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Thursday, October 10, 2013

Under the Hood 9: Air Control/Burn Rate Control

The Air Control Damper is simple, intuitive, and conveniently located on the radius of the ash lip.  You can easily slide it open and closed with your foot!  As you move the air control damper, a link moves the damper plate across two openings; one for primary air and one for secondary air.  The ratio of primary air to secondary air has been determined in development. The damper plate is calibrated so that both primary and secondary dampers open and close with a single control, at a pre-determined ratio.  A third damper  automatically opens an air passageway that feeds the catalyst only (see Under the Hood 4).

TOP VIEW
The Air Control is intuitive and convenient
and travels along the radius of the ash lip.

BOTTOM VIEW
The Air Control adjusts both the Primary and Secondary Air. 
(Air openings for referenceonly; not to scale)


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