Rotary elevator for feeding aggregate from a drum dryer to a mixing drum
AssigneeDillman Equipment, Inc.
InventorBruce A. Dillman
Life of this patent
Estimating the term…
Abstract
A rotary aggregate elevator for use in an asphalt plant comprising a rotating dryer drum for drying aggregate having an inlet end and an outlet end, a rotating mixing drum having an inlet end and an outlet end, and further having an inlet for dried aggregate at its inlet end for receiving dried aggregate, an annular collar attached to the inlet end of the mixing drum for receiving aggregate discharged from the outlet end of the dryer drum, the annular collar having flights attached to its inner wall to lift dried aggregate to the inlet of the mixing drum as it rotates.
Claims4
A rotary aggregate elevator for use in an asphalt plant comprising:
- a rotating dryer drum for drying aggregate having an inlet end and an outlet end;
- a rotating mixing drum having an inlet end and an outlet end, and further having an inlet for dried aggregate at its inlet end for receiving dried aggregate;
- and
- an annular collar attached to the inlet end of the mixing drum for receiving aggregate discharged from the outlet end of the dryer drum, the annular collar having flights attached to its inner wall to lift dried aggregate to the inlet of the mixing drum as it rotates.
A rotary aggregate elevator for use in an asphalt plant comprising:
- a rotating dryer drum for drying aggregate having an inlet end and an outlet end;
- a rotating mixing drum having an inlet end and an outlet end, and further having an inlet for dried aggregate at its inlet end for receiving dried aggregate;
- an annular collar having a back wall and a front wall, wherein the back wall extends inward from the collar, and the front wall extends inward from the collar to create an annular flange that extends coaxially with the collar, the annular collar also having flights attached to its inner wall to lift dried aggregate to the inlet of the mixing drum as it rotates;
- and
- an inlet seal ring attached to the flange.
Dependencies are inferred from the claim text.