Harmful IC engine exhaust gas contents reduction system - uses short term retard on acceleration to reduce pollutant peak values
The system reduces the amount of harmful products in the exhaust gas from a combustion engine by retarding the ignition point for a short interval of time when the vehicle accelerates. The start and duration of this retardation depend on the speed, various electrical, pneumatic, hydraulic or mechani...
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Format: | Patent |
Sprache: | eng ; ger |
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Zusammenfassung: | The system reduces the amount of harmful products in the exhaust gas from a combustion engine by retarding the ignition point for a short interval of time when the vehicle accelerates. The start and duration of this retardation depend on the speed, various electrical, pneumatic, hydraulic or mechanical parameters, and on the pressure in the exhaust pipe. With the exhaust pipe are associated two membranes: one (3) providing advance during acceleration and the other (7) acting against it and producing brief retardation. |
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