Self-aligning lead-in chamfer for a valve seat

Details Self-aligning lead-in chamfer for a valve seat Self-aligning lead-in chamfer for a valve seat

1993-04-21

1993-12-07

Chambers, A. Michael

Valves and valve actuation

Valve

Seats

251359, 137315, F16K 5100

Patent

active

052677230

ABSTRACT:
Lead-in of a valve seat member being pressed into a valve body bore has larger angle initial lead-in portion followed by smaller angle transition lead-in portion leading to press-fit outside diameter. This prevents a maximally misaligned valve seat member from shaving a silver as the lead-in passes across the shoulder of a counterbore at the entrance of the press-fit inside diameter of the bore.

REFERENCES:
patent: 2078903 (1937-04-01), Domack
patent: 2121464 (1938-06-01), Zagorski
patent: 2210046 (1940-08-01), Schubring
patent: 2471880 (1949-05-01), MacDonald
patent: 4676482 (1987-06-01), Reece et al.

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