Injector valve seat with recirculation trap

Details Injector valve seat with recirculation trap Injector valve seat with recirculation trap

1993-09-07

1994-09-06

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

23953312, 2395851, 239900, F02M 5106

Patent

active

053440811

ABSTRACT:
An improvement in fuel flow through orifices of a thin disc orifice member is obtained by incorporating a radially inwardly open undercut in the seat member below the frustoconical seating surface and above the thin disc orifice member. The undercut provides a space that allows a fuel recirculation zone to be displaced further radially outwardly so that it poses less of an obstruction to flow toward the orifice.

REFERENCES:
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patent: 4925111 (1990-05-01), Foertsch et al.
patent: 4934605 (1990-06-01), Hans et al.
patent: 4971254 (1990-11-01), Daly et al.
patent: 5044563 (1991-09-01), Mesenich
patent: 5062573 (1991-11-01), Makimura
patent: 5174505 (1992-12-01), Shen

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