B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
B08B 15/02 (2006.01) F23J 11/02 (2006.01)
Patent
CA 2390302
A vacuum conduit system for removal of fumes and air borne particulate matter includes a primary duct and a plurality of flexible secondary ducts mounted in fluid cooperation to the primary duct. The primary duct includes hollow rigid conduit sections interspersed between, and in fluid communication with, hollow flexible conduit sections. An upstream end of the primary duct is sealed substantially air-tight. An opposite downstream end of the primary duct cooperates with an air extraction means for extracting air from the primary duct. Secondary ducts may be mounted at their downstream ends to the rigid conduit sections and inclined at a first angle relative to the rigid conduit sections so that secondary airflows leaving the downstream ends of the secondary ducts are inclined into an airflow stream in the primary duct so as to be directed in a downstream direction of the airflow stream in the primary duct to generally equalize vacuum levels at the downstream ends of the secondary ducts.
Edwards Antony C.
Ferlin Keith
Ventex L.l.c.
LandOfFree
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