Compressor TRIZ Cases

See how a refrigeration cycle apparatus resolves the lubricity-GWP contradiction using optimize

See how unequal eccentric parts with precise angular relationships and crossed groove limiting

See how bypass pipes and multi-stage impeller layout prevent surge and stall in centrifugal com

See how nested demister integration in screw compressor outlets improves oil droplet separation

See how a bottom-located intermediate passage uses refrigerant flow inversion to convey accumul

See how differential pressure control across gas bearings prevents non-synchronous rotation and

See how maintaining refrigerant flow ≥1 m/s near ignition sources suppresses disproportionation

See how a discharge valve with optimized hydraulic diameter ratio (0.602–0.740) and reference l

See how merging condenser and evaporator plates on opposite sides of a partition reduces heat e

See how offsetting the accumulator outlet pipe insertion point from the center axis improves su

See how stopping the resonance circuit under light load and raising carrier frequency reduces w

See how segmented heat exchangers with independent expansion valves enable refrigerant-cooled h

See how a control unit restricts estimation during unstable feature quantities and releases onl

See how a gap filter integrated into the compressor housing filters particles before the spiral

See how parallel discharge circuits with switched low-resistance paths accelerate capacitor dis

See how a fluid by-pass line with a separating portion extracts lubricant oil from compressed c

See how a separator divides the oil chamber into intake and discharge zones, simplifying assemb

See how expansion valve position signals and mass flow estimation enable compressor speed contr

See how integrating a flash tank inside a multi-stage compressor eliminates external piping, re

See how operation frequency detection and stop counting trigger oil recovery cycles to prevent

See how parallel orientation of compressor and heat exchangers along the L-direction reduces in

See how a segmented heat transfer plate uses aluminum-based alloy only where needed to cool the

See how monitoring the rate of change in motor current frequency components detects compressor

See how a valve assembly adjusts suction port location to vary volume ratio, enabling higher op

See how bifurcated passages and radial flow direction prevent refrigerant from hitting the shaf

See how pressure-based speed limiting prevents gas bearing sub-synchronous instabilities in HVA

See how monitoring oil pump parameters detects trapped oil in refrigeration systems and trigger

See how a compressor motor integrates refrigerant passages in the drive shaft and rotor to cool

See how a distribution conduit sprays heated lubricant onto the housing to cool oil before reci

See how a floating coil connecting device with axial and lateral movement enables direct motor

See how cascaded heat pump cycles with modular heat source interfaces generate industrial steam

See how signal processing removes shaft runout frequency components from rotational angle detec

See how rotation-state monitoring restricts feature-based estimation during motor transitions t

See how radial and axial projections limit elastic member deformation during severe vibration,

See how load-based resonance circuit activation and carrier frequency tuning reduce inverter sw

See how fixing suction, discharge, and injection pipes at vertical portions suppresses vibratio

See how adjustable-length silencing channels use lubricant-driven pistons to match exhaust puls

See how integrating an inverter and transformer in a cryocooler compressor unit enables variabl

See how temperature and pressure sensors predict oil content in heat pump compressors to automa

See how a flow-regulating valve adjusts lubricant supply based on real-time pressure differenti

See how dual heat exchanger groups with independent expansion valves cool electrical components

See how a shared tube/fin package integrates vapor compression and heat recovery heat exchanger

See how a reinforcing plate fastened to the hermetic terminal support plate enhances rigidity w

See how through-holes in the compressor block route lubricant to a rotor-stator gap, cooling th

See how ternary HFO-based refrigerant compositions reduce GWP below 150 while maintaining COP a

See how a low-modulus resin layer fills clearance between stator core and non-circular barrel,

See how a clearance between the movable scroll and floating member maintains oil flow during ti

See how asymmetric projections and cutouts at stator core connection parts balance resin flow d

See how housing grooves filled with heat dissipation material transfer heat from welded conduct

See how an inclined wall surface on the electrical insulation body guides stator windings to pr

A pivoting compressor discharge valve builds startup pressure for oil return, prevents evaporator freezing, and suppresses chatter.

An integrated motor casing and connection space encloses the drive shafts to stop refrigerant leakage and balance pressure in two-stage screw compressors.

Cooling liquid and economizer vapor injection at an intermediate compressor stage cut discharge temperature and raise refrigeration capacity.

A PM motor, direct-drive impeller, and magnetic bearings raise chiller compressor capacity while cutting gearing, friction, and maintenance.

Pressure-driven oil transfer with level-sensor valve control balances compressor and expander lubrication to prevent seizing in the refrigerant circuit.

An elevated discharge tube section uses gravity to block oil backflow in tandem compressors, preserving modal frequency and preventing resonance failures.

An internal heat exchanger and liquid piston compressor cut CO2 heat pump compression energy while recovering expansion work.

A suction-side nozzle or venturi draws uncompressed gas through the motor housing to improve compressor motor cooling with less efficiency loss.

Bypass pipes and pressure-reducing parts redistribute refrigerant and oil across compressors to prevent oil imbalance and abrasion.

A coaxial flash chamber mixes flashed gas with compressor flow to cut swirl and improve centrifugal chiller efficiency.

An axial piston transfer unit keeps top dead center aligned with the discharge valve as stroke changes, reducing dead volume and efficiency loss.

Subdivided tube groups and slab-to-slab fluid connections balance airflow and refrigerant flow, improving heat transfer and reducing frost variation.

Pressure-equalized compressor and expander casings use linked oil sumps and a regulating valve to prevent uneven lubrication and seizing.

A diamagnetic zinc frame blocks linear motor electromagnetic leakage while improving die-cast accuracy and reducing machining cost.

A parallel oil return path switches cooled oil back to the compressor when R32 discharge heat raises oil temperature or lowers viscosity.

Intermittent still and valve control separates compressor oil from evaporator refrigerant, cutting energy loss while preserving heat transfer.

Replacing HCFC-123 with cis-HFO-1336mzz lets chillers keep useful cooling capacity and efficiency while cutting GWP and ozone impact.

Drain passages return refrigerant from compressor bearings upstream of the impeller, improving oil-free cooling and lubrication without harming heat transfer.

A π-type silencer with stacked chambers and a communication path cuts CO2 refrigerant pressure pulsation while avoiding oil collection.

When overload protection is active, the control logic shields fluorine shortage detection to avoid false alarms in compressors.

Oil level sensors and switched return passages actively rebalance oil between compressors to prevent uneven lubrication and breakdown.

Pressure-relief bypass holes and a check valve help a scroll compressor suppress R1123 disproportionation while maintaining refrigeration reliability.

A variable throttle, capillary tube, and check valve control refrigerant pressure to prevent condensation without adding a second electronic valve.

A building-scale micro-CHP setup uses an engine and motor to drive AC compression, cutting grid losses, peak demand, and waste heat.

A liquid-backed balloon or bellows membrane compresses gas with lower power loss while preventing rubbing damage in cryogenic cooling systems.

Selective lubricant solvation suppresses HFO-1123 decomposition, enabling low-GWP heat cycle operation with better durability.

A housing cover with integrated passages feeds intermediate-pressure fluid to dual compression mechanisms, cutting energy use in climate control.

A housing cover routes intermediate-pressure fluid from one source to multiple cylinders, cutting energy use while limiting added compressor complexity.

Inverter switching timing adjusts reactive power injection to reduce pulsating current, preventing smoothing capacitor aging while maintaining compact design.

Internal flow paths and suction ports route refrigerant through the motor space to suppress temperature deviations among inverter elements.

Integral insulator projections constrain neutral point movement, eliminating separate guide members and reducing device complexity.

A control device monitors the temporal change rate of specific frequency components in a compressor to manage its operating state.

An accumulator resolves pressure differences to evenly supply oil to multiple compressors, preventing wear while simplifying the circuit structure.

A compressor piston unit uses a magnetic bridge and polymeric coating to drive linear motion.

Segmented suction pipe design prevents mixing of high-temperature gas with incoming refrigerant, maintaining low temperature and increasing circulating amount.

A hybrid vehicle climate control system adjusts electric compressor and cooling fan speeds to match thermal load.

Closed-loop circulation extracts thermal energy from MVR condensate via an external heat exchanger, enabling district heating applications.

A thermoelectric generator converts thermal gradients between compressor discharge and evaporator suction lines into electrical energy.

Resin protective tubes surround lead wires only where immersed in oil, preventing hydrolysis damage while maintaining insulation distance.

A suction muffler integrates a resonating chamber tuned to the container frequency to deaden valve vibration and gas ripple sounds.