Gear Lubrication/Cooling TRIZ Cases

Tapered sprocket side face and pawl end face reduce frictional resistance through line contact, suppressing co-rotation during torque converter assembly.

A transmission hydraulic system uses dual pumps driven by input and output shafts to supply primary and secondary pressure circuits for fluid delivery.

Stacked plate heat exchanger in transmission oil pan reduces packaging space and leak risks while maintaining high heat transfer capability.

A planetary gear lubrication system uses a loose connection between the planet carrier and distribution element to enable independent rotation.

Gravity-fed reserve housing and metering jet deliver continuous lubrication to gearbox bearings, eliminating redundant active systems.

Segmented oil feeder tubes with targeted apertures deliver lubricating oil to gear sets, overcoming centrifugal back pressure at high rotational speeds.

Tapered lands on a pressure regulator valve provide progressive flow modulation, preventing torque converter overheating from pulsed delivery.

Multi-port valve directs heated or cooled lubricant flow based on sensor feedback to reduce viscous drag and extend transmission life.

Merging carrier plates with disk carriers reduces axial length and assembly complexity while maintaining structural integrity.

Segregating the minimum speed transmission portion creates a calm oil storage space that reduces air entrainment and prevents hydraulic malfunctions.

Merges drainage functionality with the cover pan structure to eliminate additional mass and manufacturing processes required for separate drain components.

An annular filter on a strain wave gear captures lubricant contaminants, preventing foreign matter intrusion into the wave generator bearing.

Integrating the control unit with the hydraulic pressure supply inside the case eliminates long signal wires and reduces overheating risks.

A vehicle drive device couples a rotor support member with a fluid coupling input to transmit power efficiently.

Nested hollow inner shafts convey oil directly to bearings, resolving lubrication reliability issues in compact impact mills.

Dual deflectors manage overflow from one reservoir to deliver differentiated lubricant flow for adjacent gear trains with different rotational speeds.

A tubular cooling device with a rotating impeller cools the epicyclic reduction gear.

Electric oil pump reduces mechanical driving loss by dynamically adjusting displacement to match actual demand.

Segmenting the axle housing with a dam creates a dedicated reservoir that reduces sump volume and frictional drag.

Segmented oil seals and a protective collar hermetically seal the excavator turntable speed reducer output shaft, preventing lubricant leakage.

Thermostatic valves release stored lubricant from a secondary chamber into the primary chamber when temperature exceeds a threshold, reducing churning losses.

A submerged heat exchanger transfers engine coolant thermal energy to transmission fluid within the sump.

A variable displacement charge pump supplies fluid to a main pump and transmission lube circuit, eliminating excess flow from fixed pumps.

Independent suction paths prevent oil depletion during leaks, ensuring continuous cooling and extending safe operation duration.

Guide ribs create multiple oil flow paths to direct lubricant toward the center of a rotating shaft.

Segmented housing walls isolate electrical and mechanical chambers, reducing assembly complexity while protecting internal parts from weather and debris.

An inlet opening positioned upstream of gear engagement directs lubricant to tooth flanks, improving wear resistance in complex structures.

A triple circuit lubrication device uses independent circuits and a common tank to ensure continuous fluid supply.

A single vacuum pump evacuates the oil collecting receptacle, creating negative pressure that returns oil via gravity and eliminates separate return pumps.

Integrated channels eliminate separate piping while cooling ribs dissipate heat to resolve complexity and dirt ingress issues.

Partition walls isolate lubricant within a front compartment, minimizing volume and leakage risk while maintaining reliable contact point coverage.

A lubrication apparatus captures splashed fluid via a catchment lip and reservoir to deliver consistent oil to rotating components.

Merged duct paths reduce flowing distance and eliminate bubbles to improve reliability of electric scooter power assemblies.

A transparent lens mounted in a gearbox bearing bore enables accurate oil level monitoring without machining large apertures or dismantling the assembly.

A transmission housing uses a separating insert to create sealed chambers that retain lubricant on gear teeth.

An integrated gear reservoir uses centrifugal force to supply lubricant through internal paths, ensuring continuous cooling after primary system failure.

A closed oil reservoir within a gearbox casing traps lubricant during normal flight to supply bearings when negative g maneuvers cause pressure drops.

Radial comb electrodes on a single sensor membrane resolve the contradiction between measurement precision and device volume in hydraulic systems.

Internal gear axle channels transmit coolant to remove heat from longwall shearer components.

A worm gear with a recessed tooth face retains lubricant to maintain stable operation.

A cylindrical boss portion extends toward a chain drive mechanism to define internal oil passages for hydraulic pressure transmission.

A lubricating oil composition with tertiary amine and acid phosphate additives increases metal friction coefficient.

Capillary gaps in a depot ring draw lubricant to gear teeth, preventing dry running.

An auxiliary pump driven by the transmission output shaft supplies hydraulic fluid to maintain lubrication and cooling.

Static seal prevents oil leakage from coupled gearsets, ensuring reliable lubrication without complex baffles.

A lubricating composition uses a thiadiazole-functionalised dispersant to balance viscosity and operating temperatures in mechanical devices.

An internal lubrication channel in a transmission input shaft delivers oil to the clutch assembly, preventing steel reaction plate warping and drag.

Elastic lip seals rotating hollow shaft lubricant circuit, reducing oil leakage and mechanical losses from radial clearance.