Helical gear pump channels fluid pressure to shaft ends via introduction paths, reducing axial thrust and power consumption.
Sub-vane chambers apply periodic pressure pulses to maintain vane contact stability while reducing friction and wear.
Pivotally mounted vanes in a dual arc vane pump expand to handle heavy fluids and solids without increasing the rotor diameter.
Segmented housing lids and axial guiding surfaces allow radial stator flange extraction, resolving assembly complexity while maintaining operational stability.
Strategic groove placement compensates for housing deformation to suppress hydraulic leakage and maintain system pressure.
Carbon nanotube-reinforced elastomeric stators dissipate localized heat to prevent thermal degradation while maintaining sealing integrity.
Segmented wire retainers guide conductors away from welding heat zones to prevent thermal damage while maintaining precise orientation.
An electric pump design displaces suction and discharge openings axially on the attachment surface to reduce overall size.
Annular bore engine rotates pistons around a central axis to achieve 60% thermal efficiency and reduce pollutant formation compared to conventional designs.
Mechanical coupling replaces on-site welding to join separable stator sections, eliminating specialized jigs and handling risks.
Dual return springs bias a control ring to establish multiple equilibrium pressures, eliminating energy wastage at low engine speeds.
An offset ring in a gerotor pump enables unidirectional fluid flow despite bidirectional drive shaft rotation, eliminating complex valve assemblies.