Evaporators/Condensers TRIZ Cases

A vapor bypass separates refrigerant phases at the evaporator inlet, cutting velocity and pressure drop while allowing a smaller conduit.

Vertical stacking of standardized heat exchanger, blower, and housing modules raises AC capacity while avoiding large mold costs.

A non-crossing flow-changing layout inside tank units switches refrigerant paths while cutting pressure loss and preserving cooling balance.

Ribs and phase change material boost heat exchange and stabilize refrigerant temperature to improve vehicle A/C sub-cooling.

Discrete manifold passages balance liquid-vapor flow across parallel tubes, reducing maldistribution and improving evaporator efficiency.

Controller-driven refrigerant flow and fan speed keep head pressure stable across ambient changes while cutting refrigerant use and energy.

Partitioning the upper header flow path helps distribute refrigerant evenly across flat tubes, reducing tube overheating and improving heat exchange.

Segmented fins with tube-contacting protrusions support coolant tubes and increase heat transfer without a separate pipe expanding process.

Drain openings in evaporator header tank recess walls remove condensed water, limiting germ growth and offensive odors in car air conditioners.

Through and concave regions between refrigerant passages limit harmful heat transfer in a stacking-type header while preserving flow distribution.

Partitioned air heat exchangers and valve control limit frost buildup, extend defrost intervals, and sustain hot-water heating efficiency.

A looped header with partitioned flow paths keeps refrigerant rising and evenly distributed across flat tubes at low and high circulation rates.

Thermally conductive foam, liquid spraying, and tube layout improve shell-and-tube heat transfer for low driving force cooling and evaporation.

Upper-positioned inlet and outlet ports separate oil and liquid refrigerant inside horizontal tubes, cutting space, parts, and fill volume.

Bypass expansion control holds refrigerant near saturation to cut low-side pressure loss and sustain heating capacity in cold conditions.

Drain grooves and evaporator extensions channel defrost water away from the lift frame and drive path, preventing ice blockage during freezer expansion.

A heat-transfer fluid loop stabilizes evaporation source temperature for low-conductivity materials while shortening heat-up and cool-down time.

A multiple-effect evaporative condenser cools refrigerant directly, cutting cooling tower cost, water use, and pumping energy.

Fine dendritic fins under 10 µm expand gas-side surface area to boost heat transfer while keeping pressure loss low in turbulent flow.

Radial ducting and a peripheral manifold even out steam flow in natural draft ACC towers while accommodating thermal expansion and airflow control.

A level sensor and auxiliary feed valve keep refrigerant pool height stable in a falling film evaporator while reducing refrigerant charge.

Vapor flow passages in evaporator support sheets reduce height while improving upward refrigerant distribution and heat transfer in HVAC systems.

Compressed accordion fins clipped into support openings boost forced-convection heat transfer while preserving condenser strength without thermal treatment.

Aligned apertures, nozzle, and diffuser geometry keep liquid and gas mixed in a heat exchanger distributor for more even fin-pass flow.

A horizontal inlet header improves two-phase refrigerant distribution in stacked flat pipes, boosting heat transfer while limiting pressure loss.

Intermittent fan control and defrost water reuse help a refrigerator chamber hold produce-friendly humidity without sacrificing cooling.

Gravity-fed refrigerant over spaced tube bundles improves heat transfer while cutting pressure loss and refrigerant charge.

A cross-connection channel shifts liquid refrigerant between evaporator paths to flush stagnant oil and keep cooling stable after compressor restart.

Heat-transfer fluid loops stabilize evaporation source temperature while speeding cooling between thin-film deposition cycles.

A fan and shroud drive cold air into a refrigerator door housing, improving circulation, limiting leakage, and keeping storage temperature uniform.

A gradually enlarged connecting tube between heat transfer tubes and the header cuts refrigerant pressure loss and compressor load.

A header flow restrictor creates a pressure drop between passes to stabilize refrigerant distribution in low-charge residential HVAC coils.

Air cools high-pressure refrigerant in a double-pipe exchanger, raising supercooling and evaporator heat exchange to cut compressor power.

A spine-divided desiccant bag nests the refrigerant conduit to prevent binding, improve assembly, and maintain even flow in the receiver.

Multiple communicating passages and a twisting interchange part improve refrigerant distribution, cut pressure loss, and reduce temperature unevenness.

Recessed grooves on inner fins and heat transfer plates drain condensate, limiting liquid film buildup and improving heat exchange.

Through and concave plate features separate refrigerant paths in a laminated header, cutting heat exchange loss in compact heat exchangers.

Independent coil-and-fan modules improve airflow uniformity, cut fan losses, and reduce drainage-related corrosion in air-cooled chillers.

A bent, inclined refrigerant inlet improves distributor flow balance and reduces superheat deviation across heat-exchanger paths under low load.

An internal exchanger built into the condenser undercooling block saves space, cuts leak points, and improves refrigerant subcooling in vehicle AC circuits.

Divided front and rear evaporator flow paths cut cool-air transport heat loss and cycle loss, improving refrigerator energy efficiency.

Partitioned header chambers and metering orifices improve refrigerant distribution, capacity control, and compact heat exchanger performance.

Distributor inserts split refrigerant across microchannel tube banks to limit flash-gas maldistribution, improve heat transfer, and avoid added separator complexity.

Asymmetric tank communication holes and a dam improve low-flow refrigerant distribution, reducing blown-air temperature variation.

Facing plates form coolant flow paths and joining surfaces, cutting heat exchanger parts while preserving reliable heat exchange.

Colliding refrigerant jets inside a header cavity mix vapor and liquid phases, reducing separation and improving tube-to-tube distribution.

Variable-speed brushless DC compressor control matches refrigeration load to cut power use, noise, and wear while holding temperature.

Continuous nested tube circuits span multiple airflow zones to balance superheat, improve heat transfer, and reduce refrigerant leaks.

Intersecting distribution pipes create mist-flow refrigerant injection that limits gas-liquid separation and improves heat exchanger uniformity.