Hybrid Vehicles TRIZ Cases

Non-magnetic insulating dust shield confines clutch debris in hybrid transmission, preventing magnetic interference and power losses.

A differential unit connects electric machines to inner rotation elements within a collinear diagram to maintain balanced torque distribution.

A hybrid launch clutch control system synchronizes torque provider speed with vehicle creep speed to mimic manual transmission engagement behavior.

Segmenting energy storage units across a DC link eliminates complex power sharing control while capturing regenerative braking energy.

Preconditioning the traction battery during charging maintains regenerative braking capability at low temperatures, improving energy recovery.

A control system computes a global parameter from engine and electric machine torque capabilities to generate an electronic readiness signal.

Lateral separation of high voltage wiring and fuel lines prevents collision ignition risks while maximizing layout freedom.

An integrated exhaust heater raises catalyst temperature during charging to eliminate prolonged fuel injection control required for activation.

A steerable vehicle control unit dynamically calculates individual wheel speeds based on real-time steering angle and wheelbase parameters.

An impeller shell secures an electric rotor with a circumferential ring, resolving thermal management conflicts in hybrid modules.

A hybrid driving apparatus uses one-way clutches to decouple engine and motor-driven oil pumps for independent lubrication control.

A vehicle controller regulates DC-to-DC converter output current by switching between normal and boost voltage thresholds based on power margins.

Controller activates electric parking brake during powertrain off-state to prevent unintended vehicle movement and ensure stationary stability.

Engine runs at high idle speed to prime the common bus when auxiliary power converter fails, enabling generator regulation of bus voltage.

Dynamic resistance selection optimizes turn-off speed against surge voltages, reducing switching losses in hybrid powertrains.

Segmented tear-away service panels enable rapid maintenance access while maintaining structural integrity and watertight seals.

Pre-lubrication system pressurizes engine oil circuit before torque delivery, preventing cold-start wear while maintaining fuel efficiency.

A vehicle speed limiter adjusts top speed based on geofenced locations and ambient conditions.

Asymmetric generator and motor placement reduces occupant injury risk while maintaining efficient power distribution through nested gearing.

A hybrid transmission uses a single multi-function clutch to synchronize planetary gear sets and manage torque distribution across multiple modes.

A tolerance ring with an annular portion holds rotary shafts without backlash to suppress rattling noise in vehicle power transmission systems.

A vehicle drive control device switches a transmission mechanism between continuously variable and step-variable shifting states.

A hybrid transmission control system determines preferred output torque using linear and quadratic constraints derived from energy storage power limits.

A discharge circuit uses a control circuit to interrupt current flow through a series switch and resistor.

Switchable midpoints in converter phase legs enable bidirectional power flow between transformer and battery sources.

Battery management system compares open circuit voltage derived state of charge against dynamic thresholds to prevent vehicle start-up defects.

A diagnostic method saturates the intake air system hydrocarbon trap with fuel vapor to detect adsorbent degradation during engine-off conditions.

A controller adjusts the output current threshold of a DC-DC converter to supply power to a starter motor.

A charge depletion strategy manages power distribution in plug-in hybrid vehicles by prioritizing battery usage.

A vehicle boost converter uses a bypass switch to route power directly from the battery during normal operation.

Segmented power module manages hybrid energy sources while minimizing volume through vertical stacking.

A non-thermal refined soft-nitrided steel component achieves high bending fatigue strength through precise chemical composition control.

Second electric motor counteracts reaction force during engine start, improving drivability.

A nested planetary gearing device arranges gear trains concentrically to minimize axial footprint while maintaining multiple transmission ratios.

Navigation system calculates efficiency routes by integrating drive control unit feedback to maximize electric driving proportion in hybrid vehicles.

A hybrid vehicle transmission system uses hydraulic pressure to lock a motor rotor and switch driving modes.

System uses steering wheel rotational speed to detect driver intent during gear shifts, preventing unintended engine stops or starts that reduce fuel economy.

A motor vehicle drive device manages clutch engagement and engine idle speed to transition between operating modes.

A hybrid vehicle transmission control method manages engine torque and motor speed during neutral states to prepare for gear mode changes.

Telescopic support mechanism prevents uncontrolled sagging of heavy rotor assemblies during disassembly, protecting transmission converters from damage.

A hybrid power drive system segments front and rear units to enable independent motor control for multiple four-wheel drive configurations.

Segmented gear ratios with coordinated clutch actuation eliminate torque discontinuity during shifts in energy recovery systems.

A torque converter bypass clutch adjusts closed-state capacity based on negative impeller torque commands to optimize power transfer.

Repositioning electric motor shafts horizontally reduces center-to-center distance, improving motor efficiency while minimizing frictional losses.

A shield portion between a charging plate and an electric vehicle passenger compartment attenuates electromagnetic fields during wireless power transfer.

Segmented locking elements enable rapid torque application in vehicle drive units by eliminating rotation speed synchronization delays.

A one-way clutch couples a torque converter turbine to an electric machine when speeds match.

A drive system control unit adjusts traction torque to maintain vehicle stability during operation.