Abstract: An induction cooktop that includes a first main switch and a second main switch configured to be operated by a control unit to selectively connect a first induction heater and a second induction heater, to a switching converter for selectively energizing the first induction heater and/or the second induction heater; wherein the control unit is configured (i) to sense an electric parameter regarding the first induction heater in a first resonant circuit, when the first induction heater is not fed from the switching converter and a first auxiliary switch closes the first resonant circuit in such a way that the at least resonant capacitor assembly is connected to the first induction heater by means of the first auxiliary switch and a damped oscillation occurs between them; (ii) to sense an electric parameter regarding the second induction heater in a second resonant circuit when the second induction heater is not fed from the switching converter and the second auxiliary switch closes the second resonant circuit

Abstract: An induction cooktop includes: a first induction heater and a second induction heater; a control unit; a first switching current generator and a second switching current generator, operable by the control unit in subsequent control periods to energize the first induction heater and the second induction heater, respectively.

Abstract: Gas burner of the type having a cup of the burner accommodating at least one injector for fuel gas, a head of the burner coupled to the cup and including at least one distribution chamber for a first circumferential flame spreader, a mixing chamber for mixing primary air and fuel gas to set up a fuel mixture, the mixing chamber being fluidically connected to the cup and an injector, a duct for transferring the fuel mixture from the mixing chamber into the distribution chamber, and inflow duct of the primary air from the outer environment inside the cup of the burner, as well as a separating element of the transferring duct of the fuel mixture from the inflow duct of the primary air, wherein the separating element could be tightly constrained to the head, or cup of the burner.

Abstract: Method for manufacturing a gas burner of the type comprising a cup, provided with at least one tubular tapered part of a mixer with axial Venturi effect, and shaped to couple with a burner head provided with at least one flame-spreader, wherein said cup is made in a single piece by casting or die-casting in an apposite mold.

Abstract: Gas burner for domestic use, of the type comprising at least one Venturi effect mixer in fluid connection with at least one combustion mixture distribution chamber and with at least one flame spreader associated with said distribution chamber, in addition to first means for preventing flame propagation of the fluid flow splitting type. Advantageously, the above-mentioned first preventing means is arranged downstream of the Venturi effect mixer and upstream of the combustion mixture distribution chamber, separating said Venturi effect mixer from the distribution chamber.

Abstract: A gas burner for a domestic cooktop of the type having a burner cup suitable to be fixed to the cooktop and provided with at least part of the structure for at least one primary-air gas mixer, a burner body that may be joined to the burner cup, the burner body having at least part of the structure for at least one primary air-gas mixture delivery chamber, and a burner cover that may be joined to the burner body to complete the at least one primary-air gas mixture delivery chamber, as web as at least one flame-spreader that is made in one piece with the burner cover. Advantageously, the burner cover and the at least one flame-spreader are made of a steel, or iron, or iron-alloy sheet.

Abstract: Gas burner for oven, or grill, of the type comprising at least one Venturi tube (16), for forming the fuel mixture of primary air-gas, having at least one zone with a reduced section followed by a zone with a diverging section, at least one distribution chamber (17) of the fuel mixture, placed downstream the zone with a diverging section of the Venturi tube (16), and a plurality of flame openings (19) for the outflow of the fuel mixture, obtained within such a distribution chamber (17), or in fluidic communication with the latter, as well at least one ignition hole (13) for igniting the burner. Advantageously the latter comprises at least one diversion duct (12) for part of the flow of the fuel mixture, exhibiting its own inlet section obtained in a sector downstream the zone with a reduced section of the Venturi tube (16), and its own outlet section placed at the afore said ignition hole (13).

Abstract: Gas burner (1) for a cooking hob (14) comprising: a burner cup (2) constrained to the cooking hob, onto which at least one burner body (3) is mounted, and at least one superior cover (5), which can be removably coupled to said burner body, as well as at least one annular flame diffuser (4), designed to produce at least one flame crown. The burner is also provided with means (9, 9?, 10) for reversibly fixing the superior cover to the burner cup. The reversible fixing means comprise at least one male part (9, 9?) integral to the cup and at least one female part (10) integral to the cover, or vice-versa, in which the male part can be inserted into the female part and is movable within the female part between at least one reciprocal holding position and at least one reciprocal release position.

Abstract: Electrical connection for connecting a phase conductor and ground cable of a thermocouple to the magnet assembly of a gas supply safety cock, including a thermocouple connection head that can be coupled to a complementary contact portion of the magnet assembly, in which the connection head of the thermocouple has a first terminal for the phase conductor, or for the ground cable, and a second terminal for the ground cable, or for the phase conductor, and in which the aforesaid contact portion of the magnet assembly has a complementary jack for the first terminal and a coupling collar for the second terminal. The second terminal advantageously has at least one thin elastic plate internally insertable in the collar, and the thermocouple's connection head and the contact portion of the magnet assembly are shaped to deform the thin elastic plate when inserted inside the same collar in contact with the latter.

Abstract: Gas burner (1) for oven, or grill, of the type comprising a Venturi tube (2) for mixing fuel gas and primary air, a main distribution chamber (3), longitudinally extended in the flow forwarding direction of the mixture, and located downstream to such a Venturi tube (2), as well as at least one delivery chamber (22a, 22b) placed outside the afore said main chamber (3), and provided with flame holes (4; 4a, 4b, 4c, 4d) for the gas-primary air mixture outflow, such a main chamber (3) and such an outer chamber (22a, 22b) being reciprocally fluidically connected, for at least one longitudinal length of the same main chamber (3), by at least one through opening (16a, 16b, 17a, 17b). Advantageously, the afore said through opening (16a, 16b, 17a, 17b) has, relative to the forwarding longitudinal direction of the mixture flow, a greater cross section in the upstream portion and smaller cross section in the downstream portion of the afore said longitudinal length of the main chamber (3).

Abstract: Gas burner having at least two flame spreaders, at least one diffusion chamber between the flame spreaders for the diffusion of a primary air/gas mixture for at least one of the flame spreaders, and at least one cross-lighting duct for the flame passage between the flame spreaders. The duct is disposed transversally inside the diffusion chamber to define a first and a second region in the diffusion chamber and has two side walls and one upper wall, for the fluidic direct connection between the first and the second region of the diffusion chamber. The upper wall has at least one hole for the mixture inflow into the duct and the cross-lighting duct has at least one lower opening facing the upper wall of the cross-lighting duct.

Abstract: Burner (1) for gas cookers, of the type comprising at least one flame spreader (2) and at least a corresponding lid (3) adapted to define at least partially a transit chamber (20) for a gas-primary air fuel mixture, said at least one flame spreader (2) comprising at least a plurality of radial outlets (4) to feed a plurality of main flames with said fuel mixture, and at least one outflow port (5), placed over said plurality of radial outlets (4), to feed with said fuel mixture at least one pilot flame, said at least one outflow port (5) being shaped to direct said at least one pilot flame towards said at least one plurality of radial outlets (4). The burner further comprises at least one storage chamber (6) for the fuel mixture for said at least one pilot flame, placed nearby and in fluidic connection with said at least one outflow port (5), said storage chamber (6) being fed by one or more inlets (7) disposed in fluidic communication with said transit chamber (20) for the fuel mixture.

Abstract: Gas burner, preferably for domestic use, of the type comprising at least one fuel gas injector and at least one corresponding Venturi effect mixer, wherein the above-mentioned injector faces the intake section of said Venturi effect mixer, and one or more passages for the transit of primary air from above the supporting surface, to which the burner is fixed, to the intake section of the Venturi effect mixer. The burner is also provided with means for preventing flame propagation, of the fluid flow splitting type, which comprises at least one substantially tubular body, with relative lateral walls extending at least between the injector and the intake section of the Venturi effect mixer, advantageously consisting of at least one helically wound filiform element.

Abstract: Gas burner of the type having a cup of the burner accommodating at least one injector for fuel gas, a head of the burner coupled to the cup and including at least one distribution chamber for a first circumferential flame spreader, a mixing chamber for mixing primary air and fuel gas to set up a fuel mixture, the mixing chamber being fluidically connected to the cup and an injector; a duct for transferring the fuel mixture from the mixing chamber into the distribution chamber, and inflow duct of the primary air from the outer environment inside the cup of the burner, as well as a separating element of the transferring duct of the fuel mixture from the inflow duct of the primary air, wherein the separating element could be tightly constrained to the head, or cup of the burner.

Abstract: Gas burner having at least two flame spreaders, at least one diffusion chamber between the flame spreaders for the diffusion of a primary air/gas mixture for at least one of the flame spreaders, and at least one cross-lighting duct for the flame passage between the flame spreaders. The duct is disposed transversally inside the diffusion chamber to define a first and a second region in the diffusion chamber and has two side walls and one upper wall, for the fluidic direct connection between the first and the second region of the diffusion chamber. The upper wall has at least one hole for the mixture inflow into the duct and the cross-lighting duct has at least one lower opening facing the upper wall of the cross-lighting duct.

Abstract: A gas burner for a domestic cooktop of the type having a burner cup suitable to be fixed to the cooktop and provided with at least part of the structure for at least one primary-air gas mixer, a burner body that may be joined to the burner cup, the burner body having at least part of the structure for at least one primary air-gas mixture delivery chamber, and a burner cover that may be joined to the burner body to complete the at least one primary-air gas mixture delivery chamber, as web as at least one flame-spreader that is made in one piece with the burner cover. Advantageously, the burner cover and the at least one flame-spreader are made of a steel, or iron, or iron-alloy sheet.

Abstract: Method for manufacturing a gas burner of the type comprising a cup, provided with at least one tubular tapered part of a mixer with axial Venturi effect, and shaped to couple with a burner head provided with at least one flame-spreader, wherein said cup is made in a single piece by casting or die-casting in an apposite mould.

Abstract: Electrical connection for connecting a phase conductor and ground cable of a thermocouple to the magnet assembly of a gas supply safety cock, including a thermocouple connection head that can be coupled to a complementary contact portion of the magnet assembly, in which the connection head of the thermocouple has a first terminal for the phase conductor, or for the ground cable, and a second terminal for the ground cable, or for the phase conductor, and in which the aforesaid contact portion of the magnet assembly has a complementary jack for the first terminal and a coupling collar for the second terminal. The second terminal advantageously has at least one thin elastic plate internally insertable in the collar, and the thermocouple's connection head and the contact portion of the magnet assembly are shaped to deform the thin elastic plate when inserted inside the same collar in contact with the latter.

Abstract: Gas burner, preferably for domestic use, of the type comprising at least one fuel gas injector and at least one corresponding Venturi effect mixer, wherein the above-mentioned injector faces the intake section of said Venturi effect mixer, and one or more passages for the transit of primary air from above the supporting surface, to which the burner is fixed, to the intake section of the Venturi effect mixer. The burner is also provided with means for preventing flame propagation, of the fluid flow splitting type, which comprises at least one substantially tubular body, with relative lateral walls extending at least between the injector and the intake section of the Venturi effect mixer, advantageously consisting of at least one helically wound filiform element.

Abstract: Gas burner for domestic use, of the type comprising at least one Venturi effect mixer in fluid connection with at least one combustion mixture distribution chamber and with at least one flame spreader associated with said distribution chamber, in addition to first means for preventing flame propagation of the fluid flow splitting type. Advantageously, the above-mentioned first preventing means is arranged downstream of the Venturi effect mixer and upstream of the combustion mixture distribution chamber, separating said Venturi effect mixer from the distribution chamber.