altitude valve

altitude valve

[′al·tə‚tüd ‚valv]
(aerospace engineering)
A valve that adjusts the composition of the air-fuel mixture admitted into an airplane carburetor as the air density varies with altitude.
References in periodicals archive ?
Methods of controlling the level of water in the tank include an automatic altitude valve giving a draw-down range of a few feet, with remote control telemetering from the tank to the pump house or control center or a combination of the two.
Engineers continued to use the model to optimize the pressure settings on the pressure reducing valves to control the water flow to the elevated storage tank, which did not have an altitude valve.
Automatic control valves include pressure reducing valves, flow control valves, backpressure sustaining valves, altitude valves, and relief valves.