Valve spring retainer/locking assembly

Details Valve spring retainer/locking assembly Valve spring retainer/locking assembly

1986-03-05

1987-03-31

Chambers, A. Michael

Valves and valve actuation

Biased valve

Springs and spring retainers

123188SB, 123188SC, 251368, F01L 300

Patent

active

046537260

ABSTRACT:
A valve spring retainer and locking assembly comprising a locking member which is made screen-like and engages at least one peripheral groove of a valve stem end in a manner known per se employing a bulge, and is pressed against the valve stem end via a conical outer surface in interaction with a valve spring retainer. The locking member has the conical outer surface on the outer periphery of an umbrella-like support surface and also has a cylindrical contact surface with the valve stem on the groove side facing towards the free valve stem end. The valve spring retainer is supported against the screen of the locking member, is made of fiber-reinforced plastic and in the area of the conical outer surface of the umbrella-like support surface has a conical step which leaves an impression on the run of the fibers and, in interaction with the conical outer surface of the locking member, presses the locking member against the stem.

REFERENCES:
patent: 4432311 (1984-02-01), Holtzberg et al.
patent: 4515346 (1985-05-01), Gaterman, III

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