Engine Controllers TRIZ Cases
- Knock Determination Value Correction with Bounded Limits
A knock sensor detects engine vibration magnitude for an operation unit to calculate a reference value.
- Fuel Injector Valve Force Transmission Element
A fuel injection valve uses a force transmission element to convey pressure-induced forces to a piezoelectric actuator.
- Crankcase Pressure Control via Electric Drive Speed
A crankcase ventilation system regulates internal pressure by adjusting electric drive speed based on electrical performance parameters.
- Railway Car Brake Chain Locator with Marker Sensor
A chain locator system detects brake release via a marker and sensor, preventing wheel damage from unreleased handbrakes.
- Differential Steering Control for CVT Machines
A control unit adjusts steering motor speed based on continuously variable transmission data to maintain a desired turn radius.
- Position Detecting Device Abnormal Voltage Protection
A position detecting device output circuit detects abnormal voltages and shuts off electric conduction to protect transistors.
- Engine Torque Truncation for Transfer Case Clutch Slip
A powertrain controller reduces engine torque to prevent friction clutch slip in four-wheel drive transfer cases.
- Motorcycle Throttle Body Sensor Triangular Layout
Triangular sensor placement upstream of the valve shaft reduces throttle body axial length and weight while maintaining accurate pressure detection.
- Anti-slab Height Control for Cold Planers
An anti-slab height control system adjusts the elevational position of a cold planer component using sensors and actuators.
- Torque Converter Lockup Clutch Control for Hybrid Drivetrains
Electronic control replaces slip-based actuation to prevent torque jumps during mode transitions, maintaining energy efficiency while improving driver comfort.
- Differential Drive System With Individual Clutch Control
Individual clutch control and flexibility transmission enable torque differential between loads while maintaining driving power to inner wheels.
- Valve Flap Spherical Elevation for Mass Flow Adaptation
Spherical elevations on a valve flap adjust the flow cross section to reduce turbulence and eliminate the need for multiple housing designs.
- Vehicle Movement Prevention via Occupant Detection and Autonomous Braking
Occupant detection triggers autonomous braking to prevent unintended vehicle movement when the driver exits while the transmission remains out of park.
- Throttle Gear Lever Alignment for Rotational Angle Detection
A fan-shaped throttle gear lever fits into a through-hole to align the rotational angle detector rotor with the throttle shaft axis.
- Ignition Coil Relocation for Straddled Vehicle Component Routing
Extracting the ignition coil from the congested internal space between main frames reduces plug cord curvature and prevents voltage drop during operation.
- Vehicle Body Vibration Damping Control Device
A vehicle body vibration-damping control device uses a nonlinear gain amplifying unit to correct drive torque command values.
- Throttle Valve Fastening Portion Rigidity Design
Segmented fastening portions balance radial loads to prevent support area deformation under assembly forces.
- Butterfly Bypass Valve for Throttle Loss Recovery
A butterfly bypass valve regulates intake air flow through a pivotable throttle plate and housing port.
- CVT Belt Slip Control During Engine Stop
Braking force adjusting device applies counteracting force to wheel to prevent excessive belt slip relative to pulley when engine stops.
- Compact Throttle Device with Overlapping Return Spring
A compact throttle device uses a parallel first shaft to transmit rotational force from an overlapping return spring.