Powdered metal camshaft assembly
OwnerRonald J. Hoffman, Jens K. Olseninventors
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Abstract
A camshaft assembly comprising a shaft, a lobe, a gear, and a boss portion is disclosed. The lobe includes a first powdered metal and has a first density, while the gear includes a second powdered metal and has a second density. The boss portion is formed on one of the lobe or gear, and has an aperture sized to cooperate with the shaft and a periphery cooperating with the other of the lobe or gear to fix the lobe against rotation relative to the gear. The boss portion has a third density less than the density of the lobe or gear on which the boss portion is formed. A method of making a camshaft component is also disclosed.
Claims13
A camshaft assembly comprising:
- a shaft;
- a lobe including a first powdered metal and having a first density;
- a gear including a second powdered metal and having a second density;
- and
- a boss portion formed on one of the lobe or gear, the boss portion having an aperture sized to cooperate with the shaft and a periphery cooperating with the other of the lobe or gear to fix the lobe against rotation relative to the gear, the boss portion having a third density less than the density of the lobe or gear on which the boss portion is formed.
Dependencies are inferred from the claim text.