Method for producing a fuel accumulator line comprising a prestressed connection piece
AssigneeSiemens Aktiengesellschaft
InventorsHelmut Hummel, Georg Weigl
Life of this patent
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Abstract
The invention relates to a method for producing a fuel accumulator line and a fuel accumulator line comprising prestressed connection pieces. The connection pieces are mounted onto the fuel accumulator line with a prestress, by crimping, or by a temporal expansion and/or a temporal contraction of the fuel accumulator line. The connection pieces connect a line to the fuel accumulator line. The prestressing of the connection pieces allows pressure to be exerted on the fuel accumulator line, thus increasing the compressive strength.
Claims11
A method for producing a fuel accumulator line for an internal-combustion engine, said method comprising:
- making at least one hole in the wall of the fuel accumulator line in a connecting area,
- mounting a connecting piece onto the connecting area with prestress, wherein the inside diameter of the connecting piece is less than the outside diameter of the connecting area, and the connecting piece is mounted onto the connecting area via a lateral pressing-on process.
A fuel accumulator line assembly, said assembly comprising:
- a fuel accumulator line having a connecting area including a connecting opening,
- a connecting piece for connecting a line, said connecting piece adapted for the connecting area of the fuel accumulator line, wherein the connecting piece has a prestress in the direction of the fuel accumulator line and comprises at least two connecting areas partially having different outside diameters.
A fuel accumulator line assembly comprising:
- a fuel accumulator line having a connecting area including a connecting opening, and
- a connecting piece for connecting a line to the connecting area, wherein the connecting piece has a prestress in the direction of the fuel accumulator line.
Dependencies are inferred from the claim text.