Adjustable valve timing system

Details Adjustable valve timing system Adjustable valve timing system

2006-04-06

2008-07-22

Eshete, Zelalem (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090310

Reexamination Certificate

active

07401583

ABSTRACT:
An adjustment device for changing the relative rotation between a cam and a crankshaft is provided. The adjustment device includes a driven device operatively connected to the crankshaft. The driven device has a first plurality of channels directed radially inward toward a central axis. The adjustment device also has a hub axially aligned with the driven device along the central axis and connectable to the cam. The hub has a second plurality of channels directed inward toward a point radially offset from the central axis.

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patent: 6318321 (2001-11-01), Kensok et al.
patent: 6532923 (2003-03-01), Woodward et al.
patent: 6684837 (2004-02-01), Miyakoshi
Saavedra, Larry, “Making Sense of Cam Gears,” 8 pages, (undated).
Saavedra, Larry, “Making Sense of Cam Gears,” http://forums.trinituner.com/forums/archive/makeing-sence-of-cam-gears-38163.htm, online posting dated Nov. 23, 2004, 7 pages.

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