Patent ID: 7017862

Claim:
A wake vortex visualizer for an aircraft having at least one main lifting wing, each said at least one main lifting wing having a wing tip that generates a wing tip vortex during operation thereof, the wake vortex visualizer comprising: a selfcontained device that is installed within the wing tip comprising: an orifice on an upper surface of the wing tip, the orifice is connected to a pressure operated valve, the pressure operated valve comprises a housing that contains a valve assembly constrained by a spring in a closed position and is opened by the reduced pressure at the orifice on the wing tip during operation of the aircraft at landing and takeoff speeds, the housing is connected by a tube to a supply tank containing a vapor forming fluid that emits a smoke-like trail from the orifice on the wing tip automatically during takeoff and landing of said aircraft such that other following aircraft may see and avoid the vortex generated by said aircraft during takeoff and landing.