Underwater Vessels TRIZ Cases

Multi-stage elastomer bearings dynamically adjust stiffness to decouple the rudder linear drive at low speeds while transmitting control forces at high speeds.

A subsea station transfers buoyancy-adjustment material to an unmanned underwater vehicle for real-time depth control.

Segmenting the crew room into dry and wet zones resolves the safety versus immersion trade-off.

Segmented hull design enables flexible configuration of useful elements, resolving the trade-off between crew protection and modular expandability.

V-section trim members deflect sound waves away from the submarine hull to reduce acoustic signature.

A ring wing lifting surface generates horizontal propulsion through lift while maintaining a compact cylindrical profile for launch container deployment.

A submarine navigation system updates power consumption profiles during normal operation to calculate remaining travel time.

Divided fairing sections telescope or pivot to clear docking bells, resolving interference between flush hull skins and open hatches.

Retractable drill creates exit hole through closed ice sheet while maintaining pressure hull seal integrity.

A fiber-reinforced composite trough fits through a submarine torpedo tube for external assembly.

A rotatable docking probe on an ROV couples with a subsea receptacle to enable automated payload handling.

Closed compartments with oxidation reactors convert hydrogen and methanol leaks, preventing crew exposure to toxic fumes.

Prismatic vertex structures distribute compressive loads to prevent delamination, reducing weight while maintaining structural integrity.

Dynamic density control in submarine vehicles resolves the trade-off between automatic surface return and diving energy consumption.

A transport container mounting system uses double eccentric bolts to align and secure loads on various submarine hulls.

Burn wire release mechanism detaches external payload from autonomous underwater vehicle hull, maintaining buoyancy and reducing complexity.

A joint profile bridges gaps between non-overlapping cladding sections, enabling independent removal for maintenance without dismantling adjacent units.

Wave sensing determines relative positions between the underwater vehicle and recovery device, resolving collision risks from interference.

An external sacrificial shell slows fluid inflow and absorbs collapse energy, reducing implosion pressure spikes by up to 90%.

A surface relay vehicle links to an autonomous underwater vehicle through a physical cable, enabling high-rate data transmission and navigation control.

Disk-shaped autonomous underwater vehicles stack vertically in submarine missile tubes and float upward using positive buoyancy for deployment.

A subsea basket connects to preinstalled structures to charge autonomous underwater vehicle batteries and exchange data.

Segmented ducts and an intermediary capsule maintain stable pressure, reducing operator health risks from high-pressure air transfer.

An automated holding device prevents buoyancy-induced floating during flooding, ensuring secure connection without physical exertion for safe egress.

A dry shelter mounted on a submarine deploys unmanned underwater vehicles through an operational chamber.

A submersible drone ballast system uses a flexible bag and pressure vessel to control buoyancy.

An autonomous module using machine learning processes sensor data to generate navigation plans, reducing human operator time during underwater mapping tasks.

Integrating tubes into the payload structure neutralizes buoyancy changes from removable payloads without reducing internal volume.

Replacing heavy mechanical actuators with shape memory materials reduces device weight while enhancing projectile range through dynamic drag management.

An actuator assembly rotates a stowed thruster to produce vertical thrust, eliminating heavy ballast systems and reducing vessel weight.

A submarine determines hydrodynamic coefficients by performing controlled speed and trim maneuvers using its own sensors.

A submarine waiting area enables rapid diver discharge through pressure equalization, minimizing detection risk and hypothermia.

Bimodal foils replace complex thruster arrays to resolve the contradiction between high maneuverability and low device complexity in underwater inspection.

Replacing hydraulic systems, the sealed electric screw actuator eliminates acoustic noise and electromagnetic interference while reducing maintenance.

A holding apparatus with an opening apparatus controls water flow through weapon tubes, enabling safe pressure equalization without endangering crew members.

Active controlled source electromagnetic detection replaces passive magnetic sensing to increase survey speed while maintaining buried object location accuracy.

Single coupling mechanism joins mechanical fixation and breathing air supply to reduce high-pressure exposure during submarine rescue operations.

Segmented propulsion units adjust thrust magnitude to minimize body swing during forward motion while enabling precise turning maneuvers.

A submersible station provides a protected seabed receptacle for autonomous underwater vehicle engagement.

Rotational carriage assemblies slide fins into the hull, resolving the contradiction between control authority and confined space navigation.

An asymmetric launch tube closure member tilts away from the trajectory, eliminating hydrodynamic braking and preserving projectile range.

Tethered connectors transfer energy between submerged vessels, eliminating surfacing risks while maintaining operational continuity.

A submersible package carries tools and sensors to subsea structures.

A buoyancy modification module uses a segmented pressure hull to house a dry-region pump that moves water into and out of a flooding region.

Fiber rope deflector guides around submarine rudders via roller elements, absorbing vibration and preventing damage during docking.

Segmented gas discharge and recovery mechanisms reduce hydrogen emissions while maintaining inert gas concentrations for safe submarine operation.

Tripod submersibles use forward-swept stabilizers to improve maneuverability while inflatable chambers adjust buoyancy for payload stability.

A submarine ventilation device uses a pressure reducer and compressor to manage air flow between surface supply and submerged hull.