Internal-combustion engines – Poppet valve operating mechanism – Rod
Patent
1986-02-27
1989-01-17
Argenbright, Tony M.
Internal-combustion engines
Poppet valve operating mechanism
Rod
291564R, 74567, 228135, F01L 146, F16H 5300
Patent
active
047981784
ABSTRACT:
The method of manufacturing the compound camshaft comprises the steps of placing cast journal or bearing elements and/or cast cam elements on a camshaft body and fixedly connecting or securing such elements at the camshaft body. The cast journal or bearing elements and/or the cam elements contain an opening which is bounded by an internal profile or contour having a configuration which is governed by the type of connection to be made between such elements and the camshaft body. The internal profile or contour may be of a substantially conical shape and is at least partially left in a mechanically untreated condition. The compound camshaft thus obtained is optimized with respect to wear and weight and there are neither required cost-intensive and time-consuming operations, especially machining operations, nor complicated working steps during the manufacturing process.
REFERENCES:
patent: 4597365 (1986-07-01), Madaffer
patent: 4644912 (1987-02-01), Omeha et al.
patent: 4732310 (1988-03-01), Omeha et al.
Greulich Walter
Gut Karl
Hornung Klaus
Schulte Guther
Argenbright Tony M.
Georg Fischer Aktiengesellschaft
Kleeman Werner W.
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