Coolant Flow Control TRIZ Cases

Opposing roll screens driven by a single motor reduce air leakage and improve aerodynamic performance.

Stopping the electric pump until cooling water reaches a threshold prevents inaccurate thermostat failure diagnosis at cold starts.

Segmented outlet openings with movable sealing elements prevent leakage while enabling precise fluid distribution across diverse engine cooling circuits.

Rectangular valve housing openings accept diffuser-like connecting pieces, resolving space constraints while enhancing fluid system efficiency.

Flow altering structures thin the viscous fluid boundary layer, resolving heat transfer inefficiencies in high torque shear drives.

Integrating three-way and four-way valves with a single pump reduces device complexity while maintaining reliable temperature control for vehicle components.

Control unit prevents coolant boiling in exhaust heat collection devices by predicting temperature thresholds before closing the electromagnetic valve.

A hybrid vehicle thermal control system connects motor cooling circuits to the battery pack loop.

Segmenting the cooling loop into distinct temperature stages reduces thermal masks from large radiators while recovering waste heat.

A predictive control system adjusts coolant flow and fan speed to maintain EGR cooler performance during engine transients.

Expansion reservoir manages coolant flow between dual circuits using temperature-sensitive valves to restrict fluid movement.

A flap position sensing device integrates Hall sensors and permanent magnets into a resin casing to detect open, closed, and intermediate positions.

A rotatable closure element with an air guide wall directs cooling airflow to specific engine components.

A processing device calculates wake speed from preceding vehicle data to adjust active air flap opening degrees for adequate cooling.

An active piston-cylinder assembly pressurizes the cooling circuit independently of engine heat, enabling controlled pressure at cold starts.

A pressure-regulating valve spool isolates a deadheaded chamber from the main coolant flow to maintain precise fluid pressure.

A sound-insulating housing connects intake and muffler boxes to surround the engine duct member.

A dual shaft electric motor drives a radiator fan via its second end while coupling to an engine crankshaft through a reduction drive at the first end.

A spring-loaded coupling device disconnects the circulation pump from the crankshaft, eliminating mechanical energy dissipation during cold starts.

A three-way valve bypasses the engine to route fuel heater heat directly to the cabin, enabling pure electric drive below 15°C without excessive power draw.

An engine cooling circuit with a bypass valve routes coolant internally to eliminate tangled external lines.

A method determines coolant flow direction by measuring temperature differences between adjacent cooled components.

Segmented air flaps divert cooling flow in opposite directions to maintain uniform capacity distribution despite uneven cross-section occupancy.

A multi-stage fresh air inlet system directs airflow through perpendicular baffles to separate moisture from the intake stream.

Ground-level intake and exhaust openings direct airflow away from sterile field, resolving heat management complexity in compact mobile imaging devices.

Distance-based heat exchange in the cooling circuit stabilizes oil temperature while reducing fuel consumption from auxiliary fans.

Dynamic shutter positioning balances aerodynamic drag against thermal loads, enhancing powertrain efficiency without compromising cooling capacity.

Merging two vent necks into one cap eliminates manufacturing costs and prevents incorrect attachment errors.

A displaceable air guide sets slats to a partially open position below temperature thresholds.

A two-path cooling air arrangement with motorized flaps directs airflow through the heat exchanger, reducing aerodynamic resistance by optimizing intake angles.

A hybrid pump uses a dog clutch to switch between electrical and mechanical drive modes.

A cooling fan control device adjusts rotation speed upper limits based on detected air density to maintain heat exchanger performance.

A buffer zone with partitions isolates the fuel pump from cylinder heat, preventing gas bubble formation and maintaining reliable fuel delivery.

A radiator fan directs cooling airflow through a duct to the turbocharger wastegate actuator.

Electronic control adjusts fan speed based on temperature sensors, reducing noise and energy consumption from mechanical coupling.

An air guide plate channels cooling air downward along an exhaust muffler, enabling natural convection cooling after engine stoppage without external energy.

Airfoil-shaped blades on a rotating screen cut debris and create a tortuous pathway to reduce clogging in centrifugal fans.

A vehicle cooling circuit uses a spring-biased flow rate limiter to autonomously regulate fluid delivery across multiple branches.

A hydraulic fan device regulates cooling air volume using boost pressure signals to manage intercooler thermal load.

A heat providing member transfers thermal energy from engine coolant to melt ice on a vehicle fan shroud.

Adjusting radiator hysteresis timers using upcoming traffic data reduces power consumption and aerodynamic drag compared to reactive cooling systems.

A vehicle radiator grille controller moves adjustment members to permit air intake using voltage thresholds.

A thermostat fault diagnosis method analyzes current coolant temperature against boundary values to identify component failures without complex modeling.

Internal heating element prevents cold climate fuel gelling and improves combustion efficiency.

An electric pump control strategy adjusts motor speed and valve position based on inferred backpressure to maintain coolant flow.

An agricultural machine directs heated exhaust air away from the driver's cab using adjustable cover elements on the engine compartment.

Transverse power unit placement lengthens wheelbase without enlarging body size, resolving load balance and weight reduction trade-offs.

A vehicle cooling system circulates coolant through the engine and intercooler using a radiator fan when the engine is off.

A coolant pump and valve configuration regulates fluid flow through a heat exchanger based on inlet temperature signals.

An integrated reservoir tank assembly partitions inner space into separate chambers for distinct cooling circuits with coupled electric water pumps.