Name

1

• Name
• Harmit Singh Grewal
• Topic
• 4 Lobe in 5 Lobe Oil Pumps
• Objective
• Manufacturing Techniques
• Heat treating of steel parts
• How lobes were cut
• 2. Advantages and Disadvantages

2
Manufacturing Techniques

• Rotors are constructed out of 316L Stainless
  Steel
• Corrosion resistant
• Most resistant metal when working in Chloride
• Machined slowly due to material
• Heated to 1010-1120C and cooled rapidly

3
Advantages

• Easy to service and easy to clean
• High Efficiency
• Can handle Solids and liquids
• Can operate dry for brief periods of time
• Independent of pressure
• No pulsating action

4
Disadvantages

• Requires timings gears
• Requires two seals
• Not effective when using high-viscosity
  substances
• Considerable wear due to metal to metal touching

5
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6
Common Uses

• Food processing.
• Beverages.
• Dairy Produce.
• Personal Hygiene Products.
• Pharmaceutical.
• Biotechnology.
• Chemical.
• Industrial.
• Medium and heavy duty cycles.
• Cars, run by the crankshaft

7
Works Cited

• www.azom.com/details.asp?ArticleID2382_Welding
• www.vikingpump.com/products/rotary_lobe_pumps/rota
  ry_lobe_pumps.htm
• www.indiacar.com/index2.asp?pagenamehttp//www.in
  diacar.com/infobank/oilpumps.htm
• www.pumpschool.com/principles/lobe.htm

8
In Conclusion

• High Efficiency
• Cheaper
• Can run dry
• Very strong materials
• Easy to clean
• Considerable Wear and Tear
• Timing Gears