Output Power TRIZ Cases

Stored pressurized oil and a pressure-controlled cylinder help a hydraulic cam phaser shift quickly at low engine oil pressure.

Stored high-pressure oil from an accumulator and pressure-controlled cylinder speeds cam phasing at low engine speed while cutting pump losses.

Two oil passages time hydraulic piston motion so rocker arms separate before valve lift interference, reducing abnormal noise and wear.

A shaped support surface in the eccentric member stabilizes the spring, keeping gear-meshing force consistent and reducing high-speed vibration.

Auxiliary device varies closing force on engine valve, reducing energy consumption and vibration while maintaining reliable closure.

An ignition control unit calculates an irregular flow ratio from secondary voltage to correct the ignition operation amount.

A solenoid-actuated hydraulic control valve manages pressurized oil flow to switching lifters for cylinder deactivation.

Segmenting the reset valve control from the main rocker arm reduces structural rigidity requirements and component wear during engine brake operation.

A variable camshaft timing controller adjusts phaser duty cycles using estimated position data derived from a system model.

An interchangeable oil control valve system minimizes design and assembly costs by using a single valve configuration for distinct cylinder positions.

Internal drain paths in the spool reduce flow resistance, enabling quick lock mechanism shifting even at high fluid viscosity.

Auxiliary pressurized system transfers energy from secondary fluid circuit to primary circuit, reducing parasitic losses in internal combustion engines.

A dedicated priming gallery purges entrapped air through a relief valve, reducing mode transition times in variable displacement engines.

Castellation mechanism selectively opens one exhaust valve during braking to reduce valvetrain load while maintaining high braking power.

A control device manages valve-driving cam profiles across multiple cylinders to ensure uniform operation during switching events.

An additional volume absorbs pressurized fluid when pressure exceeds a maximum threshold, reducing vibrations and extending component service life.

A control device sets target acceleration to zero within a specific accelerator pedal angle range.

A hydraulic control valve manages fluid outflow to adjust gas exchange valve closing speed and delay.

A continuous variable valve duration apparatus adjusts opening timing via a worm wheel mechanism.

A supervisory control unit coordinates switchover operations between vehicle drive units by transmitting desired torque values and shaft angle positions.

A bias piston mechanism positions a rocker arm away from an engine cam to isolate the valve actuation system during non-braking operation.

Variable exhaust valve timing uses hydraulic damping to delay closing, preventing piston collision while maintaining scavenging efficiency.

Hollow cylindrical moving cam uses stopper grooves and elastic members to maintain reliable valve lift positioning despite thermal expansion.

A spring loaded relief valve releases cylinder compression energy to reduce noise from engine braking while maintaining sufficient braking force.

Dynamic valve timing prevents excessive loads on the valve train during transitions between positive power and engine braking.

A fluid-pressure lock pin in the rocker arm constrains cam lift to eliminate valve lash and reduce pumping loop losses.

A two-stroke opposed-piston engine uses a dedicated conduit and valve to redirect compressed air from the combustion chamber into the charge air channel.

Variable trigger timing adjusts solenoid activation based on engine speed, resolving mechanical resistance and inconsistent valve actuation.

A cam-driven exhaust valve control arrangement introduces hydraulic fluid into a chamber to enable an additional valve opening.

Contact pads in a power transfer module supply electricity to the rocker arm, preventing wire damage from fatigue and shorting.

Hydraulic lash adjuster assembly manages pressurized oil flow to actuate exhaust valves via a rocker arm and valve bridge mechanism.

Spring biasing compensates for cam phaser backlash, ensuring accurate phase angle positioning without complex real-time control algorithms.

A mechanical linkage connects an auxiliary motion source to a main engine load path, sharing force between the two systems.

Segmented arc portions on the eccentric member replace complex elliptical shapes to reduce manufacturing cost while maintaining noise reduction.

A rocker shaft cam profile controls reset pin motion in compression braking systems.

Shared oil circuits eliminate separate cylinder lines to reduce device complexity while air release valves prevent power loss from air ingress during shutdown.

A hydraulic exhaust valve control method manages crankshaft rotation angles to enable rapid engine reversal.

Series control valves manage hydraulic discharge to enable independent valve timing, reducing system complexity while improving engine efficiency.

A hydraulic oil controller uses a drain flow restrictor with a constant cross-sectional area smaller than the recycle oil passage to manage fluid movement.

Hydraulic plunger flow control replaces bulky mechanical cam mechanisms, reducing cylinder head complexity while maintaining precise valve timing.

A rotatable exhaust valve adjusts its position to control the central port opening area based on engine speed.

A hydraulic valve play compensation mechanism automatically adjusts exhaust valve clearance using oil pressure from the engine circuit.

A combustion engine uses a high-pressure storage reservoir during two-stroke cycles to generate braking force.

Band-like flexible check valves inside the piston convert alternating torques into useful energy while preventing pressure surge movements.

A thyristor-based control module connects vehicle electrical systems to brake light service lines upon engine brake activation.

A hydraulic control arrangement uses a piston device and chamber to manage gas exchange valve timing in piston engines.