gear pump

noun

1. lobular pump.

Word History and Origins

Origin of gear pump¹

First recorded in 1920–25

Example Sentences

But some moments in this outsize take on “The Fugitive” hit a real nerve, such as a shootout in an office building where young bearded white men in tactical gear pump thousands of rounds into drywall and office furniture.

From Los Angeles Times

There still was no carburetor, a gear pump metering the fuel in the same manner as on the 1904-1905 engine.

From Project Gutenberg

Lubrication was by means of the usual gear pump, and the piston and rod bearings continued to be splash-fed.

From Project Gutenberg

The oil pump assembly comprises a pair of plunger pumps which draw oil from a separate outside pump, and constructed integrally with it is a gear pump which delivers the oil under about 60 pound pressure through a set of copper pipes in the base to the main bearings.

From Project Gutenberg

A large gear pump is located in the lowest point of the oil sump, and being submerged at all times with oil, does away with troublesome stuffing boxes and check valves.

From Project Gutenberg