High Efficiency Low Emission Hybrid ICE: By simply splitting the ring-section from its skirt - to be operated by a (valvetrain-like) piston-train to pump the gases during the intake and exhaust strokes, and combined with the skirt to complete the compression and power strokes - can achieve the hybrid. Which completes the 4 strokes, different in both displacements and periods, in every engine revolution - called D-cycle (Differential-stroke cycle) - a hybrid of the 2-/4-cycles. The D-cycle’s controllable exhaust strokes can be shortened to retain high amount of burnt gases to control the ignition initiation and combustion rates for the HCCI/LTC (homogeneously charged compression ignition with low temperature combustion). When combined with the (gasoline type) stoichiometric air/fuel ratio intake under high-compression ignition, it is the diesel-gasoline hybrid with the benefits of both - called SCCI/LTC-BGR (Burnt Gas Retention). The resultant hybrid can have Atkinson-cycle strokes, whole engine working at lower rpm, fewer cylinders with lighter engine support and vehicle styling, weight and efficiency gains, and etc. Diesel engines can avoid soot and NOx formation saving expensive after treatments with lower noises. Gasoline engines can enjoy

@MechanicsX

5 ай бұрын

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