In-line power venter

Details In-line power venter In-line power venter

F - Mech Eng,Light,Heat,Weapons

23

L

126/91

F23L 17/00 (2006.01)

Patent

CA 1293659

ABSTRACT OF THE DISCLOSURE An in-line power venter insertable into a vent pipe and having a housing attachable to the vent pipe. The housing has separate negative and positive pressure chambers provided by a separator plate positioned within the housing and having an opening for flow of gas to a blower wheel in the positive pressure chamber. The separator plate has a pair of generally semicircular, oppositely-extending sections disposed above the housing for insertion into the vent pipe to positively separate negative and positive pressure zones within the vent pipe. A flow-regulating plate for draft control is mounted within the housing and is manually-adjustable externally of the housing for movement toward and away from an opening in the separator plate to control the flow rate through the opening to the central area of the blower wheel.

559800

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