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US 10,947,942 B2Granted
High-pressure fuel pump
AssigneeRobert Bosch GmbH
InventorsSoeren Stritzel, Erich Buerner, Peter Ropertz
Life of this patent
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Abstract
A high-pressure fuel pump for a fuel injection system of an internal combustion engine includes a pump housing and at least one fastening flange that is fixed to the pump housing by a welding. The welding has one weld region and at least one weld bead arranged laterally from the weld region. The weld bead is arranged in a receiving space formed between the pump housing and the fastening flange.
Claims13
A high-pressure fuel pump for a fuel injection system of an internal combustion engine, comprising:
- a pump housing;
- and
- at least one fixing flange that is fixed to the pump housing by a welded joint, the welded joint including a weld region and at least one weld bead arranged laterally with respect to the weld region,
- wherein the weld bead is arranged in a receiving space formed between the pump housing and the fixing flange by a circumferential groove in one of the pump housing and the fixing flange, and wherein an opening connects the receiving space to an environment.
1 more element
Dependencies are inferred from the claim text.