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US 10,561,269 B2Granted
Volumetric heating device for beverage or food preparation machine
AssigneeSociete des Produits Nestle S.A.
InventorsMinh Quan Phan, Peter Vockenhuber, Robert Medek
Life of this patent
Estimating the term…
Abstract
A volumetric heating device for beverage preparation machines, along with a beverage preparation machine containing same, are disclosed, along with methods of producing and using same.
Claims15
A volumetric heating device for beverage preparation machines, comprising:
- an emission source designed for emitting electromagnetic radiation in an infrared and/or ultra violet spectrum and transferring an electromagnetic energy to a beverage liquid surrounding the emission source, wherein the emission source comprises an ohmic filament coupled to electric connection means adapted for providing electric energy to the emission source, wherein a cross-section outline of the ohmic filament is polygon or circular shaped, wherein the beverage liquid is used in a preparation of at least one of coffee or tea;
- a liquid conduit containing the emission source, the liquid conduit configured to channel the beverage liquid flowing from a liquid inlet to a liquid outlet;
- an isolation means essentially transparent to the electromagnetic radiation in an emitted spectrum, and designed to electrically isolate the emission source from the beverage liquid, and wherein the isolation means is formed from glass, and wherein at least a portion of the ohmic filament is arranged inside the isolation means;
- and
- wherein the volumetric heating device is configured to supply the beverage liquid to the isolation means in a beverage liquid film of a thickness of approximately 0.5 to 6 mm.
2 more elements
A beverage preparation machine configured to serve warm beverages, comprising:
- a volumetric heating device comprising:
- an emission source designed for emitting electromagnetic radiation in an infrared and/or ultra violet spectrum and transferring an electromagnetic energy to a beverage liquid surrounding the emission source, wherein the emission source comprises an ohmic filament coupled to electric connection means adapted for providing electric energy to the emission source, wherein a cross-section outline of the ohmic filament is polygon or circular shaped, wherein the beverage liquid is used in a preparation of at least one of coffee or tea;
- a liquid conduit containing the emission source, the liquid conduit configured to channel the beverage liquid flowing from a liquid inlet to a liquid outlet;
- an isolation means essentially transparent to the electromagnetic radiation in an emitted spectrum, and designed to electrically isolate the emission source from the beverage liquid, and wherein the isolation means is formed from glass, and wherein at least a portion of the ohmic filament is arranged inside the isolation means;
- and
- wherein the volumetric heating device is configured to supply the beverage liquid to the isolation means in a beverage liquid film of a thickness of approximately 0.5 to 6 mm.
3 more elements
A volumetric heating device for a beverage preparation machine, wherein the beverage preparation machine is configured to serve at least one of coffee and tea, the volumetric heating device comprising:
- an emission source designed for emitting electromagnetic radiation in an infrared spectrum and transferring an electromagnetic energy to a beverage liquid at least partially surrounding the emission source, wherein the emission source comprises a helically wound ohmic filament coupled to electric connection means adapted for providing electric energy to the emission source, wherein a cross-section outline of the helically wound ohmic filament is polygon or circular shaped, and wherein the beverage liquid is water used in a preparation of at least one of coffee or tea;
- a liquid conduit to channel the beverage liquid flowing from a liquid inlet to a liquid outlet;
- an isolation means essentially transparent to the electromagnetic radiation in an emitted spectrum, and designed to electrically isolate the emission source from the beverage liquid, wherein the isolation means is formed from glass, and wherein at least a portion of the helically wound ohmic filament of the emission source is arranged inside the isolation means;
- and
- wherein the volumetric heating device is configured to supply the beverage liquid to the isolation means in a beverage liquid film of a thickness of approximately 0.5 to 6 mm.
2 more elements
Dependencies are inferred from the claim text.