Hybrid Vehicles TRIZ Cases

An endless-loop link lets the motor and planetary gearbox sit on offset axes, improving BEV packaging flexibility without losing modularity.

A parked hybrid precharges its traction battery above the drive SOC limit, extending quiet mode operation without engine starts, noise, or emissions.

Route-based charge mode control divides the drive path by expected speed to stabilize battery SOC and reduce engine on-off fuel losses.

Delaying engine restart until high-to-low AWD mode switching finishes reduces shock and improves driver comfort in hybrid vehicles.

A vehicle-speed-based rpm threshold switches between cranking and non-cranking starts to prevent hybrid engine stall before air intake.

Compares speed profiles and trajectories on shared urban route segments to adjust a vehicle track for lower energy use and safer conflict avoidance.

Electromagnetic machines absorb engine torsional vibrations, recover them as electrical energy, and smooth hybrid powertrain torque.

A grooved plain bearing manages fluid flow and shaft support in a hybrid module, improving sealing while reducing extra seals, wear, and assembly length.

Diode-directed energy flow lets ultracapacitors charge quickly and transfer stored power to batteries for faster, more efficient EV energy storage.

A dual-ECU vehicle control scheme cuts power use by sleeping the remote-control ECU during autonomous driving while preserving fast mode switching.

Stopping the hybrid engine before NOx trap saturation avoids rich air-fuel shifts after restart, improving fuel economy and exhaust performance.

By integrating shared planetary shafts and shifting elements, this hybrid drive cuts space and weight while preserving engine and motor torque delivery.

Downhill prediction and travel mode selection guide SOC reduction only when high regeneration is expected, improving hybrid energy recovery.

A lower-load engine pre-operation before EV-to-series switching stabilizes hybrid travel when an EGR valve is stuck open.

Multi-stage gears and disconnects match motor speed to axle demand while preserving ground clearance and standard front brakes.

User-selectable mode programs tailor engine and motor switching to driving conditions, improving comfort, noise control, and fuel use.

Equivalent-circuit estimation of battery polarization corrects allowable charge and discharge current limits during rapid mode switching.

Adding gearbox ratio to hybrid powertrain setpoint optimization improves engine-motor power split while reducing fuel use and battery drain.

Selective damping shutdown during misfire or high-speed operation prevents attenuator bottoming and abnormal torque transmission in hybrid drives.

Downstream planetary gears and a clutched second motor raise commercial-vehicle torque while maintaining continuous drive and reducing cabin noise.

Uses vehicle position and turning amount data to estimate planned routes without map data, improving passage prediction and event control.

A non-resettable pressure switch captures brief gas-pressure spikes in a sealed battery pack, enabling parked cell fault detection with low system load.

Engine operation continues until both upstream and downstream catalysts are warmed, improving exhaust purification with less fuel penalty.

Generator torque feedback manages negative engine torque during fuel-cut prohibition to preserve deceleration and prevent GPF overheating.

An inductive charging pad switches power modes and controls flux to shorten EV charging while limiting battery degradation and cable handling.

Priority-based torque mapping coordinates front and rear axle actuators to resolve control conflicts and stabilize wheel slip.

A dual-battery layout shifts high-power takeoff and landing loads away from the energy battery to prevent damage and preserve flight range.

A seat-centered traction motor and four drive modes balance engine power, quiet operation, battery charging, and terrain-ready torque.

A high-voltage battery and DC-DC converter support the low-voltage Li-ion battery to ensure reliable engine starting in very low temperatures.

Torque deviation between required and actual MHSG output enables catalyst-heating failure diagnosis using existing sensors without added hardware.

When GPF soot builds up, this control blocks engine motoring during charging, EV priority, or heating requests to preserve quiet hybrid driving.

Dual electromagnetic devices and planetary gear sets switch through clutch and brake states to deliver adaptive torque, reverse, and regenerative power.

A raised pipe connection redirects oil into the bearing oil hole, stabilizing low-temperature lubrication without a larger pump.

Recessed AC terminal blocks route motor harnesses downward and outward, cutting harness width and improving hybrid drive unit mountability.

By lowering engine speed and raising engine torque, this case maintains wheel power while limiting electric machine winding heat and battery overcharge.

When exhaust oxygen drops, fuel injection is reduced and motor drive is increased to keep air-fuel ratio stable without losing engine torque.

Stored flywheel energy launches a stopped vehicle without the engine, cutting fuel use, noise, emissions, and starter load.

Electric torque assist offsets EGR valve purging so condensate is cleared before full load without air-fuel imbalance or turbocharger damage.

Gear-based secondary-element displacement limits and a buffer mode cut crane power impact, stabilize energy release, and improve low-speed comfort.

An annular piston integrated into the transmission support structure cuts actuator axial length while maintaining effective hybrid clutch control.

Electromagnetic coupling and arched elastic groups let a filtering pulley decouple the crankshaft precisely while limiting torsional vibration.

A radially integrated third clutch decouples the engine during electric driving to cut drag, noise, and engine damage risk.

Detects progressive accelerator pedal input and delays wheel-train coupling until gear changes settle, improving torque delivery smoothness.

Road-segment attributes and actual speed correction improve EV battery charge planning, boosting regenerative power capture on varied routes.

Motor assist holds engine torque at the cylinder-deactivation fuel optimum, improving fuel economy without hesitation or drivability loss.

A purge air pump detects hydrocarbon load in the activated carbon filter, avoiding extra sensors and auxiliary canisters in hybrid EV mode.

Converter electrical variables reveal drive shaft motion to detect intermittent cylinder operation in hybrid drives without costly sensors.

Waste heat from fuel cells and batteries is routed through resistor grids and bed channels to keep haul truck loads from freezing.

An API-to-manager translation layer lets vehicle apps add new services without deep platform knowledge, cutting development time and cost.