Acoustics – Auditorium
Patent
1976-08-09
1977-05-31
Smith, Al Lawrence
Acoustics
Auditorium
51410, B24C 700
Patent
active
040260720
ABSTRACT:
A self-cleaning muffler for an abrasive blast system comprised of a chamber element having side walls, an end wall, and an inlet portion opposite said end wall, means for attaching the inlet portion of said chamber element to the exhaust outlet means of the abrasive blast system, perforation means in the chamber element side walls to permit gaseous media to escape from said chamber element, but preventing particulate media from passing therethrough, a particulate media outlet means in the end wall of said chamber element, and means for closing said particulate media outlet means substantially during exhausting of the abrasive blast system and opening the particulate media outlet means when the abrasive blast system is not exhausting.
REFERENCES:
patent: 1899528 (1933-02-01), Rosenberger
patent: 3741738 (1973-06-01), Dowgin
patent: 3852918 (1974-12-01), Black
Smith Al Lawrence
Watson Robert C.
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