| 摘要 |
PURPOSE: A universal common rail is provided to shorten the die development period of the engine by extending or decreasing the rail with adjusting the combination number of universal rails according to the number of cylinders of the engine in developing the new engine. CONSTITUTION: A universal common rail(100) is composed of a main rail(10) having a rail pressure sensor(11), a pressure limit(13) and a fuel outlet; a universal rail(20) in which plural rails with fuel outlets(23) for feeding fuel are selectively combined with the main rail; a connection joint(30) connecting the universal rails; and a cap(40) closing the ends of the universal rails. A thread part is protruded in the end of the main rail, and the universal rail is installed in the thread part. Thread parts are formed at both sides of the universal rail and thread-connected by the connection joint.
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