| US 7,597,078 B2 | ||
| Camshaft | ||
| Peter Kroos, Weil der Stadt (Germany); Markus Lettmann, Pforzheim (Germany); and Falk Schneider, Korntal-Münchingen (Germany) | ||
| Assigned to Mahle International GmbH, Stuttgart (Germany) | ||
| Filed on Dec. 21, 2006, as Appl. No. 11/643,610. | ||
| Claims priority of application No. 10 2005 062 208 (DE), filed on Dec. 24, 2005. | ||
| Prior Publication US 2007/0144469 A1, Jun. 28, 2007 | ||
| Int. Cl. F01L 1/04 (2006.01) | ||
| U.S. Cl. 123—90.6 [123/90.16; 29/888.1] | 6 Claims |
| 1. A camshaft (1) for automotive engines in particular having cams (3, 4) that can rotate with respect to one another about the camshaft axis (2) over limited circumferential angles, wherein
an inside shaft (5) and an outside shaft (6) are arranged coaxially one inside the other,
the mutually rotatable cams (3, 4) consist of a first cam (3) and a second cam (4), of which the first cam (3) is fixedly connected to the inside shaft (5) via a fixation device (8), and a second cam (4) is fixedly connected to the outside shaft (6) via one fixation device for each,
the inside shaft (5) and the outside shaft (6) are mounted with respect to one another, comprising the features
the first cams (3) each have a first through-bore (11) which is aligned with the respective second through-bore (12) in the inside shaft (5) when the first cam (3) has been installed,
the fixation device (8) is formed from two fixation pins (10, 10′) that have the same design with respect to its longitudinal extent, each of the pins being fixedly connected to the first
cam (3) via the first through-bore (11) and fixedly connected to the inside shaft (5) via the second through-bore (12).
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