Patent ID: 7166945

Claim:
Rotary electrical machine, adaptable to various types of motor vehicle engines and comprising a casing enclosing a stator and a rotor whose spindle is supported in front and rear bearings and carries a pulley for driving by means of a belt, and removable lugs including a base part ( 17 ) and a top part ( 18 ) which are able to be mounted on the peripheral face of at least one of the bearings, each lug between two lateral support faces provided on this peripheral surface at a predetermined distance from each other in the peripheral direction of at least one of the bearings, wherein an aforementioned lateral support face ( 14 , 14 ′) is formed by the lateral face of an area of protruding material ( 12 ) on the external peripheral surface of at least one of the bearings, and wherein said base part ( 17 ) of said lug ( 16 ) is disposed between two lateral support faces ( 14 , 14 ′) opposite each other and belonging to two adjacent protruding areas ( 12 ), and wherein the two lateral support faces ( 14 , 14 ′) and the peripheral surface portion ( 21 ) of the machine, between the two lateral faces, constitute a runner for receiving and positioning said lug ( 16 ), and wherein at least one of the bearings ( 2 , 3 ) carries on its external peripheral surface a multitude of protruding areas ( 12 ) delimiting a plurality of runners; and wherein the lug ( 16 ) is fixed in its positioning runner by a clamp device ( 22 ) bearing through one part on the base ( 17 ) of the fixing lug ( 16 ) and through another part on the adjacent protruding area ( 12 ).