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4 Lobe in 5 Lobe GEROTOR (GEnerated ROTOR)

4 Lobe in 5 Lobe GEROTOR (GEnerated ROTOR). Internal Gear Pump Jordan Harris: 4M-C. Common Applications. Pumping viscous liquids at low speeds Mostly used as oil pump in engines Large presence in automotive industry Lubricates engine/transmission components

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4 Lobe in 5 Lobe GEROTOR (GEnerated ROTOR)

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  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. 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

  4. History of Gerotors • W. Henry Nichols: First to develop gerotor mass production in 1920’s • 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

  5. Sources • http://www.parker.com/ead/cm2.asp?cmid=8957#whyGerotor • http://www.parker.com/ead/cm2.asp?cmid=8957#whyGerotor • http://en.wikipedia.org/wiki/Gear_pump • http://www.craneaerospace.com/Solutions/Fluid/pdp_gerotor_pumps.htm • http://www.tushacopumps.com/our_pumps/seriesRTBP/seriesRTBP.htm

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