Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Reexamination Certificate
2005-09-15
2008-10-07
Yee, Deborah (Department: 1793)
Metal treatment
Process of modifying or maintaining internal physical...
Heating or cooling of solid metal
C148S590000, C148S593000, C148S639000, C148S653000, C148S654000, C148S663000
Reexamination Certificate
active
07431781
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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Computer-generated English translation of Japanese patent 2002-310034, Usui Masayoshi et al. , Oct. 23, 2002.
Asada Kikuo
Takahashi Teruhisa
Usui Masayoshi
Casella Anthony J.
Hespos Geralrd E.
USUI Kokusai Sangyo Kaisha Limited
Yee Deborah
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