Back to results
US 11,648,493 B2Granted
Clarifier with independent sump scraper drive
AssigneeKadant Black Clawson LLC
InventorPaul J. Powers
Life of this patent
Estimating the term…
Abstract
An improved clarifier tank having a rake arm assembly with one or more rake arms, a rake arm driveshaft operatively connected to the rake arms and a rake arm drive, and a sump scraper driveshaft, operatively connected to a plurality of sump scrapers and a sump scraper drive.
Claims10
An improved clarifier tank, comprising:
- a rake arm assembly, comprising one or more rake arms;
- a rake arm driveshaft operatively connected to said rake arms and a rake arm drive;
- and
- a sump scraper driveshaft, operatively connected to a plurality of sump scrapers and a sump scraper drive, wherein said sump scraper driveshaft and said rake arm driveshaft rotate at different speeds, and wherein said sump scrapers and said rake arms rotate at different speeds.
1 more element
An improved clarifier tank, comprising:
- a rake arm assembly, comprising one or more rake arms;
- a rake arm driveshaft operatively connected to said rake arms and a rake arm drive;
- a sump scraper driveshaft, operatively connected to a plurality of sump scrapers and a sump scraper drive;
- and
- a rake arm lift device, wherein said rake arm lift device lifts said rake arm drive shaft and said rake arms without raising said sump scraper driveshaft.
2 more elements
Dependencies are inferred from the claim text.