Servomotors TRIZ Cases

A suction strainer combines a pleated inner filter with a porous outer layer to capture and grow oil bubbles for efficient separation.

A pump device balances differential pressures to maintain consistent discharge flow across varying rotation speeds.

Controller varies hydraulic drive motor displacement for smooth speed transitions, eliminating jolts from discrete two-speed shifts.

A torque controller adjusts maximum absorption torque for hydraulic pumps using delivery pressure feedback.

A unified hydraulic system with a common pressure line manages constant pressure to resolve oscillation tendencies during high-dynamic switching cycles.

A hydraulic travel control device manages pump capacity via engine rotation sensors and PID feedback loops for stable operation.

A hydraulic valve controller maps joystick positions to flow rates using non-linear curves for precise low-speed operation.

A subsea deintensifier reduces hydraulic fluid pressure to operate equipment efficiently.

Variable cylinder volumes drive the module between positions, creating refilling space without expanding the machine footprint.

Operation mode signals direct inter-circuit fluid sharing in a vehicle hydraulic system, resolving energy consumption versus control complexity trade-offs.

Annular elastic seals deform under pressure to create overflow passages, eliminating complex valve components and reducing installation space.

An actuator positioned in the front swash plate chamber utilizes radial space to adjust displacement without increasing housing size.

A feedback control mechanism adjusts electric motor speed to maintain target hydraulic pump discharge pressure in electro-hydrostatic actuator systems.

A pilot check valve manages hydraulic oil discharge to control swash plate movement, reducing shock during hydrostatic transmission speed transitions.

A controller adjusts a bi-directional pump tilting angle based on turning signals, suppressing energy loss during rapid lever movements.

An integrated pneumatic-hydraulic unit with a liquid outlet valve prevents fluid leakage during tool changes while eliminating voltage adaptation needs.

Asymmetric tool halves offset from the piston rod axis allow insertion into narrow door gaps without sacrificing spreading force.

A dual relief valve configuration with a changeover switch adjusts swing motor torque limits while preserving shockless protection.

A variable restriction valve adjusts its opening area based on working fluid flow rate to control hydraulic cylinder movement.

Replacing fixed orifices with variable ones resolves instability in hydraulic systems by dynamically adapting flow area to load changes.

Engine and mower ECUs exchange data to prevent unnecessary stops during detected faults, maintaining productivity.

Electronic control unit calculates target discharge volume to adjust mechanical variable-capacity oil pump operation.

A fluid pressure cylinder uses an internal valve mechanism to detect output member position via air pressure changes within the main body.

A hydraulic system uses a selection valve arrangement to pressurize and depressurize cylinder chambers for active vibration damping.

Electronic load sense control replaces long hydraulic hoses with transducers and microprocessors to stabilize circuit operation and prevent engine stalling.

A hydraulic system recycle line connects rod-side and head-side supply lines to redirect fluid flow during cylinder extension.

Controller monitors hydraulic pressure and adjusts maximum limits to mimic load-sense responsiveness, preventing traction loss during external load encounters.

Dual-pressure valve directs fluid pump flow to clutch or gear side, preventing premature engagement and maintaining pressure.

An open hydraulic circuit eliminates the booster pump by applying reduced pressure to the engine casing via a return duct restriction.

Multiple accumulators with on-off valves manage working oil flow in shovel swing hydraulic motors.

A hydraulic auxiliary system uses a selector manifold to actively route flow from boost and steering circuits.

A proportional valve sets operation fluid pressure to control multiple hydraulic pressure controllers in working machines.

A controller adjusts bleed valve opening area to stabilize hydraulic actuator behavior during operation.

An electronically-controlled counter-pressure valve adjusts return line pressure to optimize hydraulic system performance.

A pump control device adjusts hydraulic input torques using discharge pressure feedback to optimize prime mover output.

Controller activates auxiliary pump to supplement steering fluid flow when engine rpm drops, resolving low-speed controllability issues.

A dump truck control system varies hydraulic cylinder extension speed nonlinearly to adjust cargo discharge volume.

A proportional control valve in a bypass loop stabilizes generator frequency and voltage by compensating for drive speed fluctuations.

Interposing a power takeoff device between hydraulic pumps distributes rotational power to auxiliary components while minimizing arrangement complexity.

Segmented erase cycles lower energy consumption, enabling reliable data storage with scavenged power supplies.

A tilting angle control device adjusts pump discharge flow rate using feedback signals from pressure sensors and proportional valves.

A pilot valve redirects discharged pressure medium into the actuating cylinder to stabilize torque regulation.

Integrating valve openings and pressure sensor connections into a single pump housing reduces bore count, lowering manufacturing costs.

Adjustable hydraulic accumulator preload adapts force-stroke characteristics to diverse steam valves, reducing actuator type variety.

A hydraulic closed circuit system uses a pump capacity control unit to automatically adjust flow rates between multiple pumps.

A hydraulic drive arrangement uses a variable displacement pump to deliver pressure medium to piston chambers in press applications.

Dynamic delay adjustment for swing motor brakes reduces wear during normal operation while enabling rapid stopping when relief pressure drops.