Positive Displacement Pump Components TRIZ Cases

This hydraulic pump uses spaced axial shaft supports to adjust piston stroke length while preventing swash plate wobble.

A pump apparatus uses a link mechanism to connect the piston rod and plunger for direct mechanical passage switching.

A manual pump uses a return passage to redirect pressurized fluid, enabling partial dose delivery without altering the piston stroke.

Separating hydraulic drive from gas compression chambers prevents contamination risks while maintaining synchronized piston movement through mechanical linkage.

A compressor box features a connection socket that securely attaches external hoses or sealant bottles to the unit outlet.

A semi-commanded valve system modulates compressor capacity using magnetic actuation to control valve timing.

A suction check valve with a diameter reducing portion varies its inside diameter to enable smooth fluid intake.

A bilge pump strainer integrates a non-contact electric field sensor to detect liquid levels and trigger pump activation signals.

A reciprocating pump uses a translation pinion and rack to drive pistons with an ultra-long stroke.

A pump tie rod uses a sleeve portion to surround the rod and abut end plates, distributing mechanical load across the connection interface.

Segmented metal sleeve seal with radial web centers pump piston to improve volumetric efficiency at low speeds.

A volumetric pump uses shape cooperation to join piston and switching valve components via a pivot rotation mechanism.

Segmented muffler chambers target low and medium-high frequency noise simultaneously, resolving residual gas jitter in refrigerant transfer.

A piston pump uses a tapered cylinder bore to reduce dead space and improve efficiency.

A piston compressor uses segmented suction paths to direct working fluid for internal cooling and crank chamber oil separation.

Curved flow path geometry reduces fluid pressure and pumping head requirements for electric submersible pumps handling high gas content.

Optimized side foot mounts on a dual-cylinder rocking piston compressor housing reduce mechanical vibration and acoustic noise.

A reciprocating pump collar minimizes the gap volume between the plunger and communication pipe to reduce cavitation.

Replacing mechanical rods with hydraulic counter-pressure eliminates wear on magnetically actuated components, extending service life.

Inclined resistive walls in the joining mold suppress flash growth and retain frictional heat at the interface to prevent unjoined regions.

A variable-pressure air pump uses a dynamic cylinder area to enhance inflation efficiency and pressure control.

Segmented fluid end design allows quick replacement of worn intake and pressure heads, reducing maintenance downtime in hydraulic fracturing pumps.

Varying sealing surface slopes offsets leverage effects to distribute tension uniformly and reduce leakage.

A hinged bearing door enables tool-free reciprocating pump removal by exposing the pin for direct extraction.

Segmented valve units detach from follower plates to resolve contamination cleaning bottlenecks while maintaining sealing reliability against viscous materials.

A vertical cooling fan draws air upwards through a drum pump motor and battery assembly to dissipate heat.

A modular peristaltic pump head uses a segmented housing and removable roller assembly to enable quick component replacement.

Nesting guide pins inside springs preserves flow area and protects components from debris in compressor valves.

Merging compressor, motor, and dryer into one block eliminates external lines to reduce vehicle space consumption.

A liquid resistant pump assembly integrates a sealed display and hinged access panel to protect internal components from fluid exposure.

A PVD-deposited hard material layer on the pivoting surface reduces wear while avoiding expensive heat treatment processes for the control base receptacle.

A miniature pneumatic device uses a piezoelectric actuator to generate pressure gradients for gas flow.

Prismatic piston design with roller bearing drive removes lubrication dependency, reducing friction and contamination in compact automotive applications.

Nested vacuum and compression pistons share a rotational shaft to minimize axial size while a cooling fan maintains thermal stability.

Radial fins on a pump cartridge reversibly engage chassis tabs to simplify maintenance in hard-to-access locations.

Segmented pump heads and distribution valves provide independent lubrication control for centrifugal and plunger pump packings, eliminating grease waste.

Dynamic choke tube adjustment minimizes residual low-frequency pulsations and vibration damage in gas compressor piping.

A tapered connecting rod reduces weight while maintaining strength, and replaceable pony rod sleeves allow field maintenance without full disassembly.

Liquid columns decouple piston strokes in multistage compressors, reducing mechanical wear and energy waste during partial load operations.

A latch and mechanical stop lock an infusion tube cassette in a preset position to prevent accidental disengagement.

Oblique sections in the suction channel break up gas bubbles, ensuring over 80% exit within stroke time to maintain accurate liquid volume metering.

An insulating box isolates the pump's temperature probe from the substrate, resolving thermal interference and improving measurement precision.

Controller excludes resonant frequency ranges from operation spectrum, reducing vibration and enhancing compressor reliability.

Communication holes enable two-level pressure accumulation to suppress pulsation caused by abrupt pressure changes during operation.

An insulator covers metal portions facing the terminal chamber, preventing spark generation when the terminal rod detaches and contacts conductive surfaces.

A compressor valve plate features a relieved area surrounding the seat to reduce contact between the reed and plate.

Cylindrical cover with subsidiary flow channels directs fluid to valve seats while a built-in drain channel detects seal leakage.

A porous fiber member around the discharge port disperses high-pressure air, reducing noise while preventing condensate clogging.

A compressor discharge valve configuration sets a hydraulic diameter ratio of 0.5 or less to optimize valve lift and flow dynamics.