TECHNOLOGY/PRODUCT OVERVIEW
Blade tip vortex is a powerful phenomenon that develops very quickly. However, ‘widening’ the blade tips increases the possibility of greater power and performance, at the same time, the vortex losses generated at the blade tips increase drastically. The solution currently used to reduce the vortices of the blade tips is reducing the angle of attack close to the blade tip. This is how it tries to avoid significant losses. At the same time, naturally, the drag force or the transmittable power decreases.
Eliminating or reducing blade tip losses (eliminating vortices around the blade tip) means significant fuel savings and increased lifespan, efficiency, and performance especially when using wide blade tips.
The elimination of blade tip loss reduces vibrations, thus reducing internal friction of the structure’s material, thereby increasing lifespan. This results in significant financial savings, e.g. in the case of a modern blade.
Due to centrifugal force, the “winglet” used on wings moving in a linear direction cannot be used in the case of a rotating system.
Elimination of blade tip vortices of aircraft propellers
The blade tip vortex is a powerful phenomenon that develops very quickly. Especially for wide-end propellers a significant amount of blade tip vortices is generated.
The consequences of blade tip vortex include noise, structural vibrations, and reduced efficiency and performance. The detached vortex can damage the blade tip, which in turn decreases the lifespan of the blades, necessitating more frequent replacements
The technical solution provides an approach to eliminate blade tip losses. The elimination of turbulence causing energy loss on the blade tips means greater drag force, torque, and efficiency. Vortex interference is used to eliminate vortices and turbulence that cause losses at the blade tips.
The structural solution has resulted in an 8-13% increase in air time, thereby improving range and fuel efficiency, depending on flight conditions. These findings are supported by a recent patent search report.
TECHNOLOGY/PRODUCT FEATURES, TECHNICAL DATA AND BENEFITS
These newly developed propellers eliminate harmful turbulence at the tip of the propeller blade. The resulting benefits provide many possibilities for keeping and moving aircrafts and drones in the air:
For airplanes:
For drones, due to the favorable features of the propellers:
The innovative solution opens up many new possibilities in structural and industrial design. Extreme shapes may be created more easily. There are more possibilities regarding the number, location and operation of engines, movement, and hovering. Drones may fly for several hours or can have a greater range.
Helicopters:
POTENTIAL APPLICATIONS
For airscrews:
TECHNOLOGY/PRODUCT READINESS LEVEL
TRL 7
The technology was tested on an airplane in flight.
Comparative measurements were performed.
BUSINESS MODEL
The main target is licensing (license fee + royalty)
Joint R&D
Laser Consult Technical, Scientific and Economic Consulting Kft. (Ltd.) was established in 1992 with the objective of accompanying its clients from the innovational idea all the way to selling the intellectual product by providing complex innovational services.
Our mission, through our services, is to promote the utilisation of intellectual products, create a business value from innovative solutions, promote the co-operation of places of research and enterprises and the development of Hungarian higher education through the professional support of innovational activities. The foundation of the successful operation of the company is our fundamental philosophy, in which we lay a significant emphasis on establishing a relationship of confidence and developing a long-term successful co-operation with our clients.
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