Patent ID: 8220450

Claim:
A burner fire cap for a gas cooktop, comprising: a substantially annular cover body having a center point, wherein a plane is configured on the cover body; and at least two bosses protruding from the plane are distributed on the plane in a peripheral direction of the fire cap, each of the bosses having a first side surface extending along an outer periphery of the boss; a second side surface having a first end and a second end, the first end being located on a first concentric circle centered on the center point of the cover body, the second end being located on a second concentric circle centered on the center point of the cover body, the first and second concentric circles having different radii, and the second surface extending along a path that is not parallel to a radial line passing through the center point of the cover body; a third side surface having a first end and a second end, the first end being located substantially on the first concentric circle, and the second end being located substantially on the outer periphery of the boss; a first set of fire holes disposed on the first side surface; a second set of fire holes disposed on the second side surface; and a third set of fire holes disposed on the third side surface.