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US 8,584,634 B2Granted
Phaser built into a camshaft or concentric camshafts
AssigneeBorgWarner Inc.
InventorMark M. Wigsten
Life of this patent
Estimating the term…
Abstract
A camshaft assembly for an internal combustion engine comprising: a hollow outer shaft 2, an inner shaft 4, cam lobes 6, 8, a phaser 42, 32, and a remote control valve 16. The inner shaft 4 is received within the hollow outer shaft 2. The phaser 42, 32 is mounted to the inner and outer shafts 4, 2. The remote control valve 16 controls the flow of fluid to and from the phaser 42, 32 through a plurality of passages 22, 24, 26, 28 and the inner shaft 4.
Claims9
A camshaft assembly 40 for an internal combustion engine comprising:
- a hollow outer shaft 2;
- an inner shaft 4 received within the hollow outer shaft 2;
- at least one cam lobe 6, 8 attached to the outer shaft 2 and at least one other cam lobe attached to the inner shaft 4;
- a phaser 42 mounted to the inner and outer shafts 2, 4;
- a remote control valve 16 controlling the flow fluid to and from the phaser 42, 32 through a plurality of passages 22, 24, 26, 28, 52, 54 and the inner shaft 4;
- and
- an oil transfer sleeve 50 inserted within the inner shaft 4 and aligned with the phaser and the plurality of passages 52, 54 in fluid communication with the remote valve 16.
4 more elements
Dependencies are inferred from the claim text.