Valve Arrangements TRIZ Cases

A variable compression ratio engine estimates mechanical compression using exhaust temperature or pressure measurements.

An inclined connection portion disperses loads across a larger contact area, reducing fatigue failure at the body-pallet interface.

A cam follower employs a logarithmic contact profile to eliminate kinematic jerk and reduce vibration excitations in internal combustion engines.

A hybrid vehicle braking system uses engine reverse rotation to generate high torque.

Removes exhaust side variable timing hardware to reduce device complexity while maintaining fuel efficiency and power performance.

An acceleration-primed valving system retains fluids at low rotational velocities using centrifugal force to overcome capillary pressure.

A wearable badge with an ethanol sensor detects hand cleanliness and displays a visible indicator, reducing disease spread through social pressure.

Ring-shaped grooves on balancer gears absorb vibrations through elastic deformation, suppressing rattling noise without complex scissors gear structures.

Outer ring webs on the piston throttle tank outflow without control edges, enabling precise flow control and bypass mechanisms for faster camshaft adjustment.

A compact gas regulator merges the pressure gauge into its cylindrical body to eliminate protruding parts.

Eliminating calibration steps for camshaft adjusters reduces production time while maintaining manufacturing precision.

Vibrating support members swing the valve into alignment, preventing wear on the stem seal and guide during insertion.

A roller tappet assembly incorporates recessed formations on the pin element bearing portion to support hydrodynamic lubrication.

Particulate sensor detects exhaust contaminants to regulate EGR valve position, preventing component degradation from soot accumulation.

Segmented regulation pin evacuates hydraulic fluid via sub member to reduce pressure loss, enabling quick insertion of main member at low temperatures.

A Standpipe Bypass Kit uses flexible tubing to connect operational valves around damaged sections.

Replacing hydraulic units, this mechanical stepping system maintains precise valve control during engine braking without increasing device complexity.

A hydraulic camshaft adjuster uses a simplified locking system with two control elements to manage fluid flow and secure the rotor position.

Rotating the pushrod adjusts the cam follower position, reducing system complexity while optimizing fuel efficiency.

A valve control unit uses a magnetic shunt to actuate independent brake channels via a common solenoid, reducing component count and power consumption.

Rare earth magnets replace mechanical springs in breakaway couplings, eliminating shear pin wear and inconsistent separation tension.

Carbon fiber reinforced resin rollers and hard carbon coatings resolve boundary lubrication friction losses in 4-stroke engines.

A biasing spring urges an actuation lever to pivot automatically when latching allows, eliminating engine cycle synchronization requirements.

Multi-phase piezoelectric actuation drives gas transport in miniaturized channels, overcoming design limits of conventional structures.

A camshaft phase shifter uses a coaxial control oil line inside the lubrication conduit to supply pressurized fluid for precise valve timing adjustment.

Interconnected polymeric spring sections seal keg ports, eliminating labor-intensive metal disassembly for recycling.

An elastomeric sealing sleeve changes length during assembly to minimize gaps between the rotor and central valve, reducing oil consumption and leakage.

A staked anti-rotation plug prevents oil leakage and noise by inhibiting roller lifter rotation during inverted assembly.

An overhead loading belt assembly guides substrates onto a movable platform, resolving alignment issues during high-speed stacking operations.

LED arrays illuminate rotor indicators through cover windows, resolving visibility issues without adding mechanical complexity.

An adjustable mounting sleeve with offset brackets stabilizes faucet connections on irregular exterior surfaces, eliminating complex grouting and sealing work.

A multi-mode valve control mechanism adjusts frequency and duration of valve actuation using primary and secondary cam followers.

A controller manages liquid air injection timing and quantity within a reciprocating engine cylinder to drive power strokes.

A switchable rocker arm uses a lock member to control an inner follower within a central opening.

Segmenting cylinder banks allows independent skip fire and variable valve lift control, reducing pumping losses while maintaining smooth NVH characteristics.

A cerebrospinal fluid shunt valve uses a control port to regulate drainage via hydrostatic pressure.

Fuel cut deactivates cylinder rows to reduce emissions, while dual exhaust paths keep catalyzers hot for efficiency.

Signal corrector removes excess or shortage edges in rotation signals caused by Hall sensor hysteresis during repeated power cycles.

A control device manages engine power through a transitional cam shape that smoothly switches between distinct valve lift characteristics.

Segmented flow passages in this pipe joint reduce pressure loss while maintaining seal reliability during detachment.

Hydraulically actuated coupling assembly positioned at the valve end of a switchable rocker arm to minimize shear loads.

A continuously variable valve duration apparatus adjusts opening timing via a worm wheel and guide shaft mechanism.

A cam-based valve clearance adjustment system uses indexing marks to set precise gaps in rocker arms without feeler gauges.

A secondary lever with a high lever ratio reduces the effective force transmitted to the hydraulic valve lash adjuster in internal combustion engines.

Through-hole in outer arm allows lost motion spring extending portion to pass through, maintaining structural strength while enabling inner arm swinging.

A monitoring system compares physical variables across multiple valves to detect deviations and initiate countermeasures.

A flexible patch pump uses segmented rigid reservoirs and individually-addressable actuators to dispense precise medicament volumes.

An axial material opening in a circular clamping disk allows precise thickness verification to prevent misalignment during camshaft adjustment installation.

A horizontal press uses adjustable indexing and multiple punches to process orifices without tool changes.