Patent ID: 7086975

Claim:
A serpentine accessory-belt, aggregate, drive arrangement for an internal combustion engine, comprising: a drive pulley connected to a crankshaft for rotation therewith and located at a lower central portion of the engine; a first accessory aggregate pulley which, when seen in a vertical direction, is located above said drive pulley and, when seen in a horizontal direction, is spaced in a first direction from said drive pulley; an accessory aggregate pulley set including a second accessory aggregate pulley which, when seen in a horizontal direction, is spaced in a second direction opposite to said first direction from said drive pulley, and a third accessory aggregate pulley which, when seen in a horizontal direction, is located at a level of said second accessory aggregate pulley and, when seen in a vertical direction, is located below said second accessory aggregate pulley; and an idler/tensioning pulley set which includes an adjustable tensioning pulley and two idler pulleys, said idler pulleys having an upper pulley and a lower pulley, with said tensioning pulley, when seen in a vertical direction, located between said two idler pulleys, and wherein the idler/tensioning pulley set, when seen in a horizontal direction, is spaced in said second direction from said drive pulley and is located between said drive pulley and said accessory aggregate pulley set, with a serpentine belt extending from said drive pulley to said tensioning pulley, from said tensioning pulley to said first accessory aggregate pulley, from said first accessory aggregate pulley to said upper pulley, from said upper pulley to said lower pulley, from said lower pulley to said second accessory aggregate pulley, from said second accessory aggregate to said third accessory aggregate pulley, and from said third accessory aggregate pulley to said drive pulley.