A heat engine and heat pump recover thermal energy for heating and cooling while generating on-site electricity independently.
A heat engine and heat pump recover thermal energy for heating and cooling while generating on-site electricity independently.
See how a dual-inlet micro-channel outdoor heat exchanger reduces pressure loss in cooling mode
See how a radial back iron flux path between segmented magnets reduces magnet size and cost whi
Learn how spaced horizontal pipes move ground-source heat exchange into shallow trenches with less land and excavation.
See how modular heat exchange units connected by joint units scale heat transfer area without i
A heating-water return heat exchanger captures power-electronics waste heat, lowering heat-sink temperatures and condensation during cooling.
See how electromechanical actuators with selectable dwell periods replace crank-driven displace
An artificial tornado amplifies condensation-driven suction to draw in superheated vapor, boosting pressure and improving heat-pump efficiency.
See how a ternary mixture of R32, R125, and R134a achieves non-flammability and refrigerating c
Routing generator combustion fumes through the evaporator recovers heat, preheats outside air, and supports lower-cost heat pump installation.
See how a two-stage heat pump with subcooling heat exchanger prevents cavitation when using wat
See how positioning pressure relief and air purge valves outside the outdoor unit casing preven
See how V-shaped air heat exchanger modules and segmented refrigeration cycles reduce installat
An air-and-underground heat pump controller compares calculated exchange amounts, not temperature alone, to choose single- or dual-source operation.
See how a three-way valve and second heat exchanger dynamically adjust high-side volume to main
See how two-phase refrigerant injection into the compressor maintains heating capacity and cont
See how a finned evaporator with integrated subcooler coil heats the condensate pan to prevent
See how a central outdoor unit serves both ducted and ductless indoor zones with gas furnace ba
Restricted refrigerant routing isolates the unused indoor coil, allowing a dedicated evaporator coil to improve heat transfer in cooling mode.
See how Z-1,1,1,4,4,4-hexafluoro-2-butene enables heat pumps to operate at higher condenser tem
See how a movable discharging door with multiple holes reduces air velocity and selectively mix
See how a reheat heat exchanger and 3-way valve enable heat pumps to dehumidify air without ove
This dual-cycle heat pump reuses power-generator waste heat for heating while regulating cooling flow to prevent over-cooling in cold seasons.
See how separating heat generation and absorption loops with a water-cooled condenser enables i
See how parallel main and auxiliary compressor units with variable capacity modes improve ultra
Selective ordering of remote-fluid and ambient-air heat exchangers helps optimize condensing temperature and reduce compressor work in CO2 refrigeration.
See how a gas trap with colder working liquid flow accumulates foreign gases in low-pressure he
See how a double-rowed outdoor heat exchanger uses a switching unit to maintain countercurrent
See how a heat pump system recovers thermal energy from exhaust air to preheat wash liquids, re
See how dynamic decompressor opening and pumping capacity control maintain heating capacity dur
See how valve-controlled refrigerant routing between air and geothermal heat exchangers optimiz
The heat pump activates a second use device under selected conditions, creating heat exchange opportunities between cooling and hot water operations.
See how axial through-holes in a rotor magnet enable internal resin anchoring, preventing therm
See how inverter-controlled high-frequency voltage heats the compressor motor based on temperat
See how a four-component HFC/HFO refrigerant blend reduces global warming potential while maint
A third expansion valve, gas-liquid separator, and bypass path sustain refrigerant circulation and radiator heat release during low-temperature heating.
See how segmented convective and radiant indoor units resolve the contradiction between rapid c
A shared expansion valve links three heat exchangers to combine air conditioning and domestic hot water in one six-mode heat pump.
See how sequential control of electronic expansion and solenoid valves suppresses refrigerant f
Vapor surges from a phase separator preheat the evaporator, limiting frost buildup and reducing defrosting energy in heat pump operation.
See how hollow-duct evaporators and vapor compression refrigeration replace high-velocity air c
Phase-change heat transfer replaces large adsorber temperature swings, reducing sensible heat loss during cooling generation.
Preinstalled communication pipes plus one new intermediate line enable parallel cooling and heating while simplifying air-conditioner retrofit work.
See how a heat pump with phase change substance storage and active recovery maintains heat tran
See how a specific blend of R134a, R32, and R125 reduces operating pressure by 75% and power co