Coolant Flow Control TRIZ Cases

Nesting a linear drive within the hollow interior of a vehicle air flap reduces installation volume and protects the mechanism from environmental exposure.

A parallel auxiliary circuit with an independent pump adds a low-pressure EGR cooler without modifying the main engine cooling configuration.

Replacing threaded fasteners with an interference fit eliminates assembly tool requirements while maintaining secure attachment for the blower scroll housing.

Dual temperature thresholds distinguish actual failures from radiator shutter effects, ensuring accurate engine water management.

Nested ferromagnetic housing concentrates magnetic flux to reduce unbalanced bearing load and simplify internal structure.

Segmented coupling decouples air flaps at different times, allowing individual position monitoring through drive current analysis without complex sensors.

A cooling control system adjusts fan rotation speed using a threshold-based integral activation mechanism.

Ramped duct surface deflects particulate matter toward an exhaust window, preventing filter clogging and extending component lifespan.

Parallel heat exchanger circuit reduces construction complexity while maintaining independent cooling for multiple vehicle components.

Cast aluminum thermostat housing with exterior cooling fins and tapered post resists thermal cycling cracks.

Segmented shroud design uses integral locating features and self-latching clips to resolve interference clearance issues while maintaining connection security.

A hybrid cooling circuit manages heat transfer fluid flow to maintain optimal temperatures for an engine and partial exhaust gas recirculation device.

Rotary valves and flaps regulate intake air distribution based on operating conditions, reducing aerodynamic drag while maintaining cooling performance.

An electromagnetic fan clutch uses an independent eddy current disc to manage thermal loads.

Vanes revolve around the fan perimeter to compress air, raising catalytic converter temperature during cold starts.

An intermediary plastic guide reduces friction and wear between metallic surfaces, lowering production costs while maintaining sealing efficiency.

A sliding screen arrangement moves horizontally to expose the filter element for cleaning.

Permanent sensor integration eliminates O-rings and clips in the water outlet housing, reducing leakage risks while simplifying maintenance access.

A motorcycle cooling system integrates a thermostat and temperature sensor within the engine cylinder section to minimize spatial footprint.

Inclined heat exchanger draws airflow upward through a tubular baffle surrounding the muffler, preventing debris accumulation on cooling surfaces.

Segmented cooling loops with independent fan control strategies maintain precise temperatures for diverse heat-producing components.

A dual-pump engine cooling system segments fluid supply between an engine-driven and electric motor-driven pump for precise thermal management.

Diagnosing the flow stop valve first prevents misjudging faulty thermostats, reducing heat loss and improving engine efficiency.

Variable speed fans on an electro-hydraulic radiator adapt airflow to energy load, reducing noise and fuel consumption during normal operation.

Segmented rotary slide sections control individual fluid streams in a motor vehicle cooling circuit, reducing flow losses and improving temperature management.

A fan clutch shut-off system maintains continuous airflow through automatic friction engagement.

An engine waste heat recovery system adjusts cooling water temperature via an electronic thermostat valve to optimize Rankine cycle operation.

Extracting the diesel particulate filter to the hood resolves support complexity and cooling airflow obstruction while maintaining exhaust gas temperature.

A variable flow coolant pump calculates delivery rates based on engine load and speed to optimize temperature regulation.

Adjustable shutter plates regulate airflow to resolve the trade-off between rapid engine warm-up and sustained cooling efficiency.

Dynamic shrouds adapt between open and closed positions to resolve the trade-off between stationary air-blowing efficiency and moving vehicle wind introduction.

A deactivatable cylinder group engine uses integrated water passages to direct high-temperature coolant for rapid device warm-up.

Dual coolant loops mix hot engine and cold intercooler fluids through a temperature adjusting valve, stabilizing exhaust gas cooling for the EGR cooler.

A coolant bypass circuit and controller adjust flow to manage temperature gradients in fluid cooling devices.

Positioning the damper between the fan and viscous coupling reduces required strength while maintaining compact axial length.

Integrating a heating element inside the fuel filter housing prevents fuel gelling in cold climates by eliminating heat loss to the ambient environment.

Axial and radial barrel serrations redirect airflow orthogonally, blocking recirculating flow that reduces efficiency and causes noise.

A variable-speed coolant pump adjusts flow rates to heat-transfer nodes based on real-time restriction states.

Adjusting grille shutters moves condensate away from high-acid zones, reducing corrosion risk and preventing engine misfires.

An electronically controlled fan clutch modulates engagement to increase engine braking torque in heavy vehicles.

Tube-style valve member with flow control element prevents sudden thermal shock to internal combustion engines by gradually introducing coolant.

A coolant control valve unit uses stacked wings of varying heights to independently manage multiple fluid passages through a single vertical driver.

Measuring coolant water pump impeller rotation speed to detect fluid insufficiency without additional sensors.

A dual bypass engine cooling system adjusts coolant flow distribution to optimize heat transfer coefficients.

A multi-core radiator system adjusts cooling fluid flow through individual cores using temperature-sensitive valves to optimize thermal management.

Bi-directional motor drives a pump to move fluid through flexible hoses, actuating a linear piston for grille shutter control.

A fan clutch device uses a segmented oil storage chamber with an arc-like partition wall to control fluid flow through a magnetic valve member.