Machines/Engines TRIZ Cases

Rear-mounted oil tank collects lubricant flowing backward through the engine, resolving recovery efficiency losses caused by conventional front placement.

A thermoplastic polyester elastomer composition combines modified hydrogenated styrene-type elastomers with carbodiimide compounds and antioxidants.

A radar level gauge probe uses a simple open end termination to determine product levels via echo signal strength thresholds.

Mounting an oil filter at an acute angle between a generator and crankshaft prevents crankcase bulging while maintaining maintenance accessibility.

A detachable connecting device uses a circumferentially closed bushing inserted radially through a side opening to transmit force between functional components.

Check valves open based on pressure differentials to equalize fuel between tanks without a manual exchange cock.

Laser-welding actuator cover to casing prevents liquid ingress while allowing gas escape, extending piezo actuator service life.

Pivotal connection elements anchor segmented wind turbine blades, reducing transportation costs while maintaining structural strength and low noise levels.

Segmented rotatable ducts replace large fans to reduce pressure drops and ensure uniform cooling.

Integrating a grounding electrode into the heater assembly prevents static buildup while maintaining structural compactness.

Elongate body member generates smooth peristaltic waves through lateral cross-sectional area changes to provide longitudinal locomotion.

A fuel injector outflow channel geometry with a continuously increasing flow cross-section eliminates annular gaps to reduce cavitation tendencies.

Bilinear spring characteristics reduce idle noise emissions while maintaining injector stability at high operating pressures.

A linear actuator with a wax motor driver and manual input member.

Conical bushing maintains constant electrical characteristic impedance while withstanding pressure differences.

A compact fuel injection damper with a gas-filled chamber and elastic metal diaphragm absorbs pressure fluctuations in the low pressure circuit.

Segmenting the hood creates an accessible inner compartment that seals the filter via pressure, eliminating tool requirements for routine maintenance.

An electric engine braking device replaces hydraulic oil with a direct mechanical linkage to control valve motion.

Polyisobutylene succinic anhydride aromatic amine dispersant prevents centrifugal oil mist separator plugging by binding soot particles.

A segmented lubricant additive cartridge uses a spring element to bias and eject discrete additive sections into the circulation system.

Merges the oil storage tank and filtration unit into a single blow-molded structure, eliminating separate fixtures and reducing device complexity.

Real-time impedance adjustment prevents voltage breakdown while maximizing corona size to eliminate misfires and extend igniter life.

Dual circumferential beads on the connector create a dedicated bearing area that anchors clamps, preventing hose slippage under high axial loads.

Pre-cast modular blocks with recessed connecting plates simplify assembly, reducing labor costs and time for remote tower foundations.

A hybrid generator system provides regulated digital AC power via an inverter and high-power analog output through an alternator.

Segmented reservoirs with a movable closure element manage oil circulation for rapid heating while preventing stagnation in engine lubrication systems.

Interleaved composite layers with aligned cutouts clamp via fasteners to transfer loads through friction.

A synthetic aperture antenna system calculates filling material surfaces using electromagnetic signal reflection and processing.

A valve bridge assembly integrates a cylindrical housing and plunger to guide fluid flow through an internal check mechanism.

An intake valve combines an iron framework with aluminum alloy thick portions to reduce moving mass.

Sector reinforcement section reduces casing weight while maintaining impact energy distribution.

A fuel injector isolation seat assembly uses a Belleville washer and elastomeric ring to bias the injector away from the cylinder head.

Baffle-guided float prevents false triggering during tilting while solenoid valve automatically drains water contaminants from fuel filters.

A borescope inspection port fitting extends transversely to accommodate airflow tubes and plugs within a gas turbine engine housing.

A filter element closing member opens at a pressure threshold to enable liquid flow through the axial channel.

Integrating load-bearing functions into a composite nacelle cover eliminates heavy steel frames, reducing weight and manufacturing costs.

Mounting a forward slat on a stall fence merges two components to reduce drag and airflow momentum deficits while pushing the stall boundary aft.

Replacing metal receptors with graphite prevents burr formation and reduces rotational noise during lightning strikes.

Multi-chamber baffles separate oil droplets from crankcase gases, preventing leakage and maintaining a clean engine bay.

Vertical expansion sections increase metacenter height to reduce wave-induced motions without adding heavy ballast.

A hydraulic control valve manages fluid flow to adjust engine valve timing through selective supply and discharge mechanisms.

Three coaxial ring filter elements sequentially remove dirt, coalesce water droplets, and separate residual moisture using hydrophobic materials.

Universal springs flexibly mount bus bar ends to wind turbine towers, absorbing vibrations that cause rigid ducts to fail.

A porous dielectric process separation device protects radar level meter antennas from process contaminants while maintaining microwave signal transparency.

A capacitance-based measurement system determines propellant mass using electrodes and tank walls regardless of fluid orientation.

A sensor arrangement uses a viscoelastic couplant to acoustically couple an ultrasonic transducer to a tank bottom.

An integrated mold merges thermoplastic injection and foam curing to eliminate sequential cooling steps, reducing production time and costs.

Merging the shaft and lifter into a single component reduces cylinder head volume while maintaining decompression functionality.