Hybrid Vehicles TRIZ Cases

Nested pinion gears resolve complexity by integrating electric and engine torque sources into a compact, modular gear structure.

A thermal resistor interposed between the housing and cooling plate reduces heat escape from battery cells.

A vehicle control system predicts battery temperature to maintain optimal charging conditions upon arrival at external power sources.

A parallel hybrid drive system uses the transmission power take off connection to transfer secondary energy from an electric motor.

A closed-loop feedback control system manages battery charge rate and regenerative braking currents to mitigate lithium plating in electrified vehicle batteries.

A control algorithm determines an engine pull-up threshold using a virtual impeller speed to calculate maximum available motor torque.

A powertrain integrates a torque converter and multiple gear sets to transfer rotational force between shafts.

Front and rear planetary gear sets with selective clutches transmit seven output speeds, resolving high-precision gear spacing optimization challenges.

A hybrid powertrain control method manages electrical machines to minimize energy losses during gear shifting operations.

A removable generator disguised as a toolbox supplies power to charge batteries or propel drive wheels in electrified vehicles.

A coldplate design integrates electrical components into structural pockets to improve heat dissipation through direct thermal contact.

A parallel hybrid system coordinates combustion and electrical machines to propel vehicles during initial movement.

A hybrid vehicle controller adjusts supercharger compressor rotation speed to manage discharge limits.

A double-rotor electric machine drives two planetary gear sets to enable selective mode switching in hybrid transmissions.

A hybrid driving force transmission device integrates a shared hydraulic source to supply pressure directly to the motor-clutch unit slave cylinder.

A hybrid power system uses a generator to charge rechargeable batteries in lawn robots.

A control system monitors electric traction motor speed to limit power take off engagement timing.

A hybrid hill-hold system manages torque delivery by switching between electric and engine modes based on motor temperature.

A hybrid vehicle control apparatus calculates electric motor travelable distance to optimize energy management and reduce fuel consumption.

Extending driven elements from the transmission housing eliminates multiple transmission sets while supporting hybrid and all-wheel drive configurations.

Compound-input electrically variable transmission uses multi-speed input device to provide different gear ratios, resolving limited gearing range restrictions.

A motor control device segments independent channels for multiple motors using dedicated PI controllers and vector control logic.

An electric machine controls shaft speeds and torques during gear ratio changes, eliminating frictional shifting elements and reducing power losses.

A control apparatus limits pinion gear rotation speed during limp-home travel mode transitions to prevent secondary failures of the planetary gear set.

Series epicycle gear sets with controllable brake devices replace bulky clutch mechanisms, enabling versatile operation modes while optimizing space utilization.

Hydrogen fuel cell powers external motor through power takeoff unit to eliminate internal combustion engine idling and reduce emissions.

Integrated electric machine and dual clutch countershaft transmission reduces vehicle weight and manufacturing cost while maintaining fuel efficiency.

A control module stores chosen outside air temperature data to maintain accurate vehicle operation during rechargeable energy storage system cooling cycles.

A lubricating oil composition with specific additives maintains low-temperature fluidity under water contamination.

A hybrid vehicle control device manages motor generator compensation during cylinder stop processes to maintain stable torque output.

A drive control apparatus prioritizes motor generator power for vehicle accessories to reduce battery cycling.

A hybrid vehicle controller manages battery charge levels through dynamic torque reserve adjustments during engine clutch slip operations.

Dynamically adjusts accelerator pedal blending rates based on movement direction, eliminating disconcerting torque steps during automatic terrain adaptation.

Disconnecting the second motor via a third clutch prevents parasitic losses during engine-only driving, optimizing efficiency across multiple modes.

A series hydraulic hybrid system uses independent controllable valves to connect a hydraulic accumulator assembly to the circuit and actuator.

A 12V starter cranks the combustion engine while a disconnect clutch isolates it from the electric machine.

An electric compressor driven by a storage battery compresses intake air to relieve the turbine and increase exhaust gas temperature.

Opposed-piston power generation devices balance inertia moments via flywheels and generators, reducing vibration while improving thermal efficiency.

Electronic control unit manages power storage device charging via strong and weak modes based on travel load conditions.

A hybrid powertrain controller resets integral torque terms to maintain continuous total control torque across actuator transitions.

A surface transport power generation system captures kinetic energy during braking and stores it in a flywheel for reuse.

A hybrid vehicle motor drives an engine piston to compress air within the exhaust pipe without combustion.

A control device shifts switching timings between parallel boost converters to restrict surge voltage superimposition.

A hybrid vehicle controller determines an equivalence factor to calculate energy consumption amounts for multiple operation modes.

An engine clutch control apparatus calculates input torque using an integrated starter-generator to release the clutch at a reference value.

Sequential logic tracks door and connection states to prevent driver confusion from open ports, ensuring reliable notifications without unnecessary complexity.

Power conversion unit adjusts charging rate based on emergency detection to increase power output capability while managing external charging duration.

A mode planner selects travel modes based on road load to manage battery state of charge in hybrid vehicles.

Auxiliary inverter converts generator power to DC voltage, eliminating high-power rectifiers and reducing noise during off-grid rail vehicle operation.

A vehicle controller monitors capacity voltage to manage main battery charging and discharging without relying on battery management system data.