Gearboxes TRIZ Cases

Helical gears, integrated actuator housing, and dry-sump lubrication cut transmission noise, weight, and complexity while improving reliability.

A removable idler adaptor lets a portal gear box shift gear ratios with fewer gear swaps, cutting adjustment time for different tire sizes.

A mechanical flip-flop transmission lets one motor alternately drive two mirror adjustment axes with constant speed, less wiring, and lower noise.

An aluminum housing, helical gears, and integrated actuation cut transmission weight, noise, and interface complexity in high-output drivetrains.

An integrated cooling chamber chills the gearbox wall to cool lubricating oil efficiently without adding a separate gear cooling loop.

Circulating coolant between motor and housing cooling boxes shields the gear chamber from exhaust heat while also cooling lubricating oil.

A gas-permeable pressure equalization path protects an EV parking lock actuator from lubricant ingress and pressure-driven failure.

Electric machine speed control enables clutchless EV axle gearbox range shifts in motion while reducing synchronizer wear from shaft speed mismatch.

A nested internal filter and blocker let actuator breathers pass gas while shielding the filter from high-pressure liquid and solid ingress.

A split upper and lower gear housing replaces tie rods and seals to cut brake booster noise, size, and assembly complexity.

One-way oil flow drives a hydraulic motor to control damping force and recover vibration energy with a simpler, more reliable suspension structure.

A housing projection and gear recess replace the shaft, cutting gear device weight while keeping stable support and reliable rotation.

By overlapping the inverter and output gear in axial view, this drive layout cuts package size while keeping motor control and transmission function.

A separate input cover and labyrinth groove keep the gear train in place, prevent lubricant leakage, and shorten motor reducer length.

External fluid-pressure locking mechanisms keep planetary gear sets compact while improving maintenance access, smooth shifting, and braking torque.

By placing the inverter beside the motor and overlapping the output gear in axial view, this drive layout cuts vehicle unit package size.

Automatic high-low gear shifting lets semitrailer landing gear match load conditions, improving extension and retraction while reducing damage risk.

Oscillating contours, cam tracks, and bearings cut friction and improve sealing in a compact rotary engine with three combustion events per revolution.

Staggered seal levels in plug-in hydraulic connections improve tightness, cut mounting force, and reduce tilt during gear selector assembly.

A reverse guide redirects oil scraped by a helical gear during reverse rotation, maintaining bearing lubrication when ring gear speed drops.

Asymmetrical wind turbine torque brackets shift resonance frequencies to reduce torque arm flapping and improve vibration stability.

Specified planet carrier stiffness ranges help an aircraft epicyclic gearbox compensate misalignment, balance gear loads, and reduce distortion.

Coaxial collar regions and a spring-loaded bayonet fitting simplify geared motor assembly while keeping motor and gearbox securely aligned.

Offset hole patterns in the bearing flange let geared motors reach high transmission ratios while simplifying variant assembly and parts reuse.

Middle gears mounted beyond the bearings can be replaced through a cover opening, making reduction ratio changes easier without bearing disassembly.

Plastically deformed pin joints and load-spreading collars let a sheet metal differential housing cut weight, stress, and weld distortion.

Overlapping the direction-changing gear and speed reducer along one axis cuts EPS steering thickness while preserving assist transmission accuracy.

A movable form-fitting gearbox connection prevents planet carrier axial shift during transport while preserving rotation for assembly.

An intermediate coupling links two door-drive gear stages to maintain torque transfer, precise alignment, and moisture sealing with low noise.

A stepped guiding and engaging hole lets gearbox housings pre-align and adjust radially, preventing bearing raceway scratches during batch assembly.

A gravity-fed manifold and gear-driven lubricant spray improve speed reducer coverage where shafts obstruct passive oil flow.

Opposed spring devices with hollow conical elastomers improve wind turbine gearbox mounting by adapting torque and weight loads while damping vibration.

An integrated securing element in the circular spline blocks axial rolling element movement, cutting guide ring parts, wear, and assembly faults.

Nonlinear clamping plate springs let the worm move smoothly while stiffening under impact to suppress collision noise and vibration.

Segmented crosshead frames, connector plates, and stay rods cut mount-plate stress, weight, and maintenance in hydraulic fracturing pumps.

Aligned housing and coupling openings let technicians reach drivetrain fasteners for periodic maintenance without weakening stiffness or load transfer.

An elastic heat transfer member links the motor coil end to the reducer casing to improve actuator cooling without tight dimensional control.

Two identical housing halves integrate cooling fins and webs to simplify gearbox manufacturing, improve heat dissipation, and preserve oil flow in any orientation.

Liquid is pumped through the brush head and angled discharge holes, improving bottle cleaning coverage while reducing wasted solution.

A fixed linkage locates the middle gear automatically to minimize backlash across tolerance stackups, reducing NVH and improving consistency.

Integrated oil deflectors and guide ribs route splash oil into bearing blind zones, improving lubrication without added gearbox weight or assembly complexity.

A two-speed low spool drive cuts motor-generator speed range, improving thermal management while reducing volume, weight, and ventilation needs.

A radially floatable pinion and staggered bull gears share torque in a compact wind turbine gearbox while preserving a large transmission ratio.

Magnetic coupling and a sliding clutch housing align engine and electric drive gears for smooth power-source transitions in hybrid-electric aircraft.

An axial parking lock layout on the counter shaft cuts lateral growth and avoids raising the center of mass in integrated drive units.

Offset input and output shafts with parallel hydrostatic and variator branches to shrink CVT installation space and cut tooth engagements.

Centrifugal oil grooves in the differential case improve lubrication and circulation without a pump, simplifying transmission structure.

A defined gutter-to-gearbox volume ratio improves lubricant scavenging while reducing windage, friction, heat, and excess gutter size.

Guide ribs and a lubricant passage stabilize oil flow from a rotating gear to gears and bearings across varying speeds.

An offset-axis actuator layout drives vehicle flaps through large swivel angles while keeping the opening area clear and installation space compact.