Fuel injection nozzles

Details Fuel injection nozzles Fuel injection nozzles

1993-02-17

1994-10-04

Cuda, Irene

Metal working

Method of mechanical manufacture

Gas and water specific plumbing component making

29890143, 2395332, B23P 1500

Patent

active

053513983

ABSTRACT:
A fuel injection nozzle includes a body in which is formed a blind bore. An outlet orifice communicates with the blind end of the bore and adjacent the blind end of the bore is a seating which in use is engageable by a valve member. The body is formed from hardenable material and the nozzle body is formed in such a way that the seating surface has a high hardness value, the hardness value of the material diminishing to the exterior surface of the body. This is achieved by machining the exterior surface to remove a hardened layer or a hardenable layer produced during a carburizing operation.

REFERENCES:
patent: 4801095 (1989-01-01), Banzhaf et al.
patent: 5075968 (1991-12-01), Stadder et al.

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