Patent ID: 11912262
Assignee: FORD GLOBAL TECHNOLOGIES, LLC
Field: Transport (Mechanical engineering)
Classification: CPC B  F  Y | IPC B  F

Claim 6:
7. A method for controlling a powertrain of a vehicle comprising:
responsive to a request for torque from an air-conditioning (AC) compressor, an available BISG torque from a belt-integrated starter generator (BISG) being insufficient to satisfy the request, and an absence of demand for negative torque from the engine to decelerate the vehicle, mechanically couple the BISG and an engine to a shaft of the AC compressor and retard spark timing of the engine,
responsive to the request, the available BISG torque being sufficient to satisfy the request, and the absence of the demand, mechanically couple the BISG to the shaft without retarding the spark timing of the engine, and
responsive to the request, the available BISG torque being sufficient to satisfy the request, and presence of the demand, wherein the demand exceeds a threshold value, mechanically couple the engine to the shaft without mechanically coupling the BISG to the shaft.