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US 6,257,190 B1Granted
Cam operating system
OwnerTerry Glyn Linebargerinventor
Life of this patent
Estimating the term…
Abstract
A cam system to generate valve actuation in an engine that includes a circular camlobe rotated about a first axis is described. The first axis is a preselected distance from the centerpoint of the circular camlobe. The cam system also includes a cam-follower that surrounds the camlobe and that has an inner oval surface with a major and minor axis. The inner oval surface is in moving contact with the circular camlobe during rotation of the camlobe.
Claims4
A valve comprising:
- a) a body comprising a first material of titanium, the body having a stem portion and a valve head at a first end of the stem portion;
- b) a skin covering at least a portion of the body, the skin comprising a second material of high tensile strength steel.
A valve comprising:
- a) an internal plug comprising titanium with first and second ends, the first end comprising a stem and the second end flaring into a head;
- b) a tubular section comprised of a steel alloy sheathing the internal plug.
Dependencies are inferred from the claim text.