Gearing Control TRIZ Cases

Segmenting the housing into distinct chambers reduces volume and enables independent maintenance of the planetary gear mechanism.

A transmission control device manages hydraulic pressure to maintain speed ratio during sensor failure.

Rotating member blocks shift lever movement to prevent erroneous gear selection during mode conversion.

A vehicle drive monitoring system detects inadvertent acceleration through actual-to-allowable comparison logic.

A vehicle control device selects gear stages based on upcoming road slopes to optimize shift timing.

A transmission control unit adjusts gear ratios dynamically to match driver requests and vehicle operating conditions.

A pivoting variable speed transmission with mechanical clutches enables clutch-enabled steering and unpowered vehicle movement.

Crossover lines between drive motors regulate wheel speed differentials, preventing darting instability during high-speed harvester maneuvers.

A glide system couples a transmission shifter to a telescoping steering column via sliding engagement.

A straddle vehicle controller adjusts throttle valve opening during shift-down to manage engine speed and power transmission.

A default-to-park mechanism uses a coaxial rotatable plate and biasing member to shift transmission output.

A shift controller manages continuously variable transmission gear ratios by switching between stepless and stepped modes based on accelerator pedal input.

A railway brake cylinder uses a mechanical locking pawl and gear to secure the piston in an applied position.

Spring-loaded mechanism pre-loads load cam rollers to generate consistent clamping force, preventing slip at low torque inputs.

A shifter assembly uses a rotatable cap and toggle device to select transmission modes.

Enforcing minimum time margins prevents parallel adaptation processes, reducing consumption and range loss while improving shift quality.

A continuously variable transmission uses torque increasing means during coordinated shifts to maintain through speed ratio stability.

A vehicle transmission controller determines target gear ratios using predicted driving data ahead of road obstacles.

A vehicle transmission control unit predicts post-shift engine RPM using simulation models to determine safe gear engagement points.

Distinct cam groove inclinations bias transmission members to neutral positions, resolving the trade-off between structural simplicity and component count.

A control device applies preload to a synchromesh mechanism before shift load engagement.

A control system coordinates engine speed and transmission ratios to maintain optimal power output.

A skewed position sensor arrangement detects gear shifter movement across multiple axes to determine discrete positions accurately.

A shift position detecting device uses a control unit to adjust shifting loads for accurate gear positioning.

Lubricated rubber O-rings isolate the manual shifter shaft from the lockout skirt, eliminating hard contact rattles and buzzes in the reverse gear mechanism.

Reducing engine rotation and line pressure prevents engine stalling caused by high viscosity oil drag at cryogenic temperatures.

Segmenting primary and secondary controls via an intermediary pushbutton resolves the contradiction between versatile drive programs and ergonomic simplicity.

A shift control method adjusts oil pressure supplied to a transmission solenoid during idle stop restarts.

System prevents dry clutch overheating on gentle slopes by switching torque transmission to even-numbered clutches and increasing engine torque.

A retractable key mechanism drives a forward dog to synchronize reverse gear speed before engagement.

Electronic solenoids manage hydraulic fluid flow to enable neutral idle and inching modes in automatic transmissions.

A cam drives a reciprocating member to rotate a clutch control shaft, enabling precise mode selection within an electromechanical assembly.

A transmission arrangement detects gear engagement status and re-engages the original gear to retry shifting.

Integrating a working hydraulic pump into the hydrostatic drive closed circuit reduces power loss at high speeds by supporting the traction motor.

A controller manages electric oil pump preoperation to limit repeated restart cycles.

A controller manages clutch torque during dual-clutch transmission gear changes to synchronize engine speed with target clutch speeds.

A transmission control module determines target speeds and torque outputs to optimize automatic gear shifts.

An articulated joint in the gearbox selector rocker allows safe parking override during emergencies, preventing transmission damage from misuse.

A shift control device initiates a first gear transition from neutral while simultaneously starting a second shift toward the target gear stage.

A dual clutch transmission method detects engine and driving clutch acceleration differences to identify the touch point during slip control.

Self-holding valve device manages actuating pressures to engage shifting elements, enabling vehicle operation after electric control system failure.

Integral housing features locate and retain the motor and gears, preventing unintended rotation of the lock body and output shaft.

A method determines hydraulic pump conveying capacity by opening a blockable flow cross-section to guide the entire volume flow through it.

A transmission device routes torque through a hydrostatic system and mechanical branch summed by a gear, using an adjustable pump smaller than the motor.

A shift device uses a restriction member and release section to manage detent pin movement between gear positions.

A CVT control device adjusts upshift conditions to maintain primary pulley rotational speed during second-time kick-down operations.

A parking brake assembly uses a rotating locking element to release the latching mechanism for driveline shaft movement.