrifugally rotating the capsule about the axis of rotation in order to force the water to flow through the substance in the capsule in a centrifugal flow path to an outlet to prepare the beverage or liquid food, wherein the peripheral deflectable sealing means is configured to open due to the centrifugal rotation of the capsule and flow of water in the capsule to form an outlet for the beverage or liquid food. 2. The method of claim 1, wherein the beverage or liquid food is prepared in a beverage preparation device, and the method comprises: opening the capsule and introducing water therein, andcentrifugally rotating the capsule in the beverage preparation device,wherein the capsule is discarded after preparing the beverage. 3. The method of claim 2, wherein the capsule is centrifugally rotated at a centrifugal speed of at least 500 rpm, and the water is introduced in the capsule at substantially no pressure. 4. The method of claim 2, wherein, after insertion of the capsule in the beverage preparation device, the capsule is opened for the water to be introduced therein by piercing of the pierceable sealing lid of the capsule. 5. The method of claim 1, wherein the capsule is sealed in a gas tight manner and contains ground coffee powder, soluble coffee, tea, chocolate, whitener, flavours or combinations thereof, with the dose of the substance included therein forming one or two servings of the beverage, and with the capsule having an axis of rotation that is vertical or inclined relative to vertical at an angle that is less than 90 degrees. 6. The method of claim 1, wherein the outlet is formed by pressure exerted on the peripheral deflectable sealing means by liquid movement due to forces from the centrifugal rotation. 7. A system for preparing a beverage or liquid food from a predetermined dose of a food substance contained in a sealed filtering capsule that has a longitudinal axis of rotation that passes vertically and centrally through the capsule, comprising: a device comprising: water feed means for introducing water into the capsule, andmeans for centrifugally rotating the capsule about its axis of rotation to force the water to flow through the substance in the capsule in a centrifugal flow path to prepare the beverage or liquid food;the sealed filtering capsule having a cup-shaped body with a trunconical sidewall, and a pierceable sealing lid made of a rigid plastic that is attached to the cup-shaped body via peripheral deflectable sealing means that includes at least one peripheral plastic lip, with the capsule being insertable in the device for preparing the beverage or liquid food and then removable from the device after preparing the beverage or liquid food, andreferencing means for positioning and referencing the capsule in a removable manner in the device and in operational relationship with the water feed means and along an axis of rotation in the centrifugal rotating means, with the referencing means comprising a water injection structure that engages an upper portion of the capsule and is rotatable therewith and that also includes means for piercing a water inlet in the capsule at its longitudinal central axis,wherein the peripheral deflectable sealing means is configured to open due to the centrifugal rotation of the capsule and flow of water in the capsule to form an outlet for the beverage or liquid food. 8. The system of claim 7, wherein the referencing means further comprises a capsule holder associated with the centrifugal rotating means for allowing the capsule to be rotated around its central axis at a centrifugal speed of at least 500 rpm. 9. The system of claim 7, wherein the capsule has an axis of rotation, and the device comprises inlet piercing means of a single needle for piercing the pierceable sealing lid for enabling the water feed means to introduce water in the capsule, with the inlet piercing means arranged to pierce at least one water inlet at the axis of rotation of the capsule. 10. A device for preparing a beverage or liquid food from a food substance contained in a sealed capsule that has a longitudinal axis of rotation that passes vertically and centrally through the capsule, by passing water through the substance in the capsule, the device comprising: water feed means for introducing water into the sealed capsule, the capsule having a cup-shaped body with a trunconical sidewall, and a pierceable sealing lid made of a rigid plastic that is attached to the cup-shaped body via peripheral deflectable sealing means that includes at least one peripheral plastic lip, with the capsule being insertable in the device for preparing the beverage or liquid food and then removable from the device after preparing the beverage or liquid food, andmeans for centrifugally rotating the capsule about its axis of rotation to force the water to flow through the substance in the capsule in a centrifugal flow path to prepare the beverage or liquid food; and referencing means for positioning and referencing the capsule in a removable manner in the device and in operational relationship with the water feed means and along an axis of rotation in the centrifugal rotating means, with the referencing means comprising a water injection structure that engages an upper portion of the capsule and is rotatable therewith and that also includes means for piercing a water inlet in the capsule at its longitudinal central axis,wherein the peripheral deflectable sealing means is configured to open due to the centrifugal rotation of the capsule and flow of water in the capsule to form an outlet for the beverage or liquid food. 11. The device of claim 10, wherein the centrifugal rotating means comprises a drive shaft and an electrical motor connected to the referencing means for rotating the capsule, and the referencing means is designed for receiving the capsule in a removable manner and for receiving the capsule in the device in an operational relationship with the water feed means and the centrifugal rotating means. 12. The device of claim 11, wherein the referencing means comprises a capsule holder having a cavity which is rotatable and which is connected to the motor via a drive shaft arranged for driving the capsule holder about a central rotational axis. 13. The device of claim 10, wherein the water injection structure of the referencing means comprises a water injection lid that closes onto the capsule, is traversed by a water conduit. 14. The device of claim 10, which further comprises a collector for collecting the beverage or liquid food, the collector including a by-pass conduit arranged to add a volume of water into the collector without such water passing into the capsule. 15. The device of claim 10, which further comprises a control unit adapted to vary the speed of the centrifugal rotation means for rotating the capsule at at least two different centrifugal speeds to provide different centrifugal pressures of water in the capsule. 16. The device of claim 10, wherein the water feed means comprises a pump and an injection tube connected to a water reservoir for injection of water in the capsule under the effect of rotational momentum.
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