Patent ID: 6687997
Filing Date: 2004-02-10
Classification: F02M,Y10T

Abstract:
A method of manufacturing a modular fuel injector, the method comprising:providing a clean room; manufacturing a sealed fuel injector unit via a predetermined number of operations, the manufacturing including: fabricating a fuel group in the clean room; testing the fuel injector including testing the fuel group and a power group; performing welding operations on at least one of the fuel group and the power group; machining and performing screw machine operations on at least one of the fuel group and the power group; and assembling outside the clean room the fuel group with the power group into a sealed modular fuel injector unit; wherein each of the fabricating, testing, performing, machining and assembling includes, respectively, a specified range of the predetermined number of operations, and the specified range of operations of the fabricating exceeds the respective specified ranges of operations for each of the testing, the performing, the machining, and the assembling.