Patent ID: 6292726
Filing Date: 2001-09-18
Classification: B60K,F02B,Y10T

Abstract:
A system for controlling the switching on of ancillary equipment driven by an engine of a vehicle, said ancillary equipment being arranged to be driven by said engine until at least a minimum operating level relating to the status of said ancillary equipment is attained, said system comprising:first means for determining whether said engine is driving said vehicle;second means for determining whether said vehicle is braking, andthird means for determining whether said vehicle is coasting,wherein said first means will cause said ancillary equipment to be switched on only if the status of said ancillary equipment is below a predetermined minimum level (P.sub.min);said second means will cause said ancillary equipment to be switched on if the status of said ancillary equipment is below a predetermined maximum level (P.sub.max); andsaid third means will cause said ancillary equipment to be switched on only if the status of said ancillary equipment is below a predetermined intermediate level (P.sub.int) between said maximum level (P.sub.max) and said minimum level (P.sub.min).