Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Waste water treatment apparatus

Patent ·
OSTI ID:5587311
A waste water treatment apparatus of the type in which a carriage support rail extends across the top of the tank intermediate the side walls of the tank and a carriage is mounted on the rail and driven by a carriage drive including an endless chain which reciprocates the carriage along the rail, and a tank cleaning head is mounted on the carriage for movement along a path adjacent the bottom of the tank. The carriage support rail is in the form of a box-shaped beam having inwardly directed flanges at its underside and the chain is mounted inside the boxshaped beam to be protectively enclosed in the beam and the carriage has wheel mounting portions extending upwardly into the beam at opposite sides of the chain and carriage support wheels mounted on the wheel mounting portions inside the beam and in rolling engagement with the flanges on the beam to support the carriage for movement therealong. The chain has upper and lower runs extending lengthwise of the tank and carries a drive lug, and the carriage has an upper and a lower follower alternately engaged by the drive lug as it moves respectively along the upper and lower runs of the chain to reciprocate the carriage.
Assignee:
Aqua-Aerobic Systems Inc
Patent Number(s):
US 4190541
OSTI ID:
5587311
Country of Publication:
United States
Language:
English