公开(公告)号：US20200182209A1

公开(公告)日：2020-06-11

申请号：US16346294

申请日：2017-07-26

Applicant: SANOH INDUSTRIAL CO., LTD.

Inventor： Hayato TADOKORO ,  Yuji OZAWA ,  Seihau LEE

IPC: F02M55/02 ,  F02M55/00

Abstract: Provided is a fuel pipe connected to a fuel distribution pipe distributing and supplying fuel to a plurality of fuel injection devices. The fuel pipe includes a pipe body and a connection head part fastened to the fuel distribution pipe by a cap nut. The connection head part includes a first curved portion curved in a circular shape in a reference cross-section including a central axis A of the fuel pipe and abutting against a seat surface formed on an inner peripheral surface of the fuel distribution pipe, a second curved portion curved in a circular shape in the reference cross-section and locked on a locking surface formed on an inner peripheral surface of the cap nut, and a straight portion extending linearly in the reference cross-section and interconnecting the first curved portion and the second curved portion.