Aluminum alloy valve spring retainer and method of making same

Details Aluminum alloy valve spring retainer and method of making same Aluminum alloy valve spring retainer and method of making same

1997-03-12

1999-05-11

Chambers, A. Michael

Fluid handling

Processes

251337, 251368, 1231883, F01L3/02

Patent

active

059017287

ABSTRACT:
The lower surface of a valve spring retainer is engaged on a valve spring in a valve operating mechanism of an internal combustion engine. The valve spring retainer is subjected to T6 treatment under JIS (Japanese Industrial Standard), and machined as finishing. The lower surface of the valve spring retainer is not machined, and remains as subjected to T6 treatment, thereby improving fatigue strength and wear resistance.

REFERENCES:
patent: 3273856 (1966-09-01), Tauschek
patent: 3416771 (1968-12-01), Updike
patent: 3466009 (1969-09-01), Giles
patent: 5370092 (1994-12-01), Shimizu et al.

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