Tilting Fan Assemblies for Balanced Vertical and Forward Thrust
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Solution Overview
Problem
Aircraft with vertical takeoff and landing capability require both vertical and horizontal thrust to hover, take off, land, and cruise, but existing designs struggle to control these forces effectively for balanced flight.
Innovation Solution
The aircraft incorporates a fuselage with paired wings, lift fan assemblies for vertical lift, tilting fan assemblies that switch between vertical and forward flight positions, and a control system to manage the tilting fan assemblies' positions based on flight instructions, powered by battery units for electric propulsion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If tilting fan assemblies are used to provide both vertical and horizontal thrust, then versatility in flight modes is improved, but device complexity increases
Solution Approach 1:
The tilting fan assembly is designed to perform multiple functions by tilting between different positions: in the first position it provides vertical lift for takeoff and landing, in the second position it provides horizontal thrust for forward flight. This multi-functionality allows a single assembly to replace what would traditionally require separate lift fans and propellers, achieving versatility while managing complexity through functional integration
Solution Approach 2:
The tilting fan assembly incorporates a tilting mechanism that dynamically adjusts the orientation of the fan between vertical and horizontal positions based on flight requirements. This dynamic reconfiguration allows the system to adapt to different flight modes (vertical takeoff, forward flight, transition) by changing the physical orientation of the thrust-generating component, thereby achieving versatility through controlled movement rather than through multiple static systems
2Stability of the object's composition
If control system continuously monitors fan assembly positions, then flight stability is improved, but use of energy increases
Solution Approach 1:
The control system continuously monitors the position of the tilting fan assemblies and uses this feedback information to maintain proper orientation during flight. By implementing continuous position monitoring and active control, the system ensures flight stability and proper thrust vectoring throughout transitions between flight modes, accepting increased energy consumption as necessary for stable operation
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables seamless transitions between vertical takeoff/landing and forward flight, providing efficient thrust control and versatility in flight modes while maintaining stability and power efficiency.
Implementation Method 1
The plurality of fan assemblies are configured to generate a vertical thrust and a horizontal thrust
Implementation Method 2
one or more battery units including a plurality of battery cells configured to power the plurality of tilting fan assemblies
Data Source
AI summary
Embodiments provide an aircraft with one or more tilting fan assemblies that are configured to tilt between a forward flight position and a vertical lift position. The aircraft may also include a plurality of lift fan assemblies for vertical movement. The tilting fan assemblies may be coupled to the fuselage or wings of the aircraft via one or more tilting mechanisms. A control system coupled to the aircraft may control the one or more tilting mechanisms to move the tilting fan assemblies between the forward flight position and the vertical lift position. The tilting fan assemblies may be coupled to one or more support structures that are coupled the fuselage or wings of the aircraft.