The Ogunmuyiwa Engine Cycle

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1 The Ogunmuyiwa Engine Cycle Dapo Ogunmuyiwa M.Sc VDI Chairman / CEO Tel: (+49) Ogunmuyiwa Motorentechnik GmbH Technologie- und Gruenderzentrum (TGZ) Am Roemerturm 2 D Kaisersesch Germany

2 Contents Planetary Reciprocating Piston Engine Description Conventional Reciprocating Piston Engine Analysis Planetary Reciprocating Piston Engine Analysis The Ogunmuyiwa Engine Cycle Engine Simulation Examples Summary The Ogunmuyiwa Engine Cycle 2

3 Planetary Reciprocating Piston Engine Description 1. Housing 2. Rotor 3. Cylinder 4. Piston 5. Connecting Rod 6. Crankshaft 7. Planet Gear 8. Sun Gear 9. Intake Port 10. Exhaust Port The Ogunmuyiwa Engine Cycle 3

4 Planetary Reciprocating Piston Engine Description 1. Housing 2. Rotor 3. Cylinder 4. Piston 5. Connecting Rod 6. Crankshaft 7. Planet Gear 8. Sun Gear 9. Intake Port 10. Exhaust Port 11. Combustion Chamber 12. Link to Central Crankshaft 13. Central Crankshaft 14. Fuel Injector 4-Stroke Engine Example: The Ogunmuyiwa Engine Cycle 4

5 Planetary Reciprocating Piston Engine Description 1. Housing 2. Rotor 3. Cylinder 4. Piston 5. Connecting Rod 6. Crankshaft 7. Planet Gear 8. Sun Gear 9. Exhaust Port 10. Intake Port 11. Combustion Chamber 12. Link to Central Crankshaft 13. Central Crankshaft 14. Fuel Injector 2-Stroke Engine Example: The Ogunmuyiwa Engine Cycle 5

6 Planetary Reciprocating Piston Engine Description 1. Housing 2. Rotor 3. Cylinder 4. Piston 5. Connecting Rod 6. Crankshaft 9. Intake Port 10. Exhaust Port 15. Housing with Sun Gear 16. Sealing Ring The Ogunmuyiwa Engine Cycle 6

7 Conventional Reciprocating Piston Engine Analysis The Ogunmuyiwa Engine Cycle 7

8 Conventional Reciprocating Piston Engine Analysis The Ogunmuyiwa Engine Cycle 8

9 Conventional Reciprocating Piston Engine Analysis The Ogunmuyiwa Engine Cycle 9

10 Planetary Reciprocating Piston Engine Analysis The Ogunmuyiwa Engine Cycle 10

11 Planetary Reciprocating Piston Engine Analysis The Ogunmuyiwa Engine Cycle 11

12 Planetary Reciprocating Piston Engine Analysis The Ogunmuyiwa Engine Cycle 12

13 Planetary Reciprocating Piston Engine Analysis The Ogunmuyiwa Engine Cycle 13

14 The Ogunmuyiwa Engine Cycle The patented Ogunmuyiwa Engine Cycle for engines with their cylinder axes arranged substantially tangentially to a circle centered on main shaft axis, enables combustion to be carried out during the compression stroke of the cycle without damaging the engine. In this revolutionary cycle, during the period of combustion of the working fluid on the compression stroke, the burnt gases are successively compressed, causing a temperature increase, which supports the subsequent combustion of the unburnt gases so as to improve the opportunities for achieving a more complete combustion. This provides a combustion cycle independent of the current inhibitive combustion timing constraints to deliver a more complete combustion, enabling higher power densities, higher thermal efficiencies and lower raw HC & CO emissions to be achieved. This will enable vehicle manufacturers to meet the EU 6b, EU 6c and 2020 CO2 emissions levels with significantly reduced after treatment requirements The Ogunmuyiwa Engine Cycle 14

15 The Ogunmuyiwa Engine Cycle Pressure versus Crank Angle Diagram The Ogunmuyiwa Engine Cycle 15

16 The Ogunmuyiwa Engine Cycle 2-Stroke P-V Diagram P V The Ogunmuyiwa Engine Cycle 16

17 The Ogunmuyiwa Engine Cycle 4-Stroke P-V Diagram P The Ogunmuyiwa Engine Cycle 17 V

18 Engine Simulation Example 4-Stroke Normal Aspirated Engine: Bore: mm Stroke: mm Number of Cylinders:... 6 Engine Capacity: cc Engine Output Shaft Speed: rpm SFC: g/kwh Indicated Thermal Efficiency: % The Ogunmuyiwa Engine Cycle 18

19 Engine Simulation Example 2-Stroke Supercharged Engine (High Performance Motorbike Benchmark): Bore: mm Stroke: mm Number of Cylinders:... 4 Engine Capacity: cc Engine Output Shaft Speed:... 10,000 rpm SFC: g/kwh Indicated Thermal Efficiency: % The Ogunmuyiwa Engine Cycle 19

20 Summary The Ogunmuyiwa Planetary Gears Reciprocating Piston Engine (Ref. WIPO Publication: WO , Claims: 5-7, 9, 11-21) is able to achieve significantly higher thermal efficiencies than those possible with current gasoline and diesel engines; The patented Ogunmuyiwa Engine Cycle takes advantage of the knock resistant geometry of this engine concept to provide a combustion cycle independent of the current inhibitive combustion timing constraints to deliver a more complete combustion, enabling higher power densities, higher thermal efficiencies and lower raw HC & CO emissions to be achieved; This will enable vehicle manufacturers to meet the EU 6b, EU 6c and 2020 CO2 emissions levels with significantly reduced after treatment requirements The Ogunmuyiwa Engine Cycle 20

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