Gearing Control TRIZ Cases

A vehicle transmission control apparatus segments travel distance to determine target speeds and gear shifting stages for each section.

A control system limits shift speed in a belt-type continuously variable transmission to suppress hydraulic pressure vibration.

A gearbox shifting device uses a spring-mounted receptacle to couple an actuating lever, accommodating misalignment and reducing wear.

A shared oil passage component member integrates mechanical and electric pump flows within a unified housing structure.

A shift cable socket uses a stiff low-density material separated by a thin flexible layer to maintain mechanical response.

A transmission range selector monitoring method detects target range changes and verifies achieved positions using on-board sensor signals.

Indirect angle measurement via CU intermediary eliminates dedicated sensors, reducing costs while maintaining precision.

A position sensor monitors the selector shaft to confirm emergency release activation in automatic transmissions.

Shifting the torque-to-speed curve limits CVT output torque, preventing service brake overheating and extending component life.

Segmented lock elements engage face and radial teeth to prevent differential rotation, resolving reliability issues in traditional single-pawl park locks.

Malfunction determining unit bypasses faulty seat belt switch data to ensure reliable auto parking range switching.

Parallel synchronization of the main gear input shaft and range group eliminates neutral position delays, reducing total shift time.

A transmission hydraulics controller switches hydraulic pressure through a bypass passage to disengage friction elements.

A vehicle control device executes fail-safe processes via an electric brake system when a shift range switching system malfunctions.

Segmented gear extensions reduce friction against chamfered hub edges, enabling precise alignment without unwanted rotation.

Gear change control part calculates determination counter value from vehicle speed and brake pressure to execute automatic downshifts.

A lockup clutch control device executes slip control by matching target slip speeds through half engagement of the clutch mechanism.

Variable pressure relief valves adjust opening pressures during cornering to prevent hydraulic pressure peaks and maintain wheel force transmission.

A vehicle control system shifts transmission upshifting points to lower speed ratios in autonomous mode.

A continuously variable transmission control device manages hydraulic pressure for a lock-up clutch using an oil vibration sensing mechanism.

A variator control device sets target transmission ratio change speed during power reset to accelerate convergence.

A controller manages clutch torque and motor speed to shift vehicle gears rapidly between drive and reverse ranges.

A disconnection detection circuit enclosed in insulating seal material detects switch abnormalities within an inhibitor switch.

Parallel hydraulic valves actuate the piston lock independently, resolving reliability issues from faulty actuation without increasing system complexity.

An orifice-equipped bypass line diverts excess pressure from the first hydraulic line to the second, preventing leakage and air suction during heavy loads.

A monitoring unit independently verifies displayed status against control signals to detect errors and switch off the display.

A spring-based locking mechanism with shaped receptacles prevents unintended shifting in automotive selector devices under impact forces.

A transmission control unit identifies optimal gears by calculating expected engine efficiency at current vehicle speeds.

A movable switch module extends a control box to the driver's hand position via an actuating cylinder and pressure-sensitive touch pad.

A motive force capacity parameter determines vehicle gear shifts by calculating the difference between maximum engine force and current running resistance.

A variable speed hydraulic pump actuates limited-slip clutches through a regulated flow circuit.

Control system modifies gear combinations to reduce axial loads on dual clutch transmission spigot bearings, preventing fretting wear during engine braking.

A torque transmission control method detects favorable driving situations to change gear ratios without interrupting torque flow.

A CVT control routine synchronizes engine torque with a preferred input acceleration profile during step-down shifts to manage variator speed ratio changes.

A control device for automatic transmission enables manual gearshift operations while maintaining the shift position in a forward travel position.

A shift position switching device learns motor reference positions using encoder feedback to detect rotation speed drops.

Electronic control unit monitors torque load and adjusts oil-bath clutch engagement percentage to prevent mechanical overloading of variable-speed drives.

A cam mechanism separates shift and select operations within a single lever to control main and auxiliary transmissions.

A gear shift indicator omits instructions when vehicle conditions prohibit shifts.

A controller calculates drive motor force to determine optimal shift timing for multi-stage electric vehicle transmissions.

A gear selector activation apparatus uses capacitive and optical sensors to detect driver intent for transmission control.

Shift control device determines target gear stage based on following distance to enable multistage downshifts without sequential manual operations.

An external fluid passageway exhausts cutback ports to the reservoir, increasing line pressure and enabling torque converter clutch engagement in any gear.

A vehicle control device limits drive source torque until the automatic transmission park lock mechanism completes its release sequence.

A magnetic paddle shift system uses embedded magnets and a sensor array to detect gear selection signals across unlimited steering wheel rotations.

A controller manages dual clutch transmission shifting speed by adjusting torque based on real-time temperature readings.

Oblique pivot axis arrangement simplifies cable guidance, reducing friction and assembly costs across symmetrical and asymmetric vehicle configurations.

Merging brake and clutch solenoid controls reduces hydraulic flow rate consumption, minimizing oil pressure generation capacity requirements.

A gear change instruction apparatus estimates friction calorific value between clutch plates to determine optimal shift timing.

A vehicular shifter device uses a tilting operation member to select transmission ranges.