Unit injector with interchangeable subassembly for converting fr

Details Unit injector with interchangeable subassembly for converting fr Unit injector with interchangeable subassembly for converting fr

1992-11-04

1994-04-12

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and valve with continuously...

239289, 239390, F02M 6120

Patent

active

053018761

ABSTRACT:
A fuel injector which uses interchangeable subassemblies to allow the fuel injector to be converted from open to closed nozzle options without affecting engine installation, and without altering the timing or metering principles. In accordance with a preferred embodiment of the invention, the fuel injector is comprised of two subassemblies, a first subassembly of which is a timing or control subassembly that is used in both the closed and open nozzle options, and which forms the top portion of the fuel injector. The second subassembly is a nozzle assembly and is form in two versions, an open nozzle version and a closed nozzle version, either of which can be used with the timing assembly. In a preferred form of the timing subassembly, a pressure-responsive valve for opening a timing chamber draining passage is provided within the upper plunger.

REFERENCES:
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patent: 4410138 (1983-10-01), Peters et al.
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patent: 4463901 (1984-08-01), Perr et al.
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patent: 5076240 (1991-12-01), Perr
patent: 5094397 (1992-03-01), Peters et al.

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