Abstract: A thermodynamic system for a container containing food products of the liquid and/or semi-liquid type includes a circuit including a compressor, a condenser, an expansion element, an evaporator and heat exchanger fluid. An exchanger includes a delivery duct and a return duct, the delivery duct connected on a first side to a condenser outlet to receive the fluid, and connected on the other side to the expansion element to release the fluid to the expansion element. The return duct is connected, on a first side, to a condenser inlet. A recirculation duct is connected to the second side of the delivery duct to receive the fluid, and to a second side of the return duct, opposite the first side, to release the fluid to the return duct. A further expansion element is positioned in the recirculation duct to allow the fluid circulating in the recirculation duct to expand.

Abstract: A machine for making liquid and/or semi-liquid food products includes a boiler for heating; a first chamber for processing a hot type liquid product, having an outlet and an inlet connected to the boiler; and a first dispensing unit, connectable to the outlet for dispensing a hot product. A mixing and cooling unit for making a cold type product includes a processing container and a stirrer, the mixing and cooling unit being connectable to the outlet for receiving the hot product defining a basic ingredient for making a product of the cold type. The outlet is switchable between a first configuration wherein the outlet is operatively connected to the mixing and cooling unit to allow transfer of hot product inside the processing container, and a second configuration wherein the outlet is operatively connected to the first dispensing unit to allow hot product to be dispensed.

Abstract: A machine for making liquid or semi-liquid food products includes a plurality of supply containers containing a basic mixture and deformable wall, so the space occupied by each first container depends on a quantity of basic mixture therein. A processing container includes a stirrer and thermal treatment system, operating with one another to convert the basic mixture into a liquid or semi-liquid product. A connecting system connects the supply containers to the processing container to transfer the basic mixture from one of the supply containers to the processing container and includes a plurality of pneumatically operated closing valves, where each of the valves is associated with one of the supply containers and can be activated and deactivated independently of the remaining valves to allow the placement of one of the containers in connection with the processing container.

Abstract: A piston-operated dispenser unit for confectionery food products, comprising (I) a door (4) mountable on a dispensing mouth (5) of a machine (2) for making and instantaneously dispensing confectionery products; (II) at least one dispensing tap (9), in turn comprising a main body (10), extending frontally from the door (4) and forming, inside the door (4), an outflow duct (11) for the product to be dispensed, and a piston (13), slidably mounted inside the duct (11) and mobile between an open position and a closed position of the duct (11); (III) a manually operated lever (17), connected to the piston (13) for moving the piston (13) between the open position and the closed position of the duct (11), and vice versa; and (IV) a spring (24) operating on the piston (13) to apply an action for keeping the piston (13) in the closed position.

Abstract: A machine for producing and dispensing liquid or semiliquid foodstuffs, includes a heat-adjustment system including a thermal circuit within which a thermal fluid circulates. The thermal circuit includes a compressor, a condenser, an electronic expansion valve, an evaporator, and a control unit configured for determining a main parameter (SH) representative of instantaneous overheating of the thermal fluid coming out of the evaporator. A reference parameter (SHset) is determined as a function of a predetermined value (SHmin), and of an auxiliary value (DT) depending on a variation in time of the temperature (Tout) of the fluid coming out of the evaporator, and of the saturation temperature (Tsat) of the fluid coming out of the evaporator. An electric command signal (S) for the valve is generated as a function of a comparison between the main parameter (SH) and reference parameter (SHset).

Abstract: A method for making variegated ice cream, comprising the following steps: preparing container for processing the basic ice cream product; cooling and stirring a basic preparation inside the processing container to make the basic ice cream product; preparing a hermetically sealed capsule containing an additional flavor; opening the capsule; simultaneously transferring a portion of basic ice cream product from the processing container to a serving container and transferring the additional flavor from the open capsule to the basic ice cream product to produce a variegated ice cream product, which is defined by combining the basic product and the additional flavor.

Abstract: A method for making ice cream, including preparing a machine for mixing and cooling ice cream equipped: with a processing container defining a processing chamber and provided with a mixer rotating inside the processing chamber; and a thermal treatment plant, configured for being activated, selectively and alternatively, in heating or cooling mode, respectively, for heating and cooling the processing chamber. The method further includes: inserting inside the processing chamber a basic mixture; heating the basic mixture inside the processing chamber, so as to subject the basic mixture to a pasteurisation treatment; cooling the basic mixture inside the processing chamber and, at the same time, rotating the rotary mixer, to incorporate air in the basic mixture and make ice cream; extracting the ice cream from the processing chamber.

Abstract: An ice cream machine for making ice cream, including a processing container forming a processing chamber for making an ice cream-type product; a stirrer mounted inside the processing chamber; a cooling system, provided with at least one heat exchanger associated with the processing container, for exchanging heat therewith; a device for receiving and housing a capsule containing a basic preparation; a device for transferring the basic preparation from the capsule to the processing container; a device for injecting a dilution liquid, associated with the receiving and housing device or with the device for transferring the preparation or with the processing container; dispensing means, connected to the processing chamber for delivering the ice cream-type product to the outside.

Abstract: A machine for processing and keeping ice cream, slush drinks and similar products, comprises a display counter comprising, a plurality of visible mixing and freezing cylinders for processing basic products and keeping ice cream, and a cooling circuit which allows the temperature of the basic products and of the ice cream to be adjusted; the cooling circuit is equipped with a first refrigerating circuit and a second heating circuit having respective offtake branches dedicated to each of the mixing and freezing cylinders and designed to maintain the temperature for processing the basic product at the same temperature for keeping the ice cream.

Abstract: A natural coolant refrigerating plant includes a motor-driven compressor with two compression stages, at least one jacket for heating and/or cooling a product being processed, an intercooler located upstream of the second compression stage and a gas-cooler located downstream of an outlet from a second compression stage. A first branch connects an outlet of the gas-cooler with an inlet of the first stage of the motor-driven compressor for recovering a predetermined quantity of coolant.

Abstract: A method for making ice cream, including the following steps: a) preparing basic ingredients defining a basic mixture for ice cream; b) heating the basic mixture to cause an at least partial evaporation of the water contained in the basic ingredients, so as to make a basic mixture concentrate; c) subjecting the basic mixture concentrate to a mixing and cooling treatment comprising the steps of: c1) adding a basic liquid to the mixture concentrate, so as to dilute the mixture; c2) stirring and simultaneous thermal treatment for a predetermined period of time, to allow converting the diluted basic mixture concentrate into an ice cream type product.

Abstract: A machine for making and dispensing semiliquid and/or semisolid food products includes a working unit equipped with a cylinder for processing a mixture of a basic product and air, a heat exchange fluid flow chamber located around the cylinder, a dispensing tap and a mechanism for treating and feeding the heat exchange fluid to the flow chamber, and a flexible container for containing the basic product. A peristaltic pump transfers the basic product from the container to the processing cylinder through a supply duct along which there is a first pressure sensor for the pressure of the mixture fed into the cylinder. The sensor sends a signal indicating the pressure of the mixture to a control and drive unit which adjusts the operation of the peristaltic pump and thus the output pressure of the pump.

Abstract: A machine for making liquid and semi-liquid products includes a first container and first mixer for processing a basic product and a second container and second mixer for converting the basic product into a desired product. First and second heat exchangers are operatively associated respectively with the first and second containers. First and second drive units respectively drive the first and second mixers. A connecting duct allows transfer of the basic product from the first container to the second container. A separating element is associated with the duct and switchable between a separating configuration in which the transfer of basic product from the first container to the second container through the duct is prevented, and a connecting configuration in which a transfer of basic product from the first container to the second container through the duct is allowed.

Abstract: A machine for simultaneously making first and second liquid or semi-liquid products includes a first stirrer operating on a first container and a second stirrer operating on a second container. A thermodynamic heat treatment system includes a circuit filled with a heat exchanger fluid, a compressor operating on the fluid, a first heat exchanger affected by the fluid to exchange heat with the first container, and a second heat exchanger affected by the fluid to exchange heat with the second container. A first device for adjusting the flow rate of the fluid allows adjustment of the thermal power exchanged by the first heat exchanger. A second device for adjusting the flow rate of the fluid allows adjustment of the thermal power exchanged by the second heat exchanger. A control unit controls the first and second devices as a function of a measured operating parameter of the machine.

Abstract: A machine for making a liquid or semi-liquid product of the frozen type which includes a container for processing the liquid or semi-liquid product, provided with a loading opening; a stirrer positioned inside said container; a refrigeration system, provided with a heat carrying fluid, and comprising a heat exchanger, associated with said container; said container, stirrer and heat exchanger forming a batch freezing unit, a supplying unit for supplying a basic liquid product, associated with said container for releasing a basic liquid product designed to be mixed with a basic powder; closing means for the supplying unit, operatively acting on the supplying unit and capable of being activated and deactivated to allow supplying of the basic liquid product; a control unit, designed to control the refrigeration system, said stirrer and the closing means.

Abstract: A machine for making and dispensing iced food products such as granitas, slush drinks and the like including: at least one closed and sealed chamber for containing and processing the product to be dispensed; a corresponding tank for feeding the basic ingredients needed for obtaining the product to be dispensed; a connecting pipe between an outlet of the tank and the inlet of the chamber; and a flow meter positioned along said pipe.

Abstract: A machine for making liquid and semi-liquid products includes a container for processing the products, a mixer operating inside the container, a heat exchanger, operatively associated with the container for exchanging heat with the product inside the container, a motor driving the mixer, and an inverter, connected to the motor for controlling operation of the motor. A control and operating unit, connected to the inverter sends command signals and receives control signals. A communication fieldbus, interposed between the inverter and the control unit allows transmission of the signals. The control unit is programmed to run a first algorithm of the state machine type configured to control the inverter, include the following states: transmission of a command to the inverter, standby for confirmation that the inverter received the command, transmission of a read request for an inverter operating parameter, standby for receiving the inverter parameter.

Abstract: A machine for making and dispensing liquid and/or semi-liquid food products comprises a supply tank equipped with a loading mouth through which the ingredients necessary to make the basic product are loaded, and a lid for opening and closing the loading mouth; the lid comprises a covering wall with at least two parts which are foldable relative to each other and which are joined to each other by a folding line.

Abstract: A machine for making variegated ice cream or ice cream shake, including: a basic structure; one or more basic product mixing and freezing units, where each mixing and freezing unit in turn includes a processing cylinder containing the basic product and cooled by a respective refrigerating system and a stirring member mounted inside the processing cylinder and rotating to mix the basic product to prevent it from hardening and sticking to the cooled inside wall of the processing cylinder and to transform the basic product into a basic flavor; a closing element for closing the cylinder and provided with at least one outlet duct leading to the processing cylinder at one end and to an outlet mouth at the other end.

Abstract: 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.