Positive-displacement pump
A fluid pump that moves a specific volume of fluid each time it rotates. Spur-gear pumps, gerotor pumps, and vane pumps are all positive-displacement pumps.
Aviation Maintenance Technician Handbook — Powerplant, p. G-21
A fluid pump that moves a specific volume of fluid each time it rotates. Spur-gear pumps, gerotor pumps, and vane pumps are all positive-displacement pumps.
Aviation Maintenance Technician Handbook — Powerplant, p. G-21