Patent ID: 7603985

Claim:
A common rail comprising: an accumulation chamber that accumulates high-pressure fuel therein; an inside-outside communication hole that connects the accumulation chamber with an outside; a bush that is press-fitted into the inside-outside communication hole and that has an orifice for narrowing a fuel passage of the inside-outside communication hole; a depressed portion formed on at least one of an outer peripheral surface of an end portion of the bush opposite to a press-fitting direction of the bush and an inner peripheral surface of the inside-outside communication hole, which faces the outer peripheral surface of the end portion of the bush opposite to the press-fitting direction of the bush in a state where the bush is press-fitted in the inside-outside communication hole; and a clearance formed between the outer peripheral surface of the end portion of the bush opposite to the press-fitting direction of the bush and the inner peripheral surface of the inside-outside communication hole in the state where the bush is press-fitted in the inside-outside communication hole.