Heat Pumps TRIZ Cases

See how nesting evaporator and condenser spaces in an interleaved arrangement reduces heat pump

Frequent valve operation complicates vehicle thermal systems; a centralized energy module manages battery cooling and heating while reducing noise and vibration.

Header pipes and hot gas valves redirect refrigerant across segmented units for cooling, heating, and uniform defrosting.

See how pressure control in the refrigerant-side flow path prevents heat exchanger freezing whe

See how vertical airflow circulation in a heat pump load unit prevents combustible refrigerant

See how a porous expansion mechanism and dual-valve control suppress refrigerant flow noise in

See how aggregate current sensing with frequency-domain analysis reduces sensor count while ena

See how a magnetic piston-coil converting unit extracts surplus pressure and heat from compress

See how dual indoor unit types—convective for rapid cooling and radiant for comfort—share one r

See how membrane-separated liquid desiccant systems eliminate carry-over, reduce reheat energy,

See how a hydrophobic membrane surrounding the heat exchange section prevents absorbing liquid

An input-current and temperature-aware controller shifts dual choppers between modes to share current, limit variation, and reduce power losses.

See how a piston-magnet-coil assembly converts surplus heat and pressure from a heat pump compr

See how a dual-circuit heat pump with thermal accumulator and switchable electric heating preve

Single- and dual-compressor modes preserve cold-weather heating capability while reducing excess operation in warmer conditions or at lower target temperatures.

A downstream exchanger adds a second refrigerant-cooling stage and routes recovered heat to water or floor heating systems.

See how rotor position estimation and adaptive high-frequency voltage resolve insufficient heat

A controlled hot-gas path heats the evaporator above normal operation, thawing ice on the outside air heat exchanger and sustaining heat supply in cold conditions.

See how nesting geothermal loop pipes within wastewater conduits reduces excavation costs and u

See how a heat pump connected downstream of a heat exchanger recovers thermal energy from 20°C

See how nesting a plate-type subcooler with the accumulator in width-direction overlap reduces

Parallel refrigerant paths balance main and auxiliary heat-exchanger flow to limit frost, reduce pressure loss, and improve evaporation capacity.

See how dividing a single refrigerant into multiple pressure-staged streams reduces compression

See how positioning pressure relief and air purge valves outside the outdoor unit casing direct

See how dynamic condensing temperature control maintains optimal intervals above fluid temperat

See how three-phase high-frequency inverter control heats the compressor without rotation, redu

See how waste heat from a vapor compression cycle powers a freeze point suppression cycle to re

See how a heat pump system uses dual usage units to heat aqueous medium and cool air medium, ut

See how a membrane reactor integrates heat absorption and product separation to eliminate disti

See how variable-width corrugated passages control freezing location in plate heat exchangers,

See how direct contact air-brine heat exchangers with porous pads and hygroscopic brines balanc

Conventional heat pumps struggle above 60°C; an HFC or HFO transcritical cycle enables external-fluid heating up to 150°C.

See how a non-reversing valve arrangement maintains counter-flow thermal exchange in both heati

A pump drives groundwater across a borehole heat exchanger, improving heat transfer while keeping closed-loop fluid and water sources separated.

See how a switchable flow path enables heat exchangers to operate in series for high heat trans

See how an overheating heat exchanger with bypass control raises compressor discharge temperatu

See how hollow elongated damping ribs and axial damper placement reduce compressor vibration tr

See how a reaction suppression unit in the refrigerant circuit prevents HFO and HCFO isomerizat

See how HFO-153-10mzzy replaces CFCs and HCFCs in high-temperature heat pumps, reducing global

Future hot-water demand and energy prices guide predictive set-points that reduce heating energy while preserving thermal comfort.

See how a rotating rotor switches adsorption and desorption processes without valves, reducing

See how a single intake duct supplies both blowers in a vehicle heat pump, reducing system size

See how solenoid valve switching during compressor shutdown prevents refrigerant stagnation and

See how an intermediate heat-medium circuit confines refrigerant to outdoor units, reducing lea

See how a refrigerant heat pump with condenser, evaporator, expander, and compressor increases

An ice-slurry reservoir extracts latent heat, removes formed slurry, and supports compact heat-pump storage with flexible waste-heat use.

See how a dual-compressor refrigeration device with intermediate air supply and segmented throt

See how a polyalkylenimine primer layer and carboxylic acid binder enable MOF coatings to maint