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US 8,136,673 B2Granted
Grit elevator
AssigneeThe Haigh Engineering Company Limited
InventorNigel R C Shepherd
Life of this patent
Estimating the term…
Abstract
A grit elevator (30) including a plurality of solid screens (104) in the form of a rotatable endless belt, one or more grit collectors (116) on the interior of the endless belt, and a grit inlet (172) leading to the interior of the endless belt.
Claims12
A grit elevator including:
- a plurality of solid screens in the form of a rotatable endless belt;
- one or more grit collectors fixed to the interior of the endless belt;
- and
- a grit inlet leading to the interior of the endless belt,
- said endless belt including:
- a pair of spaced-apart, endless drive chains;
- a plurality of spaced-apart screen-supporting members each spanning between the drive chains;
- and
- a plurality of screens each of which is held in position by being engaged with, but not attached to, a respective pair of the screen-supporting members, only.
6 more elements
A grit elevator including:
- a plurality of solid screens in the form of a rotatable endless belt;
- one or more grit collectors fixed to the interior of the endless belt;
- a grit inlet leading to the interior of the endless belt;
- and
- a grit separator including a main conduit having an outlet conduit leading from the bottom of the main conduit downwards to the grit inlet of the grit elevator.
2 more elements
Dependencies are inferred from the claim text.