NOISE DAMPING FOR BLOWING ENGINE SUCKING OFF

The invention relates to a noise supressor specific for suction in volumic blowers with profile rotors, of ROOTS-type, designed for all engine-blower groups running at constant speed and used in the pneumatic transport of powder materials, as for instance in the panification industry, cement manufac...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROSU D.DANUT, RO, SANDU CEZAR, RO, SURDEANU I.TUDOR GRIGORE, RO
Format:	Patent
Sprache:	eng ; rum
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a noise supressor specific for suction in volumic blowers with profile rotors, of ROOTS-type, designed for all engine-blower groups running at constant speed and used in the pneumatic transport of powder materials, as for instance in the panification industry, cement manufacturing plants, metal, chemical, naval, nuclear industries, etc. The noise supressor for suction blowers, according to the invention, has, inside the main resonator, two groups of circular resonance chambers, concentrical with the admission pipe; their volume communicates with it through two groups of routes of a certain length and diameter; the two chamber groups are symmetrically located at equal distance from the axis of the blower admission flange.