Vessel Movement Reduction By Foils TRIZ Cases

Separating low- and high-frequency pitch motions lets a marine stabilizer cut trim angle and improve damping beyond actuator response limits.

Movable wake modifiers and wireless rider control let surfers switch sides, tune wake height, and avoid bulky ballast that reduces space and balance.

During sideways boat movement, outboard motor control is adjusted with roll reduction to limit hull rolling and improve comfort in narrow spaces.

By separating low- and high-frequency pitch motion, the controller reduces trim angle and adds pitch stiffness when fast disturbances exceed stabilizer response.

Real-time front hydrofoil angle control compensates lift mismatch from the rear foil to keep vessel heave stable and cut energy use.

A front foil compensation strategy adjusts hydrofoil attack angle from lift discrepancy data to keep vessel heave stable across changing conditions.

A multi-axis pivot bracket equalizes load between dual trim tab actuators, reducing tolerance-driven stress and actuator failure.

A multi-axis pivoting bracket equalizes load between dual trim tab actuators despite manufacturing tolerances, reducing damage risk.

Independent thrust elevation and azimuth control suppress vessel pitch and roll without separate fins or gyros, reducing energy use and added hardware.

Automatic fishing mode raises stern trim tabs to a preset position, preventing line entanglement while preserving hull posture control.

A coaxial shaft-in-trunk-pipe layout transmits fin torque while diverting transverse loads, cutting shaft mass, friction, and installation space.

Three sonar sensors define a water-surface plane so appendages can continuously correct lift, reducing hydrofoil jolts and tilt in rough seas.

Automatic tab retraction during trailer loading or in speed restriction zones prevents marine vessel posture tabs from striking rails, ground, or seabed.

Alternating tubular sections with interpenetrating joints create a buoyant offshore wind foundation that simplifies assembly and improves stability.

Real-time motion data drives AI and PID control paths to validate stabiliser commands and keep vessels stable in changing sea conditions.

Directly linked main and auxiliary hydraulic cylinders cut pump runtime, noise, and energy waste while maintaining vessel roll stabilisation.

A boom-mounted auxiliary hydrofoil shifts side to side to increase righting force, cut leeway resistance, and improve sailing stability.

An electric fin stabilizer drive locks the transmission input shaft instead of the fin shaft, cutting fixing load, leakage risk, and space use.

A forward swept cambered surface and a wave-matched aft surface cut drag, suppress porpoising, and improve rough-sea planing efficiency.

Curved hull flow attachment features pull the stern down to enable easier drifting and lateral sliding with less rider effort.

Alternating tubular sections with interpenetrating joints cut draught while keeping offshore wind turbine foundations stable and easier to install.

Buoyant trim tabs add foam or hollow flotation to raise a low stern at rest, correct listing, and keep tilted outboards clear of the waterline.

Recessed guiding slots and actuatable anchors enable rapid, secure sponson adjustment for changing watercraft handling.

Constricted chambers accelerate fluid over rotating foils, generating vessel lift while reducing foil mass and structural constraints.

Rotatable column bases orient the platform to incoming waves, while ballast control and spiral belts reduce lateral forces and vortex-induced vibrations.

Closed-loop hydraulics use paired cylinders and a stabilizing fin to reduce vessel roll while recovering energy from water flow.

A transmission-input holding brake fixes a ship stabilizer fin precisely, reducing shaft stress and eliminating hydraulic leakage.

An outboard stabilisation device isolates high-pressure hydrogen fuel from the hull, reducing fire risks while maintaining vessel stability.

Multi-axis rotation enables a single fin body to minimize drag during underway operation while maximizing stabilizing moment at zero speed.

Nested electric actuator drives curved wedge trim tab to dampen pitch, roll, and yaw motion without bulky external components.

A retractable stabilizer fin uses a dynamic hatch to restore hull continuity during operation.

Extending fin rotation angles and optimizing deceleration phases cancel negative inertial effects that counteract stabilization.

A sailing yacht hull segmented into heeling and non-heeling parts connected by a swivel joint maintains horizontal utility spaces despite wind-induced heeling.

A trim tab system calculates optimal surface area based on hull dimensions to enhance hydrodynamic lift and reduce drag.

Stabilizers, struts, and floats counteract wind and wave forces on a floating wind platform, resolving stability issues in deep ocean regions.

A monohull boat hull uses a deeply submerged bearing blade to stabilize movement on a water cushion, reducing rolling and pitching in sea waves.

Tunnels and fins absorb kinetic energy to dampen waves while maintaining structural strength.

Segmented spar floating body counters wave resonance by positioning ballast at the bottom and buoyancy in the middle to reduce draft.

A stabilizer fin with a concave trailing edge pivots to direct hydrodynamic force against roll motion.

Inverted assembly sequence reduces deep-sea construction costs while outward-inclined columns improve movement stability.

A movable sub-element within a ship stabilisation element generates an additional lifting moment to counteract roll movements when the vessel is at anchor.

Segmenting the structure into coupled modules resolves complexity trade-offs while the central damping unit reduces wave-induced movement.

A variable trim deflector system uses protruding foils to generate independent hydrodynamic forces for marine vessel maneuvering.

Adjustable chine wedges on pontoon boats resolve the trade-off between performance tuning and structural complexity by enabling dynamic trim optimization.

A centralized open keel plate couples to a floating hull to increase dynamic mass and drag, reducing vertical platform motion.

A sliding trim tab uses a fluid hinge to adjust its position along the hull bottom, resolving fixed-hinge limitations in attitude control.

A hull posture control system actuates trim tabs using engine and propeller torque signals to stabilize marine vessel orientation.

Rotatable heave plates stabilize barges against wave-induced heave while minimizing drag during transport.