Hungarian term (edited): f�l�ngk�pz�/seg�dl�ngk�pz� r�s

Pilot burner.
The 10mm diameter stainless steel burner heads are produced at Unicut in two main types with a 0.9mm wide burner slot...
Main burner.
...a 1 mm deep 1.5/1.6mm wide slot is milled across one of the flats and an aeration hole of between 2.8mm and 4mm diameter drilled according to the type of gas being supplied. ...gas flowing into the burner head from which the slot fans out the ignited gas...
www.manufacturingtalk.com/news/uic/uic102.html

Nem mindegyik ilyen formájú (a kerek lyuk gyakoribb):

"One side of the burner is light but not the other side of the burner. That's because the cross over port, holes and or slot is clogged up."
forum.doityourself.com/showthread. php?goto=lastpost&t=159808