Stamped target wheel for a camshaft phaser

Details Stamped target wheel for a camshaft phaser Stamped target wheel for a camshaft phaser

2007-12-11

2007-12-11

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S1950HC, C123S19800E

Reexamination Certificate

active

11206510

ABSTRACT:
A target wheel for a camshaft phaser stamped and drawn from sheet metal stock. The hub region of the target wheel may be drawn such that it extends through the phaser cover plate and seals directly against the face of the rotor, allowing a shorter cam bolt and resulting in reduction in mass and cost of the phaser. Alternatively, a separate hub is formed and then attached to a simplified stamped and drawn target wheel, or a target wheel hub is formed integrally with the rotor and extends through the cover plate to mate with a simplified stamped and drawn target wheel. Preferably, the hub is formed having a neck extending through a central opening in the target wheel, which neck is peened over during assembly to secure the wheel to the hub.

REFERENCES:
patent: 4784047 (1988-11-01), Stoll et al.
patent: 5005281 (1991-04-01), Burns
patent: 5775279 (1998-07-01), Ogawa et al.
patent: 6386167 (2002-05-01), Urckfitz et al.
patent: 6732690 (2004-05-01), Pierik et al.
patent: 6802289 (2004-10-01), Miyazaka et al.
patent: 6868812 (2005-03-01), Saito et al.

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