Coolant Flow Control TRIZ Cases

A mechanical variator decouples fan speed from engine rotation, reducing power consumption and noise while maintaining reliable thermal management.

A vehicle control module maintains coolant pump operation during network faults by using stored target values and increased battery voltage.

A pneumatically-operated cooling pump uses a shutter mechanism with static seals to regulate coolant flow.

Restricting torque converter turbine motion during idle conditions transfers waste heat to cold components, reducing fuel consumption and carbon buildup.

An external barrier assembly regulates coolant flow through a bypass port, preventing pressure drops in main engine cooling passages.

Shield member partitions air intake chamber to intercept direct sound, preventing leakage without enlarging installation space.

Dynamic shutter control reduces aerodynamic drag while regenerative braking recovers kinetic energy, balancing cooling needs against efficiency.

Temperature sensors and controllers adjust ventilation shutters to reduce fan power consumption while maintaining engine cooling effectiveness.

A cooling water control apparatus manages heat transfer to isolate temperature variations for precise valve state monitoring.

A wind shielding member blocks cooling airflow from a blow-by gas connection tube, preventing liquid freezing in cold prime mover environments.

Reducing fan solidity to under 40% lowers ram air resistance while maintaining static pressure for heavy duty truck engine cooling.

Segmented cooling loops with dynamic valves resolve the contradiction between precise temperature control and system complexity in electric vehicles.

Smooth convex walls minimize turbulence to increase airflow rates, resolving low-speed cooling inefficiencies in restrictive engine compartments.

An MRF clutch replaces fixed engine coupling with variable torque transfer, eliminating parasitic power losses from constant-speed pumps.

Dual sealing disk units with overlapping flow openings enable precise fluid control in compact valve housings.

Active grille shutters adjust opening based on coolant temperature rate of change to prevent engine overheating while minimizing aerodynamic drag.

Integrated bimetal valve in stacked plates controls fluid flow, reducing component count and assembly complexity for vehicle thermal management.

Control system detects stuck cam states and applies oscillate or ramp torque to restore coolant flow.

Lateral eccentricity reduces actuation force while preserving long-term tightness against high fluid pressure.

A wax-type thermostat opens a branching passage to redirect coolant flow through the radiator.

A rotary valve coolant distribution module manages fluid flow through segmented control openings in a hollow cylinder structure.

Binder-free cellulose sponge expands via hydrophilic action to regulate cooling water flow, eliminating binder contamination and simplifying manufacturing.

Segmenting the air guide into front and rear portions isolates movable flaps from direct impact, reducing fragility while maintaining aerodynamic efficiency.

A mechanical device adjusts engine cooling fan speed using movable half-pulleys and a belt drive system.

A control unit suppresses upper limit fan speed during acceleration to free engine horsepower.

A predictive auxiliary load management system adjusts electric coolant pumps and fans based on real-time thermal data.

An orifice plate adjusts fan speed based on hydraulic flow to prevent overcooling while maintaining separate lubricant and hydraulic circuit isolation.

Injecting water into the turbine inlet cools exhaust gases and prevents thermal degradation during high-load engine operation.

A modular cooling medium circulation device integrates a reservoir tank and water pump with a single controller to reduce system weight.

An iterative thermal model estimates engine coolant temperature using operating parameters and heat exchange calculations.

A vehicle heating system captures thermal energy from a charge air cooler to warm the interior cabin without auxiliary components.

A vehicle cooling fan controller locks the motor based on refrigerant pressure changes to prevent freezing damage.

Dual actuators drive a vehicle ventilation flap to enhance rotational movement and structural stiffness, reducing jamming from air pressure on large surfaces.

A vehicle coolant control system dynamically adjusts engine coolant pump speed based on real-time heat input to maintain optimal flow.

A vehicle cooling system connects an AC condenser upstream and an evaporator downstream of the radiator to actively lower coolant temperature.

Segmented coolant paths and dynamic bypass valves regulate flow to maintain reliable operation during start-up while recovering thermal energy.

Dynamic electric water pump control reduces fuel consumption and warm-up time by adjusting coolant flow according to engine load and temperature.

Heating elements melt ice blocking vehicle cooling slats, preventing motor overload and maintaining engine temperature control.

A method calculates engine compartment thermal energy balance to predict temperature curves and activate the cooling fan only when necessary.

Differentiating mechanical and sensor faults in active grille shutters using stall current analysis to preserve fuel economy benefits.

Metal fastening members with lower linear expansion coefficients than the resin housing suppress axial force deterioration caused by thermal stress.

Dual compressors and coolers use lower-temperature coolant for intermediate cooling, reducing thermal load on the second stage.

An alternator controller activates engine room cooling fans to reduce thermal stress, preventing power instability and extending component durability.

An insulated expansion vessel stores heat from the cooling circuit to reduce fuel consumption and production costs during engine startup.

A slip mechanism couples a fan to an output shaft, enabling integral rotation under low load conditions.

Segmented coolant reservoirs with bypass valves divert flow around the surge tank, reducing engine warm-up time and improving fuel economy.

Reversing fan rotation clears debris from heat exchangers, maintaining cooling efficiency without manual intervention.

A fan clutch assembly integrates a piston-based lubrication return passage with an anti-tamper device to secure bearing loads.

A thermostatic valve divides coolant flow between a radiator and bypass line to regulate charge gas temperature in internal combustion engines.