Positive Displacement Pump Components TRIZ Cases

Segmented valves and a hollow plunger allow instrument passage through the pump body, resolving structural reliability versus measurement adaptability.

Disposable positive displacement pump uses rolling diaphragm to eliminate cleaning steps and maintain sterility.

Extending the rotor core downward increases main bearing height for stable crankshaft operation without raising overall compressor dimensions.

A flexible string suspends a compressor assembly to resist tensile forces and provide multi-directional vibration damping.

A sticking suppressing section prevents direct contact between the valve and substrate in diaphragm compressors.

Offset mounting pins and a convex bottom wall form an oil pocket that maintains pump unit submersion during inclined operation.

Piston body design integrates air receiving spaces to limit pressure without mechanical safety valves, reducing manufacturing costs.

Segmenting the pump housing into thick and thin zones reduces weight without compromising strength against high fuel pressure.

Etched link portions create a precise gap between the vibrating plate and frame plate, preventing adhesive blockage while maintaining high discharge pressure.

Nested coaxial air and liquid cylinders reduce axial length, preventing bag puncture in flexible dispensers.

A pump head uses a resilient member to urge a control valve against an abutment wall for secure clamping.

A hand-operated oil pump uses a piston to compress air and force spent engine oil through small drain ports.

Segmenting the piston bore into guiding and freewheel zones reduces friction while maintaining sealing reliability across variable working volumes.

Curved filter interconnecting piece reduces turbulent flows and vibrations to prevent fatigue fractures in motor vehicle ESP systems.

Segmented pistons move anti-phase to resolve interference between moving parts and permanent magnets, enabling larger stroke without increasing compressor size.

A linear compressor uses a gas bearing system to reduce piston friction without oil lubrication.

A cylindrical partition in the discharge tank covers the communicating passage opening to isolate air from liquid flow.

Manganese phosphate conversion film on nitrided cylinder block prevents galling and burn-in at piston contact.

A dual-stroke fluid pump uses a one-way valve to distribute flow across compression and suction strokes.

Segmented power, pump, and cooling modules on a towable chassis reduce well site footprint and eliminate special transport permits.

Separate airflow paths and rotary valves optimize air-fuel mixture delivery for each cylinder, improving power consistency during extended flight.

A detachable air storage container integrates a pressure indicator that releases excess compressed air through a tapered annular surface.

Replacing welding with riveting secures the cap and piston members, eliminating fluid-tightness failures under vibration.

Diaphragm bending in a piezoelectric micro-blower draws fluid into the chamber and discharges it, eliminating check valve constraints that limit flow rate.

Segmenting the elastic assembly into two members on opposite sides of the piston eliminates excessive force requirements and prevents resonance.

A fluid pump uses an enclosed actuator to generate a wrapped acoustic standing wave within a single cavity for efficient liquid transport.

A segmented piston pump design manages fluid flow through independent chambers to handle varying viscosities.

Series control pins adjust swash plate tilt to maintain constant power consumption across varying load pressures while minimizing pump housing size.

Undulated crankshaft undercuts adapt to rotating loads, resolving the contradiction between reduced friction and bearing load support capacity.

A pump exhaust coupling uses a non-linear inter-chamber conduit to dampen acoustic energy between inlet and outlet chambers.

One-piece structural element eliminates assembly complexity and transverse stress deformation in oscillating piston pumps.

Segmenting the ferrite magnet into three poles increases magnetic flux and reduces cogging forces without enlarging dimensions.

An integrated ball joint connecting rod reduces frictional resistance between the crank shaft and piston, extending component durability.

Overmoulded radial cooling fins on a coil assembly dissipate heat, reducing eddy current losses in electromagnetic pumps.

Molds and cores configure fluid ports with non-intersecting geometry to produce net-shape plastic pump housings ready for use.

A crankshaft reservoir and channel system regulates oil flow to compressor bearings, preventing noise from excessive delivery at high speeds.

Partition wall creates distinct resonance chamber to reduce cavity resonant frequency noise without increasing assembly complexity.

Water-based high pressure piston pump reduces wear via offset eccentric and PEEK chamber.

A micropump uses a winding body and permanent magnets to drive fluid transfer through electromagnetic actuation.

Bracket prevents skewing of height extended drywall pump by anchoring support legs to bucket rim.

Segmented closure element and compressible seal reduce frictional resistance, extending seal life in high-pressure reciprocating pumps.

Pneumatically actuated diaphragms in this double pump design eliminate rubbing parts, preventing particulate contamination in high-purity fluid transfer.

A dual-duty hand pump integrates inflating and deflating units within a single hollow body using opposing check valves.

Integrated anti-rotation locking prevents wear sleeve backing out, reducing maintenance downtime in high-pressure pumping systems.

Segmenting the pump from its mounting base resolves spatial constraints, allowing independent positioning in limited areas.

An integrated battery-powered pump drives a cam-follower system to actuate a plunger, eliminating external power requirements.

A self-lubricating plunger bushing uses a metal matrix lubricant to reduce friction and wear in die-casting operations.

A tube pump holding mechanism detachably attaches to a drive mechanism with independently rotating contact members.

Adjusting driving power-supply voltage according to valve diaphragm vibration state reduces collision damage and improves operational stability.