Valve Arrangements TRIZ Cases

Aluminum oxide bristles refinish scored bore walls and flexible Teflon rings prevent hard piston contact to stop transmission fluid leakage.

A cam follower roller device uses a tilting anti-friction ring on an axial spacer to reduce sliding contact wear.

Radio transmission system conveys valve position messages to a supervision apparatus for real-time sequence tracking.

Outer inserts on synthetic support elements distribute load and enhance pin retention, reducing wear in injection pump cam followers.

A solenoid valve diagnostic device detects performance deviations by analyzing current waveform slopes and derivatives.

Thermoplastic microfluidic devices integrate elastomeric membranes and pneumatic regulators to enable precise fluid handling.

Segmented optical sensors detect individual valve positions in combustion chambers by capturing light intensity changes through specific detection paths.

Multi-stage current verification determines solenoid normality while preventing premature brake fluid flow variations during diagnosis.

High-carbon bearing grade steel tappets minimize wear and spalling under cyclic loads by maintaining consistent hardness.

A variable valve mechanism uses a swingable link member to transmit rotation from a cam sprocket to an intake cam shaft for relative phase adjustment.

Segmenting the exhaust cam allows pivot pin placement between end portions, resolving attachment strength versus degree of freedom constraints.

Positioning the connecting pin contact point closer to the camshaft center prevents sliding surface inclination and ensures equal wear.

Regulating valve assembly enables reverse circulation to reduce cementing pressures and prevent well blowouts.

Segmented rotor cores and optimized channel geometry minimize pressure losses while maintaining sealing performance under high pressure.

Adjustable camshafts optimize valve timing to maintain low cylinder pressure during decompression cycles, increasing exhaust braking power.

A pressure-balanced undersea hydraulic coupling uses a poppet valve actuator to manage fluid pressure within the probe section.

Electric motors drive a harmonic drive system to offset concentric camshafts, eliminating start-up oscillation caused by hydraulic pressure loss.

A valve timing lock mechanism uses centrifugal force to disengage members for rapid phase control.

Segmented housings and a rod mechanism prevent sewage spills during drain obstruction removal.

Dynamic calibration switching manages pre-ignition and spark plug fouling during production, then restores drivability and fuel efficiency for normal operation.

A solenoid actuates a latch pin within a rocker arm assembly to enable cylinder deactivation.

Axially movable valve bridge with anti-rotation feature ensures uniform actuation of intake and exhaust valves.

Merged rotor and sprocket eliminate housing seals, reducing axial length while maintaining hydraulic fluid containment.

Integrates a resonant measurement circuit into the rotating camshaft adjuster module to detect phase angle without stationary engine requirements.

A switchable rocker arm pivots an inner arm relative to an outer arm using a lock pin and lost motion spring.

Segmented wear sleeves replaceable via dynamic compression clips reduce refurbishment time and extend service life against abrasive erosion.

Direct plunger sliding in the bridge body eliminates containment jackets, reducing machining tolerances and production costs.

A camshaft phaser uses a bridging lock pin oil passage to connect primary and secondary hydraulic controls.

Single exhaust port reduces component count and complexity while maintaining fluid control in variable camshaft timing systems.

Repositions a connector pin between two links to adjust valve lift without disassembly, resolving interference issues within the cylinder head.

Cyclonic separator manages gas content in the oil to protect the pump module from damage under demanding conditions.

Pressure sensors identify opened valves and quantify ammonia release in common headers, eliminating false alarms from residual gas.

Applying reverse voltage to the coil preheats the piston armature and magnet, reducing electrical resistance during cold engine starts.

Elastomeric plug seals conduit opening while electrical couplers enable solenoid coil testing.

Asymmetric flow resistance and spring-loaded piston store fluid to equalize pressure pulses, reducing cavitation.

Caulking deforms sliding elements to fix splines axially, eliminating radial play and concentricity errors.

A control command unit sets specific hydraulic fluid pressure values to unlock a rotation phase lock pin.

A hydraulic control device synchronizes valve timing with oil pressure boosting to stabilize engine torque during cylinder deactivation.

A solenoid-controlled spool valve modulates hydraulic oil flow to maintain variable cam timing position.

Hydraulic actuation drives the rocker-arm shaft axially, enabling consistent valve timing across all engine speeds.

A CVVD control method adjusts valve duration during engine cranking to synchronize starting RPM with transmission speed.

Integrating the camshaft carrier into the cylinder head recess reduces engine length and frees space for additional components.

An integrated cam mechanism with movable slider housings adjusts valve lift, reducing pumping loss and simplifying engine construction.

A variable valve train uses a multi-track cam carrier and dual actuators to enable axial displacement for precise timing control.

Segmenting the annular space with a plunger prevents radial deformation of bellows-like diaphragms by isolating hydraulic and pumped fluid pressures.

Hydraulic pressure counteracts centrifugal forces on lock keys, maintaining stable valve timing across varying engine speeds.

A variable cam timing system adjusts valve overlap to manage pre-ignition events during boosted engine operation.

Dynamic intake valve timing and throttle adjustments reduce blowback variation during cold starts, improving cylinder-to-cylinder air-fuel ratio uniformity.