Positive Displacement Pump Components TRIZ Cases

A pump assembly integrates liquid and air pumping functions using a flexible annular diaphragm coaxially positioned about a piston-forming element.

A sloped top ring on an eccentric roundel redirects piston forces to protect the diaphragm membrane.

Overrunning clutch engages electric starter to drive pump shaft, eliminating manual cranking hazards in wet environments.

A high-pressure piston compressor mounts inlet and outlet valve housings within the vessel chamber wall to generate isostatic counter-pressure.

Multi-diameter through holes form a Helmholtz resonance chamber that absorbs discharge pulsation noise and vibration energy.

A vacuum pumping device uses a pressure valve linkage switch to automatically control the air pumping assembly for maintaining an oxygen-free environment.

Angled gearbox arrangement reduces device volume while maintaining operational simplicity for ergonomic handling.

Movable plug in bore adjusts resonator volume to cancel compressor noise across variable operating speeds without system shutdown.

Tapered plunger edge directs fluid flow to wash sand particles away from the barrel interface.

A terminal member mounts the vibration tube to the cylinder head using a stepped housing and welding process.

Segmented inflation stages using a blower and piston reduce time and leakage compared to single-method pumps.

Inertia welding joins low-cost steel parts in a multi-part valve assembly, eliminating expensive heat treatment for fracking pumps.

A plastic damper base with rubber portions prevents shell contact, reducing friction noise by over 10 dB and protecting discharge hoses from vibration damage.

Segmented sealing gaskets and an adjustable coupling cap restore seal pressure to prevent fluid leakage at the hand pump axle joint.

A manual air pump switches between high-pressure and low-volume modes using a segmented cylinder design that prevents hand obstruction during operation.

Segmented suction and discharge chambers prevent backflow from negative pressure while enabling self-cooling of the piston assembly.

Segmented piston chambers and differential pressure valves stabilize fluid flow and inhibit pressure pulsations in hydraulic braking systems.

Segmented valve liner resolves strength versus repair trade-offs by distributing bias force, reducing seat wear and enabling modular maintenance.

A wheel-mounted diaphragm pump mechanism actuated by magnetic force and rotational energy to compress air directly into pneumatic tires.

A collapsible handle assembly for hand air pumps uses a nested pumping rod to enable compact storage.

Segmenting the pump into two assemblies balances axial forces, reducing plate stress and deformation risks while maintaining high flow rates in deep drilling.

Segmenting the guiding bore into separate components improves manufacturing precision and sealing performance.

An air compressor outlet receptacle features an enlarged compartment volume to facilitate efficient pressurized air flow and rapid piston reciprocation.

Elastomeric conduits absorb pump vibrations through elastic deformation, reducing rattling noise while maintaining compact vacuum performance.

Decentering the axial oil supply passage shortens the radial feed path, reducing pressure loss and maintaining oil volume at high rotational speeds.

Nested piston discharge valves lower discharge temperature while suction plenums optimize fluid flow paths for climate-control systems.

Differentiating plateau groove angles in reversal and central zones decouples lubricant flow from piston speed, reducing friction.

Segmenting the pump housing into front and rear sections allows suction lines to route through the joint area, reducing manufacturing complexity and weight.

A linear compressor controller adjusts motor driving force using voltage and current signals to prevent piston impact.

Alignment members restrict chassis movement while couplers enable hot-swapping, maintaining cooling continuity during device insertion.

A reciprocating compressor uses a stepped piston rod to separate the piston and expose the rod packing for direct removal.

A diaphragm pump uses an integrated manifold with duckbill check valves and dual ports for flexible fluid handling.

An integrated venting unit removes trapped air from the dosing chamber, ensuring reliable release agent discharge.

A swashplate pump control system uses a failsafe valve to switch fluid circuits between normal and emergency states.

Acoustic foam layers in an elongate enclosure reduce compressor noise by 55% while maintaining airflow.

Mounting the check valve on the inner division wall reduces component count and pulsating noise while preventing refrigerant backflow.

Air guiding sleeve increases wind pressure and speed via rotating fan to resolve inadequate heat dissipation in inflator structural design.

Axially displaceable coupling links separate motor and pump rotors to maintain alignment.

A check valve uses a variable pitch elastic member to apply consistent bias force to the valve element within a compact longitudinal space.

Integrates a movable pressure switch within the air compressor housing to protect internal components while maintaining accessible operation.

A piston body with an internal space accepts a leading end member insertion portion while its protrusion extends beyond the surface.

A fold-back coaxial gas booster pump uses a two-stage compression mechanism to generate high pressure with reduced power consumption.

A pump head seat compresses an air seal ring using a resiliently swingable retaining arm for precise component control.

Electromagnetic forming seals conductive pump housings via magnetic induction without mechanical contact.

Nested attenuating portions reduce silencer length while maintaining wide frequency sound attenuation.

A reciprocating compressor detects suction valve improper opening by monitoring electrical engine torque peaks.

Insert ring segmentation resolves casting shrinkage cavities by separating housing materials, improving pressure resistance without increasing volume.

Composite articulating arms route pressurized fluid to reduce rigging time and safety risks in well operations.

Triangular electrical pin layout stabilizes compressor housing partitions, preventing deformation and leakage from high-pressure refrigerant stress.

A pump module piston moves to a parking position where the sealing element separates from the cylinder.