Fuel injector valve having a collared sphere valve element

Details Fuel injector valve having a collared sphere valve element Fuel injector valve having a collared sphere valve element

1991-04-12

1993-05-18

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

239900, 25112916, B05B 4702

Patent

active

052113418

ABSTRACT:
The collared sphere is a separate part that is assembled into the valve during the assembly process. A resilient spring disc acts through the collar on the sphere to hold the sphere in abutment with the tip end of the armature as the armature reciprocates to open and close the valve. The disc is also a separate part that is assembled into the valve during the assembly process. The outer margin of the disc is supported on a raised ledge without attachment thereto while the sphere fills slightly less than a central circular void in the disc whose diameter is less than that of the sphere. The valve seat is frustoconical, and the disc acts through the collar to maintain the sphere at least approximately concentric with the seat so that when the valve is operated closed any misalignment of the sphere to the seat is taken out by the camming action of the seat on the sphere as the valve closes. The collar provides the interface between the sphere and the disc and comprises an inside diameter cradling surface for the sphere and a further surface that abuts the disc in bounding relation to the central circular void.

REFERENCES:
patent: 2828936 (1958-04-01), Hales
patent: 4798329 (1989-01-01), Mesenich
patent: 4800912 (1989-01-01), Hafner et al.
patent: 4852605 (1989-08-01), Gouhier
patent: 5054691 (1991-10-01), Huang et al.
patent: 5060868 (1991-10-01), Knapp et al.

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