Compression Machines With Non-Reversible Cycle TRIZ Cases

Dual inflow ports timed at different scroll phases raise refrigerant flow and heating or cooling capacity without a larger compressor.

Atmospheric pressure drives a cylinder group to generate electricity inside the refrigeration loop, offsetting compressor power use.

A hydraulic bridge and weather-based controls bypass the chiller when possible, cutting building cooling energy and water use.

Variable-speed compressor, pump, and fan control cuts MRI cooling energy use while stabilizing water temperature across load changes.

Two-threshold economizer control modulates refrigerant tapping to keep cooling active at higher condensing temperatures with less compressor stress.

Three refrigerant injection ports at different pressures and angles raise suction flow and cut compression power in scroll compressors.

Individual refrigerant flow valves and target evaporation control let each usage unit meet water setpoints without forcing the whole heat pump to run colder.

Adjustable swirl inflow and nozzle geometry keep refrigerant two-phase separation stable across load changes, improving ejector energy conversion.

Adaptive capacity control uses speed, diffuser and pre-rotation vane adjustment to avoid surge while maintaining chilled water temperature.

Meandering dual evaporator pipes on the inner box improve temperature uniformity and cooling efficiency while keeping refrigerator manufacturing practical.

Shared intercooling between two multistage CO2 compressors expands flow-rate adjustment while limiting size and heat radiation loss.

A flash tank receiver and compressor unload valve regulate CO2 charge and discharge pressure to keep vapor compression below the high-pressure limit.

A desuperheating device, bypass cooling branch, and expansion control cut booster refrigeration sensitivity and improve stable efficiency.

Distributed condenser-evaporator units move refrigerant mainly as gas, cutting liquid overfeed, pump cavitation, and ammonia charge.

Separating the counterflow heat exchanger from the vacuum chamber cuts chamber size and heat loss while preserving cryogenic cooling capacity.

Characteristic evaporator setpoints and hot gas bypass control keep gas drying stable under variable load while preventing condensate freezing.

Multiple bypass injection paths and expansion valves control subcooling and compressor discharge temperature across cooling and heating modes.

Computes chilled water flow from compressor suction volume and characteristic maps, avoiding costly flow meters and extra sensors.

Stabilizers protect HCFO-1224yd from heat and compression degradation, extending heat cycle life while keeping low global warming impact.

An economizer port in the slide valve opens to the suction-pressure chamber at part load, cutting re-expansion loss and refrigerant leakage.

A shared piston and regenerative heat exchanger enable one-, two-, or four-stage gas compression without complex mechanical synchronization.

Using more R32 than HFO-1123 suppresses refrigerant self-decomposition under high heat and pressure while keeping low GWP.

An insulated deck-mounted split-flow heat exchanger improves cascade freezer heat transfer while preserving cabinet cooling space.

Countercurrent double-pipe heat exchangers help liquefy lower-boiling refrigerants, improving cooling efficiency and storage temperature uniformity.

Routing stored refrigerant to the compressor intake speeds air-conditioner charging while avoiding liquid compression and long trial runs.

By stopping the compression member over the discharge hole after pump down, refrigerant stays in the outdoor heat exchanger and counter-flow is suppressed.

Compressor unloading, variable speed control, and expansion bypass cut transient pressure spikes in microchannel refrigerant systems.

Dynamic valve and economizer control smooths capacity transitions to maintain superheat and prevent compressor flooding or engine stalling.

Dual-fluid ejectors, absorption, and separation raise heat pump COP while cutting shock losses and global warming impact.

Azeotropic vinylidene fluoride blends with CO2 or pentafluoroethane cut GWP while maintaining very low temperature refrigeration.

A side-wall recess nests the cascade heat exchanger insulation to cut cabinet depth, preserve storage volume, and ease indoor installation.

Continuous PID control of compressor, fan, and damper settings cuts start losses while stabilizing refrigerator temperature and humidity.

A detachable refrigerant distribution unit cuts pipe bends and flow resistance by matching outdoor installation direction to indoor unit layout.

Monitored suction and discharge pressures trigger compressor unloading and delayed reload to avoid pressure-ratio shutdowns while preserving cooling.

Outside air cooling paired with server heat-driven absorption chilling cuts CRAC recirculation energy while keeping servers within operating temperature.

Fan speed and active fan count track compressor capacity, with pressure overrides to cut condenser airflow energy waste.

A simplified reverse-Carnot COP model uses load and water-temperature corrections to enable accurate real-time chiller evaluation.

A ternary HFO-1234yf/HFC-134a/HFC-32 refrigerant cuts GWP and pressure drop while maintaining efficient counterflow cooling.

Two compressors, an ejector, and a separator cut pressure ratio, lower power use, and improve two-phase evaporator heat transfer.

Underwater feeder pontoons use blind-mate connectors and valves to swap OTEC heat exchanger modules without shutdown or high hydraulic loss.

Separate upper cold-air chambers and evaporators improve temperature control while increasing storage capacity and reducing refrigerator depth.

Liquid-level sensing in a flash tank receiver adjusts secondary expansion flow to stabilize refrigerant charge in transcritical cycles.

A thermal buffer unit in a coolant-refrigerant loop damps coolant temperature swings during compressor cycling for server chip cooling.

High-pressure gas from the compressor pressurizes the refrigerant regulator to speed circuit charging and avoid liquid compression during trial runs.

A tetrafluoropropene/tetrafluoroethane blend enables chillers to replace HFC-134a or CFC-12 while preserving cooling capacity and efficiency.

Multi-sensor control sets CO2 high-side pressure from cooler and evaporator conditions to improve efficiency and cooling capacity.

Catalyst-driven isomerization shifts hydrofluoroalkene blends toward the Z isomer, reducing separation cost and improving refrigerant usability.

Using transcritical CO2 refrigeration with a gas-cooler, this case cuts synthetic refrigerant cost, emissions, and safety risks in food dispensers.