PLATE-FORMED GRATE ELEMENT FOR A MOVABLE GRATE OF A FURNACE
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United States of America Patent
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Issued Date -
Apr 18, 2024
app pub date -
Dec 16, 2021
filing date -
Jan 8, 2021
priority date (Note) -
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Abstract
The plate-formed grate element (1, 2) has a top wall (12), a bottom wall (13), a front end (14) and a back end (15). The front end has a lower inwardly curved wall portion (16) adapted to maintain a predetermined clearance with a back tip edge of a corresponding grate element. An internal cooling fluid chamber (18) includes an internal front cooling fluid channel (19) extending along the front end (14) of the grate element. The grate element has an outwardly curved front wall (22) having a nominal wall thickness varying by less than +35 percent and extending from the top wall of the grate element to the lower inwardly curved wall portion of the front end, and a front tip edge (23) of the front end is formed by the outwardly curved front wall at its connection with the lower inwardly curved wall portion.
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