Spring retainer and method for manufacturing the same

Details Spring retainer and method for manufacturing the same Spring retainer and method for manufacturing the same

2007-06-12

2007-06-12

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Valve

Wear feature

C029S888400

Reexamination Certificate

active

11236092

ABSTRACT:
A spring retainer formed from a titanium alloy and comprising a cylinder and a brim formed integrally with the cylinder is disclosed. The brim has on a top thereof a slope formed such that a thickness of the brim decreases radially outwardly.

REFERENCES:
patent: 5051140 (1991-09-01), Mushiake et al.
patent: 0 985 806 (2000-03-01), None
patent: 01240639 (1989-09-01), None
patent: 7-180013 (1995-07-01), None
“Development of Titanium Alloy Valve Spring Retainers”, Mushiake et al., SAE Special Publications, No. 864, Feb. 25, 1991, pp. 41-49, XP009046186.

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