Compressor TRIZ Cases

Polygonal support units and nested anti-vibration ribs limit compressor vibration transfer across the dehumidifier, cutting operating noise.

A dual refrigerant circuit heats water efficiently while keeping compressor oil dissolved, avoiding auxiliary heaters and oil separation.

Separate DC-link capacitors let one AC input drive compressor and fan motors with low capacitance, reducing torque ripple and improving power factor.

A tetrafluoropropene blend cuts GWP and avoids ozone depletion while maintaining COP and capacity in refrigeration and air conditioning.

Rotating radial conduits and heat-transfer blades combine compression, condensation, and expansion to cut refrigeration energy demand and parts.

Returning LNG to the tank during standby cools the pumps in advance, cutting fuel-supply delay and stabilizing engine pressure and temperature.

By tracking load slope, field current, and engine speed, this case shows how transport refrigeration power avoids thermal damage and excess fuel use.

A hybrid film-electrolytic DC bus and staged d-axis current control keep HVACR compressor drives running across input voltages with lower losses.

Using HCFO-1224yd as a heat-cycle working medium cuts ozone and global warming impact while preserving combustibility suppression and cycle efficiency.

Multiple injection holes along the scroll flow path extend refrigerant injection time and improve cooling and heating performance.

Dual PID control uses stator and housing temperatures to regulate refrigerant flow, preventing overheating, undercooling, and condensation.

An expander directly drives a high-pressure compressor to simplify CO2 pressure regulation, add subcooling, and cut control losses.

Split suction chambers and an integrated economizer port raise the suction-to-economizer flow ratio, cutting valve losses while boosting cooling capacity.

A low-GWP refrigerant blend matches HFC-134a Mach number and compression ratio, enabling centrifugal compressor retrofit without hardware changes.

A mixed HCFO-1233zd(E)/HFC-245fa refrigerant balances low ODP and GWP with HCFC-123-like COP and higher capacity for chillers.

Heat storage and bypass refrigerant circuits enable defrosting during heating, reducing warmth loss while clearing frost efficiently.

An internal asymmetric pipe bend boosts centrifugal oil separation while avoiding hard-to-process sidewall insertion ports.

Stored compressor heat and timed bypass valves improve outdoor coil defrosting while limiting heat loss and pressure fluctuation.

A shared refrigerant loop condenses refrigerant in a purge tank so non-condensable gases can be vented without a dedicated compressor or controller.

A blended HFC-32, HFC-125, and CF3I refrigerant balances lower environmental impact with R-410A-compatible heat transfer and safety.

Parallel low-pressure cylinders switch between full-load and no-load modes to stabilize energy efficiency and heating capacity across temperatures.

Cooling compressor lubrication oil with a heat exchanger and refrigerant flow reduces piston friction and energy loss in sealed appliances.

Magnetic bearings remove lubricating oil from an R1233zd chiller compressor, limiting refrigerant decomposition and contaminant ingress.

An electronic controller switches a cooling compressor between grid power and natural gas to cut peak-hour cost, reduce grid loading, and keep cooling running.

Switching the anti-regenerative side element shares regenerative current with the reflux diode to prevent inverter overheating during field weakening.

Temporary CSSH threshold override lets tandem compressors ride through HVAC state changes and sensor faults without unnecessary shutdowns.

Arc-shaped twin vanes and coil springs cut roller contact abrasion while simplifying vane attachment in a rotary compressor.

Asymmetric motor current shifts piston start position to balance frictional loss, compressor efficiency, and peak freezing capacity.

Bypass pipes and flow control valves adjust refrigerant by compressor frequency to keep header distribution uniform and pressure loss low.

Dynamic inverter switching recovers waste heat to refrigerant or oil while reducing HVACR audible noise without fixed efficiency tradeoffs.

Real-time rack and condenser power tracking compares actual use with predicted benchmarks to flag inefficiency and cut refrigeration energy costs.

A removable Hall element on a circuit board cuts replacement cost and limits heat damage from rotor magnetic induction.

A low-GWP HFO and HFC-32 blend with specified refrigerant oil improves lubricity, stability, and cycle performance under heat and compression.

Adjusting compressor frequency and indoor throttling openings returns oil during heating without mode switching, protecting comfort and reliability.

A directed suction conduit keeps working fluid away from motor heat, preserving suction temperature and improving compressor efficiency.

A receiver-to-suction bypass valve uses superheat feedback to bleed gas refrigerant, preserving subcooling and reducing evaporator pressure loss.

Arc-shaped rotor magnet slots with end concaves balance magnetic flux, cutting vibration and demagnetization risk while preserving torque.

An insulating bracket around the motor bearing blocks shaft current, reducing electric corrosion, simplifying the structure, and lowering cost.

A delayed gas discharge valve and storage tank reroute refrigerant during outages to protect crossover piping and keep tank pressure low.

Direct endoscope access through a sealed flange opening pinpoints turbomachine cracks without disassembly, cutting downtime and inspection labor.

By sensing refrigerant temperature after motor or compressor preheating, HVAC&R systems can run lower superheat with less flooding risk.

Series accumulators with a larger first chamber and larger second oil return hole curb liquid backflow while maintaining compressor oil return.

A lead-compressor oil feed with restricted non-lead inlets balances sump oil and suction pressure in parallel scroll compressors.

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

A digital valve between suction and high-pressure volumes enables stepless compressor capacity control, cutting peak loads and improving efficiency.

Independent low-speed shutdown control draws oil back in parallel compressors, removing equalization hardware and maintenance burden.

Discharge superheat feedback adjusts compressor speed to prevent flood back and overheating while maintaining efficient refrigeration operation.

A bypass hole, check valve, and polyvinyl ether oil help stabilize R1123 refrigerant while lowering GWP and discharge temperature.