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
2020-10-22
Patent
Electronic Resource
English
System and method of securing brake booster negative pressure
European Patent Office | 2021
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