Propulsion Power Plants TRIZ Cases

Segmenting the gear chamber into a main unit and vertical sub-chamber maintains oil pressure and prevents leakage without enlarging the engine casing.

A breakaway hydraulic lift jack plate couples slide plate holders to transom brackets via a pivot pin for vertical motor adjustment.

A segmented jack plate extends an outboard motor away from hull turbulence, reducing cavitation and improving efficiency.

Light emitters mounted on marine propulsion shafts project beams to targets on opposing members to measure angular misalignment.

Dual communication bus system separates primary maneuvering control from auxiliary device data transmission paths.

A tuned membrane amplifies desired engine frequencies while attenuating unwanted noise in outboard motor air intake systems.

Calcium carbonate precipitates suspend overbased detergents to prevent colloidal instability and deposits in marine diesel cylinder lubricants.

Wireless kill switches link captain fobs and stern sensors to stop boat motors when swimmers approach or the operator leaves the helm.

A unitary outboard motor stabilizer made from injection-molded thermoplastics provides structural strength and solvent resistance.

A ship propulsion machine uses a vertically moving connecting member to switch motor shaft connections, preventing size increase from dual motors.

Segmenting the crankcase creates an isolated space that protects the torsional damper from foreign matter while maintaining ventilation.

Elastomeric vibration isolating joint limits noise transmission from electric motor while compression limiter prevents over-clamping during assembly.

Shaped notches in a rectangular EPDM rubber body distribute weight evenly, reducing vibration damage during ground transport.

Bracket accommodates angled transoms to resolve mounting space constraints while integrating stern lighting.

A flexible drive linkage system pivots an outboard propeller unit to redirect thrust vectors for full directional control.

Segmented upper casings isolate transmission installation from existing mounting plates, preventing increased water resistance and manufacturing costs.

A separable cowl design isolates engine maintenance components above a dividing line to enable localized access without full assembly removal.

Segmenting the electric motor, thrust bearing, and fluid distribution unit reduces maintenance complexity while preserving compact volume.

Hydraulic pressure control valve protrudes on the watercraft side to capture headwinds for direct convection cooling.

Portable device transmits wireless signals to control marine vessel battery current path via integrated authentication and switching functions.

Planar conductor tracks on an insulating base body replace bulky end windings, reducing axial space and ohmic losses in high-power rotating machines.

Speed-dependent control limits lateral thrust to prevent instability during high-speed operations.

Radial flexibility in the second feed pins maintains reliable contact with sockets, stabilizing pulse voltage delivery to edge rings.

Segmented counter-rotating devices reduce energy loss while simplifying maintenance compared to hollow shaft systems.

Control module automates tilt-trim positioning via sensors to resolve manual operation inefficiencies and improve engine starting safety.

A ship propulsion machine uses nested vertical motors and a power transmission device to switch drive power between units.

Sensor fusion compensates for vessel tilt, ensuring accurate oil level readings despite dynamic marine conditions.

A steering arm structure integrates shift and throttle operating units on a common rotation axis to enhance operator accessibility.

Inclined abutment surfaces on lateral displacement restricting mounts reduce gaps between opposing members.

A watercraft controller monitors operational parameters to maintain a range-efficient operating regime.

Telescopic rigid conduits accommodate vertical trim movement while preventing abrasion damage against the transom bracket structure.

A pivot gear set aft of the clutch assembly enables compact steering for outboard motors.

A backdrivable linear actuator uses a threaded shaft and electric motor to provide precise marine steering control.

Protrusions in the pocket and cover deform the elastomeric mount upon tightening fasteners, eliminating gaps caused by manufacturing tolerances.

Top and side recesses in the upper case enable manual removal of heavy outboard motor covers without adding external handles.

Segmented motor housing with nested signal lines resolves the trade-off between secure attachment reliability and adaptable vessel configuration.

Eliminating gear mechanisms reduces component count and size while minimizing water resistance.

Dynamic reference selection and load feedback correct throttle openings, resolving synchronization stability versus response time trade-offs.

Circumferential cooling water flow along exhaust pipe inner surfaces reduces pressure loss while ensuring uniform temperature distribution.

Positioning the gear deceleration device below the swivel unit reduces the front-rear interval between the rudder lifting force center and the pivot point.

Inclined running surfaces direct water away from motor midsections to reduce drag and improve pontoon boat operating efficiency.

A power supply system for an outboard motor uses a converting device to generate distinct voltage terminals for engine accessories and external batteries.

Relocating diagnostic connectors to the tiller assembly eliminates cowling removal, reducing maintenance time while preserving engine parameter monitoring.

Backward-extending intake manifold with lateral injector placement prevents vessel interference and limits right-and-left width.

Segmented vapor separators and elevated air vent pipes prevent fuel leakage and ensure reliable pump operation in varying postures.

An infrared obstacle detection system restricts propulsion output to prevent collisions with stationary objects in quiet electric watercraft.

A hydraulic tilt trim device pivots an outboard motor portion relative to a transom using a cylinder and ram system.

Actuation assembly translates batteries to adjust watercraft center of gravity, eliminating slow water ballast systems and reducing drag.

A marine propulsion control system enables lateral and rotational steering via a joystick interface.

A processor coordinates trolling and kicker motors to reduce battery drain while maintaining precise watercraft positioning.