Propulsion Power Plants TRIZ Cases

A conductive plate connects to an electrode assembly inside a rechargeable battery case to divert current flow.

An external transmission unit on the transom reduces internal space usage and vibration in azimuth pod thrusters.

External shaft bearing extraction reduces boat hull installation volume while maintaining watertight sealing.

Recessed operation parts on a ship engine top cover allow maintenance without detaching the cover, preventing accidental damage to components.

A watercraft controller switches between route navigation and current drifting modes to maintain bow orientation.

Merging separate levers into one universal member reduces device complexity while maintaining precise forward, rearward, and idling state control.

A marine vessel power supply system uses individual switching units to manage propulsion device energy distribution.

A vessel controller coordinates main propulsion and trolling motor thrusts to enable intuitive joystick-based hull behavior adjustment.

A reverse gate control method adjusts motor speed and thrust request during deceleration to manage watercraft stopping forces.

An axially offset magnetic gear replaces mechanical teeth to eliminate noise and vibration while maintaining torque transmission.

An eccentric shift rod system connects vertical and horizontal segments to enhance drive mechanism durability in compact outboard motors.

Tilting the steering axis less than 45 degrees from the driveshaft reduces oversteering caused by rearward four-stroke engine centers of gravity.

Joystick control coordinates a swivel drive and bow thruster to resolve propulsion complexity while maintaining full maneuverability.

Integral fuel rails with flexible feeder tubes resolve spatial constraints in V-shaped outboard engines.

A remotely driven rudder carries a propeller or flexible fins powered by pedals via tension cables, enabling 360-degree rotation and efficient reverse thrust.

A sealed air intake conduit delivers external combustion air to a submerged marine engine unit, preventing water ingress into the housing.

A personal watercraft uses a passenger sensor to adjust engine power and nozzle direction for stable riding.

Shape memory alloy wires contract to disengage latches and seals, reducing wear and easing installation.

A stabilizer plate with an integrated rudder extends between jet outlet portions to manage water flow dynamics.

A marine communication system uses lights to broadcast vessel throttle positions and motion directions to other operators.

A waterproof housing integrates a sonar transducer and acoustic speaker into a single unit for underwater mounting.

An inert gas atmosphere prevents battery combustion while a pressure relief valve vents excess gases to stop explosions.

Segmenting bearing support functions reduces axial load on front driven gear bearings, minimizing lower case size and water resistance.

A dual feed passage system circulates lubricating oil through a spiral groove and bypass route to enhance cooling efficiency in outboard motors.

An electric outboard motor positions the controller below the hull rear surface to lower the visual profile.

An electric steering mechanism replaces hydraulic pumps in marine vessel propulsion systems to reduce energy loss and improve turning precision.

A stern thruster mounts below the waterline between an outboard motor and a transom to generate lateral thrust for vessel maneuvering.

A motorized transducer mount rotates a sonar sensor via an elongated rod and controller for precise directional alignment.

A transom plate features a centerline marking and indentation to secure outboard motor clamping members.

Axial flutes route pressurized oil through the gear case to minimize hydrodynamic drag while shifting gears in confined marine spaces.

Dual hydraulic cylinders control marine engine trim and steering via position sensing, reducing device complexity.

A trolling motor mounting assembly uses a sloped stationary bracket and elastic latch pin to maintain secure latched positions.

A marine transmission control system generates a slip profile from rotational speeds and engine torque to track component wear.

A trim tilt device rod guide member integrates a conductive bearing to electrically link the sacrificial anode and the moving rod.

A multi-engine jack plate uses hydraulic cylinders and a pressure equalizer to distribute lifting force evenly across multiple outboard motors.

A hinged mounting plate and winch lift a trolling motor above the waterline, reducing weight impact on lightweight watercraft mobility.

A ship steering control device adjusts propulsion output based on brake pedal input.

Segmented latches transfer load through the upper arm, reducing twisting and noise in trolling motor mounts.

A pedal drive mount system uses a four-bar linkage to move the propulsion unit between extended and retracted positions.

Water pressure supports the drive unit on the transom bracket, eliminating complex mechanical joints and reducing stress during high-speed operations.

A steering actuator uses a motor-driven lead screw and ball nut to position a valve device for hydraulic piston movement.

A hybrid underwater robot uses elastic rollers to dry cables during recovery.

Segmented rudder propellers at the aft end penetrate hard pack-ice while removing broken chunks to resolve propulsion power limits.

Relocating the cam-to-cam connector vertically above the lowermost valves on outboard marine engine camshafts.

Control module applies counteracting torque via reverse clutch pressure to balance drag torque, preventing unwanted propeller rotation in neutral state.

Gateway device connects segmented communication buses to coordinate propulsion devices, resolving ECU recognition limits and maintaining force balance.

An external oil tank supplies lubricant via a dedicated route to the variable speed mechanism, preventing oil retention that causes energy loss.

Rotating wires engage retainers to secure cowls, eliminating screw-thread wear and simplifying operation.

A vertically adjustable jack plate system repositions an outboard motor to maintain optimal propeller depth.

A pressure sensor detects lateral water forces to determine turning state and adjust engine power output.