Camshaft adjusting system having a second camshaft which is supported on the stator in the axial direction
AssigneeSchaeffler Technologies AG & Co. KG
InventorsJurgen Weber, Marco Hildebrand, Daniel Heise
Life of this patent
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Abstract
A camshaft adjusting system (1) for a first camshaft (2) and a second camshaft (3) which are arranged concentrically with respect to one another is provided, with the second camshaft (3) being arranged within the first camshaft (2). A hydraulic camshaft adjuster (4) of the vane cell type is set up to adjust the first camshaft (2), and an electric camshaft adjuster (5) is set up to adjust the second camshaft (3). The second camshaft (3) is supported in the axial direction on a stator (6) of the hydraulic camshaft adjuster (4). Further, a camshaft adjusting unit is provided including the camshaft adjusting system (1) and two camshafts (2, 3).
Claims20
A camshaft adjusting system for a first camshaft and a second camshaft which are arranged concentrically with respect to one another, the second camshaft being arranged within the first camshaft, the camshaft adjusting system comprising:
- a hydraulic camshaft adjuster of the vane-cell type configured to adjust the first camshaft, the hydraulic camshaft adjuster including a stator;
- an electric camshaft adjuster configured to adjust the second camshaft;
- and
- the stator including a support that is adapted to axially support the second camshaft.
A camshaft adjusting unit, comprising:
- a first camshaft;
- a second camshaft arranged concentrically within the first camshaft;
- and
- a camshaft adjusting system comprising:
- a hydraulic camshaft adjuster of the vane-cell type connected to the first camshaft, the hydraulic camshaft adjuster including a stator;
- an electric camshaft adjuster that connected to the second camshaft;
- and
- the stator including a support that axially supports the second camshaft.
Dependencies are inferred from the claim text.