Patent classifications
E
E02
E02B
7/00
E02B7/20
E02B7/40
E02B7/44
E02B7/44
Water control gate abutment air vent
The present invention discloses improved means of venting bottom hinged water control gates through the abutments over a wide range of tailwater elevations while minimizing the hazard of trapping water born debris in the abutment vents. A single pipe, or a plurality of pipes, may be provided. Check valves may be provided to exclude water borne trash.