Positive Displacement Pump Components TRIZ Cases

Stacking a sheet-like rubber isolator between the fixing plate and base blocks vibration transmission while preventing unit lift during transport.

Protrusions on the adapter plate mate with pump head depressions to prevent misalignment and leakage.

A cup-shaped mounting sleeve surrounds the cylinder body to absorb mechanical forces during assembly.

Periodic valve cycling prevents ice accumulation that reduces reliability, ensuring continuous operation without excessive energy use.

Plastic deformation fixes the discharge check valve inside the piston, removing snap rings and simplifying assembly of compact electromagnetic pumps.

Hydraulic fluid injection radially compresses a stiff valve seat through an annular channel, eliminating equipment-intensive mechanical removal processes.

Axially-stacked valve assembly relocates to a separate hollow chamber within the cylinder block.

A piston fuel pump valve guide element constrains the discharge valve movement to prevent jamming and ensure reliable sealing.

Insulating hollow body plenum within cylinder cap blocks heat transfer to compressor structure, maintaining lower refrigerant temperature.

Piezoelectric actuators replace bulky motors to create silent, compact gas circulation while protective films block moisture and dust contamination.

A movable valve plug in a resealable cap maintains reduced pressure by preventing air leakage and fouling.

A tube pump switches between suction and discharge modes through a single gas channel to regulate pressure in a liquid ejecting apparatus carriage.

A long stroke parallel pump uses a slider-crank mechanism to convert rotational motion into lateral reciprocation for fluid displacement.

Segmented lower housing enables quick removal of the collected liquid storage portion for direct cleaning access.

Heat pipes inside a submersible pump motor casing actively manage thermal loads, stabilizing internal temperatures and preventing reliability failures.

Exhaust fan creates negative cabinet pressure to draw ambient cooling air, resolving internal heat buildup and improving drive motor thermal management.

A compact hand pump uses a retractable plunger to compress air while providing a watertight storage compartment within its lightweight PVC body.

Stacking suction and discharge units around a central filter prevents ink backflow and removes foreign objects for reliable conveyance.

Merging crankcase and crosshead box into a single casting removes weld cracking risks while integrating internal oil pathways to improve lubrication efficiency.

Angled suction valve and diametral ports resolve bulkhead support conflicts for larger discharge areas.

A fuel pump housing features a radially dented motor portion to accommodate the stator core within a compact outer diameter.

A piston-based intensifier pump system pressurizes downhole fluids using a compact hydraulic mechanism.

Universal lube box design reduces inventory costs and compressor downtime through modular components.

Deformable coupling portions in a double-headed piston prevent jamming while minimizing fluid leakage.

Segmenting casing into large upper and small lower zones maintains superficial gas velocity to prevent liquid loading.

A lift check valve uses a flat inclined deflection surface to redirect fluid flow from the inflow direction to the passing direction.

A peristaltic pump tubing mount guides fluid through an extended inlet path to distribute shear strain and reduce deformation.

Wheels on the bottom portion stabilize heavy fluid-filled barrels, preventing overturning during transport.

Piston skirt with guide surfaces reduces friction loss while a head projection decreases dead volume to improve compression efficiency.

Segmented mounting pins stabilize infusion pump doors, resolving cassette movement during high flow rates.

A high-pressure liquid chromatography pump balances motor torque with a spring-biased piston, reducing power consumption and component complexity.

A modular fluid end assembly uses segmented sections and interchangeable components to reduce stress concentrations in high-pressure environments.

Control device estimates remaining inflation time based on current pressure, allowing safe monitoring from a distance without constant supervision.

Segmenting the exhaust into multiple holes reduces piston resistance, preventing backforce interference and improving inflation speed.

Nested fiber layers improve liquid separation performance while maintaining modular attachment stability for compressor maintenance.

A piston compressor venting device discharges compressed gas from the compression chamber to reduce mechanical stress.

Parallel manifold pumps maintain common transit times to deliver sharp proppant concentration transitions in fracturing fluids.

Segmented pump mechanisms maintain sufficient lubrication under variable-speed conditions while simplifying the housing structure.

Dynamic inflation control prevents overinflation by varying compression cycles, while a secure hose attachment maintains operational stability.

A linear motor compressor uses a free-piston arrangement driven by an electric motor to compress gas.

Axial drive arrangement reduces air leaks and stabilizes piston movement to enhance ejection efficiency in compact on-vehicle camera systems.

A pump conveyor device removable as a whole unit simplifies maintenance and reduces assembly costs.

Eccentric pocket isolates the valve body from fluid flow to reduce vibrations in hydraulic pump discharge valves.

A pump jack system uses a variable displacement motor to drive reciprocating motion via closed-loop hydraulic connections.

Segmenting drive assemblies within a shared housing reduces system volume and weight while enabling variable fluid output independent of engine speed.

Universal gearbox with interchangeable crank units reduces manufacturing time from months to days.