Toothed Gearings TRIZ Cases

Separate oil channels and lubrication gaps keep sliding-bearing wear debris out of thrust bearings, extending gearbox bearing life.

A 48-volt battery pair and planetary gearbox give a hand-operated troweling machine the torque and runtime to finish concrete without exhaust.

A spacer and regulating members block abrasive foreign matter and constrain bearing movement to extend eccentric gear life.

A press-fitted distribution ring feeds oil into gear valleys through radial gaps and openings while limiting leakage and easing tolerance demands.

Cam phase and motor torque thresholds correct clutch touch timing in a two-speed transmission to prevent wear-induced shift shock.

A segmented transmission linkage locks or releases multiple stand leg sections in one action, cutting mechanism complexity and operation steps.

A sub-load shaft groove and oil passage improve lubricant flow, discharge foreign matter, and prevent seizure in planetary gear sliding bearings.

Torque is measured more accurately when transmission deformation bodies carry mainly tensile or compressive load, reducing bending and shearing.

Modular elastic connectors let one transmission platform change function without tools while adding overload protection and torque sensing.

A rack-and-gear interlock limits roller rotation to keep fiber scraps away from the blade, simplifying the cutter and reducing cleaning.

A dual-drum shift fork mechanism handles block-out events to keep automated sequential transmissions shifting smoothly and reliably.

A deflector redirects lubricant from the meshing zone to housing walls, limiting oil heating in compact spur gear transmissions.

An elastic gear protrudes axially under a fluctuating wheel, cutting deformation force to extend speed reducer life and load capacity.

Synchronized X-Y-Z-A-B-C motion enables precise double enveloping worm shaft machining, including lead angle formation and burr removal.

A shielding element and coolant injection redirect hot lubricant flow from gear openings to reduce uneven outer housing heating.

A low-helix self-locking epicyclic gear train balances tooth contact, efficiency, noise, and wear for high-ratio brushless motor drives.

Multiple planetary reducers and a planetary roller screw replace explosive well setting tools to deliver safer high-torque thrust and pulling force.

Individual wear parameters adjust gear play and torque sharing across drive units to cut gear wear, balance forces, and maintain fail-safe operation.

A sliding cursor links coaxial crown gears in a compact enclosed gearbox that cuts weight and dirt ingress while improving transmission reliability.

An integrated encoder layout and spacer-ring bearing adjustment shrink cycloid reducer size while improving closed-loop control accuracy.

A nonmetallic follower pinion lets sensors track cabin swing rotation more accurately while avoiding tooth-count limits, vibration, and temperature drift.

Dual oil supply paths switch by gear rotation direction to keep helical planetary gear teeth lubricated while reducing agitation losses.

By tuning spring position to measured belt length and stiffness, this damping assembly keeps belt tension consistent and reduces wear.

A thrust washer between two ring gears carries axial loads without bearings, saving gearbox space and reducing drivetrain complexity.

By using the wheel itself as a transmission gear, this rail running gear frees motor space while keeping a compact low-floor chassis.

A nested reference shaft and drive ring layout enables precise torque sensing in minimal axial space while avoiding lubricant splashing.

By integrating sealing space into the track ring and tuning bearing clearance with a spacer ring, this case cuts reducer size, cost, and machining time.

A clutch selectively fixes one of two internal gears so one strain wave gearing can switch reduction ratios for different torque and speed needs.

Segmented tooth-face angles cut thrust force during shifts, enabling smaller actuators, lower impact energy, and less abnormal noise.

Separate ring regions in identical gearbox covers support bearings and seals independently, improving sealing and resistance to transverse forces.

Concentric ring gears and nested intermediate shafts cut transmission space, weight, and part count while enabling multiple gear ratios.

A one-way clutch in the maximum-reduction gear train cuts clutch count, transmission size, and cost while preserving multistage travel performance.

A passive dog clutch carries drive torque while a power-shift clutch bridges downshifts to cut torque drop, shock, and energy use.

Dual oppositely handed worm screws and a central sensor board compact the steering column layout while reducing gear rattle and footwell intrusion.

An integrated start and clutch mechanism cuts heavy-load pushing effort while preserving transport stability and safer unloading.

Selective clutch and brake switching between diverged and converged gear paths enables flexible output speed control without forced braking.

Relocating fixing members from inner pin shafts to holder pillars enables a more compact speed reducer with lower friction and torque loss.

A compact agricultural vehicle DCT uses axially aligned clutches and fewer shafts to keep 18 ratios while cutting weight, size, and cost.

A sterile drape pouch and stiffened adapter isolate non-sterilizable actuators while enabling quick, precise instrument mounting and removal.

A one-side inserted planet carrier uses smaller bearing seats and pre-assembly outside the housing to simplify assembly, improve precision, and cut noise.

Contoured shaft thickness in a rotorcraft sprag clutch evens stiffness across contact surfaces to reduce wear and improve reliability.

Uneven planet spacing lets one planetary gearbox family match different load cases with identical components while avoiding oversizing and variant cost.

Fluid-coupled gearsets and a variformer enable seamless ratio changes for heavy-duty vehicles that creep and reverse frequently.

Different helical angles on split planet pinions balance bearing axial loads while easing assembly and improving heat transfer.

Axial shaft translation switches an epicyclic valve transmission between reduction and direct drive, easing manual operation and shortening intervention time.

Asymmetric carrier connecting sections create oil discharge paths in helical planetary gears, cutting rotation loss without weakening torque transmission.

A spring element in the spindle coupling absorbs end-stop torsion, reducing motor blocking current and protecting pipe press components.

Superhard gripping teeth in 3D printer extruder gears cut wear, slipping, and underfeeding when processing abrasive filament.

Dual helical gears with matched twist and different helix angles improve cartridge drive transmission and image formation reliability.