Device for changing the timing of an internal-combustion engine

Details Device for changing the timing of an internal-combustion engine Device for changing the timing of an internal-combustion engine

2007-12-11

2007-12-11

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C464S160000

Reexamination Certificate

active

11129428

ABSTRACT:
A device (1) for changing the timing of an internal-combustion engine (2) is provided that has a camshaft adjuster (5), which is supported on a non-rotating bearing journal (6). A driving wheel (8) of the camshaft adjuster (5) is driven by a crank-shaft (3) via a first traction mechanism drive (7). The rotation of the driving wheel (8) is transferred via an actuator (10) to a driven part (9), which is arranged so that it can rotate relative to the driving wheel (8). Second and third traction mechanism drives (11, 12) create a drive connection between the driven part (9) and two camshafts (4, 4a).

REFERENCES:
patent: 4508069 (1985-04-01), Dobler et al.
patent: 5138985 (1992-08-01), Szodfridt et al.
patent: 6006708 (1999-12-01), Ken et al.
patent: 6230675 (2001-05-01), Kobayashi et al.
patent: 6263843 (2001-07-01), Todo et al.
patent: 6779501 (2004-08-01), Simpson et al.

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