Fuel injection rail manufacturing means and process and fuel inj

Internal-combustion engines – Charge forming device – Fuel injection system

Patent

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123456, F02M 5502

Patent

active

050277774

ABSTRACT:
The invention concerns a single-block fuel injection rail. The rail according to the invention comprises at least one rectilinear hollow tube, to which are joined at least one fuel intake tip, at least one injection intake and rail fastening means. The rail is formed from a metal billet placed in a die and has a longitudinal solid primary shape having transverse branches whose axes are perpendicular to the longitudinal axes of the primary form. The rail is cooled and machined so as to give it its final shape.

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patent: 4474159 (1984-10-01), Katnik
patent: 4475516 (1984-10-01), Atkins
patent: 4510909 (1985-04-01), Elphick
patent: 4519368 (1985-05-01), Hudson
patent: 4570602 (1986-02-01), Atkins
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patent: 4771751 (1988-09-01), Haigh
patent: 4805575 (1989-02-01), de Concini
patent: 4899712 (1990-02-01), De Bryn

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