Compression Machines With Non-Reversible Cycle TRIZ Cases

See how a liquid refrigerant vessel with turbulence-generating mechanisms and bypass sub-coolin

See how a liquid refrigerant vessel with turbulence-generating blades and sub-cooling bypass re

Dynamic valve control adjusts refrigerant flow and evaporation pressure together to prevent evaporator frost and improve cooling capacity.

See how placing the flow generator outside the cryogenic chamber and using heat exchangers to c

See how controlled refrigerant injection into the compression chamber reduces R32 discharge tem

See how superheat control at the compressor suction side prevents liquid backflow during defros

See how real-time compressor health index calculation from volumetric and isentropic efficiency

See how a movable cover part in the header dynamically adjusts refrigerant flow paths to reduce

See how adding phenothiazine to polyoxyalkylene glycol lubricating oil raises the autoignition

See how a nozzle-turbine-impeller assembly uses refrigerant flow energy to drive pressure recov

See how varying discharge port volume ratio with permanent magnet motor speed control improves

See how receiver placement under the cascade condenser with coordinated compressor control rapi

See how reducing bypass refrigerant flow before defrosting increases compressor heat accumulati

See how a modular machine room with cyclonic separator replaces large receiver vessels to cut a

See how dynamic subcooling expansion valve control adjusts refrigerant injection based on cooli

This case examines a quaternary HFO/HFC blend that replaces high-GWP R-404A while retaining non-flammable refrigeration performance.

See how a ternary blend of HFO-1123, HFO-1234yf, and HFC-32 achieves low global warming potenti

See how inclined nozzle grooves generate swirl flow in an ejector, reducing mixing portion leng

See how zeolite air adsorption removes oxygen and nitrogen from HFO refrigerant circuits to pre

See how dual-time compressor current measurement detects refrigerant insufficiency without temp

A compressor current signal and liquid-line temperature sensor infer condenser temperature and subcooling for fewer-sensor fault diagnosis.

See how a counterrotating supersonic compressor assembly achieves 7:1 compression ratios for wa

See how a check valve in the ejector bypass line reduces pressure loss during normal operation,

See how a trifluoroethylene and tetrafluoropropene blend replaces R410A with low global warming

See how integrating flow-path switching and flow-rate adjustment into a single device reduces c

See how cyclic organic compounds with non-conjugated double bonds react with oxygen to suppress

See how intentional coil freezing and defrosting cycles generate clean water at any humidity le

See how a miniaturized scroll compressor with capillary refrigerant network replaces toxic chem

See how expansion valve pressure control prevents liquid hammer in multi-unit refrigeration sys

See how continuous compressor operation with temperature-based control expands free cooling con

Poor HFO-1234yf oil miscibility can trap lubricant at the evaporator; a polyalkylene glycol–polyol ester blend supports circulation in vapor compression circuits.

See how a gas-liquid separating device bypasses unnecessary gas refrigerant to reduce pressure

See how a desiccant and acid acceptor trap moisture and acids in HFO/HCFO refrigerant circuits

See how a spring-loaded cam follower piston pump circulates working fluid through magneto-calor

See how a V-shaped frame arrangement of air heat exchangers reduces inhaling pressure loss and

See how a linear compressor calculates phase difference between piston stroke and motor current

See how an electronic controller detects refrigerant charge loss in transcritical systems by co

See how parallel AC and CO₂ compressors share a receiver and circuit to serve both refrigeratio

See how a flash tank receiver with liquid-level sensing and adaptive expansion control maintain

A demand-responsive discharge-port piston changes compressor volume, addressing over- or under-compression while improving efficiency and reducing noise.

See how a trans-critical refrigerant cycle with non-isenthalpic expansion devices eliminates th

See how positioning high-heat exchangers farther from the fan axis optimizes air distribution,

Aircraft thermal systems vaporize coolant at peak loads and condense exhaust for replenishment, reducing oversized cooling hardware and weight.

See how recirculation and economizer flow paths stabilize centrifugal compressor operation duri

See how a rigid heat insulating board between cascade condenser and evaporator interrupts heat

See how a refrigerant-to-refrigerant heat exchanger and oil separator enable immiscible oil use

See how an injection module selectively injects refrigerant into high and low pressure sides of