A hot water appliance includes a housing defining an inner space; a heat source arranged in the inner space of the housing and comprising at least one burner; a flue gas discharge arranged in the inner space of the housing and configured to discharge combustion gases of the at least one burner therethrough; and a heat exchanger arranged in the inner space of the housing and associated with the flue gas discharge. The combustion gases of the at least one burner form a first heat exchanging fluid of the heat exchanger associated with the flue gas discharge. A flue gas discharge for a hot water appliance and a method for heating a fluid are also described.
F24H 8/00 - Appareils de chauffage de fluides caractérisés par des moyens pour extraire par condensation la chaleur latente des fumées
F24H 1/14 - 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
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
F28F 1/08 - Éléments tubulaires gaufrés ou ondulés longitudinalement
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
F28D 7/08 - 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 ayant une autre courbure, p. ex. en serpentins ou en zigzag
F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes
3.
Operating element and appliance provided therewith
A domestic appliance has an operating element, the operating element comprising a carrier, at least one pressure sensor configured for detection of an operation of the operating element, and at least one light source. A control is configured to switch the light source on or off subject to a sensor signal coming from the pressure sensor. At least one light conductor is arranged close to the light source and is configured to conduct light from the light source to at least a side of the light conductor remote from the carrier. Provided on or close to the side of the light conductor remote from the carrier is a screen comprising at least one opaque part and at least one translucent part, which together form a symbol.
F24D 19/10 - Aménagements ou montage des dispositifs de commande ou de sécurité
G06F 3/0362 - Dispositifs de pointage déplacés ou positionnés par l'utilisateurLeurs accessoires avec détection des translations ou des rotations unidimensionnelles [1D] d’une partie agissante du dispositif de pointage, p. ex. molettes de défilement, curseurs, boutons, rouleaux ou bandes
H03K 17/965 - Commutateurs actionnés par le déplacement d'un élément incorporé dans ce commutateur
F21V 11/02 - Écrans non couverts par les groupes , , ou utilisant des lamelles ou des bandes parallèles, p. ex. du type store vénitien
F21V 23/04 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage les éléments étant des interrupteurs
F21V 31/00 - Dispositions d'étanchéité à l'eau ou aux gaz
F21V 33/00 - Combinaisons structurales de dispositifs d'éclairage avec d'autres objets, non prévues ailleurs
F21W 131/30 - Éclairage pour un usage domestique ou personnel
4.
Centrifugal fan and heating device provided therewith
The present invention relates to a centrifugal fan comprising a fan housing with a radial outlet opening arranged in a radial peripheral wall thereof, a rotor arranged rotatably in the fan housing and provided close to an axial rotation axis thereof with a rotor inflow opening, wherein the fan housing is provided close to the rotation axis of the rotor with an axial inlet opening, and a tube part which extends in the fan housing from the radial outlet opening arranged in the radial peripheral wall and inward along the radial peripheral wall. The invention further relates to a heating device comprising a burner with a fuel mixture infeed opening, a centrifugal fan according to the invention, and wherein a fluid connection is provided between the fuel mixture infeed opening of the burner and the outlet opening of the centrifugal fan.
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F23D 14/36 - Brûleurs spécialement conçus pour être utilisés avec des moyens comprimant le combustible gazeux ou l'air de combustion dans lesquels le compresseur et le brûleur forment une unité
F23L 5/02 - Aménagements des ventilateurs ou des soufflantes
5.
Flow controller and a hot water appliance provided therewith
A flow controller for a hot water appliance includes a housing having at least three channels, a branching chamber arranged in the housing and in which the at least three channels debouch, and in which a shut-off valve is arranged with which at least two of the three channels can be closed and left clear. The shut-off valve has an adjustment range with a first extreme position in which a first channel and a second channel of the at least three channels are in flow connection with each other via the branching chamber and in which the first channel and a third channel of the at least three channels are substantially closed off from each other. A hot water appliance can include such a flow controller.
F24H 9/20 - Disposition ou montage des dispositifs de commande ou de sécurité
F16K 11/044 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des soupapes ou des clapets à corps de soupape ou de clapet mobiles situés entre des sièges de soupape ou de clapet
F24D 19/10 - Aménagements ou montage des dispositifs de commande ou de sécurité
F24D 17/00 - Systèmes domestiques d'alimentation en eau chaude
F24H 1/14 - 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
6.
Device and method for mixing combustible gas and combustion air, hot water installation provided therewith, corresponding thermal mass flow sensor and method for measuring a mass flow rate of a gas flow
A device for mixing combustible gas and combustion air, hot water installation, and corresponding thermal mass flow sensor and method. The device includes an air line, a gas line with a control valve, a first measuring line connecting the air and gas lines, and a second measuring line connecting the first measuring line to the gas and/or air line, forming a three-way intersection. A thermal mass flow sensor includes first and second temperature sensors in the first measuring line, positioned respectively in a gas flow between the three-way intersection and the air line and in a gas flow between the three-way intersection and the gas line. A controller controls the control valve based on a difference, measured by the flow sensor, between mass flow rate of gas between the three-way intersection and the air line and mass flow rate of gas between the three-way intersection and the gas line.
F23N 1/02 - Régulation de l'alimentation en combustible conjointement au réglage de l'amenée d'air
F23N 5/18 - Systèmes de commande de la combustion utilisant des détecteurs sensibles au débit de l'écoulement de l'air ou du combustible
G05D 11/13 - Commande du rapport des débits de plusieurs matériaux fluides ou fluents caractérisée par l'usage de moyens électriques
G01F 1/684 - Dispositions de structureMontage des éléments, p. ex. relativement à l'écoulement de fluide
G01F 1/688 - Dispositions de structureMontage des éléments, p. ex. relativement à l'écoulement de fluide utilisant un élément de chauffage, de refroidissement ou de détection d'un type particulier
The invention relates to a method and a device for determining in a heating appliance whether ignition of the mixture of fluid fuel and air has taken place, comprising the following steps of: applying an electrical ignition signal to a measuring circuit; filtering a combustion signal from the ignition signal; comparing the detected combustion signal to a predetermined pattern; and establishing that the anticipated combustion signal took place during a predetermined period of time.
F23N 5/20 - Systèmes de commande de la combustion à programme de temps commandé électriquement, p. ex. au moyen de relais à retards
F23N 5/24 - Systèmes prévenant le développement de conditions anormales ou indésirables, c.-à-d. dispositifs de sécurité
F23N 5/12 - Systèmes de commande de la combustion utilisant des dispositifs sensibles aux variations thermiques ou à la dilatation thermique d'un agent utilisant des éléments sensibles à l'ionisation, c.-à-d. des électrodes de flamme
9.
HOT WATER APPLIANCE, FLUE GAS DISCHARGE THEREFOR AND METHOD FOR HEATING A FLUID
The present invention relates to a hot water appliance, comprising: a housing defining an inner space; a heat source arranged in the inner space of the housing and comprising at least one burner; a flue gas discharge arranged in the inner space of the housing and configured to discharge combustion gases of the at least one burner therethrough; and a heat exchanger arranged in the inner space of the housing and associated with the flue gas discharge, and wherein the combustion gases of the at least one burner form a first heat exchanging fluid of the heat exchanger associated with the flue gas discharge. The invention further relates to a flue gas discharge for a hot water appliance and a method for heating a fluid.
F24H 1/14 - 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
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 1/047 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source de potentiel calorifique est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant courbées, p. ex. en serpentin ou en zigzag
F28D 7/08 - 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 ayant une autre courbure, p. ex. en serpentins ou en zigzag
F28F 1/08 - Éléments tubulaires gaufrés ou ondulés longitudinalement
10.
OPERATING ELEMENT AND APPLIANCE PROVIDED THEREWITH
The present invention relates to a domestic appliance with an operating element, the operating element comprising: - a carrier, at least one pressure sensor configured for detection of an operation of the operating element, and at least one light source; - a control which is configured to switch the light source on or off subject to a sensor signal coming from the pressure sensor; - at least one light conductor arranged close to the light source and configured to conduct light from the light source to at least a side of the light conductor remote from the carrier; and - wherein provided on or close to the side of the light conductor remote from the carrier is a screen comprising at least one opaque part and at least one translucent part, which together form a symbol.
G06F 3/0362 - Dispositifs de pointage déplacés ou positionnés par l'utilisateurLeurs accessoires avec détection des translations ou des rotations unidimensionnelles [1D] d’une partie agissante du dispositif de pointage, p. ex. molettes de défilement, curseurs, boutons, rouleaux ou bandes
H03K 17/968 - Commutateurs actionnés par le déplacement d'un élément incorporé dans ce commutateur utilisant des dispositifs opto-électroniques
F24D 19/10 - Aménagements ou montage des dispositifs de commande ou de sécurité
The present invention relates to a centrifugal fan comprising a fan housing with a radial outlet opening arranged in a radial peripheral wall thereof, a rotor arranged rotatably in the fan housing and provided close to an axial rotation axis thereof with a rotor inflow opening, wherein the fan housing is provided close to the rotation axis of the rotor with an axial inlet opening, and a tube part which extends in the fan housing from the radial outlet opening arranged in the radial peripheral wall and inward along the radial peripheral wall. The invention further relates to a heating device comprising a burner with a fuel mixture infeed opening, a centrifugal fan according to the invention, and wherein a fluid connection is provided between the fuel mixture infeed opening of the burner and the outlet opening of the centrifugal fan.
The invention relates to a heat exchanger, comprising a hollow central body which is received in a housing and defines an inner channel for a first medium, wherein a space surrounding the central body in the housing defines at least one outer channel for a second medium, wherein the central body has on either side parts which protrude from a main plane thereof and are connected to mutually opposite parts of the housing and which bound the outer channel such that the outer channel has a meandering form substantially parallel to the main plane of the central body.
The invention further relates to a method for forming such a heat exchanger, and to a method for use thereof.
F28D 9/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
F24H 1/28 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec une chemise d'eau entourant la ou les chambres de combustion la chemise d'eau étant monobloc renfermant un ou plusieurs tubes foyers ou de fumées
F28F 13/08 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en faisant varier la section transversale des canaux d'écoulement
F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes
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
13.
FLOW CONTROLLER AND A HOT WATER APPLIANCE PROVIDED THEREWITH
The present invention relates to a flow controller for a hot water appliance, comprising: - a housing comprising at least three channels; - a branching chamber which is arranged in the housing and in which the at least three channels debouch and in which a shut-off valve is arranged with which at least two of the three channels can be closed and left clear; and - wherein the shut-off valve has an adjustment range with a first extreme position in which a first channel and a second channel of the at least three channels are in flow connection with each other via the branching chamber and in which the first channel and a third channel of the at least three channels are substantially closed off from each other. The invention further relates to a hot water appliance provided with such a flow controller.
F24H 9/20 - Disposition ou montage des dispositifs de commande ou de sécurité
F16K 11/044 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des soupapes ou des clapets à corps de soupape ou de clapet mobiles situés entre des sièges de soupape ou de clapet
14.
DEVICE AND METHOD FOR MIXING COMBUSTIBLE GAS AND COMBUSTION AIR, HOT WATER INSTALLATION PROVIDED THEREWITH, CORRESPONDING THERMAL MASS FLOW SENSOR AND METHOD FOR MEASURING A MASS FLOW RATE OF A GAS FLOW
The invention relates to a device for mixing combustible gas and combustion air, hot water installation provided therewith, and corresponding thermal mass flow sensor and method. The device comprises: an air duct (4, 104, 204, 304, 404, 504); a gas line (6, 106, 206, 306, 406, 506) with a control valve (12, 112, 212, 312, 412, 512); a first measuring line (14, 114, 214, 314, 414, 514) which connects the air duct and the gas line; a second measuring line (16, 116, 216, 316, 416, 516) which connects the first measuring line to the gas line and/or the air duct, thus forming a three-way branch; a thermal mass flow sensor (18, 18', 118, 618, 718, 818, 918) comprising a first temperature sensor (22, 22', 622, 722a, 722b, 1022) and second temperature sensor (24, 24', 624, 724a, 724b 1024) in the first measuring line, which are positioned such that they are situated respectively in a gas flow between the three-way branch and the air duct and in a gas flow between the three-way branch and the gas line during use; and a controller which controls the control valve on the basis of a difference, measured by the thermal mass flow sensor, between the mass flow rate of the gas flow between the three-way branch and the air duct and the mass flow rate of the gas flow between the three-way brach and the gas line.
The present invention relates to a tube for a heat exchanger, wherein at least a part of the tube has a variable cross-section in longitudinal direction, wherein a cross-sectional area decreases from a maximum value close to an outer end of the tube to a minimum value close to an opposite outer end thereof.
The invention further relates to a heat exchanger provided with at least one such tube and to a central heating installation and a tap water system comprising such a heat exchanger.
F24F 13/08 - Organes de réglage de l'écoulement d'air, p. ex. persiennes, grilles, volets ou plaques directrices
F24H 1/28 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec une chemise d'eau entourant la ou les chambres de combustion la chemise d'eau étant monobloc renfermant un ou plusieurs tubes foyers ou de fumées
F28F 13/08 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en faisant varier la section transversale des canaux d'écoulement
F28F 1/02 - Éléments tubulaires de section transversale non circulaire
F28F 1/06 - Éléments tubulaires de section transversale non circulaire gaufrés ou ondulés transversalement
F24H 1/36 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec réservoir d'eau adjacent à la chambre ou aux chambres de combustion, p. ex. au-dessus ou à côté le réservoir d'eau renfermant un ou plusieurs tubes de feu
F28D 1/053 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source de potentiel calorifique est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
16.
METHOD AND DEVICE FOR DETERMINING WHETHER IGNITION HAS OCCURRED
The invention relates to a method and a device for determining in a heating appliance whether ignition of the mixture of fluid fuel and air has taken place, comprising the following steps of: - applying an electrical ignition signal to a measuring circuit; - filtering a combustion signal from the ignition signal; - comparing the detected combustion signal to a predetermined pattern; and - establishing that the anticipated combustion signal took place during a predetermined period of time.
The invention relates to a water heating device, comprising a burner (20) and a flame current measuring device (100) for measuring a flame current, which measuring device comprises two electrodes and a voltage source (14), wherein each of the poles (18, 19) of the voltage source is connected to one of the electrodes. The water heating device further comprises a heat exchanger (40) which is electrically insulated relative to the burner. The burner and the heat exchanger here form the electrodes of the flame current measuring device. The heat exchanger functioning as electrode can be earthed (41). The measured flame current can be used to determine the excess air factor of the combustion. The water heating device can further comprise an air/fuel controller for controlling the air/fuel ratio, wherein the air/fuel controller uses the determined excess air factor to control the air/fuel ratio. The invention also relates to a method for measuring a flame current in a flame.
F23N 5/12 - Systèmes de commande de la combustion utilisant des dispositifs sensibles aux variations thermiques ou à la dilatation thermique d'un agent utilisant des éléments sensibles à l'ionisation, c.-à-d. des électrodes de flamme
F23N 1/00 - Régulation de l'alimentation en combustible
F23N 5/14 - Systèmes de commande de la combustion utilisant des dispositifs sensibles aux variations thermiques ou à la dilatation thermique d'un agent utilisant des résistances sensibles à la chaleur
F23N 5/26 - Systèmes de commande de la combustion Parties constitutives
F24H 9/20 - Disposition ou montage des dispositifs de commande ou de sécurité
18.
HEAT EXCHANGER, METHOD FOR FORMING THEREOF AND USE THEREOF
The invention relates to a heat exchanger (10), comprising a hollow central body (1) which is received in a housing (2) and defines an inner channel (3) for a first medium (Ml), wherein a space (4) surrounding the central body (1) in the housing (2) defines at least one outer channel for a second medium (M2), wherein the central body (1) has on either side parts (5) which protrude from a main plane thereof and the central body (1) comprises at least two substantially parallel profiled plates (13,14) connected loacally to each other, and the parts (5) and are connected to mutually opposite parts of the housing (2) and which bound the outer channel such that the outer channel has a meandering form substantially parallel to the main plane of the central body (1). The invention further relates to a method for forming such a heat exchanger, and to a method for use thereof.
F28D 9/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
F28F 13/08 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en faisant varier la section transversale des canaux d'écoulement
19.
HEAT EXCHANGER, HEATING DEVICE, HEATING SYSTEM AND METHOD FOR HEATING WATER
The present invention relates to a heat exchanger, comprising: - a first conduit circuit for guiding a first fluid; - a second conduit circuit for guiding a second fluid; - wherein the first conduit circuit and the second conduit circuit are both arranged in a heat-conducting material which is provided on a first side with fins; - wherein the first conduit circuit substantially defines a plane arranged substantially parallel to and close to the first side of the heat-conducting material; - wherein the second conduit circuit is arranged substantially along the first conduit circuit; - wherein the second conduit circuit extends substantially along only a limited part of the plane defined by the first conduit circuit. The invention further relates to a hot water device and hot water system provided with such a heat exchanger, and to a method for application thereof.
F24H 1/52 - Appareils de chauffage de l'eau pour chauffage central comprenant des moyens pour chauffer l'eau sanitaire comprenant des échangeurs de chaleur pour l'eau sanitaire
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
F24H 1/41 - 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 en forme de serpentin
F24D 11/02 - Systèmes de chauffage central utilisant la chaleur accumulée dans des matériaux accumulateurs utilisant des pompes de chaleur
20.
TUBE FOR A HEAT EXCHANGER WITH AN AT LEAST PARTIALLY VARIABLE CROSS-SECTION, AND HEAT EXCHANGER EQUIPPED THEREWITH
The present invention relates to a tube for a heat exchanger, wherein at least a part of the tube has a variable cross-section in longitudinal direction, wherein a cross-sectional area decreases from a maximum value close to an outer end of the tube to a minimum value close to an opposite outer end thereof. The invention further relates to a heat exchanger provided with at least one such tube and to a central heating installation and a tap water system comprising such a heat exchanger.
F28F 1/06 - Éléments tubulaires de section transversale non circulaire gaufrés ou ondulés transversalement
F28F 1/02 - Éléments tubulaires de section transversale non circulaire
F28F 13/08 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en faisant varier la section transversale des canaux d'écoulement
F24H 1/28 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec une chemise d'eau entourant la ou les chambres de combustion la chemise d'eau étant monobloc renfermant un ou plusieurs tubes foyers ou de fumées
21.
Mixture supply system for a hot water appliance, a hot water appliance comprising such a mixture supply system and a method for mixing a fuel and an oxidizer
The invention relates to a mixture supply system which is adapted for mounting in a hot water appliance and which is adapted to supply a combustible mixture to a burner of the hot water appliance, comprising a fuel feed for a fluid fuel, an oxidizer feed for a fluid oxidizer, a mixing chamber for mixing the fuel and the oxidizer in order to form the combustible mixture, a discharge for discharging the combustible mixture from the mixing chamber and a fan for urging the fuel and oxidizer from the respective feed to the mixing chamber, and urging the mixture therefrom to the discharge, wherein the fan is adapted to act directly on both the fuel and the oxidizer. The fan does not so much make use of an airflow with gas drawn in by a venturi, but gas is supplied separately to the fan.
F23D 14/36 - Brûleurs spécialement conçus pour être utilisés avec des moyens comprimant le combustible gazeux ou l'air de combustion dans lesquels le compresseur et le brûleur forment une unité
F23D 14/64 - Dispositifs mélangeursTubes mélangeurs avec injecteurs
F23J 11/02 - Dispositifs pour la circulation des fumées ou des vapeurs, p. ex. conduits pour amener à l'extérieur les fumées ou vapeurs provenant de différentes sources, p. ex. dans des dépôts de locomotives, dans des garages
F23L 5/02 - Aménagements des ventilateurs ou des soufflantes
B01F 15/02 - Mécanismes d'alimentation ou d'évacuation
F23N 1/02 - Régulation de l'alimentation en combustible conjointement au réglage de l'amenée d'air
F24H 1/18 - Appareils de chauffage à accumulation d'eau
22.
METHOD FOR PREPARING HOT TAP WATER AND COMBINED CLIMATE CONTROL AND TAP WATER SYSTEM
The invention comprises a method for preparing hot tap water, comprising of feeding tap water from a mains water supply, and guiding the supplied tap water to a tap water heating device and heating it therein, characterized by preheating the supplied tap water before it reaches the tap water heating device by making use of residual heat released during heating or cooling of a space. The invention also comprises a combined system for climate control and tap water provision, comprising at least one space heating or cooling member arranged in a space, the climate of which has to be controlled, a feed conduit for tap water connected to a mains water supply, and a device connected to the feed conduit for heating the tap water, characterized by a device for preheating the tap water placed between the tap water feed conduit and the tap water heating device, which preheating device is connected to the at least one space heating or cooling member. The invention likewise comprises a preheating device, evidently intended for use in a system as described above.
The invention relates to a device for heating water, comprising a heating module and a heat exchanger connected thereto which are enclosed by an insulating material, wherein the insulating material comprises a vacuum-packed core material. In the heating device the heating module and the heat exchanger are further received in a housing with a number of walls, wherein the vacuum-packed core material is arranged between one of the walls and the heating module and/or the heat exchanger.
The invention relates to a water heating device, comprising a burner (20) and a flame current measuring device (100) for measuring a flame current, which measuring device comprises two electrodes and a voltage source (14), wherein each of the poles (18, 19) of the voltage source is connected to one of the electrodes. The water heating device further comprises a heat exchanger (40) which is electrically insulated relative to the burner. The burner and the heat exchanger here form the electrodes of the flame current measuring device. The heat exchanger functioning as electrode can be earthed (41). The measured flame current can be used to determine the excess air factor of the combustion. The water heating device can further comprise an air/fuel controller for controlling the air/fuel ratio, wherein the air/ fuel controller uses the determined excess air factor to control the air/ fuel ratio. The invention also relates to a method for measuring a flame current in a flame.
F23N 5/12 - Systèmes de commande de la combustion utilisant des dispositifs sensibles aux variations thermiques ou à la dilatation thermique d'un agent utilisant des éléments sensibles à l'ionisation, c.-à-d. des électrodes de flamme
F23N 1/00 - Régulation de l'alimentation en combustible
The present invention relates to a hot water appliance comprising a heating member for heating water, a control unit for controlling the heating member, the control unit comprising a memory for storing a desired temperature of a space to be heated, and an input/output unit, wherein the input/output unit is adapted to receive a signal representative of a measured temperature, and wherein the control unit controls the heating member on the basis of the desired temperature and the measured temperature.
F24D 19/10 - Aménagements ou montage des dispositifs de commande ou de sécurité
26.
MIXTURE SUPPLY SYSTEM FOR A HOT WATER APPLIANCE, A HOT WATER APPLIANCE COMPRISING SUCH A MIXTURE SUPPLY SYSTEM AND A METHOD FOR MIXING A FUEL AND AN OXIDIZER
The invention relates to a mixture supply system which is adapted for mounting in a hot water appliance and which is adapted to supply a combustible mixture to a burner of the hot water appliance, comprising a fuel feed for a fluid fuel, an oxidizer feed for a fluid oxidizer, a mixing chamber for mixing the fuel and the oxidizer in order to form the combustible mixture, a discharge for discharging the combustible mixture from the mixing chamber and a fan for urging the fuel and oxidizer from the respective feed to the mixing chamber, and urging the mixture therefrom to the discharge, wherein the fan is adapted to act directly on both the fuel and the oxidizer. The fan does not so much make use of an airflow with gas drawn in by a venturi, but gas is supplied separately to the fan.
F23D 14/36 - Brûleurs spécialement conçus pour être utilisés avec des moyens comprimant le combustible gazeux ou l'air de combustion dans lesquels le compresseur et le brûleur forment une unité
F23D 14/64 - Dispositifs mélangeursTubes mélangeurs avec injecteurs
27.
FAN HOUSING FOR A FAN FOR SUPPLYING A FUEL/OXIDIZER MIXTURE TO A BURNER, INSERT AND SUPPLY DEVICE THEREFOR
Fan housing for a fan for supplying a fuel/oxidizer mixture to a burner, comprising: a supply opening (22); a fluid supply space (26) debouching at the supply opening; a first supply means (28) for supplying a fluid-like fuel; a second supply means (52) for supplying an oxidizing fluid; wherein the fluid supply space comprises mixing means (50) for mixing the fluid-like fuel with the oxidizing fluid; and wherein the supply opening lies at an angle relative to the supply direction of the fluid in the fluid supply space.
F23D 14/36 - Brûleurs spécialement conçus pour être utilisés avec des moyens comprimant le combustible gazeux ou l'air de combustion dans lesquels le compresseur et le brûleur forment une unité
F23L 5/02 - Aménagements des ventilateurs ou des soufflantes
A heat exchanger is manufactured from a single piece of heat-conducting material and comprises fins for guiding a fluid and for transferring heat between the fluid and the heat exchanger, wherein between the fins are provided transverse fins which extend in a direction substantially transversely of the fins over a distance which is less than the distance between the fins and in a direction substantially transversely of the flow direction of the fluid, wherein the transverse fins are arranged alternately close to or on mutually adjacent fins in order to cause a fluid flowing between the fins to follow a meandering path between the fins, wherein the lateral direction lies substantially perpendicularly of the fins.
A heat exchanger (10) is manufactured from a single piece of heat-conducting material and comprises fins (20) for guiding a fluid and for transferring heat between the fluid and the heat exchanger, wherein between the fins are provided transverse fins (24) which extend in a direction substantially transversely of the fins over a distance which is less than the distance between the fins and in a direction substantially transversely of the flow direction of the fluid, wherein the transverse fins are arranged alternately close to or on mutually adjacent fins in order to cause a fluid flowing between the fins to follow a meandering path between the fins, wherein the lateral direction lies substantially perpendicularly of the fins.
F24H 1/38 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central l'eau étant contenue dans des éléments séparés, p. ex. dans un élément du type radiateur
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 1/32 - Éléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant transversalement les moyens ayant des parties engageant d'autres éléments tubulaires
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
30.
TUBE FOR A HEAT EXCHANGER WITH AN AT LEAST PARTIALLY VARIABLE CROSS-SECTION, AND HEAT EXCHANGER EQUIPPED THEREWITH
The present invention relates to a tube for a heat exchanger, wherein at least a part of the tube has a variable cross-section in longitudinal direction, wherein a cross-sectional area decreases from a maximum value close to an outer end of the tube to a minimum value close to an opposite outer end thereof. The invention further relates to a heat exchanger provided with at least one such tube and to a central heating installation and a tap water system comprising such a heat exchanger.
F24H 1/28 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central avec une chemise d'eau entourant la ou les chambres de combustion la chemise d'eau étant monobloc renfermant un ou plusieurs tubes foyers ou de fumées
F28F 1/02 - Éléments tubulaires de section transversale non circulaire
F28F 1/06 - Éléments tubulaires de section transversale non circulaire gaufrés ou ondulés transversalement
F28F 13/08 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en faisant varier la section transversale des canaux d'écoulement
31.
HEAT EXCHANGER, METHOD FOR FORMING THEREOF AND USE THEREOF
The invention relates to a heat exchanger (10), comprising a hollow central body (1) which is received in a housing (2) and defines an inner channel (3) for a first medium (Ml), wherein a space (4) surrounding the central body (1) in the housing (2) defines at least one outer channel for a second medium (M2), wherein the central body (1) has on either side parts (5) which protrude from a main plane thereof and the central body (1) comprises at least two substantially parallel profiled plates (13,14) connected loacally to each other, and the parts (5) and are connected to mutually opposite parts of the housing (2) and which bound the outer channel such that the outer channel has a meandering form substantially parallel to the main plane of the central body (1). The invention further relates to a method for forming such a heat exchanger, and to a method for use thereof.
F28D 9/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
F28F 13/08 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en faisant varier la section transversale des canaux d'écoulement
32.
FLOW CONTROLLER AND A HOT WATER APPLIANCE PROVIDED THEREWITH
The present invention relates to a flow controller for a hot water appliance, comprising: - a housing comprising at least three channels; - a branching chamber which is arranged in the housing and in which the at least three channels debouch and in which a shut-off valve is arranged with which at least two of the three channels can be closed and left clear; and - wherein the shut-off valve has an adjustment range with a first extreme position in which a first channel and a second channel of the at least three channels are in flow connection with each other via the branching chamber and in which the first channel and a third channel of the at least three channels are substantially closed off from each other. The invention further relates to a hot water appliance provided with such a flow controller.
F16K 11/044 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des soupapes ou des clapets à corps de soupape ou de clapet mobiles situés entre des sièges de soupape ou de clapet
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 15/174 - Alimentation en eau chauffée à la température souhaitée ou dans une plage de température souhaitée
F24H 15/184 - Prévention des dommages aux utilisateurs provenant d’une exposition à de l’eau chauffée, p. ex. en cas d’échaudage
F24H 15/219 - Température de l’eau après chauffage
The present invention relates to a domestic appliance with an operating element, the operating element comprising: - a carrier, at least one pressure sensor configured for detection of an operation of the operating element, and at least one light source; - a control which is configured to switch the light source on or off subject to a sensor signal coming from the pressure sensor; - at least one light conductor arranged close to the light source and configured to conduct light from the light source to at least a side of the light conductor remote from the carrier; and - wherein provided on or close to the side of the light conductor remote from the carrier is a screen comprising at least one opaque part and at least one translucent part, which together form a symbol.
F24D 19/10 - Aménagements ou montage des dispositifs de commande ou de sécurité
G06F 3/0362 - Dispositifs de pointage déplacés ou positionnés par l'utilisateurLeurs accessoires avec détection des translations ou des rotations unidimensionnelles [1D] d’une partie agissante du dispositif de pointage, p. ex. molettes de défilement, curseurs, boutons, rouleaux ou bandes
A heat exchanger (10) is manufactured from a single piece of heat-conducting material and comprises fins (20) for guiding a fluid and for transferring heat between the fluid and the heat exchanger, wherein between the fins are provided transverse fins (24) which extend in a direction
substantially transversely of the fins over a distance which is less than the distance between the fins and in a direction substantially transversely of the flow direction of the fluid, wherein the transverse fins are arranged alternately close to or on mutually adjacent fins in order to cause a fluid flowing between the fins to follow a meandering path between the fins, wherein the lateral direction lies substantially perpendicularly of the fins.
F24H 1/38 - Appareils de chauffage de l'eau autres qu'instantanés ou à accumulation, p. ex. chauffe-eau pour chauffage central l'eau étant contenue dans des éléments séparés, p. ex. dans un élément du type radiateur
F28F 1/32 - Éléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant transversalement les moyens ayant des parties engageant d'autres éléments tubulaires
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
35.
MIXTURE SUPPLY SYSTEM FOR A HOT WATER APPLIANCE, A HOT WATER APPLIANCE COMPRISING SUCH A MIXTURE SUPPLY SYSTEM AND A METHOD FOR MIXING A FUEL AND AN OXIDIZER
The invention relates to a mixture supply system which is adapted for mounting in a hot water appliance and which is adapted to supply a combustible mixture to a burner of the hot water appliance, comprising a fuel feed for a fluid fuel, an oxidizer feed for a fluid oxidizer, a mixing chamber for mixing the fuel and the oxidizer in order to form the combustible mixture, a discharge for discharging the combustible mixture from the mixing chamber and a fan for urging the fuel and oxidizer from the respective feed to the mixing chamber, and urging the mixture therefrom to the discharge, wherein the fan is adapted to act directly on both the fuel and the oxidizer. The fan does not so much make use of an airflow with gas drawn in by a venturi, but gas is supplied separately to the fan.
F23D 14/36 - Brûleurs spécialement conçus pour être utilisés avec des moyens comprimant le combustible gazeux ou l'air de combustion dans lesquels le compresseur et le brûleur forment une unité
F23D 14/64 - Dispositifs mélangeursTubes mélangeurs avec injecteurs
36.
CENTRIFUGAL FAN AND HEATING DEVICE PROVIDED THEREWITH
The present invention relates to a centrifugal fan comprising a fan housing with a radial outlet opening arranged in a radial peripheral wall thereof, a rotor arranged rotatably in the fan housing and provided close to an axial rotation axis thereof with a rotor inflow opening, wherein the fan housing is provided close to the rotation axis of the rotor with an axial inlet opening, and a tube part which extends in the fan housing from the radial outlet opening arranged in the radial peripheral wall and inward along the radial peripheral wall. The invention further relates to a heating device comprising a burner with a fuel mixture infeed opening, a centrifugal fan according to the invention, and wherein a fluid connection is provided between the fuel mixture infeed opening of the burner and the outlet opening of the centrifugal fan.
The invention relates to a water heating device, comprising a burner (20) and a flame current measuring device (100) for measuring a flame current, which measuring device comprises two electrodes and a voltage source (14), wherein each of the poles (18, 19) of the voltage source is connected to one of the electrodes. The water heating device further comprises a heat exchanger (40) which is electrically insulated relative to the burner. The burner and the heat exchanger here form the electrodes of the flame current measuring device. The heat exchanger functioning as electrode can be earthed (41). The measured flame current can be used to determine the excess air factor of the combustion. The water heating device can further comprise an air/fuel controller for controlling the air/fuel ratio, wherein the air/ fuel controller uses the determined excess air factor to control the air/
fuel ratio. The invention also relates to a method for measuring a flame current in a flame.
F23N 1/00 - Régulation de l'alimentation en combustible
F23N 5/12 - Systèmes de commande de la combustion utilisant des dispositifs sensibles aux variations thermiques ou à la dilatation thermique d'un agent utilisant des éléments sensibles à l'ionisation, c.-à-d. des électrodes de flamme
The invention relates to a device for heating water, comprising a heating module and a heat exchanger connected thereto which are enclosed by an insulating material, wherein the insulating material comprises a vacuum-packed core material. In the heating device the heating module and the heat exchanger are further received in a housing with a number of walls, wherein the vacuum-packed core material is arranged between one of the walls and the heating module and/or the heat exchanger.
F16L 59/065 - Dispositions utilisant une couche d'air ou le vide utilisant le vide
F24D 19/00 - SYSTÈMES DE CHAUFFAGE DE LOCAUX DOMESTIQUES OU D'AUTRES LOCAUX, p. ex. SYSTÈMES DE CHAUFFAGE CENTRALSYSTÈMES D'ALIMENTATION EN EAU CHAUDE À USAGE DOMESTIQUELEURS ÉLÉMENTS OU PARTIES CONSTITUTIVES Détails
39.
METHOD AND DEVICE FOR DETERMINING WHETHER IGNITION HAS OCCURRED
The invention relates to a method and a device for determining in a heating appliance whether ignition of the mixture of fluid fuel and air has taken place, comprising the following steps of: - applying an electrical ignition signal to a measuring circuit; - filtering a combustion signal from the ignition signal; - comparing the detected combustion signal to a predetermined pattern; and - establishing that the anticipated combustion signal took place during a predetermined period of time.
F23N 5/20 - Systèmes de commande de la combustion à programme de temps commandé électriquement, p. ex. au moyen de relais à retards
F23N 5/24 - Systèmes prévenant le développement de conditions anormales ou indésirables, c.-à-d. dispositifs de sécurité
40.
DEVICE AND METHOD FOR MIXING COMBUSTIBLE GAS AND COMBUSTION AIR, HOT WATER INSTALLATION PROVIDED THEREWITH, CORRESPONDING THERMAL MASS FLOW SENSOR AND METHOD FOR MEASURING A MASSFLOW RATE OF A GAS FLOW
The invention relates to a device for mixing combustible gas and combustion air, hot water installation provided therewith, and corresponding thermal mass flow sensor and method. The device comprises: an air duct (4, 104, 204, 304, 404, 504); a gas line (6, 106, 206, 306, 406, 506) with a control valve (12, 112, 212, 312, 412, 512); a first measuring line (14, 114, 214, 314, 414, 514) which connects the air duct and the gas line; a second measuring line (16, 116, 216, 316, 416, 516) which connects the first measuring line to the gas line and/or the air duct, thus forming a three-way branch; a thermal mass flow sensor (18, 18', 118, 618, 718, 818, 918) comprising a first temperature sensor (22, 22', 622, 722a, 722b, 1022) and second temperature sensor (24, 24', 624, 724a, 724b 1024) in the first measuring line, which are positioned such that they are situated respectively in a gas flow between the three-way branch and the air duct and in a gas flow between the three-way branch and the gas line during use; and a controller which controls the control valve on the basis of a difference, measured by the thermal mass flow sensor, between the mass flow rate of the gas flow between the three-way branch and the air duct and the mass flow rate of the gas flow between the three-way brach and the gas line.
The present invention relates to a hot water appliance, comprising: a housing defining an inner space; a heat source arranged in the inner space of the housing and comprising at least one burner; a flue gas discharge arranged in the inner space of the housing and configured to discharge combustion gases of the at least one burner therethrough; and a heat exchanger arranged in the inner space of the housing and associated with the flue gas discharge, and wherein the combustion gases of the at least one burner form a first heat exchanging fluid of the heat exchanger associated with the flue gas discharge. The invention further relates to a flue gas discharge for a hot water appliance and a method for heating a fluid.
F24H 1/14 - 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
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
F28D 1/047 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source de potentiel calorifique est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant courbées, p. ex. en serpentin ou en zigzag
F28D 7/08 - 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 ayant une autre courbure, p. ex. en serpentins ou en zigzag
F28F 1/08 - Éléments tubulaires gaufrés ou ondulés longitudinalement