Compressor TRIZ Cases

See how a segmented crankshaft assembly with separate crankpin and body reduces manufacturing t

See how glass, resin, or ceramic insulators fixed between pipes and casing prevent refrigerant

See how aluminum sliding surfaces paired with low-solubility polyalkylene glycol oil reduce vis

See how a dual oil-line design with fan-cooled bypass and orifice balancing reduces pressure lo

See how a turbomachine integrates helical conduits with traditional blading to enable compact,

See how a refrigeration system uses reduced cooling intensity in a second operating mode to mel

See how gate and groove geometry refinement limits the rotor-to-groove angle to 145° or less, p

See how a segmented control unit with a universal base module and add-on interfaces enables ref

See how a cylindrical heat pipe around the motor and compressor recovers waste heat to improve

See how a scroll expansion mechanism converts high-pressure throttling loss into rotational ene

See how offset axial oil passages maintain drive shaft rigidity while enabling centrifugal pump

See how an elliptical oil passage cross-section in a rotary compressor drive shaft maintains ce

See how a rotary member between motor and discharge pipe uses collision and cyclone separation

See how switching between water-cooled and air-cooled gas coolers with dynamic refrigerant reco

See how stepped peripheral surfaces with segmented contact reduce facing time, thermal expansio

See how a metal terminal cover with gasket sealing replaces plastic to reduce fire and explosio

See how pulse voltage injection detects open phases during stator winding switching in rotary m

See how a bypass solenoid valve equalizes pressure between oil separator and evaporator before

See how limiting gap dimensions to ≤2 mm around ignition zones suppresses disproportionation re

See how dual metal support members on both gate surfaces allow radial movement, prevent damage

See how a valve in the economizer port aligns with the compressor casing to block refrigerant f

See how recessed valve plates create thermal spacing to reduce coolant overheating and eliminat

See how mounting the common heat exchanger at an intermediate temperature position reduces ther

See how asymmetric rotor slits with optimized angle positioning reduce armature iron loss and v

See how rigid insulators overlapping core portions reduce axial tooth displacement during windi

See how asymmetric insulation portions with different extension lengths improve phase isolation

See how a both-end turbo compressor merges motor and bearing chambers, using refrigerant flow t

See how pump-driven flow paths replace eductor systems to enable reliable compressor oil recove

See how concentrating crossover lines and taps in one groove region simplifies wiring, reduces

See how an integrated inclined discharge flow path in the housing eliminates spot-welded gas gu

See how segmented stator core members with beam portions and fixing joints reduce vibration pro

See how an axial arrangement of bearingless motor, thrust bearing, and radial bearing extends b

See how oil injection into the compressor suction pathway liberates dissolved refrigerant to re

See how a mixed HFO refrigerant system uses acid scavenger in machine oil and controlled temper

See how a refrigeration controller generates baseline performance data when rated specs are una

See how an integrated terminal merges temperature sensor, wire harness, and sealing into one pr

See how a hybrid axial bearing combines static-pressure orifices and dynamic-pressure foils to

See how a direct-drive turbo compressor with magnetic bearings eliminates gear units and lubric

See how a separator in a hybrid vapor compression cycle isolates lubricant in the liquid phase,

See how segmented welding and integrated accumulator design enable independent leak testing, re

See how a VFD sampling at 1-10 KHz detects compressor surge faster than 1 Hz chiller controller

See how a suction-side heat exchanger increases discharge superheat to improve oil separation a

See how a flow-regulating valve adjusts lubricant supply based on pressure differential to prev

See how routing the medium injection line through an intermediate floor bypasses the high-press

See how connecting one compressor's discharge to another's casing uses the stopped unit as an o

See how an avoidance part on the crankshaft accommodates oblique deformation to reduce bearing

See how a leg-member intermediary isolates the elastic body from the low-temperature accumulato

See how an integrated evaporator-oil cooler assembly uses gravity-fed refrigerant flow to cool

See how bypass pipes connecting impeller discharge to inlet expand stable operating range and r

See how quarter wave tubes integrated as grooves in diffuser walls attenuate pressure wave nois

Capacitance sensing tracks compressor oil level in real time, cutting unnecessary oil collection, energy waste, and downtime.

Chloro-trifluoropropene refrigerants replace R-123 and R-11 in negative-pressure chillers while maintaining capacity, compatibility, and lower GWP.

Pressure-reversal oil balancing redistributes lubricant between series compressors to cut friction loss, power use, and oil-starvation damage.

Staggered dual-compressor start-up with voltage and current feedback reduces pressure interference, piston collision risk, and power use.

A sulfide and gallate additive blend helps refrigerating machine oil resist wear and stay stable with low-GWP refrigerants under severe lubrication.

A directed suction conduit routes low-pressure fluid to the compressor inlet while limiting motor heat pickup and preserving HVAC efficiency.

Uses motor stator windings and temperature feedback to heat the crankcase only when needed, reducing energy waste and cold-start wear.

A staged bypass and heat-exchanger valve path speeds compressor oil warm-up while reducing thermal shock, oscillation, and wear.

A heat pipe transfers heat from aircraft power electronics to a cooling agent, preventing condensation and overheating in tight spaces.

A mediated multi-loop cooling scheme stabilizes VFD inverter temperature while preserving compressor and chiller capacity across free and mechanical cooling modes.

A unitary shell, splash-lubrication counterweight, and heat exchanger improve compressor alignment, oil distribution, and viscosity control.

An expendable fluid vaporizes in the warm-side heat exchanger, drives a turbine to assist compression, and cuts cooling power and heat-sink weight.

Separate heat exchangers cool helium and oil independently, helping helium reach below 20°C while reducing power use and oil heat load.

HFO-based heat transfer compositions improve miscibility with mineral oils, restoring oil return in refrigeration systems without oxygenated lubricants.

A shared oil return pipe pools separator output and redistributes it to multiple compressors to prevent oil starvation and mechanical abrasion.

Temperature feedback regulates refrigerant flow through stator and rotor channels to prevent motor housing condensation without overheating.

Concentrating pipe joints and placing a sensor below the pooling point enables early turbo chiller refrigerant leak detection with fewer sensors.

Separating refrigerant phases keeps liquid in the stator coil while vapor circulates in the motor cavity to improve cooling and prevent damage.

Overmodulation control creates no-switching carrier cycles to cut high-frequency leakage noise in refrigerant-cooled power modules.

A dam wall and flow opening balance oil between parallel compressors, preventing foaming, oil carryover, and low-sump lubrication.

Internal LAT sensing in the heat exchanger enables faster valve control to prevent freezing and avoid costly flow sensors.

Chloro-trifluoropropene refrigerants replace R-123 and R-11 in negative-pressure chillers while keeping efficiency, capacity, and lubricant compatibility.

Diverted refrigerant cools the motor, bearings, and compressor stages through a secondary flow path without added cooling hardware.

By storing more liquid coolant and switching flow paths, this case keeps EV electrical-device cooling stable when liquid-phase flow drops.

Centrifugal pressure boosting and a cylindrical wall separate oil from refrigerant, cutting oil carryover while preserving compressor lubrication.

A regulated refrigerant cooling branch keeps motor control electronics above freezing yet below evaporator liquefaction limits to avoid icing and condensation.

Temperature- and time-based crankcase heater control prevents cold-start wear and liquid flood-back while cutting unnecessary compressor energy use.

Flow control raises radiator outlet refrigerant velocity to return compressor oil in transcritical CO2 cycles, even under partial load.

A single inverter with shared switching elements runs two refrigerator compressors while cutting switching losses and stabilizing stroke control.

Independent compressor-evaporator cycles and refrigerant switching reduce overcooling, cut power use, and support separate freezer and fridge operation.

Integrated suction and discharge manifold modules simplify parallel compressor piping, speed compressor changes, and reduce system footprint.

Magnetic bodies add impedance to grounded refrigerant pipe paths, cutting high-frequency leakage and common mode noise while cooling power devices.

Pressure-controlled piston actuation opens and closes a screw compressor bypass valve smoothly, reducing over-compression, hit sound, and vibration.

A parallel direct-mounting connector shortens compressor axial length while enabling one-side assembly, inspection, and detachable testing.

A pressure-actuated valve adds lubricant or refrigerant during pressure drops to limit rotor heating, friction, and wear in screw compressors.

A waterproof breathable vent valve relieves gel expansion pressure and water vapor while blocking water ingress in an integrated compressor inverter.

Injecting liquid refrigerant or cooling liquid at an intermediate compressor stage absorbs compression heat and lowers discharge temperature.

Split side discharge passages inject refrigerant into the return channel bend for more uniform mixing, lower flow loss, and better shaft rigidity.

By mounting a liquid-filled transformer and VSD on the chiller, this case cuts floor space, uses chiller cooling, and enables low-voltage components.

Deflection features on the compressor housing keep hot oil off suction and pressure ducts, limiting refrigerant heating and efficiency loss.

Valve switching and liquid recovery redirect refrigerant during compressor standby to prevent accumulator buildup, oil dilution, and damage.

A split housing with distributed mounting lugs isolates clamping stress, preserving motor-compressor alignment and reducing noise.

Separate liquid and compressed-gas cooling loops improve stator, rotor, and bearing heat removal without larger gaps or wet sealing issues.

A pressurizing circuit and cooler stabilize low-load refrigerant pressure, widen heat exchanger control, and improve air conditioner COP.

A staged ratchet and projection layout lets compressor electric-component covers detach with less distortion, preventing resin fracture and looseness.

Switching compressor flow between near-threshold and zero return stabilizes oil circulation and limits evaporator temperature swings.

A peak-value suppressor, bypass circuit, and series inductor limit lightning surge voltage in small-capacitance inverter supplies.

Sensors, pressure control, and a bypass valve help a two-stage heat pump flash tank block droplets, recover oil, and protect the high-stage compressor.

By sensing only positive half-wave voltage and current, this case cuts compressor stroke-control circuit complexity and power use.

A variable valve and capillary tube in series control refrigerant flow to prevent cooling-jacket condensation without high valve cost.

Low-temperature intermediate-pressure gas cools returned oil in the compressor housing, limiting suction gas heating and high-stage overheating.

Phase-angle integration of current deviation keeps reactor voltage stable while cutting switching loss and noise at lower carrier frequencies.

Waste heat from the VFD heats separator oil to maintain compressor viscosity without electric heaters or parasitic oil cooling losses.

Oil level sensing lets compressors redistribute oil only where needed, cutting unnecessary oil return time and energy use.

Upper placement of an integrated CO2 intercooler improves airflow, reduces heat loss, and prevents icing in two-stage refrigeration.

Injection-molded bobbin bodies guide and fix core blocks to insulate the coil, prevent deformation, and shrink linear compressor size.

A branched injection circuit switches by refrigerant dryness to avoid liquid compression, overheating, and oil carryover in multi-stage compressors.

Flow restriction keeps ultra low viscosity volatile lubricant above evaporation pressure, delaying boiling and preventing dry running in bearings.

A pressure-drop and temperature-sensing oil feed path closes its valve when liquid refrigerant enters, protecting compressor lubrication and cooling capacity.

Concentric refrigerant channels around the compressor cut module size and unwanted heat transfer in vehicle heating-cooling units.

By raising compressor frequency during heating, this case recovers refrigerating machine oil without switching to cooling or reducing heating capacity.

Inclined boss surfaces and an oil discharge hole quickly remove leaked seal oil, preventing sludge and preserving shaft sealing.

Dynamic valve opening based on oil level, temperature, and outlet pressure maintains compressor lubrication while cutting power loss.

Different switching frequencies let one inverter run two refrigerator compressors together, reducing switching loss and component count.

Hot gas bypass and desuperheat lines keep refrigeration compressors running steadily at low load, preventing cycling damage and oil return loss.

Blending tetrafluoropropene with selected HFCs cuts ozone and global warming impact while preserving cooling capacity and energy efficiency.

A bypassed auxiliary heat exchanger cools compressor discharge refrigerant, limiting R32 temperature rise without sacrificing heating and cooling capacity.

An elastic pressing member and grooved heat transfer part increase pipe contact area, improving holding strength and heat conduction.

Centralized control balances lubricating oil and refrigerant across linked indoor and outdoor units to cut power waste and maintain stable operation.

Oil level sensing and RPM feedback keep EHP and GHP compressors balanced, preventing oil shortage in compact low-pressure GHP units.

Lowering oil sump refrigerant pressure separates refrigerant from oil, preserving viscosity and lubricity while maintaining motor cooling.

Non-metallic piston plugs retain compressor wrist pins, limiting axial movement and wear while avoiding clips and extra assembly tools.

Cylindrical valve spool moves linearly to establish fluid communication between an inlet port and two radial outlet ports.