Assertion: bunsen burner | /r/HasAspect | a gasinjection member
Facets:
Source sentences:
text: The invention relates to a Bunsen burner having a gasinjection member, inlet apertures for rimary air, a mixing device for the gas and the air, and a burner nozzle formed with burner apertures.
text: A Bunsen burner having a gas-injection member, inlet apertures for primary air, a mixing device for the gas and the air, and a burner nozzle formed with burner apertures, characterized in that the inlet apertures for the air each have a cap-shaped member which is formed by a boundary wall extending downwardly and outwardly at an inclination from the top edge of the aperture, and by vertical, outwardly directed boundary walls .4 which are disposed symmetrically on either side of the aperture, starting from its side edges, abut by their outer edges the edges of the inclined boundary surface, and extend downwards to past the bottom edge of the aperture, 'so that each inlet aperture is adjoined by a groove-shaped passage having a downwardly directed inflow aperture for the air.