constant-displacement pump

constant-displacement pump

A pump that moves a constant volume of fluid in each rotation. Some form of pressure relief valve or pressure regulator is used with a constant-displacement pump. Gear pumps, vane pumps, and gerotor pumps are some of the constant-displacement pumps. See fixed-displacement pump.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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