Heat Pumps TRIZ Cases

A controlled hot-gas line directs generator vapor to the evaporator, reducing ice insulation without cooling the vapor in the condenser.

See how a heat pump evaporates ground water below 20 hPa and uses dynamic compression to achiev

See how adding a water-cooled condenser between compressor and air-cooled condenser reduces blo

LiCl absorption and liquid-desiccant regeneration enable cooling and dehumidification using heat at 80°C or below.

A porous matrix binds the active substance in a chemical heat pump, enabling phase change, constant reaction pressure, and improved heat transfer.

See how membrane-separated liquid desiccant systems eliminate overcooling and desiccant carry-o

See how condenser coil and ambient temperature comparison detects reversing valve mode inconsis

See how a bypass circuit increases refrigerant flow while reducing compressor frequency during

An injection circuit and internal heat exchangers stabilize refrigerant pressure and temperature to preserve hot-water capacity in cold air.

Rising adsorption temperatures reduce uptake; reactor switching uses a higher-capacity secondary unit to maintain cooling generation efficiency.

See how dual heat exchangers with selectable flow order enable subcritical CO₂ condensation, re

See how thermal coupling between condenser and heat circulation system redirects waste heat to

See how wet evaporation uses low-temperature air and refrigerant waste heat to concentrate anti

See how dynamic defrost termination temperature and timing adjustments based on heating cycle t

See how voltage switching between electrolysis and compressor modes enables in situ hydrogen ge

See how a refrigerant-coolant heat exchanger recovers waste heat from vehicle electronics to ma

See how a gravity-assisted heat pipe with underground heat exchanger and phase-change cold stor

See how dynamic refrigerant path switching in an outdoor heat exchanger optimizes flow rate and

A flow distributor and parallel capillary tubes reduce two-phase refrigerant pressure drop while improving heat-exchanger flow distribution.

See how synchronizing PWM signal frequency with inverter output voltage enables accurate two-ph

Temperature feedback varies circulating-water flow as tank heating approaches its target, improving efficiency and limiting heat-pump pressure stress.

A single water-refrigerant heat exchanger serves heating and hot water supply, simplifying installation while preserving service during defrosting.

See how dynamic evaporator fan speed adjustment reduces compressor power demand, improving heat

Variable blower speed uses outdoor heat-exchanger temperature and compressor speed to stabilize leaving air during heating.

See how a bypass passage and dynamic flow control prevent absorbent solidification while mainta

See how a membrane-covered absorber prevents absorbing liquid backflow into the evaporator duri

See how parallel flow rate control devices manage heat exchange and intermediate-pressure injec

See how a bypass valve assembly redirects refrigerant upstream to reduce thermal exchange, enab

See how sensor-triggered hot gas defrost cycles prevent frost and ice on thermodynamic solar pa

Separating refrigerant and heat medium circuits keeps refrigerant out of indoor units while reducing circulation energy and simplifying maintenance.

See how graphene and graphene oxide flakes resolve the contradiction between preventing active

See how a parallel refrigerant flow path separates gas and liquid phases to reduce pressure dro

See how a single intake duct serving both cold and warm air blowers reduces installation space

See how repositioning the freezestat between evaporator and hot water coils improves temperatur

See how a two-stage adsorption heat pump reuses desorption energy from the first device to driv

See how spirally twisted inner tubes with optimized gap width and segment count reduce heat exc

See how a free-piston Stirling cooler and automated robotic system reduce energy consumption wh

See how a heat pump with variable speed fan and brushless DC motor dynamically adjusts air flow

See how dual water-refrigerant heat exchangers in series reduce coolant temperature before rein

A series-connected coupling heat exchanger simplifies motor-vehicle thermal management, preserving flexible coolant operation and passenger-compartment cooling capacity.

Intermediate valve positions throttle heat-transfer fluid during sorption changes, improving heat recovery while preserving flow control.

Using hydraulic-circuit heat as a heat-pump source reduces traction-battery demand for mobile working machine cab heating.

Low-temperature heat pumps can struggle to produce mechanical work; this closed refrigerant cycle uses evaporation and condensation to drive a piston.

See how a flow-adaptive proportional coefficient stabilizes room temperature in variable-speed

See how a single internal heat exchanger with flow-switched passages achieves subcooling in bot

See how a variable-speed compressor adapts to fluctuating photovoltaic power, preventing shutdo

See how a unitary heat pump air conditioner uses waste heat and plate-type heat exchangers to p

See how auxiliary heating maintains heat absorber temperature during dehumidifying mode, elimin