Technology Presentation

Intake Stroke Stage - 3

Stage 3 of the intake Stroke:

·         Both engine pistons have reached the maximum V_Eab and V_EC indicating that the intake Stroke is finished

·         AB Engine has expanded the trapped intake gas in the combustion chamber, lowering pressure and temperature according to an adiabatic process

·         During expansion 2-3 in the AB Engine, the gas did work W_X1 which is shown on the P-V diagram. This work can be positive or negative depending on the pressure in the crankshaft area.

·         At this point, high pressure intake valves are closed in both engines

·         After closing the high pressure valve, the AB Engine controller sends an open signal for the AB Engine Low Pressure Intake Valve to stay open for the remaining engine cycle

·         Conventional engine finishes intake Stroke with an initial T₁ and P₁ gas pressure and temperature in combustion chamber

·         Both engines have the combustion chamber filled with the amount of gas necessary for maximum power output from each cycle

·         This point is also the beginning of the Compression Stroke for both engines

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