Crest gate operating system

Details Crest gate operating system Crest gate operating system

1992-03-02

1996-07-23

Taylor, Dennis L.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405 91, 405114, E02B 720

Patent

active

055383602

ABSTRACT:
A crest gate has movable panels controlled in position by inflatable bladders. Air pressure to the bladders or from the bladders is provided to a control system that automatically regulates panel position. Air is bubbled out of a line that is normally below the water level behind the dam and crest gate panels. An actuator assembly is coupled to a valve for selectively venting the bladders. An elastomeric tire is used to create a positioning effect on the valve such that the control system maintains a precise water level. The gate configuration is improved to resist higher loads.

REFERENCES:
patent: 3338261 (1967-08-01), Bergeson et al.
patent: 3922564 (1975-11-01), Kachuk et al.
patent: 4332507 (1982-06-01), Wakamori et al.
patent: 4498809 (1985-02-01), Farmer
patent: 4772157 (1988-09-01), Obermeyer
patent: 4780024 (1988-10-01), Obermeyer et al.

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