Camshaft for controlling valves in internal combustion engines
US5307708A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 1, 1992 |
| Grant date | May 3, 1994 |
| Priority date | — |
| Expiry date | Jul 1, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/4966
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A camshaft for controlling the valves in internal combustion engines, including a shaft 1 and at least one forged cam slid- or pushed-upon the shaft and solidly connected with it, with the cam having an opening for receiving the shaft. The shaft having a segment with an increased diameter at the location of the cam compared to the other regions or segments of the shaft, this region is manufactured rollers or rolls, wherein circumferential beads or webs are generated by material displacement in the circumferential direction of the shaft, the opening in the cam for receiving the shaft is widened in a funnel-shaped manner at least on one side and at least over a portion of its axial length, and the dimension of the mouth aperture of the funnel-shaped widening corresponds approximately to the radial height of the beads or webs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.