Valve seat subassembly for fuel injector

Details Valve seat subassembly for fuel injector Valve seat subassembly for fuel injector

1999-06-09

2000-05-23

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

239463, 2395332, 2395333, 23953311, 2395851, 2395854, B05B 134, F02M 6100

Patent

active

060656921

ABSTRACT:
A solenoid actuated fuel injector includes a valve body having a longitudinal axis. A valve seat subassembly is mounted in one end of the valve body. The valve seat subassembly includes a valve seat having a seating surface and a circumferential sealing surface surrounding the seating surface. The valve seat subassembly also includes a lower needle guide and swirl disk laser welded to the valve seat. The subassembly includes a radially extending flange that axially positions the subassembly in the nose of the injector and eliminates the tolerances associated with the stack up height of conventional valve seat subassembly components.

REFERENCES:
patent: 4967959 (1990-11-01), Wieczorek
patent: 5314122 (1994-05-01), Winter
patent: 5678767 (1997-10-01), Rahbar
patent: 6003791 (1999-12-01), Reiter

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