System and method for generating vacuum for a vehicle

摘要

Systems and methods for improving generation of vacuum for a vehicle are disclosed. In one example, an air conditioning compressor bypass valve is selectively activated to improve generation of vacuum by an engine. The systems and methods may reduce the possibility of compressor clutch degradation.

主权项

1. A method for generating vacuum, comprising:
operating an air conditioning compressor bypass valve to reduce air conditioning compressor work in response to a request to reduce air conditioning compressor load for less than a predetermined amount of time, where an air conditioning compressor is selectively coupled to an engine, and decoupling the air conditioning compressor from the engine via a clutch.