Abstract: A coffee grinder device includes a tank of coffee beans, at least one grinding member adapted to grind a quantity of coffee beans to obtain a coffee powder, a grain size adjustment device adapted to adjust at least one operating parameter of the grinding member to vary the grain size of the coffee powder (7), and a dispensing opening adapted to deliver the coffee powder towards a container adapted to receive the coffee powder. The coffee grinder device also includes in correspondence with or downstream of the dispensing opening, an optical grain size sensor adapted to intercept the coffee powder exiting the dispensing opening and to generate at least a signal indicative of the grain size of the coffee powder. The grain size of the coffee powder is selectable by the grain size adjustment device on the basis of the signal indicative of the grain size of the coffee powder.

Abstract: A device for producing foam, particularly of a liquid such as milk or coffee, includes a liquid source, a source of air or another gas, a mixing device in fluid communication with the liquid source and air source adapted to mix the liquid coming from the liquid source with the air coming from the air source to generate a foam of the liquid. The device further includes a duct in fluid communication with the mixing device downstream of the mixing device, with the foam flowing along the duct in a flow direction. The device includes a foam sensor associated with the duct and a radiation source adapted to generate a radiation which strikes the duct along an irradiation direction incident to the flow direction. The foam sensor includes a first photodiode placed on the irradiation direction or a second photodiode placed along a diffusion direction.

Abstract: A fryer includes a frying tank adapted to contain a cooking liquid; a pump adapted to suck from the frying tank, by suction duct, a portion of the cooking liquid and adapted to discharge into the frying tank, by a discharge duct, the portion of the cooking liquid. The fryer also includes a heater associated with the suction duct and/or the discharge duct and adapted to heat the cooking liquid flowing through the suction duct and/or through the discharge duct, the cooking liquid being heated only by the heater; and at least one mixer associated with the suction duct and/or discharge duct and adapted to mix cooking liquid flowing through the suction duct and/or discharge duct. The mixer is placed immediately upstream or downstream, or in correspondence with the heater to improve the heat exchange of the cooking liquid with the heater.

Abstract: A device for producing foam, particularly of a liquid such as milk or coffee, includes a liquid source, a source of air or another gas, a mixing device in fluid communication with the liquid source and air source adapted to mix the liquid coming from the liquid source with the air coming from the air source to generate a foam of the liquid. The device further includes a duct in fluid communication with the mixing device downstream of the mixing device, with the foam flowing along the duct in a flow direction. The device includes a foam sensor associated with the duct and a radiation source adapted to generate a radiation which strikes the duct along an irradiation direction incident to the flow direction. The foam sensor includes a first photodiode placed on the irradiation direction or a second photodiode placed along a diffusion direction.

Abstract: A carbonation device for beverages includes a carbonation tank to receive a beverage to be carbonated and carbon dioxide so as to generate a carbonated beverage, carbonated with the carbon dioxide, and a dispensing device in fluid communication with the carbonation tank to dispense, through a duct, the carbonated beverage to a container for carbonated beverages, the carbonated beverage flowing along the duct in a flow direction. The carbonation device further includes a carbonation sensor associated with the duct and having a radiation source to generate a radiation which strikes the duct along an irradiation direction incident to the flow direction. The carbonation sensor also includes a first photodiode placed on the irradiation direction from a side opposite to the radiation source with respect to the duct, or as an alternative, a second photodiode placed along a diffusion direction substantially orthogonal to the irradiation direction.

Abstract: The present invention relates to a system (1) for automatic filling of a beverage container (2), comprising a beverage dispensing device (3), adapted, in a use configuration, for dispensing a beverage into a container (2) positioned below said dispensing device (3).

Abstract: A pump particularly for pumping abrasive and/or chemically aggressive liquids includes at least one rotating pumping member having a respective shaft, the at least one rotating pumping member being at least partially housed inside a pump body. The shaft is rotatably supported by at least one support associated with the pump body. The shaft and the at least one support are both at least partially made of a material having a hardness greater than or equal to 5 Mohs, where the material having a hardness greater than or equal to 5 Mohs is located at least in the areas of the shaft and of the support in mutual contact.

Abstract: The present invention relates to a pressure profiling device (1), particularly for dispensing units of pressurized liquids, comprising a pump (3) adapted to generate a flow of a pressurized liquid in outlet, said pump (3) being configured to be connected, by means of at least one delivery duct (5, 5?), to at least one dispensing unit (7, 7?) of said liquid, a three-way hydraulic fitting (9, 9?) being applied to said at least one delivery duct (5, 5?), configured to divert a first part of said liquid leaving said pump (3) into a bypass duct (11, 11?), a remaining second part of said liquid continuing on said at least one delivery duct (5, 5?), a proportional valve (13, 13?) being applied to said bypass duct (11, 11?), which can be operated to vary the flow rate of said first part of said liquid diverted in said bypass duct (11, 11?) as a function of the degree of opening of said proportional valve (13, 13?) so as to vary the pressure of the remaining second part of said liquid, According to the invention, a re

Abstract: The present invention relates to an improved liquid pump (1) comprising at least one rotating pumping member (2, 3) and a drive shaft (4) rigidly constrained to said at least one rotating pumping member (2) and configured to drive said at least one rotating pumping member (2) into rotation, said at least one rotating pumping member (2, 3) being completely housed in a pumping chamber (6) formed within a pump casing (7), said drive shaft (4) being partially housed within said pump casing (7), between said drive shaft (4) and said pump casing (7) there being provided at least one liquid-tight seal (8) for preventing leakage of said liquid along said drive shaft (4), said pump (1) comprising a suction duct (9) in liquid communication with said pumping chamber (6) and a delivery duct (11) in liquid communication with said pumping chamber (6).

Abstract: A pump particularly for pumping a liquid such as ink, paint, glue or the like, includes at least one rotating pumping member having a respective shaft. The at least one rotating pumping member being at least partially housed inside a pump body, the shaft being rotatably supported by at least one support associated with the pump body. The shaft has on its external cylindrical surface in contact with the liquid one, or more recesses, or the at least one support includes on its internal cylindrical surface in contact with the liquid, one or more recesses.

Abstract: A sensorized accessory for pumps, particularly for coffee machines, includes an inlet fitting configured to be coupled to a delivery port of a pump and a body inside which the followings are realized: an inlet conduit configured to be placed in fluid communication with the delivery port of the pump by the inlet fitting; at least one sensorized outlet conduit, in fluid communication with the inlet conduit, a device for detecting the flow and/or pressure of a fluid flowing along the at least one sensorized outlet conduit being associated to the at least one sensorized outlet conduit, the detection device being adapted to generate signals indicative of the flow and/or pressure of the fluid.

Abstract: A fluid-dynamic device with integrated sensor element includes a first chamber suitable for the containment and/or the passage of a fluid, provided with an inlet opening operatively connectable to a fluid-dynamic circuit and configured to allow a fluid to enter the first chamber, and with a separate outlet opening, operatively connectable to a fluid-dynamic circuit and configured to expel said fluid from the first chamber. The first chamber includes at least one portion elastically deformable due to the action of the fluid contained therein and/or passing through the first chamber, to which a sensor element is associated which is sensitive to the deformation of the elastically deformable portion of the first chamber.

Abstract: The present invention relates to a system (1) for automatic filling of a beverage container (2), comprising a beverage dispensing device (3), adapted, in a use configuration, for dispensing a beverage into a container (2) positioned below said dispensing device (3).

Abstract: An apparatus for frothing milk includes: a container for milk to be frothed; a steam source; a steam ejector device including a first inlet line in fluid communication with the container and a second inlet line in fluid communication with the steam source, the steam ejector device injecting steam into the milk to obtain a milk and steam mixture, the steam ejector device including an outlet line for the milk and steam mixture; an air intake in fluid communication with the outlet line of the steam ejector device; and a pump located downstream of the steam ejector device for drawing the mixture of milk and steam and air coming from the outlet line of the steam ejector device, the pump forming a froth of the mixture of milk and steam delivering the froth along a delivery line.

Abstract: An improved screw-spindle pump, particularly for cooling systems, includes a first screw, a second screw and a pump housing, inside which the first screw and the second screw are rotatably housed between the first screw, the second screw and the pump housing, being defined pumping chambers adapted to move, as a consequence of the rotation of the first screw and the second screw, a fluid from a suction area to a delivery area of the pump. The pump housing housing the first screw and the second screw is made in one piece.

Abstract: The present invention relates to a proportional valve (1), particularly for fluid dispensing devices, comprising a main body (3) in which an inlet conduit (5) for an inlet fluid to said proportional valve (1) and an outlet conduit (7) for a fluid leaving said proportional valve (1) are defined, said inlet conduit (5) and said outlet conduit (7) being in fluid communication with each other, said proportional valve (1) comprising at least one shutter element (9) arranged between said inlet conduit (5) and said outlet conduit (7) adapted to intercept said fluid, said shutter element (9) comprising a movable fluid sealing element (90) adapted to intercept said fluid at one of said inlet conduit (5) and said outlet conduit (7) and a lever element (92) associated at a first end with said movable fluid sealing element (90) and at a second end with an actuator device (11), said lever element (92) being hinged about said main body (3) at a fulcrum point (94) arranged between said first end and said second end of said

Abstract: A device for emulsifying liquid or solid products, in particular food products such as milk or ice cream, including a pump having at least one suction duct adapted for sucking a product to be emulsified and an emulsifying gas, and a delivery duct adapted for dispensing an emulsion obtained starting from the product to be emulsified and from the emulsifying gas, where the pump has a double worm screw arranged between the suction duct and the delivery duct, the double worm screw being adapted for emulsifying the product and the gas to obtain the emulsion and to push the product, the gas and/or the emulsion with a flow substantially parallel to the axis of the screws of the double worm screw from the suction duct to the delivery duct.

Abstract: A machine for dispensing coffee comprising: includes at least one pump, at least one heating device, and at least one delivery group. The pump sends pressurized water to the delivery group, and the heating device heats the water sent to the delivery group. The machine further includes at least one container of ground coffee; and a dispensing opening adapted to deliver, into a cup, coffee obtained by percolating the pressurized heated water through a dose of coffee powder in the container, wherein the coffee includes liquid coffee and coffee cream; The machine includes, in proximity of the dispensing opening, a coffee quality optical sensor adapted to intercept the coffee flow exiting the dispensing opening which detection is processed by a processing and control unit to generate a signal indicative of the properties of the coffee cream and/or a signal proportional to the extraction of coffee in the liquid coffee.

Abstract: A coffee grinder device includes a tank of coffee beans, at least one grinding member adapted to grind a quantity of coffee beans to obtain a coffee powder, a grain size adjustment device adapted to adjust at least one operating parameter of the grinding member to vary the grain size of the coffee powder, and a dispensing opening adapted to deliver the coffee powder towards a container adapted to receive the coffee powder. The coffee grinder device also includes in correspondence with or downstream of the dispensing opening, an optical grain size sensor adapted to intercept the coffee powder exiting the dispensing opening and to generate at least a signal indicative of the grain size of the coffee powder. The grain size of the coffee powder is selectable by the grain size adjustment device on the basis of the signal indicative of the grain size of the coffee powder.

Abstract: An improved screw-spindle pump, particularly for cooling systems, includes a first screw, a second screw and a pump housing, inside which the first screw and the second screw are rotatably housed between the first screw, the second screw and the pump housing, being defined pumping chambers adapted to move, as a consequence of the rotation of the first screw and the second screw, a fluid from a suction area to a delivery area of the pump. The pump housing housing the first screw and the second screw is made in one piece.