Additional primary air access for surface gas burners

摘要

A gas burner unit for a cooktop having a spreader positioned above the top surface of the cooktop. The spreader has a plurality of gas outlets. A venturi is in fluid communication with the gas outlets. An orifice holder secures a gas orifice in position in a main body of the orifice holder and has a plurality of protrusions extending upwardly and defining a plurality of upwardly directed primary air inlets. The plurality of primary air inlets are in fluid communication with the main body of the orifice holder, and the main body is in fluid communication with the venturi. A general primary air inlet allows ambient air from outside the cooktop to enter the area below the cooktop, and the main body of the orifice holder includes openings allowing fluid communication between the area below the cooktop and the main body of the orifice holder.

主权项

1. A gas burner unit for a cooktop, comprising:
a spreader positioned above a top surface of the cooktop at a first distance to define a gap therebetween exposed around at least a portion of a perimeter of the spreader, the spreader having a plurality of gas outlets; a venturi in fluid communication with the gas outlets; and an orifice holder having a plurality of protrusions positioned beneath the spreader, each defining a respective one of a plurality of upwardly directed primary air inlets therethrough, wherein each of the plurality of upwardly directed primary air inlets extend through the top surface of the cooktop so as to be in fluid communication with the gap on respective upper ends thereof and with the venturi on respective lower ends thereof.