Rotary/Oscillating Piston Combinations For Elastic Fluids TRIZ Cases

See how a twin compressor with height-to-radius ratio under 1 uses R-290 refrigerant, flame det

See how preliminary frequency adjustment before cylinder switching prevents pressure fluctuatio

See how a single primary pump unit replaces multiple turbopumps and backing pumps to capture, c

See how integrated electronics in a refrigerant compressor housing enable parameter acquisition

See how a band-and-holder mechanism with dimensioned recessed portions prevents accumulator det

See how variable-lead screw rotors with increasing lobe tip thickness suppress high-pressure ga

See how dynamic upper-limit frequency adjustment prevents fan motor overcurrent by adapting to

See how a deflection portion inside the refrigerant discharge chamber redirects flow to prevent

See how a partition plate with deflection portion redirects refrigerant flow to prevent liquid

See how a partitioned accumulator with dual-chamber design and differential oil return holes pr

See how liquid-vapor separation supplies working fluid to bearings, eliminating oil buildup and

See how an integrated heat exchange flow path adjusts compressor lubricating oil temperature to

See how symmetrical fixing units and an intermediary seal member prevent refrigerant ingress at

See how a polar-anisotropic permanent magnet with non-magnetic rotor frame eliminates the back

See how inverter component placement on the circuit board minimizes radial projection and housi

See how a single compressor handles both high and low-temperature refrigerants through independ

See how selecting PTFE, PPS, or polyamide sliding members and optimized refrigerant oil surface

See how amperage and suction pressure monitoring detects feedthrough melting conditions in tran

See how increased heat capacity in metal discharge pipes and intake sections prevents rapid tem

See how a carrier plate cast in thermally conductive compound contacts a fluid-filled actuator

See how a low-pressure chamber design isolates motor and pump assemblies to prevent thermal exp

See how a rotating member in the discharge space generates centrifugal force to separate lubric

See how a communication hole in the refrigerant discharge pipe enables oil separation without a

See how a hollow drive shaft integrates cooling and lubrication flow paths to reduce pressure l

See how a medium pressure passage connects compression cavity to back pressure chamber, prevent

See how a scroll compressor uses two temperature sensors—one measuring refrigerant directly, on

See how measured rotor-to-bearing distance and a protection coefficient set adaptive air gaps t

See how discharge and suction temperature sensors calculate superheat values to detect refriger

See how a bypass valve with electromagnetic control balances compressor pressure between exhaus

See how throttle valves regulate coolant flow through intercoolers to maintain optimal air-end

See how an upper compression compressor uses a rotating member and centrifugation space to redu

See how throttle valves regulate coolant flow to each intercooler independently, preventing clo

See how a model-based capacity staging system predicts HVAC load using outdoor temperature alon

See how dynamic compressor-body number control uses discharge pressure rate of change to preven

See how phase difference control between 1n and 3n frequency components reduces accumulator vib

See how dual temperature sensors—one measuring refrigerant directly, one on the discharge tube—

See how a twin-cylinder design with optimized roller height-to-radius ratio and 5GSD mineral oi

See how an L-shaped door with asymmetric legs allows wheelchair users to enter parallel to the

See how a dual-layer soundproofing structure with an air gap prevents contact noise between ins

See how a pressure-controlled switching mechanism loads or unloads cylinders dynamically to imp

See how supplementary vapour injection into expansion chambers enables vane expanders to handle

See how a radial flow path guide with outlet toward the rotation shaft uses centrifugal force t

See how current-sensing diagnostics detect reverse rotation in constant-speed compressors durin

See how ribs in the suction passage reduce refrigerant flow rate and separate oil droplets, pre

See how intermediate coolant feed between intercooler and aftercooler stages enables heat recov

Staggered startup and valve throttling reduce pressure inversion and compressor wear in a two-stage freezer refrigeration cycle.

A shared suction line, bypass conduit, and oil conduit balance pressure and lubrication between dual compressors in a reversible heat pump.

Coordinated injection on/off and high-stage capacity control keeps compression ratio, efficiency, and capacity stable across changing conditions.

Series or parallel compressor switching varies refrigerant discharge with constant-speed motors, cutting air conditioner cost and energy use.

Dimension ratios for cylinder height, eccentricity, crank diameter, and sliding length cut leakage and sliding losses in rotary compressors.

A variable-section crankshaft connecting part cuts sliding loss while preserving rigidity in a compact multi-cylinder rotary compressor.

An oil separator and motor-driven oil pump return lubricant without refrigerant backflow, improving cooling capability and compressor reliability.

An external oil separator and dual oil pumps return oil below the casing oil level to block refrigerant backflow and sustain cooling capacity.

A segmented oil hole and groove path feeds bearing surfaces directly in a scroll compressor, cutting friction loss and refrigerant leakage.

A rotor-end oil separator plate centrifugally removes oil from intermediate-pressure refrigerant gas, cutting oil circulation and protecting efficiency.

A riveted oil separation plate with a central cylinder and curved disk cuts material and assembly time while maintaining refrigerant oil separation.

A self-contained refrigerant cycle mounts on a processor to improve heat transfer where space and connectivity limit conventional cooling.

A localized potting damper weight shifts inverter resonance away from engine vibration, protecting solder joints while keeping the assembly detachable.

A pressure-driven sliding vane shifts between single- and two-stage compression to sustain heating capacity, efficiency, and lubrication under load.

A blower-driven intermediate flow builds startup pressure in a compressed gas dryer, limiting zone leaks and avoiding dew point peaks.

An elastic seal closes the insulator-to-casing gap to stop refrigerant convection, preserve power recovery, and avoid thermal expansion damage.

Separated expander and generator cavities use evaporating liquid refrigerant to cool the generator while preventing ORC refrigerant leakage.

Insulated end plates and wiring-board pouring cavities let solidified resin cover exposed stator connections, reducing leakage in high-voltage compressor motors.

Adjusting magnets on each coupled shaft correct angular misalignment and damp torsional vibration, keeping vacuum pump motors synchronized.

A single connector combines power, ground, and temperature sensing to simplify dryer terminal installation and improve grounding reliability.

Targeted ribs aligned with shrink-fit surfaces suppress stator housing deformation, preserve gasket sealing, and avoid excess compressor weight.

An oil-tight motor jacket contains vacuum pump oil leaks without dynamic seals, cutting seal complexity, cost, noise, and vibration.

Multiple hermetic terminals, bus bars, and linking cables raise current capacity without adding external cables or installation complexity.

Separated rotor cooling holes route refrigerant to permanent magnets, limiting demagnetization and stabilizing electric compressor motor performance.

Switching elements and discharge resistors cut motor residual voltage during high-voltage connector detachment, reducing electric shock risk.

Opposed rotor balancing weights use radial dead space between stator and housing to correct imbalance without increasing compressor axial size.

A fluid-tight separating can isolates energized motor parts from refrigerant, reducing ignition risk while preserving motor cooling in EV compressors.

Intermediate-pressure refrigerant injection boosts scroll compressor discharge while a compact valve assembly improves sealing and port layout flexibility.

Integrated air conduits and a stator-holding enclosure cool the motor and electronics while reducing EMI and assembly complexity.

By moving the noise reduction element outside the circuit board and integrating connectors, this inverter layout cuts compressor size, weight, and cost.

An integrated stator cluster directly links motor windings to sealing terminal pins, cutting welding steps, assembly time, and cost.

Notches and a removable cover keep crossover wires from projecting outward, preserving insulation distance in compressor motors.

Refrigerant routed through the rotor balance weight, cover, and core cools the magnet and prevents demagnetization during compressor operation.

Curved resin shrink-fit surfaces create end gaps that fill gradually, reducing burrs and improving compressor stator fixing reliability.

Varying rotor flow hole dimensions creates built-in balance adjustment, cutting parts and axial size while cancelling centrifugal forces.

Refrigerant injection devices at both shaft ends distribute flow to the stator and rotor for more uniform motor cooling with lower overheating risk.

A brake pump layout places suction and discharge channels to route fluid away from the ECU, preventing leakage while saving sensor installation space.

A protection member covers motor wire facing the intake port, blocking refrigerant-borne contaminants that could scratch the coil.

Through holes and stepped cover surfaces keep stator leads insulated while letting fluid reach coil ends for cooling in a compact electric compressor.

Relocating the support plate to the motor chamber improves hermetic sealing, avoids inverter interference, and keeps the compressor compact.

Axially nesting high- and low-voltage connectors inside the inverter housing cuts compressor width growth and shields connectors from impact.

Variable restrictors and bypass valves isolate chamber pump-down events, limiting manifold pressure fluctuations in vacuum systems.

Sensor feedback stops reactive gas at the right time to clear vacuum pump deposits while limiting base-material corrosion.

Sensor feedback stops reactive etch gas when deposits are cleared in a vacuum pump, improving removal while limiting base material corrosion.

Adjusting magnets generate counter-torque to keep dual vacuum pump motor shafts synchronized, damping vibration and avoiding wear at high speed.

Temperature-based rapid, low-acceleration, and reverse starts help a fuel cell pump break ice adhesion and reduce oil viscosity at cold startup.

Core-cut refrigerant passages in the stator reduce pressure loss, limit oil loss, and preserve motor performance in high-capacity compressors.

An annular sealing element around the stator also guides refrigerant flow, improving compressor heat dissipation and reducing energy loss.

Housing pass-through oil channels replace external lines in a motor-driven compressor, cutting leak points, size, and assembly cost.

A compressively deformed annular seal closes the terminal-cover gap to block gas and liquid intrusion in sealed compressor structures.

Pressure-controlled condenser and root vacuum pump staging cuts power and water use while maintaining condenser vacuum in air-cooled generators.

Placing hydrogen tanks above the engine room improves heat separation while narrowed cover sections preserve rear visibility in wheeled loaders.

Common-mode choke coils and a smoothing capacitor improve inverter-side damping, suppress resonance peaks, and reduce DC power noise.

Rotating gearwheels create venturi suction inside the transmission to remove leaked air and lubricant, keeping pressure low without external power.

Offset coupling members rotate to align misaligned vacuum pipes without bellows stress, improving sealing and heater heat distribution.

A resin sliding layer with highly graphitized spherical graphite helps scroll compressors replace roller bearings while reducing wear, seizure, noise, and vibration.

A rolling third-bearing support lets the second scroll move radially, cutting stress and improving compressor reliability under varying conditions.

An intermediate support lets a compressor fluid guide be welded securely despite casing thickness differences in high-pressure CO2 systems.