Gearboxes TRIZ Cases

Pressurized oil routed through annular rings, radial channels, and jet holes cools stator end-windings evenly while limiting leakage.

A retained wedge block removes gearbox axial clearance under alternating tension and pressure, helping seat adjustment stay smooth and stable.

A motor-driven gear layout replaces hydraulic steering parts to deliver high rigidity and power for commercial vehicles without engine power loss.

Selective driveline paths and a planetary gearset let an electrified axle handle varied torque and speed with better efficiency and lower wear.

A low-rigidity bend section guides the harness away from a rotary member during connector assembly, improving routing control and workability.

Dog clutches in a dual-motor transmission cut drag torque and power loss while keeping tractive effort continuous through gear shifts.

An axial oil guide passage routes splash oil to counter gear teeth, maintaining lubrication while reducing viscous resistance losses.

Internal buttresses reinforce the trumpet arm flange transition while preserving rectangular packaging space for electric axle components.

A one-piece axle housing removes bolted joints and seals to cut leak paths while supporting motor, transmission, and lubricant flow.

A wavy-bottom coolant tank and S-shaped coolant path improve reducer oil heat removal for high-power, high-torque electric drives.

An engageable gearwheel layout lets the engine and motor-generator connect even with stationary wheels, enabling starting and power generation.

A compact dual-clutch gearbox rearranges gear groups and shared shafts to fit hybrid power sources while preserving smooth, efficient shifting.

A shared output-shaft engagement device cuts dual-clutch gearbox axial size while preserving reliable gear selection in hybrid vehicles.

An eccentric roller-tooth layout delivers high reduction ratio in a smaller, stiffer speed reducer while simplifying tooth machining and assembly.

Oil guide shells and contactless gap seals isolate hybrid-space rotors from sump oil, cutting churning, drag torque, and oil discharge.

A split-shaft dual-clutch gearbox cuts radial and axial size while preserving reliable gear engagement and hybrid propulsion flexibility.

A transfer gear and baffle move oil from the gearbox sump to the motor sump, cutting drag, foaming, and EDM thermal losses.

Selective gearwheel engagement lets a dual-clutch gearbox couple the engine and motor-generator even when the wheels are stationary.

Overlapping upper and lower catch tanks improve oil capture from different gears in forward and reverse, maintaining lubrication even at low speed.

Separate case members redirect helical gear thrust away from the stator support, preserving motor performance in a compact coaxial drive.

Integral mounting brackets built into the portal gear box housing improve suspension fitment, rigidity, and mounting strength while reducing flex.

Elongated fasteners and housing channels improve tool access and bolt stretch, helping PTO housings resist vibration loosening and leaks.

Two axial-flow motors drive dual pinions and a ring gear to shrink the wheel hub package, cut gear stress, and avoid interference with suspension parts.

Direct housing ports and internal channels replace external hoses, cutting assembly complexity and leakage points in variator-transmission connections.

Oil and water cooling work together to cool motor windings and the gearbox, cutting seal complexity while improving durability at high speed.

A flanged internal gear with a recessed engagement point limits circumferential movement while preserving molding accuracy and reducing vibration noise.

A stepped recessed utility bed stores a spare wheel without sacrificing cargo space, while supporting cooling layout and adjustable seating.

Placing the pump inlet closer to the motor stator than the gear mechanism helps sustain oil discharge in cold, high-viscosity conditions.

A one-piece housing removes sealed joints in a rotary actuator, reducing water intrusion risk and improving submerged reliability.

A multi-shaft rack drive integrates overload locking in a vehicle seat module, enabling compact longitudinal adjustment with a smaller motor.

Positioning the inverter between the battery and operator section saves space, shortens harnesses, and improves maintenance access.

A front-mounted motor acts as a balance weight, improving rear-load stability and cooling while transmitting power through the shaft and transmission.

Shared oil channels from the geartrain pump lubricate and cool motor bearings evenly, improving reliability without adding a separate pump.

A radially offset, partially overlapping heat exchanger lets a covered housing dissipate heat while limiting vehicle unit noise leakage.

Separate oil paths send cooled filtered oil to the motor and hot low-viscosity oil to the reducer, easing pump and heat exchanger load.

A removable gear module and bearing housing let engineers change axle ratio without replacing major transmission components.

Positioning and centering pins turn the actuator into a self-contained transmission module that simplifies mounting and prevents misassembly.

A radial and circumferential oil sump opening captures gear-thrown lubricant in both directions, cutting churning loss and improving reducer efficiency.

Piloting features on a carrier align multiple gear drives in an electric drive unit, improving assembly accuracy and efficiency.

A flanking offset drive pinion and gear reduction module deliver high axle torque in less space, reducing wheel end reduction needs.

Pressure equalization vents the park lock actuator to block lubricant ingress and improve EV transmission reliability.

Multiple intermediate shafts reduce motor input speed and raise output torque, helping integrated vehicle drives power larger equipment.

Interleaved friction plates and axially movable rings let an ATV front differential switch from partial slip to lock for mud and wheel-lift traction.

By nesting the transmission inside the rotor hub, this actuator cuts stacked-drive bulk and enables a thinner, high-density motor assembly.

A rear housing layout places the PTO motor ahead of the wheel-drive motors to keep electric work vehicles compact while powering wheels and PTO independently.

A shared rear housing packages the wheel-drive motors and hydraulic motor to save space while improving balance, maneuverability, and control.

A housing-fixed planet carrier and integrated lubricant feed let the transmission ship preassembled, reducing detachment risk and assembly space.

A monitoring device checks travel control actuation before gear engagement to prevent unexpected tractor movement during assisted driving.

An extended orifice and sliding membrane in the core improve vibration damping and dynamic performance.

Variable tooth depth on a plastic spindle nut reduces notch tension at ends, preventing slippage during vehicle crashes.