See how connecting the oil discharge pipe upstream of the pressure reducing element stabilizes
See how a polymer shim layer between planar springs mitigates fretting fatigue at connection po
See how a floating-body bypass valve enables rapid pressure equilibrium in stopped compressors,
See how a low-rigidity region with thin portions around welding pin holes suppresses plastic de
See how a partition with air passages routes condenser air through the control section to cool
See how controlling refrigerant flow speed in upward-flow pipes prevents oil accumulation and e
See how catalyzed graphene and nanoparticles in refrigeration circuits boost COP by 29% and coo
See how a blend of HFC-32, HFC-125, CF3I, and HFO-1234yf achieves non-flammability and R-410A p
See how a shared intermediate plate with elastic members reduces implementation area for multip
See how variable-speed compressor control maintains pressure differentials to drive oil flow be
See how a ternary mixture of R32, R125, and R134a achieves non-flammability and refrigerating c
See how a three-mode cooling system drains oil from low-side heat exchangers into vessels, then
See how a dual-cylinder compressor with on-off pressure relief and leak-free valve preserves re
See how a centrifugal compressor routes pressurized fluid through the motor assembly for self-c
An embedded partition plate enables two-stage screw compression in one housing, cutting parts, cost, and installation complexity.
See how a rotary compressor with BLDC motor and operative shell dissipates heat and absorbs 4-1
See how a reciprocating piston extracts oil-containing refrigerant from evaporator and compress
By raising superheat and compressor speed at startup, the system heats the oil sump quickly to limit refrigerant condensation and protect lubrication.
See how temperature and pressure sensors in the sump detect refrigerant dilution in lubricant,
See how positioning the injection pipe at a lower height in the refrigerant reservoir uses CF3I
See how evaporator power adjustment maintains oil-refrigerant temperature differential to preve
See how a decoupled bearing and ferromagnetic rod design counteracts motor side loads, reducing
See how a flexible thin-plate seal elastically supported by a mesh or bump foil adapts to shaft
A CF3I-based HFC-32/HFC-125 blend cuts GWP below 427 while preserving non-flammability and R-410A system compatibility.
See how dual-mode motor control increases heat pump heating capacity by recovering motor heat l
See how dynamic adjustment of compressor frequency and expansion valve opening prevents refrige
Opposite twist regions in a rotary compressor oil paddle raise and lower oil to prevent gas-hole leakage while improving lubrication and sealing.
A copper joint links a stainless steel refrigerant pipe to a copper thin tube, simplifying brazing while reducing cost and strength loss.
See how dual lubrication flow paths extract refrigerant from condenser or evaporator to lubrica
See how a pressure regulator with storage cavity buffers refrigerant flow in variable-volume co
See how a heat-transfer mechanism absorbs waste heat from power and control electronics and fee
See how a fixed baffle plate blocks spiral gas flow in rotary compressors to reduce oil fluctua
See how differentiated pin positioning and holding forces stabilize the arm structure in scroll
See how a refrigerant bypass line recombines liquid-state refrigerant upstream of the compresso
See how a valve block integrates filter, valve, and sight glass into one solid body, cutting re
See how a wear-resistant shaft sleeve and high-viscosity lubricant blend with additives reduce
See how a heat pump distillation system recovers heat from distillate to preheat feed solution,
See how inlet guide vanes positioned by pressure-based preconditions prevent reverse rotation i
See how combustion-driven liquid pumping achieves near-isothermal gas compression, cutting ener
See how merging injection and refrigerant circuits within a single casing eliminates separate l
See how optimizing piston weight, center of gravity, and moment of inertia reduces vibration pr
See how flexible brush seal bristles reduce leakage flow between rotary and static compressor c
See how pre-charging nitrogen in the heat source unit before transport prevents moisture and fo
See how direct refrigerant transfer with weight measurement eliminates factory regeneration tri
See how a pressure-tight pump chamber with magnetic coupling eliminates mechanical feedthroughs
See how a receiver stores and recovers compressor oil during cold-region heating to prevent oil
See how a bracket cavity and multi-arm structure cancel mutual vibration responses to reduce co
See how a sandwich evaporation assembly integrates preheater, evaporator, and radiator to impro
See how elongated bracket members fastened to evaporator tube sheets reduce vibration transmiss
See how a parametric formula for stator slot depth and tooth width ratios reduces silicon steel