Patent ID: 8906126

Claim:
A fabric filter system, for removing particulate matter from a gas, comprising: a fabric filter; a filter plenary space, receiving gas from the fabric filter; an outlet duct, fluidly connected to the filter plenary space, a wall having interior and exterior surfaces, the interior surface defines a portion of the filter plenary space and the outlet duct; a flow control device for controlling the amount of gas passing from the plenary space into the outlet duct including a guillotine-type damper; a collar adapted to fluidically connect the outlet duct to the filter plenary space, the collar having a collar body; and an actuator configured to control the guillotine-type damper via a link, the actuator positioned exterior to the exterior surface of the wall, wherein the guillotine-type damper comprises a blade supported by a support frame fixedly attached within the collar body in such a manner that the blade movably bisects a portion of the collar body for positioning within the collar between supports of the support frame, and wherein the link movably passes through the wall to connect the actuator with the blade.