Servomotor Components TRIZ Cases

A built-in communicating passage in the counterbalance valve balances flow and pressure to suppress excavator mistracking without extra circuits.

Controller-coordinated pump and accumulator flow limits actuator power by work mode, cutting fuel use without sacrificing excavator workability.

Reduced compressor speed lowers discharge pressure before exhaust release, cutting vehicle pneumatic venting noise without added silencers.

Multiple small motors and pumps are switched by load demand to cut starting current, reduce oil waste, and extend battery runtime.

A coiled mesh filter uses radial spring force to secure around a cylindrical hydraulic component, saving space and weight in brake systems.

A cutoff valve and floating piston isolate brake circuits to stop hydraulic pulse feedback and preserve stable brake feel during simultaneous actuation.

A valve-mounted turbine and generator turn pressure-drop losses into electrical power, improving hydraulic system efficiency.

Hydraulic volume compensation and an accumulator keep battery module pressure stable as cells swell and shrink, reducing deformation and fatigue.

Pre-opening a bleed-off valve before pump flow rises and closing it after startup limits actuator shock while reducing wasted hydraulic flow.

Two accumulators with different set pressures feed the hydraulic cylinder through control valves to cut pressure loss and use stored energy efficiently.

A vent channel, membrane filter, and CIPG seals balance brake unit pressure during heating while blocking contamination and leakage.

Relief valves balance hydraulic flow between rear lifting columns to keep four-legged construction machines stable on uneven terrain.

A rotatable valve cover and shrinkage member adjust airflow speed to match train braking demand while simplifying brake layout and improving force consistency.

A damping rail absorbs hydraulic noise and pressure fluctuations before clutch valves, enabling faster, smoother shifts with lower pump torque.

A nested magnet inside the piston cuts the sensor air gap and limits valve flux interference for more stable master cylinder stroke signals.

Distributed electric pumps and load-based motor speed control cut hose friction losses and extend refuse vehicle operating range.

A flexible connector with self-centering engagement elements simplifies valve array assembly and maintains gas-tight sealing despite misalignment.

A shared proportional-valve layout simplifies concrete pump hydraulics while preserving precise mast and support control and lowering cost.

Motor heat warms work oil to keep hydraulic cylinders responsive in cold conditions while the same oil loop also cools the motor.

Independent control of regeneration, valve opening, and pump flow raises actuator speed while preserving position accuracy in hydraulic work machines.

Coordinated boom and arm angular velocity control keeps the bucket edge near target excavation depth during horizontal dragging.

A controller cycles the spool valve to depressurize worktool lines before disconnect, reducing operator risk and actuator movement.

Two speed control valves and check valves let an air cylinder circuit tune supply and exhaust flow separately while keeping the layout simple.

A bleed path in the load pressure passage relieves cold, viscous hydraulic fluid buildup to improve actuator response and pressure control.

A variable displacement pump decouples motor RPM from wheel speed, improving hydraulic drive flexibility and energy efficiency.

A central hub with standardized conduit and module interfaces lets subsea manifolds expand vertically while cutting custom branch complexity and cost.

Decelerating the boom before ground contact aligns float activation with actual touchdown, preventing shocks and uncontrolled movement.

Sensor-based switching between high and low pressure lines cuts control valve pressure loss in electrically driven hydraulic work machines.

Internal spool passages separate control and main flow, enabling compact high-flow servovalves with less leakage, contamination risk, and external piping.

A valve-stem-controlled unloading path releases high-pressure oil gradually during reversing to avoid hydraulic shock and engine stalling.

A pressure-leading passage and check valve keep spool pressure stable during relief, preventing sudden cylinder acceleration and speed loss.

Independent superstructure and substructure pumps cut rotary joint pressure loss in aerial work platform hydraulics, reducing energy use.

A local platform power unit replaces long boom pipelines, cutting hydraulic energy loss, pressure redundancy, and response delay in aerial work platforms.

Internal sensor data lines in a solenoid valve manifold cut external wiring and simplify module connection and pressure signal handling.

A boom retraction controller uses gravity assist and pressure feedback to hold target speed while cutting hydraulic energy use and battery drain.

A four-position boom control valve keeps lowering feel consistent across float and normal work while reducing switching shock and pump use.

A combined proportional and switching valve uses one setpoint to generate separate actuation signals, reducing controller complexity and setup effort.

Pressure-sensor feedback sets task-specific valve pressure limits, cutting pneumatic actuator energy use and component wear.

Independent valve groups use sensor feedback and chamber-specific pressure limits to match movement tasks, reducing pneumatic energy use and wear.

A notched strip filter and sleeve protrusion simplify oil valve assembly, improve filter positioning, and cut waste and cost.

Feed-forward hydraulic pump control smooths discharge changes from negative control pressure, reducing shovel shocks while saving energy.

A 3/2-way switching valve cuts unnecessary pressure signaling, reducing energy loss while keeping compact two-solenoid hoist control.

A blocking valve isolates hydraulic leakage at neutral or low swing speed to stop drift without using the swing brake.

Connecting multiple working ports to one air chamber lets parallel valve units raise pneumatic throughput without larger valve modules.

A multi-port lock-up control valve stabilizes hydraulic pressure to smooth torque converter engagement and release transitions.

A tunable PRV adjusts leakage to match actual slew flow, cutting outlet flow disturbances and maintaining stable orifice flow.

A low-pressure selection valve redirects excess flow between cylinder chambers to prevent pressure confinement and cavitation.

Standardized header, branch, and flow-line blocks replace bespoke well manifolds to cut delivery time, lower cost, and keep double-barrier safety.

A monoblock valve integrates ride control into the main control valve, balancing accumulator pressure internally while cutting external piping and power use.

Multiple smaller inlet ports merge into one flow path to shrink housing width while maintaining hydraulic flow rate and reducing pressure loss.

A pilot fluid signal substitutes for load-sense pressure to keep standby pressure high, so secondary hydraulic functions remain available.

Dynamic return-line pressure control uses position, speed, acceleration, and gravity feedback to improve work-machine precision without excess energy use.

A two-region boom valve switches between recovery oil only and combined supply to save energy, cut parts, and handle sudden lowering demands.

Spring-biased holding valves help a pneumatic cylinder retain clamping pressure longer despite air leaks or temperature changes.

Separate pilot and exhaust air paths let throttle valves be adjusted independently for precise mid-stroke air cylinder speed control.

A pilot-operated valve and dual pressure chambers sequence clutch release before engagement to avoid overlap, wear, and shift knockback.

A radial recess between spool control edges tunes orifice opening, cuts flow resistance, and avoids rotational fixation in compact valves.

An internal locking device replaces external blocking valves to cut cylinder size, simplify oil circuits, and eliminate response delay.

Dual directional valves and PWM pilot pressure balance hold, extend, and retract material moving implements with precise high-speed control.

A spool and dual-wing passages combine flow from two hydraulic sources, boosting auxiliary actuator flow without extra valve sections.

Multiple caps split a heavy single-cap valve layout, easing attachment while simplifying maximum-pressure routing and reducing external piping.

A proportional 3-way valve and pressure reducing valves vary standby pressure with LS demand to cut pump losses and improve flow control.

When solenoid-state sensing fails, lever-based shut-off valve control keeps hydraulic actuators usable while still allowing safe stopping.

A return-line pressure compensated valve stabilizes excavator arm crowd speed while cutting pressure loss, back pressure, and tuning effort.

A detachable extension module redirects compressed air to add flexible valve actuation paths while keeping the electropneumatic controller compact.

A double rotary pump and back-pressure reducing valve sequence flow to cut hydraulic shock, enable three speeds, and shorten baler cycles.

During boom lowering, hydraulic fluid charges an accumulator and later assists boom raising, cutting excavator engine power demand.

Variable throttling in the feeder line replaces sequence valves, simplifying hydraulic pressure amplifier housing while stabilizing operation.

End-position damping outside the seat region cuts leakage and pressure fluctuation while keeping cartridge valve closing under 10 ms.

Separate intake and return flow control with pressure compensation cuts hydraulic power loss and cavitation under changing loads.

Pressure sensing lets a closed-center hydraulic valve cut flow under high load, restoring load-dependent feel while protecting equipment.

A single valve assembly combines manual linkage and electro-hydraulic actuation to add automation without extra parallel valves or wiring.

Integrating the inlet, nozzle, plunger housing, and collar into one manifold cuts parts and assembly time while reducing leak paths.

Pressure feedback replaces mechanical feedback in a pilot-operated servo valve to prevent null leakage, improve thermal stability, and cut complexity.

A bellows-separated fluid path cuts seal-ring sliding friction, prevents fluid mixing, and stabilizes the moving member for efficient energy transfer.

Spring-guided valve alignment compensates position errors and wear, enabling faster hydraulic tool coupling and safer rescue equipment operation.

Independent meter-in and meter-out valves let mining machine actuators switch between fast idling and high-force cutting with precise flow and pressure control.

Bypass relief valves redirect hydraulic flow between boom and tool cylinders to stabilize pressure and prevent interference during scooping and dumping.

Modular manifold bore layouts let one subsea hydraulic control unit assign high- and low-pressure output ports late in production.

Direct pressurization with an external bidirectional pump cuts hydraulic oil use, leakage risk, and retrofit effort in movable-blade hydraulic machines.

Bi-directional electric pumps drive each hydraulic actuator to cut thrust reverser weight, power waste, and jam-related damage.

A rotatable control slide varies valve flow cross sections to cut pressure loss, manage back-pressure, and avoid cavitation.

A modular EHA swaps motor, pump, and cylinder components to cut customization lead times while keeping a consistent form factor.

Iron and aluminum are assigned to different cylinder regions to cut actuator weight while preserving pressure resistance and rod stability.

A two-duct valve spool layout cuts pressure loss and stabilizes regulation by keeping one duct permanently connected to the pressure port.

Pre-lifting pump activation via early valve connection sequencing prevents load sagging while reducing energy consumption.