Patent ID: 6651600
Filing Date: 2003-11-25
Classification: F01L

Abstract:
A rotary piston adjuster for adjusting the angular position of the camshaft of an internal combustion engine, said adjuster comprising an outer rotor connected to a drive pinion and an inner rotor connected to the camshaft, the outer rotor comprising at least one hydraulic chamber having radial separating walls and the inner rotor comprising at least one pivoting vane that sealingly divides the hydraulic chamber into working chambers A and B and can pivot hydraulically between a retard stop position and an advance stop position, said adjuster further comprising a locking device suitable for detachably connecting the outer and the inner rotors, characterized in thatthe locking device (8) comprises a disc-shaped bushing (11) that is connected to the inner rotor (3) and comprises a peg (23) on an outer periphery, said locking device further comprising a locking body (33) that is configured as a flat slide and is connected to the outer rotor (2), said locking device (8) with all components thereof is arranged in an attachment (4) of the rotary piston adjuster, which attachment comprises an intermediate plate (5) having a side washer (6) and a cover (7) and is configured as an end closure of the outer rotor (2) on an end directed away from the camshaft.