Positive Displacement Pump Components TRIZ Cases

External valve actuation guide synchronizes pump valves with plunger movement, reducing cavitation and water hammering damage.

A plastic connection sleeve isolates the discharge pipe from the compressor shell to prevent heat damage during hermetic sealing.

A fluid pumping system with an eccentric member controls piston displacement to modulate flow through a vibration isolator.

Nested inner and outer flow paths in a high pressure pump valve seat reduce required valve lift while maintaining sealing reliability against wear gaps.

A segmented exhaust flow and three-way valve recover heat from turbine gases to preheat lubrication oil while minimizing backpressure.

A dual-pump hydraulic circuit supplies variable flow to cylinder chambers, enabling rapid tilt adjustment during stoppage and precise trim control while sailing.

A porous sintered alloy journal bearing moves refrigerant oil through its structure to form a stable lubricating film between the shaft and bearing.

Electro-magnetic spring adjusts stiffness for resonant operation, reducing friction and control complexity.

Dual permanent magnet motors directly couple to the pump crankshaft, eliminating intermediate transmission components and reducing system footprint.

Segmented pockets on the piston and shoe surfaces create a dynamic hydrostatic bearing that maintains lubrication under high-load conditions.

An integrally formed centering cone with specific geometric ratios prevents axial offset in high-pressure pump pistons, reducing uneven wear.

A moveable plug deforms into a variable volume plate cavity to eject precise fluid volumes from an inverted chamber.

A bilge pump strainer retaining tab with a raised rim secures the assembly while concealing the vent hole to prevent water leakage.

Adjustable elastic coefficients in leak-proof portions prevent liquid dripping at pump ports.

Segmented anchor and rod design absorbs collision energy to reduce noise while maintaining electromagnetic attraction force.

Segmenting the cooling device outside the housing allows downsizing the enclosure while the isolator dampens mechanical disturbances.

A cam-based linkage assembly connects the occlusion bed to the lid, distributing forces across an extended surface area.

Segmented HASEL actuators displace dielectric fluid to drive transfer bladders, eliminating hydraulic transport losses and boosting flow rates.

A double acting hydraulic pressure intensifier integrates a switching valve element into the housing bore alongside low pressure pistons.

A compressor motor increases rotating speed to thermally expand a lip ring seal member.

Tubular discharge passageway with tuned holes minimizes flow loss while reducing NVH in AC compressors.

A flexible coupling transfers motion between the mover and piston in a linear compressor while minimizing side pull forces.

Segmented drain conduits and adapter fins direct uniform oil distribution to bearing surfaces, preventing premature failure from insufficient lubrication.

A compressor outlet channel functions as a switchable dead space via an auxiliary valve to relieve drive stress.

Nesting a carrier part inside the crankshaft housing eliminates external flanges, reducing axial installation space while maintaining clutch accessibility.

Axial and radial drillings in the driveshaft force-feed cool fuel to bearings, preventing debris accumulation and extending bearing life.

Segmented electromagnet pedestal members allow single-unit piston assembly insertion, eliminating interference with drive chamber pedestals.

Segmented axial bands on a hermetic compressor piston minimize clearance and friction to prevent lubricant seepage from the connecting pin hole.

Replacing sharp intersections with a spherical chamber and curved transition reduces peak stress by 20% to prevent fatigue failure under high pressure.

A fan motor uses reverse airflow through internal openings to cool components via forced convection.

Pivotable footrest portions collapse inward to minimize transportation volume while maintaining operational stability.

A compressor discharge cover integrates a coupling space between plenums to increase acoustic equivalent mass and reduce refrigerant pulsation.

A composite cylinder head employs a foamed aluminum inner cover to reduce suction temperature and vibration in piston compressors.

A universal pump adapter enables interchangeable drive configurations through magnetic coupling mechanisms.

Integrated inverter case acts as a radiator to cool heat generating components, reducing compressor size and weight.

Adjustable motor housing accommodates varying stator dimensions, eliminating costly crankcase modifications and reducing tooling expenses.

A high-pressure pump housing divides its outer wall into radial regions to position the electromagnetic driving unit and discharge passage away from bolt holes.

An inner housing element divides a plastic suction muffler volume into two nested chambers, reducing noise while lowering production costs.

A modular dosing pump system uses microprocessor control to deliver precise fluid volumes across wide flow ranges.

Matching hydraulic diameter of the D-shaped cut-out to the inlet bore minimizes pressure drops and prevents cavitation in high-flow pumps.

Replacing mechanical guide rings with a magnetic bearing eliminates piston-cylinder wall contact, reducing wear and enabling higher rotational speeds.

An integrated vacuum pump compacts particles in a neck brace to form a custom mold, eliminating manual adjustment delays while maintaining venous blood flow.

Dual connecting shafts in a hand grip mechanism reduce operating force at the end of the pressing cycle without compromising initial movement efficiency.

Dual-stage compression with outphased pistons achieves 60-120 bar pressure while minimizing vibrations in air rifles.

Oil groove establishes fluid communication between supply bore and feeding port, renewing oil film in high-load areas to prevent bearing seizure.

Single fastening bolt connects pump units through a central valve unit to streamline assembly operations.

A power conversion circuit board integrates high and low voltage circuits on one surface to manage electromagnetic interference in electric compressors.

Different nozzle injection port diameters overcome high-stage pressure differences, maintaining lubricant flow while cooling air during compression.

A downhole pump plunger uses a sand snare chamber to capture abrasive particles before they reach the fluid seals.

Positioning resonant spring centers on a common circumference balances forces, preventing eccentric rotation and vibration in reciprocating compressors.