4 Lobe in 5 Lobe GEROTOR GEnerated ROTOR

1
4 Lobe in 5 Lobe GEROTOR(GEnerated ROTOR)

• Internal Gear Pump
• Jordan Harris 4M-C

2
Common Applications

• Pumping viscous liquids at low speeds
• Mostly used as oil pump in engines
• Large presence in automotive industry
• Lubricates engine/transmission components
• Used for heating, cooling and filtering

3
(No Transcript)
4
What Are the Benefits?

• Able to handle various flow rates
• (few cc/min to 100 gal/min)
• Can maintain a range of pressures
• (vacuum to 3000 psi)
• Simplistic efficient design
• Cheap, low power consumption, less space used,
  flexible application, high contamination
  resistance, quiet

5
(No Transcript)
6
History of Gerotors

• W. Henry Nichols First to develop gerotor mass
  production in 1920s
• Small machine shop largest
  manufacturer of gerotors
• 1981 first used in an automobile (Ford Escort)
• This company makes gerotors
• Using powder metal (P/M) technology
• From wrought steel and cast iron

7
Sources

• http//www.parker.com/ead/cm2.asp?cmid8957whyGer
  otor
• http//www.parker.com/ead/cm2.asp?cmid8957whyGer
  otor
• http//en.wikipedia.org/wiki/Gear_pump
• http//www.craneaerospace.com/Solutions/Fluid/pdp_
  gerotor_pumps.htm
• http//www.tushacopumps.com/our_pumps/seriesRTBP/s
  eriesRTBP.htm