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Method of and conversion kit for converting an engine to hydraulically-actuated fuel injection system

  • US 5,325,834 A
  • Filed: 08/03/1993
  • Issued: 07/05/1994
  • Est. Priority Date: 08/03/1993
  • Status: Expired due to Fees
First Claim
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1. 1. A fuel injection system for an existing internal combustion engine, the engine having a cylinder block and a cylinder head defining a plurality of injector bores and being conventionally mounted to the cylinder block, comprising:

  • an adapter assembly releasably connected to the cylinder head and defining an actuating fluid manifold therein and a plurality of injector bores in substantial axial alignment with the plurality of injector bores in the cylinder head;

    a plurality of fuel injector sleeves, one positioned in each of the plurality of injector bores in the cylinder head and the adapter assembly;

    a plurality of hydraulically-actuated fuel injectors, one positioned in each of the plurality of injector sleeves with the injectors each having an actuating fluid inlet passage; and

    the adapter assembly including actuating fluid passage means for communicating between the actuating fluid manifold and the actuating fluid inlet passage of each of the injectors.

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