Heating installations, namely heating boilers, heating elements and their parts, namely, gas-water heat exchangers, stainless steel plate heat exchangers and three-way valves for heating installations.
Heating installations, namely heating boilers, heating elements and their parts, namely, gas-water heat exchangers, stainless steel plate heat exhangers and three-way valves for heating installations.
3.
Tube winding for a gas heat exchange cell for a boiler
A tube profile (1), in particular for manufacturing a heat exchanger for a condensing boiler, wherein the cross-section (10) of the tube profile (1) comprises: a rectangular portion (20) having two greater sides (21, 22) parallel to each other and two smaller sides (31, 32) parallel to each other and orthogonal to the greater sides (21, 22), and an ogival portion (40) defined by a convex flat figure formed by a base (41) and two curved sides (42, 43) connected to each other in an apical zone (48) opposite to said base, wherein said base (41) coincides with a first side (31) of said two smaller sides (31, 32) of the rectangular portion (20), wherein said two curved sides (42,43) are symmetrical to an axis of symmetry (S-S) parallel to said greater sides (21, 22) and passing through the central points (33, 34) of said smaller sides (31, 32), wherein one end of each of said two curved sides (42, 43) joins to one end of a respective one of said two greater sides (21, 22)) in a first joining point (PH1), said each of said two curved sides (42, 43) being tangent to said respective one of said two greater sides (21, 22) in said first joining point (PH1), and wherein an overall dimension of said ogival portion (HO) measured along said axis of symmetry (S-S) is greater than the length of said base (41); wherein the two greater sides (21, 22), a second side of said two smaller sides (32), and said two curved sides (42, 43), define the outer surfaces (50) of the walls of said tube profile (1).
F28F 1/02 - Éléments tubulaires de section transversale non circulaire
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 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes
F28F 1/04 - Éléments tubulaires de section transversale non circulaire polygonale, p. ex. rectangulaire
Heating installations; Burners for heating installations; Heating boilers; Heating elements; Heat exchangers, other than parts of machines; Heat regulating devices being parts of heating installations; Thermostatic valves; Solar thermal collectors
Heating installations, namely, heating boilers, heating elements and their parts, namely, gas-water heat exchangers, stainless steel plate heat exhangers and three-way valves for heating installations
A heat exchange cell includes a casing, a heat exchanger in which a first heat transfer fluid flows, a feeding zone, and first and second collection chambers for a second heat transfer fluid. The casing can include rear, front, and peripheral side walls. The heat exchanger can be helically-shaped, mounted in the casing, and include at least one tubular duct for the flow of the first heat transfer fluid. The tubular duct can be coiled about a longitudinal axis and define a helix. The feeding zone of the second heat transfer fluid can be defined in the casing coaxially and internally with respect to the helix. The first chamber can be defined externally with respect to the heat exchanger by a radially outer wall thereof and the peripheral side wall. The second chamber can be at least partially delimited by at least one separating element.
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 9/14 - Raccordement de sections différentes, p. ex. dans les chauffe-eau
F24H 8/00 - Appareils de chauffage de fluides caractérisés par des moyens pour extraire par condensation la chaleur latente des 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 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 3/02 - Éléments ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des évidements, avec des ondulations
F28F 9/22 - Dispositions pour diriger les sources de potentiel calorifique dans des compartiments successifs, p. ex. aménagement des plaques de guidage
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 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes
F28F 9/20 - Aménagements des réflecteurs de chaleur, p. ex. des parois réfléchissantes pouvant être insérées séparément
F28F 9/00 - CartersBoîtes de distributionSupports auxiliaires pour les élémentsÉléments auxiliaires dans les carters
A heat exchange cell includes a helically-shaped heat exchanger, in which a first heat transfer fluid circulates; a first heat exchange chamber in which a first collection chamber is defined; a second heat exchange chamber in which a second collection chamber is defined; and a fluid outlet passage from the second heat exchange chamber.
The first and second heat exchange chambers are separated by a first separating element comprising a substantially plate-shaped body and by at least a second separating element so as to define at least one passage of fluid between the first and the second collection chamber of the second heat transfer fluid.
A pair of axial separator baffles extend axially between the second separating element and the rear wall of the containment casing, and are configured to separate a first portion of the second collection chamber from a second portion of the second collection chamber.
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 9/00 - CartersBoîtes de distributionSupports auxiliaires pour les élémentsÉléments auxiliaires dans les carters
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
A heat exchange cell (10) is described comprising a helically- shaped heat exchanger (13), mounted in a containment casing (11), in which a first heat transfer fluid circulates; a first heat exchange chamber (22), defined in the casing (11), in which a first heat exchange portion of the heat exchanger (13) is housed and in which a first collection chamber (15) of the second heat transfer fluid is defined externally to the heat exchanger (13); a second heat exchange chamber (26) defined in the casing (11), in which a second heat exchange portion of the heat exchanger (13) is housed and in which - externally to the heat exchanger (13) - a second collection chamber (16) of the second heat transfer fluid is defined; and a fluid outlet passage (35) from the second heat exchange chamber (26) defined in a peripheral side wall (11c) of the containment casing (11) in proximity to a rear wall (l id) thereof. The first and second heat exchange chambers (22; 26) are separated internally to the heat exchanger (13) by a first separating element (14) comprising a substantially plate-shaped body and externally to the heat exchanger (13) by at least a second separating element (32) extending radially between a radially outer wall (13a) of the heat exchanger (13) and the peripheral side wall (11c) of the containment casing (11) so as to define at least one passage (17) of fluid between the first (15) and the second (16) collection chamber of the second heat transfer fluid. The heat exchange cell (10) further comprises a pair of axial separator baffles (24a; 24b), axially extending between the second separating element (32) and the rear wall (l id) of the containment casing (11), and configured to separate a first portion (16a) of the second collection chamber (16) of the second heat transfer fluid defined upstream of the axial separator baffles (24a; 24b) from a second portion (16b) of the second collection chamber (16) of the second heat transfer fluid defined downstream of the baffles (24a; 24b).
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 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
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 9/22 - Dispositions pour diriger les sources de potentiel calorifique dans des compartiments successifs, p. ex. aménagement des plaques de guidage
Heating installations; Burners for heating installations; Heating boilers; Heating elements; Heat exchangers, other than parts of machines; Heat regulating devices [valves] being parts of heating installations; Thermostatic valves [parts of heating installations]; Solar thermal collectors [heating].
A heat exchange cell is described comprising a containment casing comprising a rear wall, a front wall and a peripheral side wall, a helically-shaped heat exchanger comprising at least one tubular duct for the flow of a first heat transfer fluid coiled about a longitudinal axis of the helix according to a plurality of coils and mounted in the containment casing; a feeding zone of a second heat transfer fluid, intended for the heat exchange with the first heat transfer fluid, defined in the casing coaxially and internally with respect to the heat exchanger; a first chamber for collecting the second heat transfer fluid externally defined with respect to the heat exchanger between a radially outer wall thereof and the peripheral side wall of the containment casing; and a second chamber for collecting the second heat transfer fluid at least partially delimited by at least one separating element.
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 9/14 - Raccordement de sections différentes, p. ex. dans les chauffe-eau
F24H 8/00 - Appareils de chauffage de fluides caractérisés par des moyens pour extraire par condensation la chaleur latente des 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 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 3/02 - Éléments ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des évidements, avec des ondulations
F28F 9/22 - Dispositions pour diriger les sources de potentiel calorifique dans des compartiments successifs, p. ex. aménagement des plaques de guidage
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 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes
F28F 9/20 - Aménagements des réflecteurs de chaleur, p. ex. des parois réfléchissantes pouvant être insérées séparément
F28F 9/00 - CartersBoîtes de distributionSupports auxiliaires pour les élémentsÉléments auxiliaires dans les carters
11.
Method of manufacturing a set of heat exchange cells and set of heat exchange cells thus obtained
d) varies within the range of thermal power values and equal to the axial extension of the cell having the minimum thermal power within the range of thermal power values; b) providing a plurality of helically-shaped heat exchangers (2) each having a thermal power falling within said range of minimum and maximum values and each comprising at least one tubular duct (3) for the flow of a first heat transfer fluid coiled about a longitudinal axis (X-X) of the helix according to a plurality of coils; c) mounting within said single containment casing (5) at least one helically-shaped heat exchanger (2) of the plurality of heat exchangers (2) of the set; wherein the plurality of heat exchangers (2) of the set has an internal diameter that is substantially constant as the thermal power of the heat exchanger (2) varies within the range of thermal power values; and wherein the tubular duct (3) of the heat exchanger (2) has a radial extension of the coils proportional to the thermal power of the heat exchanger (2) and such to maintain substantially constant the axial extension of the heat exchanger (2) as its thermal power varies and equal to the axial extension of the heat exchanger (2) having the minimum thermal power within the range of thermal power values of the set.
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
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
B23P 15/26 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe d'échangeurs de chaleur
Heating installations, namely heating boilers, heating
elements and their parts, namely, gas-water heat exchangers,
stainless steel plate heat exhangers and three-way valves
for heating installations.
Heating installations, namely heating boilers, heating
elements and their parts, namely, gas-water heat
exchangers, stainless steel plate heat exchangers and
three-way valves for heating installations.
Heating installations, Namely burners for heating, Heating elements and Parts and components thereof, Namely gas/water heat exchangers, heat exchanging plates of steel and three-way valves for heating installations.
A heat exchange cell is described comprising a containment casing (11) comprising a rear wall (11d), a front wall (22) and a peripheral side wall (11c), a helically-shaped heat exchanger (13) comprising at least one tubular duct for the flow of a first heat transfer fluid coiled about a longitudinal axis of the helix according to a plurality of coils and mounted in the containment casing (11); a feeding zone of a second heat transfer fluid, intended for the heat exchange with the first heat transfer fluid, defined in the casing (11) coaxially and internally with respect to the heat exchanger (13); a first chamber (15) for collecting the second heat transfer fluid externally defined with respect to the heat exchanger (13) between a radially outer wall thereof and the peripheral side wall (11c) of the containment casing (11); and a second chamber (16) for collecting the second heat transfer fluid at least partially delimited by at least one separating element (14). The separating element (14) is mounted at an axially external position with respect to the heat exchanger (13) in such a way as to define the second chamber (16) for collecting the second heat transfer fluid between the separating element (14), the peripheral side wall (11c) and the rear wall (11d) or the front wall (22) of the containment casing (11); in this way, the first (15) and the second (16) collection chambers are in fluid communication with each other by means of at least one passage (17a, 17a', 17b-17g; 14e) configured to allow a flow of the second heat transfer fluid substantially in parallel to the peripheral side wall (11c) of the casing (11) and in proximity thereto. The separating element (14) comprises a heat exchange portion in contact with at least one portion of an end coil of the heat exchanger (13) and configured to allow a heat exchange between the coil-shaped portion of the heat exchanger (13) and the second collection chamber (16), while the heat exchange cell (10) further comprises at least one second passage (35) allowing a fluid outlet from the second collection chamber (16) peripherally defined in the second chamber (16) between an axial end (11g) of the peripheral side wall (11c) and the rear wall (11d) or the front wall (22) of the containment casing (11).
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
F24H 8/00 - Appareils de chauffage de fluides caractérisés par des moyens pour extraire par condensation la chaleur latente des fumées
16.
METHOD OF MANUFACTURING A SET OF HEAT EXCHANGE CELLS AND SET OF HEAT EXCHANGE CELLS THUS OBTAINED
A method is described of manufacturing a set of heat exchange cells (1a-1d) having a thermal power falling within a predetermined range of minimum and maximum values, each heat exchange cell (1a-1d) comprising at least one heat exchanger (2) mounted in a respective containment casing (5), wherein the method comprises the steps of: a) providing a single containment casing (5) of a plurality of heat exchange cells (1a-1d) of the set, the casing (5) having a constant axial extension as the thermal power of the cell (1a-1d) varies within the range of thermal power values and equal to the axial extension of the cell having the minimum thermal power within the range of thermal power values; b) providing a plurality of helically-shaped heat exchangers (2) each having a thermal power falling within said range of minimum and maximum values and each comprising at least one tubular duct (3) for the flow of a first heat transfer fluid coiled about a longitudinal axis (X-X) of the helix according to a plurality of coils; c) mounting within said single containment casing (5) at least one helically- shaped heat exchanger (2) of the plurality of heat exchangers (2) of the set; wherein the plurality of heat exchangers (2) of the set has an internal diameter that is substantially constant as the thermal power of the heat exchanger (2) varies within the range of thermal power values; and wherein the tubular duct (3) of the heat exchanger (2) has a radial extension of the coils proportional to the thermal power of the heat exchanger (2) and such to maintain substantially constant the axial extension of the heat exchanger (2) as its thermal power varies and equal to the axial extension of the heat exchanger (2) having the minimum thermal power within the range of thermal power values of the set.
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
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 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
17.
CONNECTION ASSEMBLY FOR TUBULAR ELEMENTS, IN PARTICULAR FOR HEAT EXCHANGERS
The present invention relates to a connection assembly (1) for reversibly connecting in a sealing manner a first female tubular element (10) made of a first metallic material to a second male tubular element (12) made of a second metallic material different from the first material, comprising: a) at least one flange (10b) radially extending from the first (10) and/or from the second (12) tubular element; b) a coupling element (30) made of plastic of the tubular elements (10, 12) comprising a fork-shaped body (30a) configured to axially cooperate with the end portions of the tubular elements (10, 12) at the flange (10b) so as to prevent a reciprocal axial sliding of the tubular elements (10, 12); c) a bushing (20) made of plastic reversibly coupled in a sliding manner within the end portion of the first female tubular element (10) and comprising a substantially cylindrical body (21) associated to a radially inner wall of the end portion of the first female tubular element (10) and configured so as to receive in a sliding manner and with substantial shape coupling a free end portion of the second male tubular element (12); d) at least a first radial sealing element (22, 24) associated to a radially outer wall (21a) of the substantially cylindrical body (21) of the bushing (20) and configured so as to cooperate in a sealing manner with a radially inner wall (10a) of the end portion of the first female tubular element (10); and e) at least a second radial sealing element (14) arranged between an end portion of the second male tubular element (12) and a radially inner wall (21b) of the substantially cylindrical body (21) of the bushing (20). The present invention also relates to the bushing (20) included in such a connection assembly (1) and to a heat exchanger (5) provided with a tubular joining element (10) including such a bushing (20).
F16L 25/00 - Structure ou détails de raccords de tuyaux non prévus dans les groupes ou présentant in intérêt autre que celui visé par ces groupes
F16L 25/02 - Structure ou détails de raccords de tuyaux non prévus dans les groupes ou présentant in intérêt autre que celui visé par ces groupes spécialement adaptés pour isoler électriquement l'une de l'autre les extrémités raccordées des tuyaux
F16L 37/12 - Accouplements du type à action rapide dans lesquels l'assemblage entre les extrémités s'aboutant ou se chevauchant est maintenu par des organes de blocage utilisant des crochets, cliquet, ou autres organes de blocage mobiles ou que l'on peut insérer
F16L 37/14 - Raccords par insertion d'un élément entre surfaces à unir, p. ex. par un bout de fil, une goupille, une chaîne
Heating installations, namely heating boilers, heating
elements and their parts, namely, gas-water heat exchangers,
stainless steel plate heat exchangers and three-way valves
for heating installations.
Heating installations, Namely burners for heating, Heating elements and Parts and components thereof, Namely gas/water heat exchangers, heat exchanging plates of steel and three-way valves for heating installations.
Heating installations, Namely burners for heating, Heating elements and Parts and components thereof, Namely gas/water heat exchangers, heat exchanging plates of steel and three-way valves for heating installations.
