Gearing Control TRIZ Cases

A cooler bypass valve assembly directs hydraulic fluid around the heat exchanger during startup to reach operating temperature.

Segmented polymeric assemblies with metal retainers ensure long-term retention stability in hostile hydraulic environments.

Dynamic shift apply points based on acceleration resolve the trade-off between smooth forward gear transitions and reverse shift capability.

Capacitive touchpad enables one-finger gear selection via slide-step switches, reducing operation complexity and space occupation.

Safety function processing unit monitors execution order of safety processes to detect dangerous states in vehicle control devices.

A shift-by-wire controller acquires switching edges from a position sensor to determine motor rotational position.

A continuously variable transmission system manages power distribution to optimize electric vehicle drivetrain efficiency.

A control unit actuates a transmission synchronizing device only when the rotational speed difference falls below a predetermined threshold.

Separate oil lines manage cooling, lubrication, and clutch control to prevent overpressure while ensuring reliable lock-up clutch engagement.

A gearshift dome housing integrates bearing devices within its walls to support a selector shaft for longitudinal and pivoting movements.

A shift control device determines operation amounts using torque shares as constraints for automatic transmission gear changes.

A quick connector uses material displacement to form an interference joint between body and component.

A power transmission control device sets a permission time for pressure accumulation based on detected working fluid temperature.

A seat valve and hollow piston store hydraulic fluid in an accumulator housing to enable rapid clutch engagement.

A vehicle control system manages transfer case range changes by generating brake control signals to secure the drivetrain during gear shifts.

Dynamic parameter adjustment suppresses shock and push-out feelings caused by accelerator return operations during automatic transmission shifts.

A supply pressure slide directs hydraulic flow to gear shifting mechanisms via selective outlet routing.

Gear shifting control device monitors clutch hydraulic pressure learning subprocesses to identify failure causes through velocity ratio analysis.

A vehicle drive control apparatus limits acceleration when switching shift positions with the accelerator active.

A transmission control system adjusts clutch engagement using real-time rotational speed sensor feedback to maintain precise gear ratios.

A hydraulic control system maintains fluid pressure using a clutch pressure regulating valve and solenoid actuation.

An asymmetric plate design positions actuating balls to inhibit reverse torque while minimizing manufacturing precision requirements.

A hydraulic control device maintains forward range pressure output through a fail-safe valve mechanism.

Resiliently deformable means apply variable reaction force to roller carriages, eliminating complex control regimes in low-torque applications.

A spring biases a pawl toward a park gear to ensure secure engagement, preventing vehicle movement when hydraulic pressure fails.

A transmission adjusts mechanical advantage between drive and driven shafts to maintain constant rotational speed.

A transmission control device generates modified shift-up tables to suppress gear shifts during cornering.

A shift device cam member positions an abutting face at an oblique angle to increase movement stroke relative to rotation.

A control unit schedules multiple downshifts within a calculated opening time interval to maintain engine speed during braking.

A shift range control apparatus switches motor states to enhance responsiveness during gear shifting operations.

A vehicle control device adjusts target torque phase time based on output shaft torque differences to manage gear shift dynamics.

A camera captures a reverse guide pattern projected onto the ground to assess surface conditions during vehicle backing maneuvers.

Actuating both friction-locking clutches during synchronization dissipates reactive power as heat within the clutch mechanism.

A hydraulic arrangement switches between series and parallel connections using a proportional valve to manage fluid flow distribution.

A two-wire sensor assembly detects differential locking state using Hall effect devices and a solenoid actuator.

Angled bias surface and o-ring support the ball to reduce free-play, eliminating complex locking rings that increase device complexity.

RPM shifting apparatus adjusts engine speed profiles based on clutch coupling times to reduce planetary gear noise and vehicle vibration.

Variable displacement pump with dual electrically calibratable pressure limiters manages control chamber volume.

Dynamic peak value frequency adjustment in CVT phase compensation maintains system stability while suppressing longitudinal vibration.

A vehicle control unit monitors engine speed and gear position to block shift changes when the car is stopped.

A shift lever actuating element spaces from a coupling element to isolate the operator interface.

A speed-range control actuator selects discrete operational bands, allowing operators to adjust speed without stopping the machine.

A control system adjusts working oil pressure gradients during upshifts to manage transmission torque capacity and reduce shift shock.

A launch control method calculates clutch actuator torque using feedforward and feedback components to manage dry-type clutch engagement.

A neutral locking tool couples to a park release shaft to rotate the transmission into a service-ready state.

A selector lever arrangement moves a display element to indicate the current transmission mode adjacent to the return position.

A hydrostatic transmission adjusts the primary unit pivot angle to maximize braking power transmission through closed-loop control.

A solenoid actuator connects the engine throttle, transmission, and brake to change vehicle direction through a single control mechanism.

A CVT shift control device converts accelerator input into stepped positions using hysteresis logic for precise gear ratio management.