Methods and systems are provided for controlling canister purge flow in a boosted engine. An example method for the boosted engine comprises, during boosted conditions, flowing stored fuel vapors from a canister into an ejector coupled in a compressor bypass passage, the flowing bypassing a canister purge valve. The method further comprises, responsive to a canister load higher than a threshold load, closing a canister vent valve coupled to the canister, and discontinuing flowing stored fuel vapors from the canister into the ejector.
Система и способ (варианты) регулирования продувки канистры улавливания топливных паров
2017-10-18
Patent
Electronic Resource
Russian
IPC: | F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
СИСТЕМА И СПОСОБ (ВАРИАНТЫ) РЕГУЛИРОВАНИЯ ЭЖЕКТИРУЮЩЕГО ПОТОКА ЧЕРЕЗ ВЫТЯЖНОЕ УСТРОЙСТВО
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СПОСОБ (ВАРИАНТЫ) И СИСТЕМА ДЛЯ РЕГУЛИРОВАНИЯ РАБОТЫ ДВИГАТЕЛЯ В ЗАВИСИМОСТИ ОТ МЕТЕОДАННЫХ
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European Patent Office | 2017