Compressor TRIZ Cases

See how a composite refrigerant blending HFO-1123 with HFC compounds and tailored oil achieves

See how dynamic expansion device control and multi-mode injection circuits lower compressor dis

Periodic torque during compression and reduced torque during suction smooths low-speed compressor motion and limits noise.

PAG absorbs moisture in POE blends, helping preserve viscosity and prevent acidic species in fluoro-olefin refrigeration.

See how a flow control device separates lubricant-rich and lubricant-free refrigerant streams t

See how merging heat exchanger and oil separator into a dual-chamber accumulator reduces heat l

See how time-based closing temperature adjustment reduces electromagnetic valve cycling in liqu

See how centrally concentrated outlet ports and baffle plates reduce swirl-induced vortices, st

See how dynamic supercooling degree adjustment maintains high COP during liquid refrigerant inj

See how pre-heating injected refrigerant in a heat-source-side heat exchanger maintains heating

See how a heater maintains lubricating oil viscosity in hermetic compressors using hydrofluoroo

See how merging defrosting and oil recovery operations into a single condenser-mode process red

See how cut-out support elements uncover flux barrier apertures to enable refrigerant flow thro

Curved raceway grooves retain lubricating oil while upper-race restraint supports smooth rolling, lower noise, and efficiency.

See how overlapping rotor and stator recessed portions increase flow path area in a cryocooler

See how segmented thermal exchange elements with dynamic flow regulation prevent over-cooling a

See how optimized trapezoidal magnet geometry and central tab thickness enable ferrite rotors t

See how independently driven vane subassemblies replace cable-pulley systems to reduce response

See how a sub-3cc rotary compressor with optimized speed and refrigerant selection achieves com

Short shaker-screen handles make installation error-prone; extended handles provide grips and a protective rail for single-operator handling.

See how a cylindrical connecting device with adhesive sealing and interference fit eliminates s

See how elastomeric mounts with rounded bottoms and vertically spaced rings reduce refrigerator

Counterflow refrigeration uses a ternary blend to lower GWP and ozone depletion while maintaining heat-transfer capacity at lower pressures.

Combining HFO-1123 with refrigerant oil improves lubricity and stability under compression while preserving low global warming potential.

See how HFO-1123 and HFO-1234ze blends reduce GWP below 675 while maintaining R410A-level refri

See how a subcooling circuit with integrated temperature feedback reduces compressor energy con

See how suction superheat degree measurement distinguishes bypass valve leakage from other liqu

See how a rotary valve with communication grooves controls pressure peaks in cryocooler expansi

Small heat exchangers increase refrigerant pressure drop; nucleation sites and two-phase ejector mixing preserve heat transfer in compact units.

See how segmented axial oil passages in a hermetic compressor crankshaft maintain bearing stren

See how merging ISG motor and compressor into one assembly reduces weight, cost, and complexity

Moving the compressor indoors separates outdoor heat exchange from noise generation while supporting variable-speed operation and easier maintenance.

Routing recovered oil through the condenser cools or superheats the oil-refrigerant mixture, improving compressor durability and evaporator exchange.

See how an oil separator reduces refrigerant to 15-50% by weight in the lubrication medium, mai

Bubbles in refrigerant oil can trigger false alarms; a separated float chamber keeps oil flow sensing reliable in refrigeration lubrication systems.

See how an oil-gas separation fitting in the suction pipe directs oil to the variable-speed com

See how a premixed HFC refrigerant and POE lubricant charge simplifies R-22 retrofit by elimina

A spring-activated piston switches refrigerant flow paths to vaporize liquid slugs quickly and protect air-conditioning compressors.

See how encapsulating compressor overloads and relays in air-tight material eliminates bulky ex

See how fluoroolefin-based refrigerants with perfluoroalkyl groups achieve zero ozone depletion

See how a voltage-based measurement circuit detects switch states in real time to optimize powe

A segmented permanent-magnet rotor uses trapezoidal geometry and an optimized tab ratio to concentrate flux while resisting high-speed stress.

See how vertically stacked pans create longitudinal refrigerant streams to improve heat exchang

See how mode-switching control adjusts compressor speed based on battery charge and temperature

Temperature, pressure, and speed feedback lets a controller adjust refrigerant flow and maintain bearing film thickness in oil-free chillers.

See how refrigerant saturation temperature sets heater target values to maintain oil viscosity

Inverter temperature sets startup current for a permanent-magnet synchronous motor, while output feedback improves stabilization and prevents inverter damage.

See how a dedicated oil return heat exchanger vaporizes refrigerant to entrain oil back to the

An external expansion-chamber separator slows CO₂ between stages, drains oil back to the shell, and avoids complex pumps.

See how phase detection and coil-based preheating prevent liquid refrigerant compression, reduc