Internal and External Gear Oil Pumps

1
Internal and External Gear Oil Pumps

• Advantages and Disadvantages
• Lata Grover

2
Overview

• Internal Oil Gear Pumps Advantages
• External Oil Gear Pumps Advantages
• Disadvantages
• Further Information

3
Internal Gear Oil Pumps Advantages

• Evenly dispersed teeth
• Durable structure
• Non-binding teeth
• Made up of only two gears
• Can handle wide range of oils

4
External Gear Oil Pumps Advantages

• Simple Structure
• Can function at large speeds
• Pumps a precise amount of oil

5
Disadvantages

• Internal Gear Oil Pump
• Only works at low speeds
• Gears can dry out
• External Gear Oil Pump
• Produces a lot of noise
• Low speeds for high-viscosity oils

6
Further Information

• Chevy High Performance
• http//chevyhiperformance.com/techarticles/148_050
  6_how/
• Gears Manufacturers Marketplace
• http//www.gears-manufacturers.com/external-gear.h
  tml
• GlobalSpec
• http//patents.globalspec.com/partnerContent/Paten
  tDetail?docId151080358541SrchItem2query22int
  ernal20gear20pump22
• Johnson Pump
• http//www.johnson-pump.com/frameset.asp?page/OTH
  ER/Gear_Pumps/Gear_general.htmnavigationOTHER/lo
  calnavigation.asp?CompanyIdOTHERadressOTHER/adr
  ess.asp
• Pump School
• http//www.pumpschool.com/principles/external.htm