Positive Displacement Pump Components TRIZ Cases

A start-up valve diverts compressor discharge to atmosphere during initial operation, reducing motor load without external controls.

A pump container uses a rotary opening/closing plate to manage fluid flow through the content movement tube.

Variable pitch actuating springs reduce lateral load on pistons by altering force application direction, preventing seizure and extending pump operating life.

Segmented portable hydraulic systems deliver independent fluid power to attachments without tools, resolving permanent configuration complexity.

Variable motor speed control prevents rod float during downstroke phases while maintaining high cycle speeds for improved productivity.

A modular inspection apparatus integrates macro and micro modules with a rotary table to detect defects on structured surfaces.

A pump discharge valve uses a rod-shaped body and seal ring to maintain hermetic sealing under operating pressure.

An open-type refrigerant compressor uses a distribution unit to prioritize lubricant supply to the seal member, preventing wear during low load operations.

A capillary structure with varying depth and width profiles enables passive directional fluid transport.

L-shaped box channels forced convection from a cooling fan to dissipate heat from the motor, main frame, and piston body.

Outer contour on the drive shaft guides lubricating medium from the bearing point to the tappet, resolving inadequate lubrication without adding complexity.

Segmenting the displacement element allows tube replacement without pump disassembly, resolving maintenance complexity while preserving continuous operation.

Layered vibration absorbing members on the compressor shell reduce high-frequency noise by increasing interlayer frictional damping.

Segmenting the riser duct into rigid and flexible sections enables easy container exchange in confined spaces while minimizing liquid loss.

A compressor cooling device operates independently of the drive unit to balance thermal management and acoustic performance.

Segmentation and dynamics principles simplify the coupling structure, allowing rapid inflation without complex valve assemblies.

A gas compressor employs a hydraulic rack and pinion mechanism to achieve low-cycle compression while a dual seal assembly prevents leakage.

A dual-purpose inflating device uses a movable valve seat to connect securely to Schrader or Presta valves.

Segmented pump bodies and nested seal caps accommodate larger cam lobes, increasing fuel supply volume while maintaining sealing reliability.

Diaphragm valve switches piezoelectric pump connections to prevent grease contamination while maintaining flow rate.

A plunger booster pump isolates a pressurized breathing segment between coupled plungers to prevent underpressure contamination while managing compression heat.

A suction cover plug interlocks via keys and keyways within a fluid cylinder access port to secure the assembly.

Rotating rollers compress a semi-rigid membrane within a fluid channel to dispense precise quantities while reducing pulsing effects.

A concentric valve fuel pump unit integrates inlet and outlet functions to minimize leakage.

A dry compression unit uses a suction conduit to cool internal mechanical members and the cylinder wall.

Iron-based slide member with three-layer oxide coating reduces sliding losses in sealed compressors.

An intermediary guide wall separates the valve from the outlet edge, preventing collision damage while maintaining sealing performance.

A dome-shaped diaphragm plate reduces membrane stress to bending forces, preventing material splitting and extending pump reliability.

A pump with a deformable bearing surface provides elastohydrodynamic lubrication between the drive piston and chamber wall.

A proportional solenoid inlet metering valve controls fuel flow through variable opening to manage pump output.

A modular suction gland assembly extends threaded interfaces to secure retainer nuts and fluid end blocks.

A hydraulic damping unit absorbs kinetic energy to eliminate liquid strike noise and component loading.

Grinding both tapered and shoulder surfaces extends insert life while reducing material waste from fracking pump erosion.

Electric off-axis opposing piston actuator pumping system coordinates multiple linear units to maintain constant flow rate.

Insulative terminal covers and guide projections protect electrodes from electrochemical corrosion in high conductivity fuels while simplifying assembly.

Hydraulic valve drive mechanism synchronizes intake and discharge operations, eliminating grid converters for large-capacity energy storage.

Spiral wings lift oil through a hollow shaft to overcome surface pressure limits, enabling efficient lubrication at lower RPM.

Concentric shafts with skewable head profiles lock pump plungers, enabling stuffing box access without visual confirmation.

Unitary check valve assemblies eliminate threaded retainers to prevent fatigue failure under high pressure cycling.

A fluid circulation pump uses cooperating supports to enable tool-free assembly of the actuating member.

Segmented standards with transverse handles enable ergonomic lifting of heavy fittings, resolving the trade-off between robustness and handling ease.

A drive shaft eccentric connection uses clamped wedge rings to transmit torque in reciprocating pump assemblies.

Segmented pistons with magnetic coupling eliminate electrical noise from plastic flexing while maintaining steady medical infusion rates.

Segmented bellow sealing prevents engine oil dilution while maintaining reliable fuel pressure in common rail systems.

A micro-electromechanical fluid control device uses piezoelectric membranes to drive actuating layers for precise fluid transport.

Liquid compression replaces mechanical systems to reduce maintenance costs while maintaining dry gas output.

A suction cover assembly uses a plug and retention segments to secure the component within an access port.

Segmented composite panels with foam layers attenuate sound emissions from hydraulic fracturing machinery.