Liquid purification or separation – Processes – Separating
Patent
1993-04-06
1995-05-09
Dawson, Robert A.
Liquid purification or separation
Processes
Separating
210141, 210170, 210523, 210743, 37341, 37342, 37400, B01D 2104
Patent
active
054137152
ABSTRACT:
An ash scoop which remains out of the water during most of its operation. The ash scoop has a retaining and a nonretaining configuration. It moves along a track downward into the pit while poised in its nonretaining configuration. Once in the pit, it moves to its retaining position to grab debris within the pit. It then moves back out of the pit along the track until it reverts to its nonretaining configuration to dump the ashes dragged out of the pit.
REFERENCES:
patent: 683775 (1901-10-01), Kirkpatrick
patent: 702250 (1902-06-01), Sharp
patent: 2046874 (1936-07-01), Hudson
patent: 4356778 (1982-10-01), McRee, Jr.
patent: 4363735 (1982-12-01), Hook
patent: 4724088 (1988-02-01), Zetterlund
Dawson Robert A.
Friedman Eugene F.
Reifsnyder David
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