Hybrid Vehicles TRIZ Cases
- Hybrid Transmission Sealing and Bearing Integration
Nesting a sealing member on the inner race of a support bearing reduces overall vehicle length while minimizing rotor sway.
- Vehicle Control Device for Ancillary Unit Switching During Coasting
A vehicle control device determines probable rolling duration to strategically switch off ancillary units.
- SiC MOSFET Power Converter for High Back-EMF Permanent Magnet Machines
Silicon carbide MOSFETs in power converters withstand peak line-to-line back electromotive force.
- Hybrid Aftertreatment Regeneration Control via Battery State Management
A controller system calculates acceptable battery usage amounts based on current state of charge to initiate engine aftertreatment regeneration events.
- Hybrid Vehicle Controller Stabilizing Inverter Voltage During Battery-Less Travel
A hybrid vehicle controller filters accelerator pedal input to maintain power balance between the motor and generator during battery-less travel.
- Redundant Processor Safety Module for EV Charging
A safety supervisory module uses redundant processors to control contactor closure in electric vehicle charging stations.
- EV Thermal Management System Minimizing Power Consumption
Dynamic controller adjusts coolant pump and blower fan speeds to minimize actuator energy usage while meeting vehicle cooling demands.
- Electromagnetic Pawl Clutch for Hybrid Transmission Power Split
An electro-magnetically actuated pawl clutch establishes fixed overdrive ratios in hybrid powertrain gearing arrangements.
- Torque Command Generation for Hybrid Electric Vehicle HSG Protection
A torque command generation apparatus adjusts output rates using threshold limits to protect hybrid electric vehicle components.
- Extending Sensor Adaptation Time via Electric Motor Torque Transfer
Transferring positive electric motor torque to the engine counteracts friction, extending the fresh air flow window for accurate sensor adaptation.
- Internal Combustion Engine Warm-Up Mode for Generator Emission Control
Controller runs engine at low load to heat catalyst before generating power, preventing emission degradation during startup.
- Selectable One-Way Clutch Control System for Disengagement Delay
An electronic control unit applies torque via a motor to overcome frictional delays in a selectable one-way clutch, ensuring accurate disengagement detection.
- Vehicle Electric Motor Coil Winding Number Adjustment
A vehicle electric motor system dynamically adjusts coil winding numbers via a switching circuit to optimize torque and speed performance.
- Hybrid Vehicle Catalyst Temperature Control via Engine Operating Point Shift
A hybrid vehicle controller shifts the engine operating point to maintain catalyst temperature within an appropriate range.
- Hybrid Power Transmission via Direct Planetary Gear Meshing
A hybrid power transmission merges two planetary gear sets through direct external ring gear engagement to reduce system weight and size.
- HEV Engine Start Throttle Compensation for Failed Ignition
Adjusts throttle angle command output using learned compensation adders derived from prior airflow measurements to optimize engine start conditions.
- Automatically-shiftable Hybrid Transaxle with Parallel Axes
Parallel-axis hybrid transaxle integrates electric motor and planetary gear-set to expand operating range while managing device complexity.
- Electric Oil Pump Control for Hybrid Vehicle Transmission
A controller determines driving modes and compensates flow rates to eliminate mechanical pump power loss while maintaining stable hydraulic pressure.