The air flow that does not enter the truncated cone 52 is guided through the gap 70 between {HEAD ~ the bracket} 58 and the outer surface of {TAIL ~ the truncated cone} 52, partly guided by the Coanda effect around the curves of the lip 62 
The air flow that does not enter the truncated cone 52 is guided through the gap 70 between { HEAD ~ the bracket } 58 and the outer surface of { TAIL ~ the truncated cone } 52 , partly guided by the Coanda effect around the curves of the lip 62
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH