Coolant Flow Control TRIZ Cases
- Dual Roll Shutter Apparatus for Vehicle Grille Sealability
Opposing roll screens driven by a single motor reduce air leakage and improve aerodynamic performance.
- Thermostat Diagnosis via Electric Pump Control
Stopping the electric pump until cooling water reaches a threshold prevents inaccurate thermostat failure diagnosis at cold starts.
- Adjustable Annular Element for Multi-Outlet Pump Flow Regulation
Segmented outlet openings with movable sealing elements prevent leakage while enabling precise fluid distribution across diverse engine cooling circuits.
- Valve Connecting Pieces Rectangular Housing Flow Optimization
Rectangular valve housing openings accept diffuser-like connecting pieces, resolving space constraints while enhancing fluid system efficiency.
- Shear Drive Boundary Layer Reduction for Heat Rejection
Flow altering structures thin the viscous fluid boundary layer, resolving heat transfer inefficiencies in high torque shear drives.
- Modular Thermal Management Coolant Valves and Pumps
Integrating three-way and four-way valves with a single pump reduces device complexity while maintaining reliable temperature control for vehicle components.
- Engine Cooling Electromagnetic Valve Control Logic
Control unit prevents coolant boiling in exhaust heat collection devices by predicting temperature thresholds before closing the electromagnetic valve.
- Hybrid Vehicle Thermal Management Loop for Battery Heating
A hybrid vehicle thermal control system connects motor cooling circuits to the battery pack loop.
- Dual-Stage Cooling Circuit for Intake Air and EGR Gas
Segmenting the cooling loop into distinct temperature stages reduces thermal masks from large radiators while recovering waste heat.
- Predictive EGR Cooler Cooling Control for Transient Engine Operations
A predictive control system adjusts coolant flow and fan speed to maintain EGR cooler performance during engine transients.
- Engine Cooling Expansion Reservoir with Temperature-Controlled Valves
Expansion reservoir manages coolant flow between dual circuits using temperature-sensitive valves to restrict fluid movement.
- Flap Position Sensing Device with Integrated Hall Sensors
A flap position sensing device integrates Hall sensors and permanent magnets into a resin casing to detect open, closed, and intermediate positions.
- Rotatable Closure Element for Cylinder Cooling and Carburetor Warming
A rotatable closure element with an air guide wall directs cooling airflow to specific engine components.
- Active Air Flap Control Using Preceding Vehicle Wake Prediction
A processing device calculates wake speed from preceding vehicle data to adjust active air flap opening degrees for adequate cooling.
- Active Piston Pressurization for Engine Cooling Circuit
An active piston-cylinder assembly pressurizes the cooling circuit independently of engine heat, enabling controlled pressure at cold starts.
- Pressure-Regulating Valve Spool Isolation for Aircraft Generator Coolant
A pressure-regulating valve spool isolates a deadheaded chamber from the main coolant flow to maintain precise fluid pressure.
- Sound-Insulating Housing for Engine Work Machine Noise Reduction
A sound-insulating housing connects intake and muffler boxes to surround the engine duct member.
- Dual Shaft Electric Motor Fan System Parasitic Load Reduction
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.