Patent ID: 6889685

Claim:
A gas burner of atmospheric type for cooking appliance, comprising a burner head with a lateral perimeter wall provided with flame orifices distributed peripherally and in communication with an interior chamber for distributing a gas/air fuel mixture, a gas injector, means for conveying primary air to downstream of the injector, and a venturi receiving the gas/air mixture and directing it towards said distribution chamber, wherein at least one region of said lateral wall is free of flame orifices, and wherein the means for conveying primary air to downstream of the injector comprise at least one through-aperture situated in the said region of the lateral wall which is free of flame orifices and a communication passage made in the burner head and isolated from the distribution chamber, to place the said aperture in communication with the injector, the said aperture and the said passage having respective cross sections able to allow primary air to flow from the outside of the burner head towards the injector with a flow rate appropriate to the operation of the burner.