Integral Reactors TRIZ Cases

A support structure decouples seismic forces from reactor modules using base isolation elements and damping devices.

Merging water and air cooling schemes in one unit eliminates periodic water supplementation while maintaining high cooling efficiency.

Sealed power module uses buoyancy-driven flow to remove decay heat without external power, preventing radioactive release during site power loss.

Multiple plenums with varying tubesheet perforation densities resolve pressure stability issues in nuclear reactor steam generators.

Positioning a decay heat heat exchanger above the core center enables natural circulation, resolving reliability and complexity trade-offs.

Extracting the upper core plate reduces flow resistance and manufacturing costs while maintaining alignment through mating features.

Helical blades on a central shaft curve upward coolant flow, increasing residence time to stabilize power response and reduce fuel requirements.

Segmented receivers and intermediary cables maintain continuous monitoring while moving reactor modules between bays.

A dynamic neutron reflector assembly adjusts composition, temperature, and volume to manage the neutron spectrum within a molten fuel salt core.

A spacer grid design uses a non-central spring direction switch to enhance structural integrity.

A robotic manipulator withdraws in-core instrumentation through a removable lower reactor vessel head.

A transporter moves the upper reactor vessel vertically and horizontally to separate it from the lower vessel.

A nuclear reactor safety system uses segmented energy spaces and heat exchange devices to enable passive cooling without operator intervention.

Amphora-like hydraulic separation structure integrates pumps and heat exchangers within the cold header to reduce reactor vessel diameter.

Preheating coolant via electric heaters stabilizes startup by preventing power excursions during criticality.

An inclined tube sheet in a nuclear steam generator withstands over-pressurization forces through optimized geometric orientation.

A plate heat exchanger incorporates a dedicated monitoring flow path between plates to capture leaking fluids for immediate sensor detection.

A steam generator surrounds the reactor vessel cylindrical shell to eliminate external piping connections.

Segmenting the liquid metal coolant loop from the fuel loop allows high-temperature operation and eliminates large external heat exchangers.

Recesses in the vessel wall house passive safety primary heat exchangers, maintaining cooling efficiency without increasing overall reactor volume.

A connecting apparatus with a protruding base plate and sealing member secures steam generator outlets to flow mixing headers.

Ellipsoidal deflector shield directs coolant flow toward the reactor vessel bottom to enhance natural circulation patterns.

Flooded containment regions absorb heat from the reactor pressure vessel, eliminating pump dependency for cold shutdown.

A penetration flange retracts in-core instrument thimble tubes from the reactor core prior to refueling operations.

Seismic isolation assemblies absorb dynamic forces through plastic deformation and hydraulic damping to protect reactor components.

A movable platform transports nuclear reactor modules to servicing areas while decoupling sensors from bay receivers.

Corundum inner tubing protects nickel superalloy shells from corrosive molten salts, preserving neutron economy and extending reactor lifetime.

Segmenting the vessel with an integrated baffle reduces material usage and weight while maintaining safety standards.

Segmented pressure vessel isolates steam generators from control rod drives to reduce upper height and weight.

A liquid fuel nuclear reactor design dissolves fissile material in a neutronically translucent carrier to sustain fission reactions.

An integrated thermal exchanger combines main and waste heat loops within a single housing to reduce reactor volume.

Relocating the steam generator to an external annular volume reduces pressure vessel height and manufacturing costs while maintaining containment integrity.

Transmuting fertile material in a liquid carrier boosts diffusion and solubility, solving low fuel utilization.

A hermetically sealed electrical feedthrough routes conductors through a pressure vessel wall.

A passive pressure control device uses fluid spray and condensation to regulate vessel pressure without moving parts.

Attaching the heat exchanger to the vessel wall through the discharge duct passage reduces internal volume and simplifies maintenance access.

Silicon carbide composite channel boxes suppress hydrogen generation during high-temperature accidents while improving earthquake resistance.

A dry containment vessel surrounds a nuclear reactor core to condense steam and remove decay heat passively.

Replacing stainless steel cladding with a thin hafnium skin increases rod worth and gravity-assisted insertion while preventing hydriding swelling.

Segmented unit cells alter radial dimensions to adjust power output, resolving adaptability versus complexity trade-offs in fixed designs.

Natural circulation drives emergency feedwater through a heat exchanger, removing decay heat without external power or operator intervention.

A horizontal modular nuclear reactor design reduces physical footprint through segmented high-pressure shell assembly.

Natural circulation and gravity-driven flow enable continuous core cooling for seven days after a trip, eliminating active pump dependency.

Segmented cable modules on the distribution plate reduce internal cabling complexity and minimize reactor shutdowns.

Submerged containment vessels use buoyancy and elastic damping to reduce seismic stress on connections.

Horizontal steam generators connect directly to the reactor pressure vessel, reducing primary circuit volume and seismic stress risks.

Aligned openings in the dashpot sidewall and sheath provide cooling for control rods without compromising structural integrity during installation.

Segmented insulation and an anti-ejection shoulder prevent primary leaks while allowing rapid demountability of the penetration body.