A method of securing brake booster negative pressure is provided. The method includes operating a purge pump that is connected to a canister having evaporation gas absorbed thereon and a brake booster and determining whether the evaporation gas is injected into an intake pipe by the operation of the purge pump. Whether a negative pressure of the brake booster is insufficient is determined and when the evaporation gas is being injected into the intake pipe and the negative pressure is insufficient, a degree of opening of a valve provided in a line connecting the canister and the purge pump is adjusted.
SYSTEM AND METHOD OF SECURING BRAKE BOOSTER NEGATIVE PRESSURE
22.10.2020
Patent
Elektronische Ressource
Englisch
System and method of securing brake booster negative pressure
Europäisches Patentamt | 2021
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