Abrégé

The present invention concerns a boiler, in particular a condensing boiler, said boiler comprising at least one combustion zone, and a burner arranged in correspondence with said combustion zone along a longitudinal axis, and at least one first heat exchanger adapted to encircle said burner with its internal portion facing towards said burner and directly exposed to the flame of said burner, when in use, said heat exchanger providing a steel duct, preferably stainless steel, having a spiral profile and comprising a plurality of coils having a common axis of symmetry, the axis of symmetry of said first heat exchanger coinciding with said longitudinal axis of the boiler, said boiler being characterised in that the internal portion facing towards said axis of symmetry of each coil of said first heat exchanger has a continuous depression along at least one portion of said spiral profile.

Classes IPC  ?

• F24H 1/43 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec un ou plusieurs tubes d'eau enroulés en hélice ou en spirale
• F24H 1/44 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec combinaison de plusieurs types couverts par les groupes
• F28D 7/02 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant enroulées en hélice

Abrégé

A feeding assembly for feeding at least one fuel gas to a burner of a boiler has a feeding duct configured to feed to the burner a feeding flow of fuel gas in a feeding direction; and a safety device, which is arranged in the feeding duct and is shaped so as to define a stagnation zone configured to contain a return flow of gas from the burner in the feeding duct in a return direction substantially opposite to the feeding direction.

Classes IPC  ?

• F23D 14/82 - Dispositifs de sécurité, p. ex. fonctionnant en cas d'interruption de l'alimentation en gaz pour éviter le retour de flamme ou l'explosion
• F24H 1/00 - Appareils de chauffage de l’eau, p. ex. chauffe-eau, chauffe-eau instantanés en continu ou chauffe-eau à accumulation

Produits et services

Temperature controlling apparatus, in particular temperature indicators and thermostats; electronic apparatus for the remote control of signals; electrical couplings; apparatus for regulating and controlling electricity; data processing equipment; remote control apparatus; solar panels for the production of electricity; solar panels. Apparatus for air conditioning; air-conditioning installations; cooking apparatus and installations; water distribution installations; drying apparatus; air dryers; refrigerators; refrigerating appliances and installations; humidifiers; heating apparatus; electric heating apparatus; heating installations; heating boilers; heat pumps; hot water boilers; burners; burners for liquid, gaseous or solid fuels and their metal, electric and pneumatic parts and accessories; heat exchangers (other than parts of machines); solar thermal collectors (heating); solar energy collectors for heating and cooling. Installation of burners and boilers; installation of apparatus for heating; installation of apparatus for air-conditioning; installation of steam generating apparatus; installation of cooking apparatus; installation of refrigerating apparatus; installation of drying installations; installation of ventilating apparatus for water pipes; installation of sanitary installations; installation of solar panels and collectors; maintenance of burners and boilers; maintenance of heating apparatus; installation of air-conditioning apparatus; maintenance of steam generating apparatus; maintenance of refrigerating apparatus; maintenance of drying installations; maintenance of ventilating apparatus for water pipes; maintenance of sanitary installations; maintenance of solar panels and collectors; reparation services for others of burners and boilers; reparation services for others of heating apparatus; reparation services for others of air-conditioning apparatus; reparation services for others of steam generating apparatus; reparation services for others of refrigerating apparatus; reparation services for others of drying installations; reparation services for others of ventilating apparatus for water pipes; reparation services for others of sanitary installations; reparation services for others of solar panels and collectors.

Abrégé

The present invention concerns a boiler (10), in particular a condensing boiler (10), said boiler (10) comprising at least one combustion zone (13), and a burner (11) arranged in correspondence with said combustion zone (13) along a longitudinal axis (y), and at least one first heat exchanger (1) adapted to encircle said burner (11) with its internal portion (7) facing towards said burner (11) and directly exposed to the flame of said burner (11), when in use, said heat exchanger (1) providing a steel duct, preferably stainless steel, having a spiral profile and comprising a plurality of coils (2) having a common axis of symmetry (y), the axis of symmetry (y) of said first heat exchanger (1) coinciding with said longitudinal axis (y) of the boiler (10), said boiler (10) being characterised in that the internal portion (7) facing towards said axis of symmetry (y) of each coil (2) of said first heat exchanger (1) has a continuous depression (9) along at least one portion of said spiral profile.

Classes IPC  ?

• F28F 1/04 - Éléments tubulaires de section transversale non circulaire polygonale, p. ex. rectangulaire
• F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes

Abrégé

The present invention concerns a boiler (10), in particular a condensing boiler (10), said boiler (10) comprising at least one combustion zone (13), and a burner (11) arranged in correspondence with said combustion zone (13) along a longitudinal axis (y), and at least one first heat exchanger (1) adapted to encircle said burner (11) with its internal portion (7) facing towards said burner (11) and directly exposed to the flame of said burner (11), when in use, said heat exchanger (1) providing a steel duct, preferably stainless steel, having a spiral profile and comprising a plurality of coils (2) having a common axis of symmetry (y), the axis of symmetry (y) of said first heat exchanger (1) coinciding with said longitudinal axis (y) of the boiler (10), said boiler (10) being characterised in that the internal portion (7) facing towards said axis of symmetry (y) of each coil (2) of said first heat exchanger (1) has a continuous depression (9) along at least one portion of said spiral profile.

Classes IPC  ?

• F28F 1/04 - Éléments tubulaires de section transversale non circulaire polygonale, p. ex. rectangulaire

Abrégé

A feeding assembly for feeding at least one fuel gas to a burner of a boiler has a feeding duct (3) configured to feed to the burner (2) a feeding flow of fuel gas in a feeding direction (D1); and a safety device (4), which is arranged in the feeding duct (3) and is shaped so as to define a stagnation zone (9) configured to contain a return flow of gas from the burner (2) in the feeding duct (3) in a return direction (D2) substantially opposite to the feeding direction (D1).

Classes IPC  ?

• F23D 14/82 - Dispositifs de sécurité, p. ex. fonctionnant en cas d'interruption de l'alimentation en gaz pour éviter le retour de flamme ou l'explosion
• F23K 5/00 - Alimentation en d'autres combustibles ou distribution d'autres combustibles pour les appareils à combustion

Abrégé

A feeding assembly for feeding at least one fuel gas to a burner of a boiler has a feeding duct (3) configured to feed to the burner (2) a feeding flow of fuel gas in a feeding direction (D1); and a safety device (4), which is arranged in the feeding duct (3) and is shaped so as to define a stagnation zone (9) configured to contain a return flow of gas from the burner (2) in the feeding duct (3) in a return direction (D2) substantially opposite to the feeding direction (D1).

Classes IPC  ?

• F23K 5/00 - Alimentation en d'autres combustibles ou distribution d'autres combustibles pour les appareils à combustion
• F23D 14/82 - Dispositifs de sécurité, p. ex. fonctionnant en cas d'interruption de l'alimentation en gaz pour éviter le retour de flamme ou l'explosion

Abrégé

1; a second feeding device being mounted on the outside of the outer sleeve and being connected to a gaseous fuel source.

Classes IPC  ?

• F23D 14/58 - Buses caractérisés par la forme ou la disposition de l'orifice ou des orifices des buses, p. ex. en couronne
• F23D 14/24 - Brûleurs à gaz sans prémélangeur, c.-à-d. dans lesquels le combustible gazeux est mélangé à l'air de combustion à l'arrivée dans la zone de combustion avec des conduits d'alimentation en air et en gaz séparés, p. ex. avec des conduits disposés parallèlement ou se croisant au moins un des fluides étant soumis à un mouvement tourbillonnant

Abrégé

A combustion head for a burner is provided with an outer sleeve, which houses, on the inside, a first feeding device to feed a gaseous fuel into an oxidizing air flow fed along the outer sleeve by means of a pneumatic ventilation device, at least one swirl device, which is configured to cause a primary flow F1 of gaseous fuel and oxidizing air flowing out of the outer sleeve to make a helical movement, and at least one feeding channel with an annular shape, which is obtained between the outer sleeve and the swirl device in order to feed a secondary flow F2 of oxidizing air around the primary flow Fl; a second feeding device being mounted on the outside of the outer sleeve and being connected to a gaseous fuel source.

Classes IPC  ?

• F23D 11/24 - Brûleurs à pulvérisation directe de gouttelettes de liquide ou de liquide vaporisé dans l'enceinte de combustion le combustible étant comprimé avant un ajutage d'où il est pulvérisé dans une enceinte du fait d'une réduction appréciable de la pression
• F23D 11/40 - MélangeursTêtes de brûleurs
• F23D 14/02 - Brûleurs à gaz avec prémélangeurs, c.-à-d. dans lesquels le combustible gazeux est mélangé à l'air de combustion en amont de la zone de combustion
• F23D 14/62 - Dispositifs mélangeursTubes mélangeurs
• F23D 14/70 - Chicanes ou dispositifs analogues pour créer des turbulences

Produits et services

Downloadable software application to control and manage smart home products and devices with Internet of Things [IoT] connectivity, in particular those in the field of heating, cooling, ventilating, and air conditioning.

Produits et services

Temperature controlling apparatus, in particular temperature indicators and thermostats; electronic apparatus for the remote control of signals; electrical couplings; apparatus for regulating and controlling electricity; data processing equipment; remote control apparatus; solar panels for the production of electricity. Apparatus for air conditioning; air-conditioning installations; cooking apparatus and installations; water distribution installations; drying apparatus; air dryers; refrigerators; refrigerating appliances and installations; humidifiers; heating apparatus; electric heating apparatus; heating installations; heating boilers; hot water boilers; burners; burners for liquid, gaseous or solid fuels and their metal, electric and pneumatic parts and accessories; kettles; heat exchangers (other than parts of machines); solar thermal collectors (heating); solar panels, panels for capturing solar energy. Installation of burners and boilers; installation of apparatus for heating; installation of apparatus for air-conditioning; installation of steam generating apparatus; installation of cooking apparatus; installation of refrigerating apparatus; installation of drying installations; installation of ventilating apparatus for water pipes; installation of sanitary installations; installation of solar panels and collectors; maintenance of burners and boilers; maintenance of heating apparatus; maintenance of air-conditioning apparatus; maintenance of steam generating apparatus; maintenance of cooking apparatus; maintenance of refrigerating apparatus; maintenance of drying installations; maintenance of ventilating apparatus for water pipes; maintenance of sanitary installations; maintenance of solar panels and collectors; reparation services for others of burners and boilers; reparation services for other of heating apparatus; reparation services for others of air-conditioning apparatus; reparation services for others of steam generating apparatus; reparation services for others of cooking apparatus; reparation services for others of refrigerating apparatus; reparation services for others of drying installations; reparation services for others of ventilating apparatus for water pipes; reparation services for others of sanitary installations; reparation services for others of solar panels and collectors.

Abrégé

A profile of piping, particularly for making a heat exchanger for a condensation boiler. The cross-section of the profile has a trapezoidal portion with two bases and two sides, and a triangular portion with a base and two sides. A first side of the trapezoidal portion coincides with the base of the triangular portion. The second side and the bases of the trapezoidal portion and the sides of the triangular portion form the inner walls of the profile. A first angle between the first base of the trapezoidal portion and the first side of the triangular portion adjacent thereto is 45°-135°, preferably 90°. A second angle between the second base of the trapezoidal portion and the second side of the triangular portion adjacent thereto is 180°-270°, preferably 225°. A coiled heat exchanger for condensation boilers providing said profile and a condensation boiler providing said heat exchanger are provided.

Classes IPC  ?

• F24H 1/43 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec un ou plusieurs tubes d'eau enroulés en hélice ou en spirale
• F24H 1/44 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec combinaison de plusieurs types couverts par les groupes
• F24H 1/16 - Chauffe-eau instantanés, c.-à-d. dans lesquels il n'y a production de chaleur que lorsque l'eau s'écoule, p. ex. avec contact direct de l'eau avec l'agent chauffant dans lesquels l'eau est maintenue séparée de l'agent chauffant par tubes, p. ex. en forme de serpentins enroulés en hélice ou en spirale
• F24H 8/00 - Appareils de chauffage de fluides caractérisés par des moyens pour extraire par condensation la chaleur latente des fumées
• F28D 7/02 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant enroulées en hélice
• F28F 1/02 - Éléments tubulaires de section transversale non circulaire
• F28F 17/00 - Enlèvement de la glace ou de l'eau des appareils échangeurs de chaleur
• F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes

Produits et services

Temperature controlling apparatus, in particular temperature indicators and thermostats; electronic apparatus for the remote control of signals; electrical couplings; apparatus for regulating and controlling electricity; data processing equipment; remote control apparatus; solar panels for the production of electricity. Apparatus for air conditioning; air-conditioning installations; cooking apparatus and installations; water distribution installations; drying apparatus; air dryers; refrigerators; refrigerating appliances and installations; humidifiers; heating apparatus; electric heating apparatus; heating installations; heating boilers; hot water boilers; burners; burners for liquid, gaseous or solid fuels and their metal, electric and pneumatic parts and accessories; kettles; heat exchangers (other than parts of machines); solar thermal collectors (heating); solar panels, panels for capturing solar energy. Installation of burners and boilers; installation of apparatus for heating; installation of apparatus for air-conditioning; installation of steam generating apparatus; installation of cooking apparatus; installation of refrigerating apparatus; installation of drying installations; installation of ventilating apparatus for water pipes; installation of sanitary installations; installation of solar panels and collectors; maintenance of burners and boilers; maintenance of heating apparatus; installation of air-conditioning apparatus; maintenance of steam generating apparatus; maintenance of cooking apparatus; maintenance of refrigerating apparatus; maintenance of drying installations; maintenance of ventilating apparatus for water pipes; maintenance of sanitary installations; maintenance of solar panels and collectors; reparation services for others of burners and boilers; reparation services for others of heating apparatus; reparation services for others of air-conditioning apparatus; reparation services for others of steam generating apparatus; reparation services for others of cooking apparatus; reparation services for others of refrigerating apparatus; reparation services for others of drying installations; reparation services for others of ventilating apparatus for water pipes; reparation services for others of sanitary installations; reparation services for others of solar panels and collectors.

Produits et services

(1) Ducts of metal for ventilating and air conditioning installations; air conditioning ducts (2) Temperature controlling apparatus, in particular temperature gauges and thermostats; digital signal remote controllers (3) Electrical couplings; electrical voltage regulators for controlling electrical power; computers and computer hardware, computer hardware and computer software for database management, computer chipsets for use in transmitting data to and from a central processing unit; remote controllers for air conditioning and heating installations; solar panels for the production of electricity; electrical control systems for air conditioning systems (4) Electric and gas stoves; condensing boilers, residential, commercial and industrial burners for heating installations; heating boilers; hot water boilers; gas burners and oil burners; burners for liquid, gaseous or solid fuels and component parts for burners (5) Air filters for air conditioning units, axial-flow fans for air conditioning, fans for air conditioning; air conditioners; water purification machines for commercial and industrial use, water filtering units for commercial and industrial use, hot water heaters; refrigerators; refrigerating cabinets, and refrigerator condensers and compressors; humidifiers; electric kettles; heat exchangers, heat exchangers for chemical processing; solar thermal collectors (heating); thermal solar panels (1) Installations, maintenance and reparation services for others relating to burners and boilers, heating, air conditioning, steam generating, cooking, refrigerating, drying installations, relating to ventilating of water pipes, sanitary installations, solar panels and collectors

Abrégé

The present invention relates to a profile (1) of piping, in particular piping for making a heat exchanger (10) for a condensation boiler (20), characterized in that the cross-section of the profile (1) has a trapezoidal portion (2), having two bases (4, 5) and two sides (6, 7), and a triangular portion (3), having a base (6) and two sides (8, 9), wherein a first side (6) of the trapezoidal portion (2) coincides with the base (6) of the triangular portion (3), wherein the second side (7) and the bases (4, 5) of the trapezoidal portion and the sides (8, 9) of the triangular portion (3) form the inner walls of the profile (1), wherein a first angle (a) between the first base (4) of the trapezoidal portion (2) and the first side (8) of the triangular portion (3) adjacent to it is comprised between 45° and 135°, preferably 90°, wherein a second angle (β) between the second base (5) of the trapezoidal portion (2) and the second side (9) of the triangular portion (3) adjacent to it is comprised between 180° and 270°, preferably 225°. Further, the present invention concerns a coiled heat exchanger (10) for condensation boilers providing said profile (1) and a condensation boiler (20) providing said heat exchanger (10).

Classes IPC  ?

• F24H 1/43 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec un ou plusieurs tubes d'eau enroulés en hélice ou en spirale
• F24H 1/44 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec combinaison de plusieurs types couverts par les groupes
• F24H 8/00 - Appareils de chauffage de fluides caractérisés par des moyens pour extraire par condensation la chaleur latente des fumées
• F28D 7/02 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant enroulées en hélice
• F28F 1/02 - Éléments tubulaires de section transversale non circulaire

Abrégé

The invention relates to a condensation exchanger (1) for heating of water and/or for production of sanitary hot water, providing, in parallel, a first inner coil (2) with plain surface, and a second outer coil (3), said second coil (3) being externally spirally wound with respect to said first coil (2), within said first (2) and second (3) coils independently circulating a thermal carrier fluid, said first coil (2) exchanging heat with combustion fumes mainly by radiation and convection, and said second coil (3) exchanging heat with the combustion fumes mainly by condensation, said exchanger being characterized in that said second coil has a plain surface, and in that an insulating septum (4) is provided, said septum (4) dividing said exchanger (1) in a first upper or combustion zone (1'), and in a second lower or condensation zone (1 "), said insulating septum (4) dividing said exchanger (1) in said two areas (1', 1") with a ratio set by the following formula 45% = H1/L = 60% wherein L is the height of the exchanger and Hi the height of the first zone (1').

Classes IPC  ?

• F24H 1/16 - Chauffe-eau instantanés, c.-à-d. dans lesquels il n'y a production de chaleur que lorsque l'eau s'écoule, p. ex. avec contact direct de l'eau avec l'agent chauffant dans lesquels l'eau est maintenue séparée de l'agent chauffant par tubes, p. ex. en forme de serpentins enroulés en hélice ou en spirale
• F24H 1/43 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec un ou plusieurs tubes d'eau enroulés en hélice ou en spirale
• F28D 7/02 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant enroulées en hélice
• F28F 1/02 - Éléments tubulaires de section transversale non circulaire
• F28F 9/22 - Dispositions pour diriger les sources de potentiel calorifique dans des compartiments successifs, p. ex. aménagement des plaques de guidage

Abrégé

L≤60%.

Classes IPC  ?

• F28D 7/02 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant enroulées en hélice
• F24H 1/43 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec un ou plusieurs tubes d'eau enroulés en hélice ou en spirale
• F24H 1/44 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec combinaison de plusieurs types couverts par les groupes
• F24H 8/00 - Appareils de chauffage de fluides caractérisés par des moyens pour extraire par condensation la chaleur latente des fumées
• F24H 9/00 - APPAREILS DE CHAUFFAGE DE FLUIDES, p. ex. DE L'AIR OU DE L'EAU, COMPORTANT DES MOYENS DE PRODUCTION DE CHALEUR, p. ex. DES POMPES À CHALEUR, EN GÉNÉRAL Parties constitutives
• F28F 13/06 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique
• F28D 7/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
• F28F 1/02 - Éléments tubulaires de section transversale non circulaire
• F28F 1/04 - Éléments tubulaires de section transversale non circulaire polygonale, p. ex. rectangulaire

Produits et services

Measuring, detecting and monitoring instruments, devices and regulators, in particular temperature regulating apparatus, heat regulators (thermostats), thermostats, thermostat regulators.

Produits et services

Connections, electric; control panels [electricity]; heat regulating apparatus; remote control apparatus; temperature indicators; Thermostats. Heating and air conditioning installations; burners; boilers; steam generating, cooking, cooling, drying, ventilating, water distribution and sanitary installations; burners for liquid, gaseous and solid fuel and related mechanical, electrical and pneumatic parts and fittings. Services on behalf of third parties of installation, maintenance and repair relating to burners and boilers, heating, air conditioning, steam generating, cooking, cooling, drying, ventilation, water distribution and sanitary installations.

Produits et services

Igniting apparatus, electric, for igniting at a distance, Control panels (electricity), Switchboards, Boiler control instruments, Temperature controlling apparatus, Heat regulating apparatus, Including electronic cards; Measuring, signalling, checking (supervision) and life-saving apparatus and instruments; Calculating machines and data-processing equipment. Burners, boilers, heating installations, including radiators, humidifiers; Conditioners; Refrigerating installations; Drying installations; Ventilating installations. Building construction; Repair of heating and air conditioning installations; (for others).

Produits et services

Heating and air conditioning installations; burners; boilers; steam generating, cooking, cooling, drying, ventilating, water distribution and sanitary installations; burners for liquid, gaseous and solid fuel and related mechanical, electrical and pneumatic parts and fittings. Services on behalf of third parties of installation, maintenance and repair relating to burners and boilers, heating, air conditioning, steam generating, cooking, cooling, drying, ventilation, water distribution and sanitary installations.

Abrégé

An instant gas water heater features a water circuit (4) fed with water contained in a thank (7) and heated by another, preferably natural, heat source; a gas burner (11) for generating hot fumes; a heat exchanger (10) for transferring heat from the hot fumes to the water circulating in the water circuit (4); a gas adjusting device (24) for adjusting the gas flow rate to the gas burner (11) as a function of water flow rate in the water circuit (4); and a partializing device (20, 21) for partializing the gas burner (11) as a function of the water temperature in the water circuit (4) upstream from the heat exchanger (10).

Classes IPC  ?

• F24D 17/00 - Systèmes domestiques d'alimentation en eau chaude
• F24H 1/12 - Chauffe-eau instantanés, c.-à-d. dans lesquels il n'y a production de chaleur que lorsque l'eau s'écoule, p. ex. avec contact direct de l'eau avec l'agent chauffant dans lesquels l'eau est maintenue séparée de l'agent chauffant
• F24H 9/20 - Disposition ou montage des dispositifs de commande ou de sécurité

Abrégé

A proportional valve (4) for regulating gas in an instantaneous water heater is provided with a valve body (16) with a gas feed conduit (21) extending along a longitudinal axis (A), and a shoulder (25) transversal to the longitudinal axis (A); a shutter (17), which is movable with respect to the valve body (16) in a direction parallel to the longitudinal axis (A), extends along the longitudinal axis (A), and is designed to define a first and second assembly position in the valve body (16), to regulate a first and second type of gas, respectively.

Classes IPC  ?

• F23N 1/08 - Régulation de l'alimentation en combustible conjointement au réglage d'un autre agent, p. ex. l'eau de la chaudière
• G05D 16/06 - Commande de la pression d'un fluide sans source d'énergie auxiliaire l'élément sensible étant un organe élastique cédant à la pression, p. ex. un diaphragme, un soufflet, une capsule

Abrégé

A premix burner which comprises a combustion head comprising, in turn, a perforated covering element provided with a plurality of openings. The premix burner is characterised in that it is provided with a device for generating and delivering a minimum granted thermal power completely arranged inside the combustion head. Moreover, the device comprises a concave element, whose concavity faces the internal wall of the perforated covering element.

Classes IPC  ?

• F23D 14/14 - Brûleurs à rayonnement utilisant des écrans ou des plaques perforées
• F23D 23/00 - Assemblages de plusieurs brûleurs
• F23D 14/02 - Brûleurs à gaz avec prémélangeurs, c.-à-d. dans lesquels le combustible gazeux est mélangé à l'air de combustion en amont de la zone de combustion
• F23D 14/26 - Brûleurs pour la combustion d'un gaz, p. ex. d'un gaz stocké sous pression à l'état liquide avec dispositifs pour retenir la flamme
• F23Q 3/00 - Allumage à étincelles produites électriquement
• F23Q 9/04 - Allumage par flamme pilote indépendants de l'alimentation principale en combustible pour brûleurs droits, p. ex. des brûleurs de réchauds à gaz

Abrégé

A water-heater temperature selector has a hollow body (13) open at one end (13a), extending along an axis (A), and having a lateral wall (13b) in which at least one opening (16, 17, 18) is formed. And the temperature selector has a shutter (15) movable axially along the hollow body (13) between a first position of minimum overlap between the opening (16, 17, 18) and the shutter (15), and a second position of maximum overlap between the opening (16, 17, 18) and the shutter (15).

Classes IPC  ?

• F24H 9/20 - Disposition ou montage des dispositifs de commande ou de sécurité
• G05D 23/00 - Commande de la température
• G05D 23/20 - Commande de la température caractérisée par l'utilisation de moyens électriques avec un élément sensible présentant une variation de ses propriétés électriques ou magnétiques avec les changements de température

Produits et services

Wall-mounted gas boilers, gas boilers for producing hot water for sanitary and household purposes, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.

Abrégé

A method of producing a heat exchanger having a hollow elongated member (3) for conducting a liquid, and coiled about an axis (A) to form a number of adjacent turns (13) and a gap of predetermined size between the adjacent turns (13). The method includes the steps of coiling the hollow elongated member (3) about the axis (A) with such a coil pitch that the adjacent turns (13) either contact one another or are spaced apart by a distance smaller than the predetermined size of the gap; and inserting spacers between the adjacent turns (13); the spacers being designed to define the predetermined size of the gap, and to generate in the coiled hollow elongated member (3) a compressive force (F) along the axis (A).

Classes IPC  ?

• F24H 1/43 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec un ou plusieurs tubes d'eau enroulés en hélice ou en spirale
• F24H 8/00 - Appareils de chauffage de fluides caractérisés par des moyens pour extraire par condensation la chaleur latente des fumées

Abrégé

An air-gas premixing device to be inserted into a low-NOx gas burner. The device comprises a ring nut adapted to rotate about a symmetry axis passing through its geometric center. The rotation of the ring nut causes: - the rotation of a shutter for closing/opening an air-passage section for a fraction of the air from a ventilation group; and - the rotation of a premixing pipe provided with an eyelet for the passage of a combustible gas; so that the air and the combustible gas are mixed in said premixing pipe to obtain a decrease of NOx emissions.

Classes IPC  ?

• F23D 14/02 - Brûleurs à gaz avec prémélangeurs, c.-à-d. dans lesquels le combustible gazeux est mélangé à l'air de combustion en amont de la zone de combustion

Produits et services

Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus. Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes. Building construction; repair; installation services (services on behalf of third parties).

Abrégé

a plurality of gas tubes spaced out along a circumference. Each gas tube has a first portion, having an axis of symmetry parallel to the axis, and a second portion, placed in series with respect to the first portion. The second portion in inclined at an angle with respect to the axis.

Classes IPC  ?

• F23Q 9/00 - Allumage par flamme pilote
• F23M 3/00 - Autels

Produits et services

Electric and electronic apparatus and instruments, including electronic cards; measuring, signalling, checking (supervision), life-saving apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers and mechanisms for coin-operated apparatus; calculating machines and data-processing equipment. Burners, boilers, heating installations, including radiators, humidifiers; air-conditioning installations; refrigerating installations; drying installations; ventilation installations. Construction and repair (services for others).

Produits et services

Electric and electronic apparatus and instruments, including electronic cards; measuring, signalling, checking (supervision), life-saving apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers and mechanisms for coin-operated apparatus; calculating machines and data-processing equipment. Burners, boilers, heating installations, including radiators, humidifiers; air-conditioning installations; refrigerating installations; drying installations; ventilation installations. Building construction; repair; (services for others).

Produits et services

Appareils et instruments électriques et électroniques, y compris les fiches électroniques; appareils et instruments de mesurage, de signalisation, de contrôle (inspection), de secours (sauvetage); appareils pour l'enregistrement, la transmission, la reproduction du son ou des images; supports d'enregistrement magnétiques et mécanismes pour appareils à prépaiement; machines à calculer et équipement pour le traitement de l'information. Brûleurs, chaudières, installations de chauffage, y compris radiateurs, humidificateurs, installations de conditionnement d'air; installations de réfrigération; installations de séchage; installations de ventilation. Constructions et réparations.

Produits et services

OIL DOMESTIC BURNERS, OIL COMMERCIAL BURNERS, GAS DOMESTIC BURNERS, GAS COMMERCIAL BURNERS, OIL INDUSTRIAL BURNERS, GAS INDUSTRIAL BURNERS, GAS AND OIL COMMERCIAL BURNERS

Produits et services

Control panels; measuring, signalling, checking (supervision) apparatus and instruments; apparatus and instruments for accumulating, regulating or controlling electricity. Wall-mounted boilers, ground-based boilers, cast iron boilers, gas-fired instantaneous water heaters, boilers, burners, conditioners, hot air generating installations, water coolers, heat exchangers; apparatus for heating, ventilating and water supply.

Produits et services

Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electric power, including electronic cards; measuring, signalling, checking (supervision), life-saving apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers and mechanisms for coin-operated apparatus; calculating machines and data-processing equipment. Burners, boilers, heating installations, including radiators, humidifiers; air-conditioning installations; refrigerating installations; drying installations; ventilation installations. Construction and repair (services for others).

Produits et services

Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electric power, including electronic cards; measuring, signalling, checking (supervision), life-saving apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers and mechanisms for coin-operated apparatus; calculating machines and data-processing equipment. Burners, boilers, heating installations, including radiators, humidifiers; air-conditioning installations; refrigerating installations; drying installations; ventilation installations. Construction and repair (services for others).

Produits et services

Electric and electronic apparatus and instruments, including electronic cards; measuring, signalling, checking (supervision), life-saving apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers and mechanisms for coin-operated apparatus; calculating machines and data-processing equipment. Burners, boilers, heating installations, including radiators, humidifiers; air-conditioning installations; refrigerating installations; drying installations; ventilation installations. Construction and repair (services for others).

Produits et services

Apparatus for air conditioning, air-conditioning installations, apparatus and cooking installations, water distribution installations, drying apparatus, air dryers, desiccating apparatus, coolers, apparatus and refrigeration installations, humidifiers for central heating radiators, apparatus for heating, electric heating apparatus, heating boilers, heaters; all the aforementioned goods with the exclusion of water-cooking and cooling systems for the agro-alimentary industry.

Produits et services

Electric and electronic apparatus and instruments, including electronic files, measuring, signalling, monitoring and emergency apparatus and instruments, apparatus for recording, transmitting and reproducing sound or images; magnetic recording media and mechanisms for coin-operated apparatus; calculating machines and equipment for processing information. Burners, boilers, heating installations, including radiators; humidifiers; air-conditioning installations; refrigeration installations; drying installations, ventilating installations. Constructions and repairs.

Produits et services

Apparatus for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes. Installation, maintenance and repair of apparatus for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes for others.

Produits et services

Brûleurs, alimentateurs de chaudières de chauffage, boilleurs, chaudières et appareils de chauffage à combustible solide, liquide ou gazeux, installation et appareils de climatisation, installation de chauffage à eau, évaporateurs, réchauffeurs d'air, chauffe-eau, économiseurs de combustibles.

Produits et services

Brûleurs, alimentateurs de chaudières de chauffage, chauffe-eau, chaudières et appareils de chauffage à combustible solide, liquide ou gazeux; installations et appareils de climatisation, installations de chauffage à eau, évaporateurs, réchauffeurs d'air, chauffe-eau, économiseurs de combustibles.

Produits et services

heat exchangers, heat pumps, hot water heaters, steam generators, electric and gas stoves; refrigerators; clothes dryers, electric hot air hand dryers, commercial use stationary hair dryers, domestic use stationary hair dryers; ventilating fans for commercial and industrial use; hot water tanks, hot water heaters, water purification units, water filtering units for commercial and industrial use

Produits et services

(1) Equipment for heating, steam generating, refrigerating, drying, ventilating, cooking, sanitary and water supplying systems, namely; air coolers, humidifiers, generators, napta, gasoil and gas burners, furnaces, boilers, air and water circulating equipment, duct system, air conditioners, water cooling and heating apparatus, heaters, thermal controlling devices, valves, solar heating panels. (1) Services on account of third parties concerning installation, maintenance and repairing of heating systems, steam generating, cooking, refrigeration, drying, ventilation, water supply and sanitary systems.

Produits et services

Installations de chauffage, de production de vapeur, de cuisson, de réfrigération, de séchage, de ventilation, de distribution d'eau et installations sanitaires. Services pour compte de tiers de montage, d'entretien et de réparation d'installations de chauffage, de production de vapeur, de cuisson, de réfrigération, de séchage, de ventilation, de distribution d'eau et d'installations sanitaires.

Produits et services

Accessoires électriques et électroniques de brûleurs de combustibles liquides, gazeux et solides. Brûleurs de combustibles liquides, gazeux et solides et leurs accessoires mécaniques, électriques et électroniques.

Produits et services

Accessoires électriques et électroniques pour brûleurs de combustibles liquides, gazeux et solides. Brûleurs de combustibles liquides, gazeux et solides et leurs accessoires mécaniques, électriques et électroniques.