Membrane Filters TRIZ Cases

Targeted surface energy adjustment replaces trial-and-error coating with systematic parameter control for reliable filtration.

Hollow body with compressible filling medium compensates for urea solution freezing volume increases, preventing pressure spikes that damage the filter element.

A spring-biased filter element moves to a bypass position when fluid pressure exceeds the spring force.

A disposable in-tank filter assembly uses a bowl-less design with an elevated bypass structure for efficient fluid purification.

Filter housing body sections equalize pressure between inlet and drain spaces, preventing damage from pressure differences without adding compression springs.

A canister filter drain seals directly against the filter element to prevent fluid leakage.

Sintered polyarylene sulfide particles maintain dimensional stability at 220°C by preventing creep, enabling reliable high-temperature separation.

A spin-on filter end plate merges mounting threads and sealing surfaces into a single component to eliminate separate nut plates.

A self-draining oil filter housing uses a radial seal transition to open a drainage port for gravity flow.

A self-supporting plastic filter segment uses glass fiber reinforcement to eliminate internal struts and reduce weight.

Built-in dividers in the filter element direct turbulent cross-flows to intensify cleaning efficiency and extend service life of the filter walls.

A mechanical valve assembly uses a bypass path to supply raw water when the filter is removed.

A buoyant radio module floats on collected water to detect levels and transmit data, eliminating complex mechanical sensors.

A spray gun filter uses a conical support to surround the fabric and create self-acting positioning forces.

A filter assembly uses a movable inner cap and uneven housing portions to secure the filter element firmly within the system.

Segmented engagement between the cover and filter element reduces rotational force required for removal while minimizing seal wear.

A filter element integrates a sieve into the first end plate via injection molding to separate solids from liquid media flowing through the bypass channel.

A push-actuated filter housing with a floating key lock mechanism enables tool-free removal and replacement of refrigerator water filters.

Removable basket filter housing consolidates large surface area maintenance into a single unit, eliminating complex multi-housing systems.

A hydraulic filter locking device secures the sealing element against axial displacement.

A single filter element reduces hydraulic system size while maintaining high separation rates through axial and radial flow acceleration during backwashing.

A melt-blown nonwoven web uses a bimodal fiber distribution to create distinct coarse and fine structural layers.

Heat-shrinkable yarns create a three-dimensional corrugated structure that increases filtration capacity without expanding the device footprint.

Elastic connecting ducts enable suction nozzles to adapt to irregular filter surfaces while maintaining structural stability against large dirt particles.

A through-aperture in the adaptor neck allows trapped oil to flow out before removal, preventing spills during inverted filter maintenance.

A single-layer filter media with distinct density gradients captures colloidal particles while maintaining efficient fluid flow.

A filter device coalescer and final separator use a positioning element to align the radial assembly.

Two axially projecting pins on the filter element actuate separate valve bodies to control oil drainage without uncontrolled leakage.

Integrating coarse, medium, and fine filtration plies into one unit reduces system complexity and space requirements while maintaining high reliability.

High porosity fibrous mass inserts into pool skimmer baskets to physically capture insects and organic debris.

Segmented subsea filter allows diver replacement of external screen without recovering hydraulic actuator structure.

A spring-loaded nozzle arrangement uses rolling wheels to maintain contact with a cylindrical filter screen during backwash cleaning.

A cleaning apparatus uses compressed air bubbles and rotating jigs to remove debris from metal filters.

Nested funnel panels expand filter media area to maintain high flow rates despite particulate contamination accumulation.

Segmenting the valve head from the base allows simultaneous replacement of worn components, resolving reliability issues caused by non-replaceable parts.

A camrod mechanism translates rotation into linear motion to draw an oil filter against an adapter face for secure sealing.

A unitary guide ring with inward and outward protuberances centers a water filtration cartridge within the sump.

A fuel filter assembly integrates inlet and outlet shutoff valves biased by a spring mechanism to prevent fluid leakage during servicing.

A fuel filter valve seals the outlet automatically when the insert is removed, protecting the system from unfiltered fuel.

A filter scraper removes deposits from filter bodies using a rotational screw and lower air inlet, extending element lifetime.

Segmenting the cartridge allows the drainage device to remain attached while replacing the filter body, preventing unfiltered oil leakage during maintenance.

Resilient hollow elements fill gaps in a rotary pressure filter, preventing solid accumulation and ensuring hygiene in food or medical processing.

Nested filtration stages remove debris from pool covers, preventing soil flooding and main filter clogging.

A one-piece cast pressure vessel integrates inlet and filtrate chambers with a central diverter valve for duplex operation.

Screen apertures block pests from entering drain pipes without obstructing fluid flow, resolving maintenance complexity.

An integral basin and threaded stem seal prevent fluid contamination during filter conversion, reducing labor costs while maintaining reliability.

A compact filter housing integrates a bypass element to maintain uniform thermal distribution across filtration paths.

Movable shell parts in a filter compensating device adjust alignment errors, reducing manufacturing tolerance requirements.

A filter cover backing coupled to a second cover by a return system maintains sealing contact, preventing leakage from pressure drops across the mesh.

Keyed engagement aligns the filter cartridge while a rotating bypass disk redirects flow, eliminating separate shutoff valves and seal deterioration.