Evaporators/Condensers TRIZ Cases

Multi-stage tray separation removes vapor and droplets before refrigerant reaches the tube bundle, improving distribution uniformity and heat transfer.

Integral manifolds and web-connected tube banks simplify refrigerant circuiting while improving heat transfer and reducing pressure drop.

An internal sub-cooler keeps refrigerant liquid before pump discharge, reducing cavitation wear while saving aircraft cooling space and weight.

Internal supercooling before the expansion valve cuts flash gas, improves pressure control, and reduces piping losses in heat pumps.

Branch current adjustment and a perforated lower header pipe counter gravity-driven maldistribution across parallel heat exchange surfaces.

Routing the liquid supply conduit through the outlet header subcools refrigerant before expansion, improving cooling efficiency.

A dual-cavity coolant cylinder keeps desiccant isolated during brazing, then opens under pressure to enable moisture removal without leaks.

Corrugated strips form finless virtual air channels that cut clogging, pressure drop, and manufacturing complexity in microchannel heat exchangers.

Integrated metering apertures replace distributor tubes to balance liquid-vapor flow in heat exchangers and improve thermal transfer.

Angled side mounting lets refrigerant enter the distributor directly while cutting flooded evaporator height, charge, and bottom-space constraints.

A calculated first-tube-group ratio balances sub-cooling and condensing area in R1234yf condensers to improve cooling capacity without excess pressure.

Adjusting header pipe flow area to refrigerant mass flow improves two-phase distribution across flat tubes and sustains evaporator performance.

An external tank refrigerant space keeps evaporator channels separate and preserves reliable flow interchange even when brazing is poor.

Segmented first and second trays spread refrigerant evenly across the tube bundle, cutting charge and pressure loss under part-load conditions.

A windward extension portion and front flat fin area cut frost buildup during heating while preserving louvered cooling heat exchange.

Phase detection and controlled heating keep refrigerant gas flowing in aircraft cooling lines at low ambient temperatures without overdesign.

Shared secondary-loop return headers let one cascade refrigeration layout serve low- and medium-temperature storage with less complexity and energy use.

Divided manifold chambers and orifices keep two-phase refrigerant mixed, preventing maldistribution across microchannel tubes.

A return pipe shifts outlet location and stores refrigerant to ease installation, stabilize circulation, and prevent liquid slugging.

Intermediate heat exchangers and water or antifreeze loops isolate indoor spaces from refrigerant leaks while supporting simultaneous heating and cooling.

Positioning the lowest evaporator line level with the run-off channel improves freezer deicing, dew water drainage, and energy use.

A variable ceiling support lets the evaporator slide in obliquely and lock securely, cutting refrigerator assembly time in tight chambers.

Three concentric flow passages let two refrigerants and water exchange heat at once, supporting cooling, heating, and hot water in one unit.

Stacked water pans cool condenser coils by evaporation without direct water contact, reducing corrosion, scale buildup, and maintenance.

Cross-sectional stabilizers keep cryogenic cooling channels from warping, preserving uniform freezing conditions and cleaning access.

Separate refrigerant and heat-medium circuits cut leakage risk and energy use while keeping water out of sensitive cooling spaces.

Compressed butyl rubber beads bond the coolant pipe to the blank, expel trapped air, and improve refrigerator evaporator heat transfer.

Strategic partition-wall hole placement in the header tank improves refrigerant distribution, cuts dead zones, and simplifies heat exchanger manufacturing.

Natural refrigerant circulation and ceiling-mounted inclined tubes cut cooling power use without compressors or indoor fans.

Capillary channels and paired base plates protect against shock damage while improving coolant distribution in electronics cooling.

Modular manifold sections with stub tubes and a slotted frame let microchannel coils slide, connect, and reconfigure with easier service.

Multiple refrigerant circuits split flow across microchannel tubes to cut pressure drop and improve heat transfer at high ambient conditions.

An inclined air guide separates cold-air flow from defrost drainage, improving temperature stability and preventing water overflow in the storage compartment.

A refrigerant bypass lets two evaporators share one expansion valve, cutting valve count while maintaining multi-zone cooling.

An asymmetrical hood and flow distributor suppress refrigerant cross flow, improve tube wetting, and reduce droplet entrainment and pressure drop.

Bypassing the compressor with a liquid pump cuts cooling power use while maintaining room temperature, humidity, and indoor cleanliness.

Enlarged manifolds, tuned tube openings, and a liquid baffle cut refrigerant pressure drop and mal-distribution while increasing holding capacity.

Segmented chambers and outlet holes even refrigerant flow in a horizontal evaporator, preserving thermal performance and improving oil return.

A motorized brush sweeps condenser fins horizontally and vertically, using dust sensing to clean only when buildup reduces airflow.

Angled connectors and baffles guide cooling air through a horizontal condenser coil to boost heat transfer and cut refrigerator energy use.

Adding epoxides or fluorinated epoxides helps fluoroolefin refrigerants resist heat and air oxidation, preserving cooling performance.

A bent evaporator section covers its own connection points, improving refrigerator cleanability, airflow, and assembly cost.

Axial internal grooves and higher-resistance aluminum tubes prevent ridge tilting during expansion while preserving heat transfer and low pressure loss.

A compact thermoelectric cooler keeps airtight transit cases below ambient temperature without bulky compressor hardware or added maintenance.

A UPS keeps the water pump running during outages to prevent circuit freezing while relay-based control suppresses false compressor alarms.

A split evaporator with one section outside and one inside the compartment improves cooling uniformity, freezing capacity, and energy use.

Parallel airflow through thermosiphon-cooled cabinet modules cuts pressure drop and manages high heat flux in compact power electronics.

Conductive refrigerant tubes are arranged for parallel flow and series heating to clear ice fast while avoiding heavy defrost wiring.

An independent coil inside the condenser uses existing fan airflow and space to cool electronics and oil separators without hurting condenser efficiency.