Engine Of Intermeshing Engagement Type TRIZ Cases

An integrated support pin gives the running spindle axial support on the pressure side, preventing offset during short-term rotation reversal.

Variable-profile screw rotors with changing diameter and helix geometry cut radial leakage and improve high-speed compression efficiency.

Variable rotor profiles and helix geometry reduce radial leakage, remove blow holes, and improve screw compressor pressure ratio.

Recessed concave discharge sides let hydraulic pump gears use more teeth to cut noise and pressure ripple without losing specific flow rate.

Lubricated polymer screws and casing parts cut friction, wear, and vibration in screw pumps while improving flow efficiency and durability.

Port edges shaped to rotor lobe contours improve intake and exhaust timing in two-stroke rotary engines while supporting port integrity.

Variable rotor profiles and outer diameters cut radial leakage and port losses while improving screw compressor efficiency at high speeds.

Rotationally indexed stator sections secured by housing deformation improve rotor-stator alignment, sealing, and wear life in downhole motors.

Variable rotor profiles and right- and left-hand helices reduce radial leakage, improve sealing, and increase screw-compressor efficiency.

Variable ports and a rotatable hub schedule fluid flow, limit leakage, and support adjustable compression ratios.

A lubricant supply unit maintains a film at the screw rotor’s high-pressure end face, preventing casing contact during interruptions.

Segmented inflows and wobbling rotors fill chambers fully, reducing pressure peaks.

Eccentric lenticular rotors maintain apexes within a defined orbital pattern, resolving clearance conflicts at high RPMs while increasing power strokes.

A wobbling pump shaft redirects radial forces to an axial direction, eliminating bearing wear and enabling higher working pressures.

Segmented rotary pistons engage gears to reduce friction and noise while creating high pressures without complex mechanical lubrication systems.

A fuel pump casing includes a recessed portion that prevents displacement when foreign substances lock the rotors, maintaining efficiency.

A rotary machine uses complementary discs to vary enclosed volume in three dimensions for continuous fluid displacement.

A rotary fluid flow device uses frusto-conical screw geometries and hybrid bearings to achieve high volumetric throughput.

A geared hydraulic apparatus uses curved tooth profiles to minimize fluid encapsulation noise and pulsation during gear meshing.

A gear wheel tooth features a cutting edge groove that removes material from the pump housing during rotation.

Integrating a spherical ring-shaped outer contour into the rotor eliminates the separate housing component, reducing gap losses and wall friction.

Independent electric motors drive meshing rotary pistons with helical blades to eliminate torque differences and reduce bearing wear.

A fuel pump housing incorporates a recessed portion to enable elastic deformation of the outer circumferential side.

A hydraulic tool uses a removable coating to maintain rotor-stator clearance during operation.

Dual relief holes in the balancing plate release trapped fluid pressure, preventing braking forces during startup and ensuring smooth rotational movement.

A coupling assembly interconnects upper and lower rotor sections using drive and socket adapters with alignment surfaces.

A bottom-hole progressive cavity motor drives the pump directly using fluid pressure.

Tapered grooves in the control ring adjust land size during rotation, resolving pre-compression trade-offs that cause pressure pulses and vibrations.

Water injection lubricates pistons in a heat machine, reducing friction and wear while boosting efficiency.

Intermeshing rotor teeth create discrete chambers that adapt to varying flow rates while decompression holes reduce cavitation risks.

Variable helix angle eliminates axial thrusts and manufacturing cusps while reducing mechanical vibrations in hydraulic gear apparatuses.

Segmenting the drive into individual motors eliminates bulky gear transmissions, reducing mass and losses in compact positive displacement machines.

A rotary drive unit with a toroidal cylinder and triads of pistions reduces mechanical friction.

Moving a rotor axis varies leakage flow in an external gear pump, enabling independent flow control while maintaining efficiency at low rates.

An integral pressure balancing mechanism in a gerotor motor compensates for pressure imbalances using a shuttle valve with check balls.

A miniaturized PDM test coupon in a sealed chamber applies braking torque to simulate downhole stress loading while reducing drilling fluid volume requirements.

Gear-driven actuators synchronize chamber positions during curing, reducing maintenance time and preventing particle contamination from repeated detachment.

A hollow gerotor rotor design reduces moving mass while maintaining structural integrity through spaced radial walls.

Axial sliding rotors with surface compensation enable zero flow operation while preventing leakage gaps between teeth.

Selective fluid passages in the inner rotor disrupt pressure harmonics, reducing tonal noise without sacrificing pumping efficiency.

Segmented drive mechanism distributes torque across carrier shafts, reducing torsional moments and bending forces that limit pump durability.

An elastic disc capsule absorbs trapped fluid to prevent pressure ripples in meshed gear pumps.

A screw compressor balance mechanism uses a slide bearing to manage thrust loads on the rotor shaft.

An aerosol generator unit concentrates lubricant within the working medium flow to deliver particles directly to expansion device points.

Shape memory alloys dynamically adjust rotor stator spacing to counter thermal degradation and wear in downhole drilling motors.

A rotary piston engine uses identical joints to absorb high torque while sealing elements maintain pressure in working chambers.

Liquid injection cushions pressure peaks to prevent structural overload while maintaining efficiency at normal inlet pressures.

Segmenting the inner wall with a localized groove stabilizes the outer rotor while preventing fluid leakage into the discharge path.

Segmented drive shafts mount in the stator to resolve length-friction trade-offs by distributing radial loads.

An N-profile screw expander aligns gate rotor torque directions to eliminate chatter noise while maintaining efficiency.