Liquid Cooling TRIZ Cases
- Active Underbody Airflow Management for Vehicle Cooling
Dynamic shutters adjust opening size based on engine load to resolve the trade-off between cooling efficiency and aerodynamic drag.
- Hydrogen Engine Piston Cooling via Dynamic Oil Spray
Oil spray apparatus maintains piston crown temperature within safe limits to prevent pre-ignition and material degradation in gaseous fuel engines.
- Undulating Cooling Jacket Base for Cylinder Liner Distortion
An undulating cooling jacket base distributes mechanical loads from cylinder head bolts while minimizing thermal gradients and liner distortion.
- Vehicle Engine Cooling Fan Shroud with Rotary Shutter and Flaps
A vehicle engine cooling fan shroud integrates a rotary shutter and flaps to regulate airflow into the engine compartment.
- Vehicle Cooling System Common Equalizing Container
A vehicle cooling system shares a common equalizing container between circuits using a passive element for separation.
- Two-Stage Plate Heat Exchanger for Sequential Fuel Heating
Segmented stages enable sequential fuel heating via cooling water and lubricant oil, resolving poor combustion efficiency in low-temperature environments.
- Outboard Motor Battery Placement and Cooling
Nesting the battery within the engine cover reduces compartment size while protecting the unit from environmental influences and vibration.
- Outboard Motor Coolant Discharge via Segmented Channels
Segmented channels and independent valves enable rapid coolant discharge in outboard motors, resolving flow interference between intake and exhaust paths.
- Engine Cooling Structure Spacer Segmentation
Segmenting the water jacket via a spacer eliminates dead spaces, ensuring uniform cylinder liner cooling and stable auto-ignition combustion.
- Engine Cooling Control System Pressure Management
A cooling control system mixes high and low temperature coolant between engine and intercooler circuits to balance pressure differentials.
- Engine Thermal Management Valve Control via Differential Pressure
Dynamic valve control manages coolant flow rates and reduces excessive differential pressure loads on stem parts for improved fuel efficiency.
- Cylinder Block Ringed Coolant Passage Thermal Stress Management
Partitioning members with higher thermal expansion coefficients segment a ringed coolant water passage, preventing breaking stress during warm-up cycles.
- Multi-Cylinder Compressor Cooling Block Nozzle Design
Segmented nozzle design delivers targeted coolant spray to prevent piston overheating during high-demand compressor operation.
- Water-Cooled Engine Cylinder Block Guide Walls
Segmented guide walls route coolant through inter-bore paths to improve heat absorption without increasing engine length.
- Vehicle Temperature Control Circuit Pressure Holding
A vehicle temperature control circuit uses a liquid pressure holding unit to maintain non-conductive medium pressure above a set threshold.
- Hybrid Vehicle Cooling System with Shared Radiator
A shared radiator system uses movable partitions and actuated valves to direct refrigerant flow between thermal engine and electric component circuits.
- Automobile Exhaust Heat Storage Device for Rapid Engine Warm-up
Exhaust heat regenerator stores thermal energy in a coolant loop to accelerate engine warm-up, eliminating time delays in passenger compartment heating.
- Cylinder Head Cooling Channel Embracing Ports
Embracing coolant channels extract heat from thin necks, preventing thermal accumulation while maintaining large port dimensions for gas flow.
- Vehicle Cooling Device Path Switching for Idle Reduction
Electric water pump circulates coolant through a selectable first path including the heater core and radiator.
- Integrated Vehicle Heat Management System for Engine and Transmission
An integrated heat management system coordinates engine cooling water and automatic transmission fluid circulation through a multi-port control valve.