Gear Lubrication/Cooling TRIZ Cases

Relocating the pump into the sump saves space while a shroud reduces drag on the drive gear by separating it from fluid.

A dual media oil filter uses a hinge valve to adjust flow area and reduce resistance during cold starts.

Nozzle bodies in planetary gear bars direct pressurized oil to meshing surfaces, eliminating insufficient sump lubrication and reducing wear.

A vehicle driving force distribution device manages lubricating oil flow between chambers to reduce drag torque in clutch systems.

A power transmission device guides pump leakage oil through a dedicated passage to gear shaft bearings for direct lubrication.

An off-axis hydraulic pump uses an integrated chain and sprocket assembly to transfer torque from a torque converter input shaft.

A variable displacement pump modulates hydraulic pressure to sustain clutch engagement and lubrication when the engine shuts off.

A differential lubrication device uses a reservoir mounted to a cross-pin with outlet ports to deliver fluid directly into the case cavity.

Air scoops direct airflow over cooling fins while a baffle regulates flow to lower lubricant temperatures.

Oil holes in the pinion shaft feed lubricant into groove spaces, resolving sticking issues and enhancing durability.

A baffle apparatus with a scoop and plate redirects lubricant squeezed from meshing gears to reduce churning.

A selecting switching valve routes hydraulic pressure from a frictional coupling element to control lubricant supply modes in a hydraulically actuated transmission.

Annular disc translation on axle shafts circulates lubricating fluid to wheel ends, reducing temperature and wear without complex pumps.

An integrated lubricant supplying unit within a pin gear self-delivers fluid to rolling pins, eliminating external dust adherence and efflorescence issues.

Shared hydraulic circuits manage range selection and torque distribution while gravity drainback ensures lubrication during towing.

Strategic indentations on gear tooth flanks create pressure buildup to reduce sliding friction and extend service life.

Axial longitudinal groove on a bolt acts as a grease reservoir to deliver lubricant directly to the sliding joint interface.

Temperature sensor monitors lubricating oil levels by recording thermal profiles during gearbox operation.

A low pressure fluid discharge valve adjusts lubrication flow by communicating or blocking ports based on piston position.

A fluid pump supplies hydraulic oil through a filter device to maintain system pressure and component purity.

A snowmobile ice scratcher uses a coil spring and pivot mechanism to maintain surface contact.

Segmenting the standpipe from the housing maintains stable oil levels across varying orientations.

A lubricating pinion with dispensing ports on its teeth delivers lubricant directly to rack components, reducing wear and extending component lifespan.

A differential carrier integrates a dedicated lubricant reservoir and passage to supply roller bearings.

A laterally outward-facing air intake opening integrated into a one-piece cargo box side panel directs clean air to the continuously variable transmission.

A segmented air breather chamber structure separates lubricating oil from air using vertical positioning and gravity.

A worm drive system integrates a lubrication reservoir near the bearing surface to disperse fluid and maintain continuous lubrication.

Axle assembly reduces churning losses by dynamically adjusting oil levels via a solenoid valve and scoop mechanism based on operating conditions.

Segmented gutter bottoms route oil to targeted parts during reverse movement, resolving insufficient lubrication when stored oil volume is minimized.

Heat dissipating fins extend from the motor housing to cool heat generating components, preventing thermal accumulation during continuous operation.

Integrated housing channels eliminate separate piping, resolving complexity while ensuring reliable cooling.

Radially extending rib guides scooped lubricating oil directly to supply objects via a dedicated groove.

Low-viscosity poly-alpha-olefin grease improves low-temperature starting performance while extending resin gear lifespan.

A sun gear shaft with internal channels and a sealing sleeve distributes pressurized lubricant to pinion bearings.

An impregnated metal shell pressed by a helical spring supplies lubrication oil to pinion rollers during rotation, eliminating manual maintenance tasks.

A curved tubular heat exchanger fits within automotive transmission housings to manage fluid temperatures through direct gear rotation.

A speed reducer lubricating structure uses a communication port to redirect excess oil between catch tanks, preventing backflow and reducing stirring loss.

Relative motion conveys lubricant through microchannels, eliminating pump complexity and reducing wear.

A transmission filter baffle valve adjusts position based on fluid weight to prevent air ingestion into the inlet.

Segmenting the rotary shaft from radial chain tension loads prevents misalignment and extends device lifetime.

A variable displacement hydraulic pump adjusts delivery volume based on real-time fluid requirements to optimize transmission efficiency.

A transparent sealing cap with a recessed maintenance port enables visual oil level checks and fluid replenishment on tracked vehicle rollers.

A separating ring subdivides the installation space into sealed zones, preventing grease displacement and contamination of the eccentric mechanism.

Relocating a double-flow sliding vane pump to the oil pan via oblique suction paths extends blending length without increasing vertical dimensions.

Elastic contact elements on a lubricating pinion compensate for dynamic engagement changes, ensuring reliable lubricant supply during starting torques.

A lubricating composition with a trio of phosphorus compounds protects gear surfaces against abrasive and adhesive wear in low viscosity transmission fluids.

A limited slip differential uses a singular thrust bearing to transfer axial load from an actuator directly to a friction clutch pack.

A conical and cylindrical air guidance hood directs radial fan airflow to cool gearbox components.

A catch tank and guide way route pump oil to bearings, eliminating extended pipe shapes that complicate manufacturing.

A compact parallel eccentric rotary actuator uses an Oldham coupling with multiple tongue and groove surfaces to transmit torque between gears.