Cooling/Ventillation Arrangement TRIZ Cases

A dual-circuit housing uses separate water/glycol and oil channels to cool stator, winding heads, and motor interior with better heat capacity use.

A longitudinal channel between the flange and coil-end coating cools stator coil heads efficiently without increasing electric machine diameter.

Segmented coolant channels around stator coils and teeth improve heat dissipation in aircraft propulsion motors while limiting coolant temperature rise.

A press-fit two-piece end winding support lowers stress concentration, resists fracture, and preserves electrical isolation in electric machine rotors.

A separate axial cooling channel module improves rotor heat dissipation in axial flux machines while fitting tight installation space.

Separate conductive and non-conductive cooling loops use a heat exchanger and protection cover to prevent motor short circuits.

Axial cooling elements on a housing-less traction motor improve heat dissipation and power density while keeping rail vehicle floor height low.

Gaps between directly cooled windings drive turbulent coolant flow, raising heat transfer and current density while reducing electric losses.

Multiple sealing elements and stepped annular profiles block chemical fluid leakage in a canned motor, protecting the stator if the cover lining fails.

Different derived oil passage shapes balance pressure loss across discharge ports, helping motors receive more uniform oil cooling.

Axial tunnels left empty or filled with damping medium weaken stator vibration paths and lower electric-machine housing NVH.

Wave-shaped cooling fins expand surface area and create turbulence to improve motor cooling while reducing rotating-tone noise.

Rectangular U-shaped copper bars improve slot fill and cut skin effect losses, raising rotary machine efficiency, power, and torque.

Graphene coating on rotor winding conductors improves heat dissipation and lowers I2R losses, enabling higher current without larger generators.

Modular flexible flow channels redistribute coolant across multiple motor heat sources to improve heat dissipation and avoid clogging.

Integrated spray apertures in the end shield cool end coils without separate spray rings, cutting complexity, cost, and tolerance demands.

A secondary airflow element adds turbulence to internal cooling channels, improving heat removal and temperature uniformity in encapsulated electric machines.

An oblique stator cooling-duct separator spreads heat across multiple coils, reducing local hot spots and thermal stress.

Integrated stator elements carry current and refrigerant together, cooling windings while cutting drive volume, parts, and assembly complexity.

Shaft-mounted radial fins transfer heat to airflow in the rotor stator gap, resolving high-power motor cooling limits without complex external structures.

Inserting a prefabricated heat transmission module into the housing clearance reduces assembly effort while maintaining effective thermal management.

Segmented airflow paths prevent pre-heated air from reducing cooling efficiency, extending bearing lifespan by maintaining lower operating temperatures.

A dual liquid cooling system circulates conductive coolant through the stator rotor gap to remove heat from electric machine components.

A rotating machine casing uses internal fins of varying lengths to increase heat exchange area with the stator.

An 88° winding angle on the composite can resists buckling under pressure loads, reducing churning losses and parasitic currents.

Coolant guide with holes uses interfacial tension to direct coolant through spaces between turn portions, preventing drop and maintaining cooling capability.

Segmented chambers with nozzles create turbulent coolant flow that dissipates heat from linear motors while simplifying production complexity.

A coolant supply section directs fluid to the upper peripheral surface of cylindrical coil ends for uniform thermal management.

Alternating fin heights on inlet and outlet manifolds allow a single motor housing to switch between gas and liquid cooling without redesigning statoric parts.

Jacket axial end portions form fluid passages that enable convective heat transfer, resolving inadequate heat dissipation in confined environments.

Radial airflow inversion draws fresh air through cover vents to cool inverter switching elements, reducing power loss and enabling compact design.

Segmented coolant paths direct flow to stator, rotor, and bearing zones via temperature-controlled switching valves.

Internal fans draw cool air through separated volumes within the head cover to remove heat from electric actuators and control components.

Pointed connection heads with rounded apices optimize airflow through the stator winding, resolving cooling efficiency losses caused by reduced axial length.

Dynamic temperature correction values adapt to vehicle tilting angles, resolving measurement accuracy drops caused by refrigerant contact state variations.

Axial flux electric machine reduces rotor weight and iron losses by reversing magnetic flux within a compact laminated core ring stator yoke.

Zigzag refrigerant passage between dual housings improves cooling efficiency while reducing assembly complexity and space restrictions.

Flow disruption members in an overmolded cover generate turbulence to eliminate hot spots from inconsistent coolant coverage on end windings.

Segmented coolant channels reduce convection resistance to improve heat rejection efficiency.

A seal plate blocks the lateral space of a hydrogen cooled generator, preventing cooling air from entering where it promotes dangerous hydrogen accumulation.

Winding retention member confines generator rotor windings against centrifugal forces while routing cooling oil through integrated holes.

Abutting part forms air blowing gap while vibration-absorbing material isolates fan motor from load apparatus resonance.

High emissivity treatment on the stainless steel housing enables passive thermal radiation cooling, eliminating fans that collect dirt in hygienic environments.

Specific radius-to-wall thickness ratios in the motor housing prevent structural damage to end windings during stator removal and installation.

Shaft protrusions create an oil storage area that directs excess fluid away from bearings, preventing energy waste during rotation.

Partial cover with internal baffle directs outlet air away from inlet openings to maintain cooling airflow.

Asymmetrical motor frame gaps position cooling tubes in lower regions to increase output while maintaining shaft height.

Relocating feed-water and drain outlets to the upper side of longitudinally arranged heat exchangers increases cooling capacity while simplifying assembly.

A communication passage connects storage tanks to equalize lubricating oil levels in electric motors.

Partition plate divides oil supply paths to prevent localized cooling of the sealing ring, reducing damage risk and excessive oil consumption.