Engine Controllers TRIZ Cases

Mismatched rack pitches prevent forced contact during intermediate positions, eliminating premature wear on variable compression piston guides.

A portable engine operating apparatus regulates throttle valve position during shutdown to prevent air-fuel mixture suction.

A vehicle behavior control device increases vertical load on front road wheels during steering maneuvers to enhance cornering force and responsivity.

A gearing assembly uses a variable speed motor and planetary gears to alter axle shaft rotation rates.

Camshaft assembly adjusts control rod position via electric motor transmission, resolving complexity trade-offs in variable compression ratio engines.

A solenoid valve assembly controls oil flow within the lubrication system to prevent fluid loss during vehicle rollover events.

Separate motors and synchronized shafts control air-intake amounts, mitigating temperature differences that destabilize air-fuel ratios.

A conveyor system transports continental shelf mass to lower elevations, lifting seawater to drive hydroelectric turbines.

A differential gear uses a self-energizing locking device to balance torque distribution between output shafts.

A duplex-winding spring arrangement reduces axial length in motor-driven throttle valve control devices.

Segmented sensor modules detect high carbon monoxide levels to trigger engine shutdowns before hazardous accumulation occurs.

A robust model predictive controller estimates disturbance uncertainty ranges to adjust constraint limits dynamically.

Separate sound and air intake ducts amplify desired frequencies while preventing airflow interference in outboard motors.

Segmented gear transmission drives throttle and bypass valves independently, resolving maintenance complexity in low-load engine conditions.

Adjusting the throttle and PCV valve boosts manifold vacuum to improve signal-to-noise ratio for breach detection, reducing hardware complexity.

A vehicle-mounted wind turbine captures airflow to generate electricity.

A control device regulates hydraulic pressure to a friction engagement device based on rotary electric machine torque during state transitions.

Identical bearing cradles reduce manufacturing costs and ensure uniform wear across the rotating shaft.

Adaptive control adjusts engine throttle and excitation voltage to stabilize generator output during sudden load changes.

Monitoring units measure clutch rotational offset to prevent tool damage and reduce wear during screwing operations.

Integrates a driven gear onto a throttle shaft to reduce component count.

Conductive polymeric flange and insulated wires create discharge paths for electrostatic charge buildup, preventing accumulation on isolated support tubes.

A vehicle control device adjusts accelerator pedal reaction force characteristics to align driver perception with actual depression amount.

Local vane treatment at the radius discontinuity reduces intake noise while maintaining bulk airflow and engine power output.

Dual generators feed a single DC bus through rectifiers to power an inverter controller for electric drive propulsion.

Differentiated link pin diameters in a variable compression ratio engine suppress bearing abrasion while reducing motion trajectory for improved mountability.

A controller calculates alternator duty value differences to adjust power generation delay times via LIN communication.

A control device detects continuous battery discharge to prohibit automatic engine stops and maintain charge levels.

A low pressure fuel injection system uses a threshold valve to control fluid flow from an inlet chamber through multiple throttle bores.

A switchover element on a connecting rod uses an external actuator to adjust compression ratios without occupying crankshaft space.

Counts voltage singularities during crankshaft rotation to distinguish power supply abnormalities from ignition coil defects.

Plastic encapsulated stamped grid acts as hinge to fix cover position, eliminating welding complexity and ensuring reliable electrical contact.

An offset axis drum valve rotates to gradually open the air passage, providing precise throttle control and optimal flow at full throttle.

A shutoff valve disc assembly captures a spring-energized PTFE seal between permanently secured front and rear discs.

A differential lock controller monitors wheel speed and transmission gear to selectively engage the locking mechanism.

A mutual capacitance touch sensing device uses a sine wave generator with a lookup table to produce driving signals for the panel.

Direct piston measurement eliminates transmission errors from wear and clearances in variable compression engines.

Dynamic control of variable guide vanes accelerates engine response while maintaining gas path temperature and overall efficiency.

Segmented bearing brackets with positioning blocks align control shafts, resolving housing distortion issues during assembly.

Electric motor drives transmission pump for hydraulic pressure, eliminating auxiliary pumps and reducing electrical energy waste during vehicle creep.

Control system uses brake force feedback to stop engine rotation while maintaining vacuum for braking stability.

A controller adjusts drive signals using feedback from a detection device to correct throttle valve positioning errors.

A valve aperture and closure member regulate exhaust flow through a relief actuator mechanism.

Rotating the crankshaft in reverse direction utilizes compression pressure to reduce torque requirements and eliminate precise positioning needs.

A control unit adjusts throttle opening via a correction amount to enhance followability.

Rotatable sleeves convert rotation to linear liner movement, enabling stepless compression changes without increasing crevice volume or emissions.

A knock sensor mounts to a crankcase boss positioned off-center relative to the cylinder head bolt axis.

Current detection triggers precise injection cutoff, resolving inconsistent fuel dosing from valve opening time variability.

Independent rear coupling torque adjustment generates yaw moments to suppress vehicle yaw without solenoid valve operations that cause brake pedal vibrations.