Hybrid Vehicles TRIZ Cases

Nesting a sealing member on the inner race of a support bearing reduces overall vehicle length while minimizing rotor sway.

A vehicle control device determines probable rolling duration to strategically switch off ancillary units.

Silicon carbide MOSFETs in power converters withstand peak line-to-line back electromotive force.

A controller system calculates acceptable battery usage amounts based on current state of charge to initiate engine aftertreatment regeneration events.

A hybrid vehicle controller filters accelerator pedal input to maintain power balance between the motor and generator during battery-less travel.

A safety supervisory module uses redundant processors to control contactor closure in electric vehicle charging stations.

Dynamic controller adjusts coolant pump and blower fan speeds to minimize actuator energy usage while meeting vehicle cooling demands.

An electro-magnetically actuated pawl clutch establishes fixed overdrive ratios in hybrid powertrain gearing arrangements.

A torque command generation apparatus adjusts output rates using threshold limits to protect hybrid electric vehicle components.

Transferring positive electric motor torque to the engine counteracts friction, extending the fresh air flow window for accurate sensor adaptation.

Controller runs engine at low load to heat catalyst before generating power, preventing emission degradation during startup.

An electronic control unit applies torque via a motor to overcome frictional delays in a selectable one-way clutch, ensuring accurate disengagement detection.

A vehicle electric motor system dynamically adjusts coil winding numbers via a switching circuit to optimize torque and speed performance.

A hybrid vehicle controller shifts the engine operating point to maintain catalyst temperature within an appropriate range.

A hybrid power transmission merges two planetary gear sets through direct external ring gear engagement to reduce system weight and size.

Adjusts throttle angle command output using learned compensation adders derived from prior airflow measurements to optimize engine start conditions.

Parallel-axis hybrid transaxle integrates electric motor and planetary gear-set to expand operating range while managing device complexity.

A controller determines driving modes and compensates flow rates to eliminate mechanical pump power loss while maintaining stable hydraulic pressure.

A hybrid powertrain method controls combustion engine speed independently of transmission rotation using electrical machines and planetary gears.

Additional lubrication hydraulic pressure circuit manages engine clutch slip mode across all shift ranges.

A control system estimates an energy equivalence factor using threshold-based proportional calculations to stabilize battery operation.

A hybrid expansion machine connects to a generator and engine via a transmission to convert thermal energy into mechanical or electrical power.

Connecting the noise removal capacitor closer to the input-side terminal reduces susceptibility to switching operations and minimizes noise contamination.

A lithium-ion battery pack retrofit method reconfigures cell modules and voltage sensor terminals to match existing hybrid vehicle battery management systems.

An oil pump driven by differential gears transmits torque to lubricate and cool the power transmission unit without extending shaft length.

Predictive speed estimation triggers the secondary oil pump before pressure drops, preventing lag during rapid deceleration while avoiding energy waste.

Control unit detects temperature differences between semiconductor elements to identify coolant passage clogging.

A hybrid vehicle torque control method uses a motor intermediary to manage shifting transients while maintaining engine combustion efficiency.

A linear generator uses a fluid-driven piston with a permanent magnet band to induce power in an electromotive coil.

A vehicle engine start control device manages crank angle position to ensure reliable restarts and reduce starting shock.

A hybrid vehicle control device adjusts state of charge targets based on occupant charging intent to optimize energy reception.

A torque transfer device routes mechanical energy between an internal combustion engine and an electric motor to drive a vehicle axle.

A hybrid vehicle propulsion control module verifies an off-state duration before enabling electric-only operation.

A hybrid vehicle control system monitors shutoff line integrity using independent signals from multiple processors.

Real-time voltage and current monitoring detects capacitor deterioration, allowing the controller to restrict output power ranges and extend component lifespan.

A vehicle controller detects driving information via sensors to automatically identify and switch operational modes.

Segmenting the damper and using the rotor as a multi-functional inertia element covers a broader vibration frequency spectrum while limiting device complexity.

A traction battery securing assembly uses elongating brackets to permit controlled movement of the battery pack relative to the vehicle structure.

A control device calculates integrated phase current values to determine temperature detection conditions for motor systems.

A controller rotates a torque converter impeller during vehicle activation to replenish fluid levels and ensure consistent launch performance.

Segmented engine generator module replaces entire power system to eliminate lengthy maintenance downtime.

A compact fuel cell integrates with an internal combustion engine to supply electric energy for emission-free urban driving.

Axial-flux electrical machine replaces brake disc and caliper to merge propulsion with friction braking, reducing driveline complexity in hybrid vehicles.

Emergency backup generator supplies traction motors and accessories when main power fails, preventing immobilization.

A hybrid vehicle control method synchronizes shift timing with engine start to transmit kinetic energy directly to the Hybrid Start Generator.

A powertrain controller applies electrical loads during deceleration fuel shut-off to assess battery health.

A vehicle computing system derives fuel-efficient control strategies by processing travel data across segmented route portions.

A hybrid vehicle controller limits driveline output torque rate of change during wheel torque reversal events to manage lash zones.

A catalyst warm-up control method adjusts engine rotation speed based on a mode-specific temperature threshold to manage exhaust treatment.