Flexible Wall Reciprocating Engines TRIZ Cases

See how a scotch yoke drive unit creates asymmetric drive rod speeds to extend heat-exchange ti

Elastic units at the displacer end regions store and release force to offset pressure-loss loads and prevent motor slip in cryogenic refrigeration.

A dual-chamber pump moves viscous food during the return stroke, cutting refill delays and enabling faster continuous dispensing.

A shared motor, shaft, clutch, brake, and pressure sources control multiple eversion actuators while cutting actuator size and cost.

A shared shaft, clutch, and reel setup lets multiple eversion-based actuators extend and retract with one motor, cutting size and cost.

A woven sleeve and modulus-thickness ratio let this hydraulic actuator withstand 5 MPa while maintaining contraction and long cycle life.

Pressure-driven tip eversion and artificial muscles let a growing robot steer through cluttered spaces with low friction and stationary power.

An annular diaphragm pump uses a sleeve-shaped drive element to transmit back-and-forth motion for fluid displacement.

Segmented bellows with varying wall thicknesses create a reliable liquid barrier, preventing leakage and enabling precise bottle dispensing.

Rotational adjustment of the brake actuator housing resolves vehicle-specific port alignment conflicts without requiring custom manufacturing configurations.

Replacing wavy springs with a bellows structure allows radial expansion for uniform load distribution and reduced pressure pulsation.

An integrated aluminum casting merges the spring brake actuator with the cam shaft support tube.

An articulating inner structure changes volume and shape to position a crankshaft for optimal torque leverage during combustion.

Integrated return spring flange supports air filter to eliminate dedicated support components and reduce brake booster manufacturing complexity.

Radial ribs on the brake diaphragm bottom wall prevent piston slippage and channel accumulated debris away from the actuator interface.

Passive silicon check valves in a micro diaphragm pump reduce flow resistance while the metallic diaphragm minimizes dead volume.

Flexible membrane converts pressure differentials into rotational force, eliminating complex crankshafts to reduce construction complexity.

Segmented radial diaphragm assemblies distribute torque loads to eliminate low speed cogging and flow pulsation.

A glass fiber reinforced polypropylene frame overmolded with encapsulating material creates a mechanical lock between top and bottom surfaces.

Segmented inflatable chambers maintain rigidity through stiffening elements while a single tube simplifies control lines to reduce friction.

Integrally formed plastic valve with flexible bridge and segmented diaphragm hinge portions reduce failure rates from elastic deformation.

Segmented rings adjust moment of inertia to convert oscillatory wave motion into consistent electrical current.

A pneumatic brake servo divides its working chamber into a prechamber and main chamber to reduce the actively loaded area of the movable wall.

A unitary pneumatic actuator uses dual inflatable chambers on a central base for bi-directional force application.

Series diaphragm pumps reuse process air to reduce energy waste from pressure reduction valves.

Applying an adhesive layer between the push rod plate and diaphragm maintains lateral alignment and prevents slippage caused by wet conditions.

Electroactive polymer actuators replace mechanical gears to reduce device complexity and enable compact implantable fluid delivery.

A non-threaded clip secures a parking brake diaphragm to a push rod using an interference fit and conical washer.

Dual-rate spring assembly in fluid pressure actuator stabilizes piston movement to prevent sudden exhaust gas flow jumps during valve opening.

Dynamic vacuum pressure tensions the skin against the frame, preventing bagginess and joint entanglement during movement.

A self-adjusting piston pump uses pressure sensors and a microprocessor to dynamically modify stroke volume and rate for consistent fluid delivery.

A membrane pump inverts a pre-deformed non-elastomeric membrane between stable states using a pressure port system, reducing stress and enhancing durability.

Staggered pump suction and discharge strokes deliver uniform chemical liquid flow, eliminating pressure pulsation that damages components.

Segmented bellows create pressure differences that drive a piston, eliminating vacuum pump complexity.

Composite layers reduce diurnal emissions below 15 g/m2/day while maintaining structural integrity against temperature fluctuations.

A unitary valve assembly integrates inlet and exhaust functions within an air motor to simplify construction.

Segmented casing halves joined by apertured spacers resolve manufacturing cost and tool jamming issues while accommodating longer springs.

A safety coupling uses a pressure-expandable hollow body to switch torque transmission states via frictional engagement between cylindrical surfaces.

An asymmetrical diaphragm design with varying convolute depths converts arcuate motion into reciprocating pump action.

A bellows pump assembly uses a flexible wall with predetermined thickness variation to achieve controlled force development during compression.

Segmenting the membrane into a rigid track and flexible intermediate layer reduces friction wear on the pump track while preserving tubing elastic recovery.

Reverse bending at strip borders creates localized material doubling to distribute stress evenly and extend service life.

A high pressure bellows assembly uses incompressible fluid to maintain controlled pressure differentials across expandable segments.

Curved peaks and troughs in the expansion section distribute stress to prevent material wrinkling during repeated reciprocation cycles.

Segmenting the pump into reusable housings and disposable liners eliminates cleaning time while preserving component reliability.

A fluororesin piston with a thin-walled cylindrical outer peripheral portion rolls smoothly in the pump cylinder.

Curved mating grooves and a sloped eccentric roundel on the compressing diaphragm pump eliminate resonant shaking and oblique pulling forces.

A gas spring piston integrates recesses and support walls to securely engage structural projections for lateral load transfer.

Segmented composite structure resolves size versus robustness contradiction, sustaining oscillating stresses without fatigue failure.

A dual membrane piston pump arrangement uses a marker liquid to detect hydraulic oil or product leakage through conductivity changes.