Servomotors TRIZ Cases

A control unit specifies target speed and acceleration for a hydraulic cylinder piston rod using sensor feedback.

Solenoid operated pilot valves replace complex directional control valves in hydraulic intensifiers, eliminating leakage and improving reliability.

Simulated motor speed drives pump volume adjustments to compensate for slippage and overrun, improving flow control accuracy without physical sensors.

Arcuate pistons and segmented seals eliminate internal leakage, ensuring positional accuracy for aircraft flight control loads.

An electronic control unit processes position sensor data to automate actuation, resolving safety risks from manual operation while managing device complexity.

A hydraulic control device uses meter-in and bleed-off pressure compensators to manage oil flow between steering and boom actuators.

An ejector vacuum generating unit incorporates an atmospheric air introducing valve to control port communication states.

Segmented load sensing lines prevent cross-talk between pumps, eliminating erratic actuator movement and uneven workload distribution.

A hydraulic pressure drive cylinder converts fluid energy into mechanical motion via a rack and pinion wheel arrangement for electricity generation.

A hypocycloid deceleration mechanism aligns with the control shaft to reduce drive motor size while maintaining torque.

A hydrostatic transmission system with a central section containing a single hydraulic pump and two motors, integrated with a steering mechanism and power take-off (PTO) mechanism.

Electronic compressed air treatment device routes air back into the delivery device via a second valve to accelerate pressure buildup during idle phases.

Real-time contour tracking adjusts wash equipment positioning to resolve the contradiction between fixed simplicity and adaptive cleaning effectiveness.

Segmenting hydraulic pumps eliminates throttles during combined boom raising and arm crowding, reducing pressure loss and fuel consumption.

A hydraulic circuit coordinates a knife sharpening cylinder and housing flap using pressure-dependent valve arrangements to manage fluid flow between parallel actuators.

A hydraulic control system manages pump connection states to maintain stable fluid flow during operation.

A control unit regulates compressed air flow through a valve device to manage piston movement between multiple positions in a cylinder.

A hydraulic priority valve controls volume flow to multiple consumers via a connecting line and bypass path.

Electronic pump displacement control stabilizes frequency and voltage output despite varying engine speeds.

Adjustable orifices in the pump valve regulate flow distribution to prevent actuator damage from excessive supply when delivery flow is insufficient.

Parallel radial pistons shorten the overall length of an air hydraulic cylinder while maintaining thrust output.

Integrated reservoir and cooling elements dissipate heat from the brushless motor, resolving thermal constraints in compact electrohydraulic actuators.

A hydraulic pump device ejects working fluid through dual outlet ports, while a path-switching valve directs flow based on pressure to reduce sub pump load.

A flow rate limiting section in a hydraulic control valve restricts oil discharge to generate thrust force.

Merging motor and pump housings reduces assembly complexity while enabling efficient fluid flow control via dedicated side inlet and outlet passages.

A dual-drive actuator combines hydraulic thrust with pneumatic speed to move output elements precisely.

Hydraulic circuit manages alternating camshaft torque via check valves to maintain constant adjustment speed and reduce oil pump load.

Five control edges on the piston segment separate back-feed and pressure-release lines, resolving mismatched tension during rapid movement and holding phases.

Accumulator discharges hydraulic oil to the main pump intake side for energy reuse.

An anti-cavitation device supplies continuous oil flow to the annular chamber during load descent.

A hydraulic controller uses a common pilot pressure source and switching valve to manage multiple devices.

Dual-acting servo actuator uses metering orifices to generate precise force vectors with defined magnitude and direction.

Mechanically coupled working and travel cylinders share a closed pressure circuit with one actuator, reducing component count and energy consumption.

A hydraulic pump motor converts boom positional energy into electricity during lowering operations.

A hydraulic pump controller scales lug speed error to adjust displacement.

Independent gas volume expansion reduces compressive force, decoupling strut length reduction from kinematic actuation complexity.

A hydraulic bypass valve device enables system evacuation and filling through a dedicated line.

A combination open-and closed-loop hydraulic system shares pump output to increase drum motor speed.

A hydraulic motion compensation device uses a dual-mode machine coupled to a flywheel for rapid energy storage.

A controller calculates virtual discharge pressures to manage variable displacement pump flow rates based on real-time hydraulic conditions.

Auto mode index determines engine power based on pump load and operator speed, reducing fuel loss from mismatched torque requirements.

Hydraulic control synchronizes front panel movement with cap tilting, preventing bumper damage during maintenance operations.

A hydraulic pump adjusts cylinder block pressing force via fluid pressure to seal the port plate interface.

A hydraulic drive system uses a bleed-off flowpath and control valve to regulate fluid pressure in the cylinder circuit.

An asymmetric piston design recovers discharged pressure fluid to drive displacement, reducing consumption while maintaining thrust force.

A fluid metering device uses pilot-operated valves to discharge precise fluid volumes for well tool actuation.

Feed-forward commands calculate pressure deviations to recalibrate spool positions rapidly, resolving flow force errors in hydraulic excavator attachments.

An air control device alternates discharge ports to advance and retract drilling tools.

An orthogonal speed controller reduces lateral protrusion by projecting its mounting portion from the main body side, minimizing installation space.

Dynamic motor speed control eliminates pressure surges and reduces energy waste in electro-hydraulic baling press systems.