Valve assembly, especially for a fuel-injection valve and method

Details Valve assembly, especially for a fuel-injection valve and method Valve assembly, especially for a fuel-injection valve and method

1998-05-06

2000-08-08

Chambers, A. Michael

Valves and valve actuation

Valve

Seats

13753311, 137 1, F16K 3100

Patent

active

060989580

ABSTRACT:
A valve seat for a ball valve, especially a fuel-injection valve for an internal-combustion engine is finely ground to form a trough in the conically-ground seat with a circular arc cross section in planes of the axis and of a depth to eliminate shape variations in the conically-ground valve seat. The circular arc radius of the trough is greater than the radius of the ball.

REFERENCES:
patent: 1265365 (1918-05-01), Parish
patent: 3241822 (1966-03-01), Degenhardt
patent: 3955648 (1976-05-01), Walker Jr. et al.

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