Abstract: A fluid circulation conduit 1 for use as a heating device in electrical household appliances, includes an element for creating turbulence in the fluid circulating in its inner volume 2. Application of the device is to electrical household appliances equipped with a heating device.

Abstract: The present invention relates to an assembly formed by a removable infusion unit and the supporting or locking elements thereof, for a machine for preparing beverages by extraction of a product to be infused. The assembly includes a receptacle intended to be rigidly connected to the machine and configured to removably receive the infusion unit. The assembly also includes a device for locking the unit onto the receptacle and an actuation device supported by either the unit or the receptacle and which controls the locking device and is arranged such that in a position in which the actuation device is deactivated, the locking device prevents the unit from being disconnected from the receptacle, and in a position in which the actuation device is activated, the locking device allows the unit to be disconnected from the receptacle. The invention is suitable for use in machines for preparing EXPRESSO-type beverages by extracting a product to be infused.

Abstract: The present invention relates to an infusion unit forming a hollow inner space that receives inserted elements, characterized in that it consists of a reinforcement belt that defines the hollow inner space of the infusion unit, said belt including means for taking up the forces generated while infusing on at least one inserted element, the reinforcement belt further including receiving means for each of said elements. The invention also relates to a machine container as well as to a machine with one such infusion unit, and similarly to a method for assembling at least one element to be inserted into an infusion unit. The invention can be used in all types of infusion machines, in particular EXPRESSO coffee machines.

Abstract: Provided is a system for making beverages that includes an infusion chamber with first and second chamber portions, one of which is movable, an actuator that controls closure of the infusion chamber, a closure device that includes upstream and downstream closures to allow or prevent the dose to enter the infusion chamber. The system includes at least an incoming fluid pipe that supplies the infusion chamber with fluid to be infused, with the first chamber portion interconnected to the actuator.

Abstract: The present invention relates to a device for infusing a substance to be infused having an infusion chamber for receiving the substance to be infused and for passing a pressurized water flow through the substance to be infused, the infusion chamber having an inlet portion (4) for feeding water into the infusion chamber and an outlet portion (2) for the infused beverage, the injection channel in fluid communication via an injection end with the inlet portion (4) and adapted for connection via an intake end (39) to a pressurized water circuit, characterized in that it comprises adjustable means for varying the water pressure in the injection channel, adapted for generating a water pressure difference between the intake end (39) and the injection end (40) and controlled by control means outside the infusion chamber.

Abstract: A system 10 and process for making beverages by infusing a product contained in a package 1. System 10 has an infusion chamber 7, a closure device 60 including upstream closure element 61 for selectively preventing and allowing access to chamber 7 from upstream of the latter and downstream closure element 62 for selectively receiving package 1 in chamber 7 or allowing package 1 to fall out of chamber 7 by gravity, the position of the upstream closure element 61 conditioning the position of downstream closure element 62 and vice versa.

Abstract: A boiler for use in a machine for making hot beverages includes a heat diffuser with a first wall destined to be placed in contact with the liquid to be heated and a second wall opposite first wall, heating element consisting of at least one serigraphed or photo-engraved resistance arranged on second wall of heat diffuser and defining a pattern formed of at least on resistive track, a body which with first wall of heat diffuser defines a heating chamber inside which the liquid is to be heated. It also includes a bearing element shaped to bear on second wall of heat diffuser on at least one zone, the resistive track(s) being arranged on either side of the zone so that the bearing element receives at least part of the force transmitted by the liquid to heat diffuser and resulting from the pressurizing of liquid in the heating chamber.

Abstract: The present device concerns a boiler for use in a machine for making hot beverages including a diffuser (32) with a first wall (33) destined to be placed in contact with the liquid to be heated and a second wall (34) opposite first wall (33), heating element (11) consisting of at least one thick film or photo-etching resistor (31) arranged on second wall (34) of diffuser (32), a body which, with first wall (33) of diffuser (32), defines a heating volume (11) inside which the liquid is to be heated, characterized in that it is arranged so that heating volume (11) is positioned on either side of heating element (30). Also described is the fabrication of machines for preparing hot beverages such as coffee.

Abstract: The present invention regarding a system (10) for making beverages by infusing a dose (1) of a product to be infused, comprising: an infusion chamber (7) defined by a first (42) and a second (22) chamber portions wherein at least one of the two chamber portions (42, 22) is movable; an actuator (40) arranged so as to control at least partially the closure of the infusion chamber (7); a closure device (60) comprising upstream closure means (61) and downstream closure means (62) which allow or prevent the dose (1) to enter the infusion chamber (7). The system (10) comprises at least an incoming fluid pipe (24) configured to supply the infusion chamber (7) with fluid to be infused, and is characterised in that the first chamber portion (42), interconnected to the actuator (40), comprises at least partially said incoming fluid pipe (24).

Abstract: The present invention relates to an infusion unit forming a hollow inner space that receives inserted elements, characterised in that it consists of a reinforcement belt that defines the hollow inner space of the infusion unit, said belt including means for taking up the forces generated while infusing on at least one inserted element, the reinforcement belt further including receiving means for each of said elements. The invention also relates to a machine container as well as to a machine with one such infusion unit, and similarly to a method for assembling at least one element to be inserted into an infusion unit. The invention can be used in all types of infusion machines, in particular EXPRESSO coffee machines.

Abstract: The present invention relates to an assembly formed by a removable infusion unit and the supporting or locking elements thereof, for a machine for preparing beverages by extraction of a product to be infused. The assembly includes a receptacle intended to be rigidly connected to the machine and configured to removably receive the infusion unit. The assembly also includes a device for locking the unit onto the receptacle and an actuation device supported by either the unit or the receptacle and which controls the locking device and is arranged such that in a position in which the actuation device is deactivated, the locking device prevents the unit from being disconnected from the receptacle, and in a position in which the actuation device is activated, the locking device allows the unit to be disconnected from the receptacle. The invention is suitable for use in machines for preparing EXPRESSO-type beverages by extracting a product to be infused.

Abstract: The present invention relates to a device for infusing a substance to be infused having an infusion chamber for receiving the substance to be infused and for passing a pressurised water flow through the substance to be infused, the infusion chamber having an inlet portion (4) for feeding water into the infusion chamber and an outlet portion (2) for the infused beverage, the injection channel in fluid communication via an injection end with the inlet portion (4) and adapted for connection via an intake end (39) to a pressurised water circuit, characterised in that it comprises adjustable means for varying the water pressure in the injection channel, adapted for generating a water pressure difference between the intake end (39) and the injection end (40) and controlled by control means outside the infusion chamber.

Abstract: The invention relates to an assembly for a machine for preparing beverages by infusion of a liquid, that includes a holder (10), a boiler (20) for heating the liquid for producing beverages, assembling element (21 a,21 b, 25) provided so as to selectively allow the connection and removable disconnection of the boiler on the holder (10), a first fluid communication element connected to the boiler (20) and a second fluid communication element connected to a fluid inlet circuit and/or a fluid outlet circuit, the first and second fluid communication element being adapted to interact in order to provide fluid communication between the boiler and a fluid inlet circuit and/or fluid outlet circuit, characterized in that it is adapted so that the connection and the disconnection between the boiler (20) and the holder (10) respectively enables and disables the interaction between the first and second fluid communication element.

Abstract: A boiler for a machine for preparing beverages, wherein a fluid is brought to a pressure of at least 8 bars, including at least one diffuser (1) having a first wall (2) to be placed in contact with the fluid to be heated, a second wall (3) opposite the first wall (2) and provided with at least one heating element, at least one body (5) defining, together with the first wall (2) of the diffuser (1), at least one heating chamber, wherein the heating element is a screen-printed or photoengraved resistor. The boiler has a deformation chamber (7). The chamber is arranged such that, when subjected to the pressure in the heating chamber, the diffuser (1) elastically deforms in the deformation chamber (7) so as at least partially to absorb the pressure force.

Abstract: A fluid circulation conduit 1 for use as a heating device in electrical household appliances, includes an element for creating turbulence in the fluid circulating in its inner volume 2. Application of the device is to electrical household appliances equipped with a heating device.

Abstract: The present invention concerns a boiler for use in a machine for making hot beverages comprising a heat diffuser (32) with a first wall (33) destined to be placed in contact with the liquid to be heated and a second wall (34) opposite first wall (33), heating means (30) consisting of at least one serigraphed or photo-engraved resistance (31) arranged on second wall (34) of heat diffuser (32) and defining a pattern formed of at least one resistive track, a body which with first wall (33) of heat diffuser (32) defines a heating chamber (11) inside which the liquid is to be heated. It also includes a bearing means shaped to bear on second wall (34) of heat diffuser (32) on at least one zone, the resistive track(s) being arranged on either side of the said zone so that the bearing means receives at least part of the force transmitted by the liquid to heat diffuser (32) and resulting from the pressurizing of the liquid in the heating chamber (11).

Abstract: The present device concerns a boiler for use in a machine for making hot beverages including a diffuser (32) with a first wall (33) destined to be placed in contact with the liquid to be heated and a second wall (34) opposite first wall (33), heating element (11) consisting of at least one thick film or photo-etching resistor (31) arranged on second wall (34) of diffuser (32), a body which, with first wall (33) of diffuser (32), defines a heating volume (11) inside which the liquid is to be heated, characterised in that it is arranged so that heating volume (11) is positioned on either side of heating element (30). Also described is the fabrication of machines for preparing hot beverages such as coffee.

Abstract: The invention relates to an assembly for a machine for preparing beverages by infusion of a liquid, that includes a holder (10), a boiler (20) for heating the liquid for producing beverages, assembling element (21 a,21 b, 25) provided so as to selectively allow the connection and removable disconnection of the boiler on the holder (10), a first fluid communication element connected to the boiler (20) and a second fluid communication element connected to a fluid inlet circuit and/or a fluid outlet circuit, the first and second fluid communication element being adapted to interact in order to provide fluid communication between the boiler and a fluid inlet circuit and/or fluid outlet circuit, characterised in that it is adapted so that the connection and the disconnection between the boiler (20) and the holder (10) respectively enables and disables the interaction between the first and second fluid communication element.

Abstract: A system 10 and process for making beverages by infusing a product contained in a package 1. System 10 has an infusion chamber 7, a closure device 60 including upstream closure element 61 for selectively preventing and allowing access to chamber 7 from upstream of the latter and downstream closure element 62 for selectively receiving package 1 in chamber 7 or allowing package 1 to fall out of chamber 7 by gravity, the position of the upstream closure element 61 conditioning the position of downstream closure element 62 and vice versa.