A machine for making and dispensing liquid, semi-liquid and/or semi-solid food products and which includes at least a cylinder for containing and processing basic products, means for heating and cooling the cylinder wrapped around at least part of the cylinder and a mixer unit positioned inside the
A machine for making and dispensing liquid, semi-liquid and/or semi-solid food products and which includes at least a cylinder for containing and processing basic products, means for heating and cooling the cylinder wrapped around at least part of the cylinder and a mixer unit positioned inside the cylinder which is able to mix the basic products during their processing; the machine also includes a supply duct for supplying the products into the cylinder, a dispensing duct for withdrawing the food products from the cylinder and means for recirculating the products contained in the containment and processing cylinder which are able to withdraw the products from the cylinder through the dispensing duct and to return them into the cylinder through the supply duct.
대표청구항▼
1. A machine for making and dispensing at least one chosen from liquid, semi-liquid and semi-solid food products, comprising: a container of basic products;a cylinder for containing and processing the basic products into at least one chosen from liquid, semi-liquid and semi-solid food products,a sys
1. A machine for making and dispensing at least one chosen from liquid, semi-liquid and semi-solid food products, comprising: a container of basic products;a cylinder for containing and processing the basic products into at least one chosen from liquid, semi-liquid and semi-solid food products,a system for heating and cooling the cylinder wrapped around at least part of the cylinder;a mixer unit positioned inside the cylinder for mixing the basic products during the processing of the basic products;a supply duct for supplying the basic products into the cylinder;a dispensing duct for withdrawing the food products from the cylinder;a recirculation system for recirculating at least one chosen from the basic products and the food products, the recirculation system including a pump including an infeed section and a delivery section; the infeed section being connectable to the dispensing duct to withdraw the at least one chosen from the basic products and the food products from the cylinder and the delivery section being connectable to the supply duct to return the at least one chosen from the basic products and the food products to the cylinder;a suction duct for sucking the basic products from the container into the cylinder; the infeed section of the pump being connectable alternately to the suction duct and to the dispensing duct of the containment cylinder. 2. The machine according to claim 1, wherein the container is a removable container for feeding the basic products, including a product infeed channel and a product outfeed channel, said infeed channel being operationally connected, in use, to the dispensing duct and said outfeed channel being operationally connected, in use, to the supply duct for allowing recirculation between the cylinder and said removable container through said infeed channel, outfeed channel, dispensing duct and supply duct. 3. The machine according to claim 2, comprising: a memory configured to save a piece of information relating to an opening time of the removable container; anda control unit for said memory configured and programmed to detect when said removable container is connected to the cylinder and to update the piece of information relating to the opening time when said removable container is connected to the cylinder for a first time. 4. The machine according to claim 3, wherein the control unit is configured to provide an indication if an open interval of the removable container, calculated starting from the opening time saved in the memory, is greater than a preset value. 5. The machine according to claim 4, comprising an indication unit, connected to the control unit for providing an indication if an open interval of the removable container, calculated starting from the opening time saved in the memory, is greater than a preset value. 6. The machine according to claim 3, wherein the control unit comprises a sensor for detecting when said removable container is connected to the cylinder. 7. The machine according to claim 3, wherein the control unit comprises a level sensor for detecting a level of product in the removable container and for establishing, based on the level detected, when said removable container is connected to the cylinder. 8. The machine according to claim 3, comprising: a connector for connecting said removable container to the cylinder, andwherein the control unit comprises a sensor, associated with said connector or with the removable container, for detecting a connection of the removable container to said connector corresponding to a condition of connection of said removable container to the cylinder. 9. The machine according to claim 1, and further comprising: a dispensing tap for withdrawing the at least one chosen from the basic products and the food products from the cylinder;the infeed section being connected to the dispensing tap for withdrawing the at least one chosen from the basic products and the food products from the cylinder;the delivery section being connected to the supply duct for returning the at least one chosen from the basic products and the food products into the cylinder. 10. The machine according to claim 9, wherein the infeed section is connected to the dispensing duct through a dispensing outlet of the dispensing tap. 11. The machine according to claim 1, wherein the infeed section is connected to the dispensing duct and the delivery section is connected to the supply duct. 12. The machine according to claim 11, and further comprising a duct connecting the infeed section of the pump to the dispensing duct. 13. The machine according to claim 1, wherein the system for heating and cooling the cylinder includes a coolant channel wrapped around at least part of the cylinder. 14. A method for making and dispensing at least one chosen from liquid, semi-liquid and semi-solid food products, comprising: providing a container of basic products,providing a cylinder for containing and processing the basic products into at least one chosen from liquid, semi-liquid and semi-solid food products,providing a system for heating and cooling the cylinder, wrapped around at least part of the cylinder,providing a mixer positioned inside the cylinder for mixing the basic products during the processing of the basic products;providing a supply duct for supplying the basic products into the cylinder,providing a dispensing duct for withdrawing the food products from the cylinder,recirculating at least one chosen from the basic products and the food products by withdrawing the at least one chosen from the basic products and the food products from the cylinder through the dispensing duct and returning the at least one chosen from the basic products and the food products into the cylinder through the supply duct;providing a pump having an infeed section connected to the container and a delivery section connected to the cylinder,disconnecting the infeed section from the container, and connecting the infeed section to the dispensing duct using at least one connecting duct. 15. The method according to claim 14, and further comprising: providing a dispensing tap connected to the dispensing duct,wherein the recirculating the at least one chosen from the basic products and the food products includes withdrawing the at least one chosen from the basic products and the food products from the cylinder through the dispensing tap and returning the at least one chosen from the basic products and the food products into the cylinder through the supply duct. 16. The method according to claim 15, and further comprising connecting the infeed section to the dispensing tap using at least one connecting duct. 17. The method according to claim 14, and further comprising: pasteurizing the at least one chosen from the basic products and the food products, andwherein the recirculating the at least one chosen from the basic products and the food products is performed simultaneously with the pasteurizing the at least one chosen from the basic products and the food products. 18. The method according to claim 14, wherein the recirculating the at least one chosen from the basic products and the food products is performed continuously. 19. The method according to claim 14, comprising: providing that the container is a removable container that includes an infeed channel and an outfeed channel,connecting the infeed channel of the removable container to the dispensing duct and connecting said outfeed channel of the removable container to the supply duct for allowing recirculation between said cylinder and said removable container;recirculating the at least one chosen from the basic products and the food products between the cylinder and said removable container through the dispensing duct, the supply duct, the infeed channel and the outfeed channel. 20. The method according to claim 19, wherein the recirculating the at least one chosen from the basic products and the food products between the cylinder and the removable container is performed continuously, for a preset time interval. 21. The method according to claim 19, and further comprising connecting the infeed section to one of either the dispensing duct or the outfeed channel of the removable container and connecting the delivery section to one of either the supply duct or the infeed channel of the removable container, to allow circulation between the containment cylinder and said removable container through at least one chosen from said dispensing duct and the outfeed channel and at least one chosen from the supply duct and the outfeed channel. 22. The method according to claim 19, comprising; saving a piece of time information indicating when the removable container was opened;comparing said saved piece of time information with a preset value, to indicate if a time interval since opening is greater than the preset value. 23. The method according to claim 22, and further comprising detecting, using a sensor, connection of the removable container to the cylinder. 24. The method according to claim 14, and further comprising providing the system for heating and cooling the cylinder with a coolant channel wrapped around at least part of the cylinder. 25. A machine for making and dispensing at least one chosen from liquid, semi-liquid and semi-solid food products, comprising: a cylinder for containing and processing basic products into at least one chosen from liquid, semi-liquid and semi-solid food products,a system for heating and cooling the cylinder wrapped around at least part of the cylinder;a mixer unit positioned inside the cylinder for mixing the basic products during the processing of the basic products;a supply duct for supplying the basic products into the cylinder;a dispensing duct for withdrawing the food products from the cylinder;a recirculation system for recirculating at least one chosen from the basic products and the food products, the recirculation system being connectable to the dispensing duct to withdraw the at least one chosen from the basic products and the food products from the cylinder and also being connectable to the supply duct to return the at least one chosen from the basic products and the food products to the cylinder;a removable container for feeding the basic products, the removable container including a product infeed channel and a product outfeed channel, the product infeed channel being connected to the dispensing duct and the product outfeed channel being connected to the supply duct for recirculation between the cylinder and the removable container through the product infeed channel, product outfeed channel, dispensing duct and supply duct. 26. A method for making and dispensing at least one chosen from liquid, semi-liquid and semi-solid food products, comprising: providing a container of basic products,providing a cylinder for containing and processing the basic products into at least one chosen from liquid, semi-liquid and semi-solid food products,providing a system for heating and cooling the cylinder, wrapped around at least part of the cylinder,providing a mixer positioned inside the cylinder for mixing the basic products during the processing of the basic products;providing a supply duct for supplying the basic products into the cylinder,providing a dispensing duct for withdrawing the food products from the cylinder,recirculating at least one chosen from the basic products and the food products by withdrawing the at least one chosen from the basic products and the food products from the cylinder through the dispensing duct and returning the at least one chosen from the basic products and the food products into the cylinder through the supply duct;providing that the container is a removable container that includes an infeed channel and an outfeed channel,connecting the infeed channel of the removable container to the dispensing duct and connecting the outfeed channel of the removable container to the supply duct for allowing recirculation between the cylinder and the removable container;recirculating the at least one chosen from the basic products and the food products between the cylinder and the removable container through the dispensing duct, the supply duct, the infeed channel and the outfeed channel.
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