Compression Machines With Non-Reversible Cycle TRIZ Cases

See how a dining bar integrates a lifting refrigeration chamber that raises stored items to com

See how dynamic post-cool fan time based on compartment temperature setpoint optimizes energy u

See how a partition plate with a communication hole above the highest brazed portion isolates f

See how a composite HFO-1132(E) refrigerant blend achieves GWP below 300 while maintaining COP

See how parallel auxiliary compressors pressurize economizer vapor flows to reduce backflow and

See how a bistable rocker with shape memory alloy actuation and recuperative springs reduces co

See how vertical arrangement of refrigeration and water-cooling systems reduces floor area, pre

See how discharge temperature-based expansion valve control maintains subcooling within target

See how air pressure grooves on rotor end faces generate fixed axial forces, enabling single th

See how a ternary HFO-1234ze(E) refrigerant mixture balances low GWP, controlled flammability,

See how warm refrigerant from the MT compressor suction side defrosts evaporators without high-

See how dynamic compressor speed control maintains CO₂ refrigerant pressure above the triple po

See how a three-component HFO-HFC refrigerant mixture achieves GWP ≤400 while preventing dispro

See how multi-parameter feedback control dynamically adjusts compressor and fan operation to re

See how a ternary refrigerant mixture of HFO-1132(E), R152a, and HFO-1234yf/ze(E) achieves GWP

See how a three-way valve and variable-speed dual pump system enable smooth pump switchover, ma

See how a cascade cycle pairs CO2 with a high-critical-point refrigerant to expand subcooling a

See how a venting passage from receiver to high-stage compressor enables pressure and superheat

See how a ternary HFO-1234ze(E) blend reduces global warming potential below 1 while controllin

See how adaptive compressor control and defrost heater operation reduce cold storage energy use

See how dynamic switching between gas and liquid injection based on discharge temperature and c

See how a radial slide valve with rotor-aligned sealing surface reduces leakage at high capacit

See how a direct-drive screw compressor uses refrigerant as lubricant for rotors and bearings,

See how a trifluoroethylene and difluoromethane blend with controlled temperature glide replace

See how a rotary pressure exchanger recovers energy from CO2 expansion without low differential

See how a refrigerant composition combining HFO-1132(E) and propane achieves low GWP and high C

See how a transcritical CO2 gas cooler assembly recovers waste heat through staged heat exchang

See how a mixed refrigerant with 52-66% HFO and polyvinyl ether base oil balances dissolution p

See how a reduction mechanism with check valve or heater prevents refrigerant ingress into an i

See how parallel sub-loops with dynamic flow distribution maintain constant heat exchange quali

See how blending HFO-1225yeE, HFO-1234zeE, and HFC-134 in controlled weight ranges achieves non

See how ester-based refrigerating machine oil with controlled aniline point and viscosity index

See how unified throttling control switches between normal and surge protection modes to manage

See how dual-mode throttling control switches between normal and surge protection modes to prev

See how a partitioned casing with communication hole separates combustible R290 refrigerant fro

See how perpendicular condenser-evaporator positioning at the drawer back maximizes bottle stor

See how a ternary HFO-1132(E), HFO-1123, and R32 refrigerant composition achieves R410A-equival

See how a switching valve group merges battery and power converter cooling loops to improve ene

See how a processor detects thermoelectric cooler failures via current and voltage monitoring,

See how wave-shaped heat transfer plates generate turbulent flow in binary refrigeration circui

See how blending trifluoroethylene with low and high boiling point compounds suppresses gas-pha

See how cooled ceiling walls and enveloping airflow eliminate recirculation, homogenize chamber

See how segmented compressor, evaporator, and condenser modules with flexible tubing enable HVA

See how a magnetic rotating mechanism adjusts ejector nozzle position to optimize fluid mixing

See how intermediate-pressure injection and dual-stage compression control suppress evaporator

See how a rotating wheel filter uses fluid flow to discharge foreign matter back to the inlet,

See how a deflector with nested tube sections distributes high-pressure refrigerant flow evenly

An aerodynamic feature map sets minimum compressor speed from cooling load and pressure conditions to avoid rotating stall and cut energy waste.

A separate supercooling stage boosts evaporator capacity in an ejector refrigerant cycle without lowering compressor suction density.

Predetermined valve control uses flash tank level and compressor conditions to engage the economizer without shutdown risk.

Selective zeolite pores remove oxygen from HFO refrigeration cycles without adsorbing refrigerant, limiting oxidation and degradation.

Matching high- and low-stage compressor volumes keeps CO2 subcritical in the separator, enabling gas injection and improving COP.

A shared thermal transport bus collects heat from multiple gas turbine accessory systems and rejects it downstream with fewer exchangers.

Gas-based refrigerant transfer with local condenser-evaporator units cuts liquid overfeed, pump cavitation risk, and ammonia charge.

Branch passages, throttle members, and a gas-liquid separator let an ejector cycle balance two evaporators while protecting the compressor.

Ambient airflow cools the intercooler ahead of the outdoor heat exchanger, cutting discharge temperature without added circuitry.

Power transistor temperature is used to limit and then raise motor speed during startup, enabling reliable electric compressor starts in hot conditions.

Selective intercooling and liquid/vapor injection cut CO2 compressor discharge temperature while extending capacity and reliability in transcritical cycles.

An intercooler bypass tube redirects supercritical CO2 refrigerant after intercooler defrosting to cut heat loss and preserve defrosting capacity.

Multistage CO2 compression with an intercooler expands flow-rate control while cutting heat radiation loss and keeping the refrigeration unit compact.

Outward-punched manifold openings and curved tube edges keep brazing material out of microchannels, reducing pressure drop and flow maldistribution.

Sensor-driven scheduling aligns air-water condensation, soil moisture, and plant growth stages to improve irrigation timing while reducing energy waste.

A soft conductive contact layer fills gaps between the compressor and heat storage tank, improving heat capture for defrost heating.

Decoupling suction pressure from compressor capacity control cuts switching, avoids control conflict, and keeps display case temperatures stable.

Waste heat from the compressor and heat exchanger is converted into electrical current to boost heat transfer and improve low-ambient efficiency.

Hybrid pod cooling uses atmospheric free cooling plus mechanical sub-cooling to handle high-density loads with lower energy use.

Integrated plate modules and a housing simplify heat exchanger assembly, improve leak tightness, and boost counterflow heat transfer.

Separate upper cold-air chambers and a central machine room improve dual-compartment airflow, temperature control, and storage space.

Compressed refrigerant bypasses the condenser so one evaporator heats the other for defrost, cutting energy use and heater ignition risk.

A door-mounted valve and segmented drain path manage defrost water despite hinge motion, blocking flow when open and draining when closed.

A plenum-style inlet air guide routes cooler air to ACDX condenser coils in tight installations, limiting hot-air recirculation and energy use.

A purifier nested inside the cold water container saves space and keeps purified water sealed from air to limit contamination.

Independent compressor and expansion control lets each indoor unit match load and maintain precise evaporation temperature and refrigerant pressure.

Lower enclosure humidity cuts the flammability of low-GWP heat transfer fluids, enabling safer vapor compression heating and cooling.

An intercooler bypass redirects CO2 refrigerant after defrost completion to cut heat loss and preserve defrosting capacity.

A gas-liquid separator and cooling stage subcool refrigerant before the utilization circuit, preventing two-phase flow and pressure-loss cooling drop.

A serpentine finned subcooling coil uses existing condenser fan airflow to cool refrigerant before expansion, boosting capacity with simple installation.

Real-time compressor inlet superheat feedback tightens evaporator control to prevent liquid carryover and cut excess refrigeration energy use.

A refrigerant recovery sequence shifts refrigerant before free-cooling, preventing pump cavitation and avoiding compressor use in low ambient conditions.

During CO2 defrosting, injected hot refrigerant gasifies separator flow to protect the high-pressure compressor and shorten defrost time.

Allows a chiller compressor to run briefly below nominal minimum frequency, avoiding unnecessary shutdowns while protecting lubrication.

A switchable water loop combines cooling towers, solar cooling, and modular chillers to cut data center cooling energy use.

Gradual target evaporator temperature updates let a variable-speed compressor avoid overshoot, cut energy waste, and maintain cabin comfort.

Selected evaporator conduits carry hot gas to melt ice quickly, limit ambient heating, and avoid separate defrost equipment.

A temperature-controlled bypass valve and compressor speed limit curb refrigerant inflow at startup, preventing oil dilution and discharge.

Packing in the inlet manifold stabilizes two-phase refrigerant distribution, limiting pressure drop and improving heat transfer in compact low-temperature exchangers.

Working fluid drips from the switching unit onto the CVT stepping motor, improving cooling while freeing motor layout from fluid immersion.

Segmenting the refrigerant circuit and using key state variables enables fast, accurate charge adequacy judgment on low-cost controllers.

Two sensor signals are processed to infer non-measured refrigeration parameters, separating high-side and low-side faults for faster compressor protection.

By controlling quasi-subcooling degree instead of high-side pressure, the cycle reaches peak COP faster with simpler, more stable expansion control.

Torque-based compressor and blower control counters ram pressure at high vehicle speeds to keep cabin cooling and air distribution stable.

A solenoid valve engages the chiller economizer from flash tank level and compressor conditions to improve startup efficiency and avoid shutdowns.

Current and discharge temperature sensing helps distinguish high-side and low-side compressor faults with fewer sensors and faster shutdown decisions.

Adaptive target pressure changes stabilize refrigerant charge diagnosis, shortening judgment time under varying air conditioner installation conditions.

Different tube spacings let vapor and liquid refrigerant sections use tailored airflow and fin density to improve heat exchange.

Historical load prediction ranks compressor cycling actions to hold suction pressure more accurately and cut energy waste and maintenance.