Common-rail injection system for diesel engine

Details Common-rail injection system for diesel engine Common-rail injection system for diesel engine

2006-10-24

2006-10-24

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

End to side or plate

Saddle-type clamp

C285S133110

Reexamination Certificate

active

07125051

ABSTRACT:
A common-rail injection system is provided for a diesel engine and has excellent internal pressure fatigue resisting characteristics, vibrational fatigue resisting characteristics and cavitation resisting property and sheet face flawing resisting property, and can be made thin and light in weight. A main pipe rail is manufactured by transformation induced plastic type strength steel. After the main pipe rail is processed, residual austenite is generated by heat treatment, and the reduction processing of stress concentration of a branch hole and a main pipe rail side flow passage crossing portion is performed. Further, it is preferable that an induced plastic transformation is generated on the inner surface of the main pipe rail by autofrettage processing, and compression residual stress is left.

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