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Gear Pump

   Also found in: Wikipedia 0.01 sec.
gear pump [′gir ‚pəmp]
(mechanical engineering)
A rotary pump in which two meshing gear wheels contrarotate so that the fluid is entrained on one side and discharged on the other.

Gear Pump 

a rotary pump with gears as working members. Involute straight-cut, helical, or herringbone gears are ordinarily used. Such pumps are simple in design, compact, and reliable. Their output ranges from 0.25 to 40 cu m per hr at pressures up to 3 meganewtons per m2 (30 kg-force per cm2). Gear pumps are used mainly for circulating petroleum products in machine lubrication systems and in hydraulic drive mechanisms.



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All systems of this supplier of extrusion systems for rubber straining applications, VMI-AZ, consist of a single screw extruder in conjunction with a gear pump and a strainer head or rapid screen changer.
Each integrated Liquid Dosing System consists of a proven mass flowmeter from either Bronkhorst's thermal mass LIQUI-FLOW or Coriolis-type CORI-FLOW series, with onboard controlling function, a closely-coupled gear pump, liquid filter of the correct mesh type and size, a check valve to avoid backflow and all interconnecting material.
The melters feature variable speed AC motors with spur gear pumps.
 
 
 
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