Liquid Cooling TRIZ Cases

Heat-expandable rubber components expand against coolant passage walls to prevent displacement and maintain intimate thermal contact.

A cooling system uses a motor-operated valve to bypass the thermostat and control coolant flow between an engine and heat exchangers.

Flat surface port arrangement simplifies six-face machining while internal routing maintains compact structural geometry.

A cylinder head uses a tapered recess to direct coolant flow between partial cooling chambers.

A cooling device adjusts coolant flow paths based on cylinder head temperature to manage heat transfer rates.

Continuous coolant circulation prevents intercooler overheating and nitrogen oxide emissions during automatic engine stop cycles.

A piston ring gap and cylinder bore recess bridge to allow controlled gas leakage between the combustion chamber and crankcase.

Positioning the water discharge passage below the oil cooler and forward of the crankshaft center axis utilizes gravity to drain cooling water when tilted.

A piston cooling nozzle integrates a tubular guide sleeve to center the valve and direct fluid flow.

A control apparatus calculates required cooling water flow rate based on intercooler efficiency and gas flow parameters.

A segmented liquid cooling circuit directs coolant flow to engine heads or blocks using independent pumps and valves.

Separate cooling water passages in a twin entry turbocharger turbine housing maintain lower temperatures in specific scroll chambers to reduce thermal stress.

Segmented showerhead apertures spray cooling oil as multiple jets to distribute fluid uniformly, reducing hot spots without increasing pump energy expenditure.

A single circulation circuit with multiple pumps and switching valves manages heat medium flow between vehicle components.

Segmented cooling circuits and dynamic valves route heated coolant from an integrated exhaust manifold to maintain optimal engine temperatures under high loads.

Preheating the thermostat via controlled heater power eliminates wax response delays and prevents abnormal temperature rises during abrupt thermal load changes.

Cooling fan speed adapts to engine output mode, reducing fuel consumption and noise while maintaining radiator performance.

Dynamic rotary shutter and flaps modulate engine compartment airflow area, reducing vehicle drag at high speeds while maintaining radiator cooling capacity.

A monolithic opposed-piston cylinder block uses a 3D printed casting core to integrate coolant paths and turbulators directly into the structure.

A thermal management system uses an ECU to adjust a grille shutter and flow rate valve based on cooling water temperature.

Asymmetric cooling water passage design in boat transmission cases reduces forward expansion while maintaining thermal performance.

A cooling system manages cylinder head temperature using separate radiator and bypass passages with distinct flow control valves.

A ship propulsion machine integrates a fine dust capturing device with a water intake and capturer to retrieve particulate matter from cooling water.

Water jackets cool main bearings while oil drain-back areas remove crankcase oil, lowering friction and component weight.

A rotatable screen assembly captures clean air from the top of a work vehicle to drive airflow across heat exchangers, avoiding side intake debris plugging.

Interconnected passages with varying cross-sectional areas direct coolant to high-heat regions, reducing parasitic losses and shortening warm-up times.

A flexible actuator moves slats to diffuse air across a radiator surface, eliminating complex kinematics and oblong holes that cause manufacturing sensitivity.

A radiator fan adjusts blade angles dynamically using centrifugal force generated during rotation to optimize airflow across varying engine speeds.

A variable volume chamber with a flexible diaphragm maintains optimal nucleate boiling pressure in engine coolant.

An absorption cooling system lowers compressed intake air temperature to restore engine efficiency lost during adiabatic compression.

Mounting an exhaust gas recirculation heat exchanger directly to a coolant collecting rail minimizes installation space by eliminating additional coolant lines.

Vertical cooling space extensions and segmented core casting resolve structural vulnerabilities at the cylinder wall to ceiling transition.

A cam drive idler gear assembly reduces engine size by mediating rotation, maintaining gear ratios without increasing pulley dimensions.

A dual-loop cooling system uses an inertial separator to divert vapor from liquid coolant before it reaches the heat source.

A first valve in the cooling circuit controls coolant flow based on engine operational state to maintain combustion chamber temperature.

Divided condenser cross sections enable reverse airflow to reduce pressure loss and maintain cooling capacity when the vehicle engine is switched off.

Dual thermostats adjust cooling water flow to maintain lubrication oil temperature, preventing defects and improving fuel economy.

Integrally formed exhaust manifold and turbine housing reduce engine width by eliminating separate pipe bending, enabling compact supercharger placement.

Draining coolant from the cylinder head cooling jacket before engine start reduces exhaust catalyst warm-up time and lowers cold-start emissions.

A thermal management method calculates coolant temperature differentials to identify heat exchanger airflow faults.

A shared coolant reservoir stratifies thermal zones within a unified radiator assembly to maintain distinct temperature levels for engine and auxiliary components.

Segmenting the spacer prevents adhesion-to-slide during mold opening, enabling selective coolant flow control and reducing thermal deformation differences.

Sliding skirt thrust rings with calibrated orifices deliver cooling oil to tight piston seals without adding external injectors.

A single electromagnetic on-off valve replaces multiple components to prevent overheating if the flow control valve fails.

An air intake duct prevents hot engine exhaust from entering the heat exchanger, maintaining fluid pressure and cooling capacity in confined spaces.

An integrated coolant supply module merges separate water pumps into one unit, resolving mounting space constraints while ensuring reliable circulation.

A circular cooling module assembly integrates radiator and condenser fins in a shared plane to maximize ram air exposure.

A backflush valve assembly replaces the EGR coolant supply cover to enable manual debris removal from engine oil coolers.

Segmenting the cooling circuit into high and low temperature loops prevents engine overheating during brief power overload events.

Identifies specific pump or valve failures by analyzing liquid volume and gas temperature across separator, superheater, and header tank components.