Propulsion Power Plants TRIZ Cases

Upper and lower bearings divide ring-gear reaction loads, helping keep the water-surface propulsion device compact and light.

A switchable manual rotation member bypasses the steering reduction path when the motor fails, easing propulsor angle adjustment.

A guide part directs the fuel pump into its holding part during assembly, avoiding extra brackets and component cost.

Predefined crash-reversal maps can delay response; phased ACR control adapts gear shifts, neutral hold, and engine recovery to vessel dynamics.

Parallel-shaft steering gears lower propulsion height while improving lateral weight balance for compact water-surface hull arrangements.

An integrated suction port moves with the turning portion to improve refrigerant delivery, cooling, lubrication, and compactness.

A separate detection shaft and resolver track lower-case turning while dry-chamber placement limits gear-noise interference.

Independently controlled rear hydrofoils raise or tilt out of the water for shallow operation, trailer transport, and reduced marine fouling.

Swivel positioning lets trolling motors move between compact storage and operational alignment while resisting wave forces on large boats.

When underwater impact occurs, the lower gearcase pivots and uncouples to protect the stern drive’s upper unit.

A drive-shaft pump and transmission-driven pump deliver engine cooling water while eliminating added electric motor space.

Limited tiller positioning is addressed with indexed yaw adjustment and a tilt mechanism for flexible marine-drive control.

Signed receipts carry device or vendor identifiers for app-side verification, helping prevent unauthorized access and replay attacks.

Rear-mounted trolling motors reduce fish disturbance near the boat while supporting forward-facing sonar positioning and remote control.

This marine drive case uses a compression nut to secure the extension leg, removing external fasteners and supporting load capacity.

A modular arm, support, and pivot-rotation interface enables rapid in-craft motor installation while adapting position to water depth.

An ACR processor adjusts engine speed, clutch pressure, and gear timing for rapid reversal and controlled transmission loads.

A controller combines trim commands with obstruction sensing to adjust or block drive movement before impacts with marine structures.

A gas damper integrated with the hydraulic cylinder attenuates forces and limits low-frequency vibration reaching the hull.

This outboard motor uses clutch-controlled positive and non-positive displacement pumps to match cooling water supply to engine speed.

This case shows a meshed yaw lock and spring-biased plunger for adjusting and securing marine tiller steering positions.

This case pairs a two-sided pivoting shift lever with detents, stops, and magnetic sensing for electronic marine-drive control.

Electric crankshaft assistance reduces rope-pull effort during low-battery outboard starting.

An up-and-down movement sensor helps reduce speed in head waves while avoiding instability in following waves.

This case positions the cowl between coaxial shaft sections, lowering motor height to reduce tilt-up hull intrusion and weight.

Temperature- and depth-informed movement routines reduce ice buildup, manual removal, wear, and restricted operation in cold water.

A filter latch moderates rapid throttle reductions, preserving controlled deceleration while retaining normal motor responsiveness.

A hull channel, balanced motor-battery placement, and buoyant materials address drag, planing, and range limits in electric watercraft.

A cap enclosure routes marine exhaust to the atmosphere or a cleaning assembly, supporting continuous operation during berthing.

A pivotable bracket and integrated latch separate the propulsion unit from the transom mount while preserving secure operation.

Match avatar meshes faster using rigid and non-rigid deformation by error region.

This CRP pod combines shared bearing support with interdependent motor drives to reduce size and weight while improving redundancy.

The control unit sets faulty and functional outboard motors to different steering angles to preserve vessel directionality.

This marine propulsion case integrates belt housing and thermal circuits into dual struts to reduce drag and improve heat dissipation.

A resistance device and shifted steering map keep marine drives within safe angles when drives are closely mounted or deactivated.

This outboard motor case places the gear oil gauge and pump connection together for easier checking and replacement.

Shared-bearing CRP pods cut size and weight while preserving independent propulsion.

This case uses a movable switching member to activate the second pump portion only when swing operation requires it.

This case analyzes throttle position data to detect detent disengagement despite wear and variation, enabling responsive thrust control.

A sliding, pivoting steering bar retracts into the outboard motor body, easing transport and mounting without sacrificing steering use.

This case groups compatible watercraft ECUs under common identifiers for simultaneous updates, reducing rewriting time and processing load.

This case uses impact-triggered cable cutting to separate the submerged motor from onboard energy storage and reduce electrical hazards.

This marine propulsion case combines nested planetary gearing with a high-speed motor for efficient, compact propeller drive.

A coil spring in the lift assist device counterbalances propulsion unit weight, reducing pulling force for stowing heavier motors.

Asymmetric dual propeller hubs route exhaust through the forward hub to clear rear blades, eliminating ski effect steering torque.

A double-elastic mounting system isolates ship power units from vibration using nested spring elements.

Slip clutch assembly enables rotational motion between marine propulsion unit and rotary drive to absorb impact energy.

An inboard motor compartment integrates directional fluid flow control and an idle exhaust system to eliminate safety hazards from exposed propellers.

A marine engine control circuit delays speed reduction until a threshold is reached to facilitate smoother gear changes.

A boat control apparatus adjusts propeller pitch based on throttle valve opening changes to optimize navigation performance.