Valve Arrangements TRIZ Cases

An integrated spacer with a circumferential fluid groove directs oil through a spray port, improving lubrication reliability in modified natural gas engines.

Direct weld connection between control gear and first camshaft resolves radial runout precision trade-offs in diesel engine timing mechanisms.

A rocker arm assembly uses an anti-inversion feature to maintain support pin orientation during installation.

Dynamic exhaust valve timing shifts combustion cylinder airflow to enhance engine braking power.

Aligning maximum load direction with rotation facilitates quick valve lift changes without requiring large actuators.

A control valve manages fluid pressure to actuate railroad car doors only when the vehicle reaches a specific track position.

A segmented feeler gauge panel traverses rigid arms to maintain linear configuration during measurement.

Thermal lamination forms precise three-dimensional contours in a polymer foil, replacing expensive phototechnical methods to simplify production.

A backflow preventer assembly uses a single test cock for sequential absolute pressure readings.

A triple-shaft gear mechanism adjusts camshaft phase angle using an electric motor and crankshaft sensor signals.

A gas flow regulator assembly uses a segmented body to control pressure and monitor flow, eliminating initial pressure spikes that disrupt welding operations.

A stepped roller tappet pin with annular shoulders and a housing finger secures the component axially.

Dual-disc sensor arrangement detects crankshaft and camshaft marks to identify cylinders accurately even when the primary crankshaft sensor fails.

A rotation shaft valve consolidates multiple oil control functions into a single unit, reducing circuit complexity and system cost.

An actuator with extendable elliptical pins adjusts valve lift on a cam slide member, eliminating the need for full engine teardown.

A hollow camshaft houses an internal armature and external coil winding to enable electromagnetic actuation within a compact volume.

Protrusions on rotating camshaft inlets deflect large oil droplets, preventing engine contamination and leakage under high load.

Positioning the solenoid between the cylinder and frame protects it from debris while maintaining compact dimensions under the seat.

Deflectable actuator plate forms a hollow curvature to enhance mechanical contact forces in micro-electromechanical systems.

Motor assembly counters two-cylinder engine vibrations while variable phase camshaft optimizes fuel efficiency and output.

A controller adjusts valve lift and phase angle targets to maintain safe clearance between the intake valve and piston.

A control device determines maximum fuel mass based on cylinder segment period and fuel pressure to adjust air mass flow.

Reduced inner shaft diameter eliminates thickened sealing rings, lowering machining costs and preventing assembly damage.

A fluid coupling uses a guide with fitted portions and multiple seal members to ensure reliable sealing between plug and socket components.

A digital pneumatic microfluidic cartridge uses a thermoplastic elastomer membrane for precise fluid actuation.

An alternating split-cycle engine cylinder uses variable valve timing to distribute thermal energy across all cylinders.

Segmented cam elements shift axially to adjust valve lift, reducing device complexity while maintaining adaptability across engine configurations.

Capacitance sensors measure valve distance to correct for fluid property variations and improve measurement precision.

A camshaft phaser cover element joins a journal and plate via welding with a dedicated positioning portion.

A control apparatus manages intake and exhaust cam phases to prevent excessive valve overlap during engine operation.

An electromagnet actuates a MEMS valve in a microfluidic cartridge, reducing clogging and improving cell viability during sorting.

Arm-mounted sensors detect hands quickly while avoiding false alarms from basin objects.

Measure resonant frequency of custom-fit instrument tubing during assembly to prevent damage from operational vibration matching.

Database-driven cam timing adjusts valve overlap based on engine load, reducing combustion instability and fuel consumption in low-speed ranges.

Micrometric cavity networks enable elastohydrodynamic lubrication in high-pressure friction parts, resolving bearing surface damage and pressure drop issues.

A valve train control device shifts a cam follower relative to a primary cam lobe using an auxiliary motion transfer mechanism.

A valve positioner uses selectively illuminated lights to optically transmit status information to a computing device.

A variable valve timing apparatus stops actuator power supply when engine speed falls below a threshold to maintain phase accuracy.

Opposed-piston engines use dual crankshaft phasers to vary compression ratios, reducing energy waste at light loads while preventing knock under high torque.

A camshaft adjuster locking mechanism secures the rotor in predetermined angular positions using mechanical elements and a compensation spring.

Segmented sliders enable selective cylinder deactivation while maintaining uniform lift adjustment across the engine.

C-shaped spring secures clamping gear axially while preloading spur gears, reducing noise from profile mismatch.

Angled end plate seal with fluid groove prevents air introduction and fluid leaks during low oil pressure operation.

Variable exhaust valve timing and a flow control device direct post-combustion gas to optimize boost pressure while preventing spark knock.

Elastic elements fill support plate cavities to form sealed chambers, eliminating glue thickness variations and complex membrane positioning.

A valve arrangement uses a mechanical extension rod with dedicated connection means to transmit identification data from underground.

Integrating oil drainage passages within the actuating pin eliminates sealing device collision and wear during engine braking.

Crossbow valve drive eliminates return springs and rocker arms to reduce working losses and friction in engine cylinder heads.