| 摘要 |
Gas burner provided with a plurality of concentric flame crowns, and comprising a first central burner to supply a peripheral flame ring, a secon d annular burner surrounding said central burner at a defined distance and able of supplying at least a respective peripheral ring, a burner body apt to be mounted on the surface of a cooking hob, a first gas inlet in communication with said body, a first vertical gas injector, said central burner being provided with a first chamber for the diffusion of the air/gas mixture, a second gas inlet in communication with said body, wherein said second annular burner is provided with two separate chambers for the diffusi on of said mixture, wherein said second gas inlet is in communication with said tw o separate chambers through suitable injection and conveying means, which comprise two distinct injectors in communication with said second gas inlet, and two respective horizontal Venturi pipes each of which being able of supplying with said air/gas mixture a respective of said two diffusion chambers; these are physically separate and not in communication to each other. Said two horizontal and separate injectors are placed on the same end positi on of said second gas inlet.
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