Pump gear

the apparatus belonging to a pump.

See also: Pump

References in periodicals archive ?
Trident blends smart device capable technology with the best features of DEMA's legacy dispensers such as quick change pumps and durable pump gear motors.
The pump gear is designed with corrected teeth, according to SR ISO 53: 2011 SR ISO 701: 2011 and ISO SR 677: 2011 [4].
The pump gear blanks are double-disc ground for face parallelism and width, then rebored on an automated lathe to re-qualify the perpendicularity.