Propellers TRIZ Cases
- Turbofan Nose Cone Attachment via Center Bolt Clamping
Axial clamping decouples trim and forward balance features, eliminating aerodynamic gaps from mounting rings.
- Geothermal Turbine Sealing Laminas Corrosion Resistance
NCM sealing laminas prevent chloride corrosion in geothermal turbines, eliminating washing to preserve enthalpy and extend component life.
- Propeller Blade Holding System with Transverse Groove
An integral hub stop housed in a blade shank transverse groove prevents blade ejection, eliminating heavy aircraft reinforcement.
- Propeller Blade Angle Control for Real-Time Efficiency
A control system adjusts propeller blade angle and motor RPM based on real-time flight conditions.
- Aircraft Pitch Control via External Drive Element
External drive element powers annular actuator to control propeller pitch without increasing gearbox housing weight.
- Inflight Propeller Balancing via Vibration Data Filtering
A propeller balancing system selects vibration data segments matching flight criteria to assess imbalance levels.
- Adjustable Pitch Link Rod for Rotor Track and Balance
A multi-blade rotor uses an adjustable pitch link rod distance from the pitch axis to reduce delay in pitching angle changes.
- Engine Anticipation Algorithm for Rotary-Wing Aircraft
Uses deterministic model following algorithms to predict power requirements, avoiding neural network certification issues.
- Fan Blade Manufacturing via Segmented Cutting and Chamfering
A fan blade manufacturing method cuts blanks into angled parts joined by adhesive to enhance air movement performance.
- Out of Phase Gimballing Axes for UAS Flight Mode Transition
Out of phase gimballing axes tilt forward and aft rotor hubs to manage orientation, simplifying transition between vertical takeoff and forward flight modes.
- Rotary Machine Hub Tight Loose Fit Sections
Segmented hub design suppresses radial displacement from centrifugal force while preserving blade mounting workability.
- Tandem-Wing UAS with Aft Shrouded Propeller for Yaw Control
Aft-mounted shrouded propeller provides vectored thrust to resolve yaw stability issues without increasing wing configuration complexity.
- Bearing Support Structure with Reaction-Force Decreasing Unit
A bellows-based reaction-force decreasing unit absorbs radial vibrations from an unbalanced rotor shaft, preventing damage to gas turbine components.
- Aircraft Engine Power Generator Inside Stationary Nose Cone
Nesting the power generator within the fan case eliminates external accessory gearboxes, simplifying the motive force transmission structure.
- Ni-Based Alloy Composition for Gas Turbine Blades
Optimized aluminum and titanium levels regulate gamma prime phase precipitation to maintain ductility while ensuring creep resistance in gas turbine components.
- Wind Turbine Control Unit Load Management via Oblique Flow
A wind turbine control unit calculates total load from oblique incident flow and rotor state to adjust rotation speed.
- Segmented Propulsion Device for Fluid Thrust and Cavitation Reduction
Segmented propulsive elements reduce cavitation and resistance while maintaining high thrust efficiency in fluid flow.