Device for a fuel supply system for an internal combustion engine
AssigneeRobert Bosch GmbH
InventorsAlbert Gerhard, Willi Strohl, Jochen Rose, Erich Eiler
Life of this patent
Estimating the term…
Abstract
The invention relates to a device for a fuel supply system, having a pressure chamber that communicates with a fuel connection, and having a diaphragm built in on its outer peripheral region in a basic body which partitions off the pressure chamber, wherein the diaphragm is fastened in the peripheral region with a spring ring that is under initial tension and is retained on the basic body.
Claims24
A device for a fuel supply system, comprising a pressure chamber (44) that communicates with a fuel connection (35, 38, 84), a diaphragm (49) that is secured on an outer peripheral region of said diaphragm in a basic body (30) and said diaphragm partitions off the pressure chamber (44), the diaphragm (49) is fastened in the peripheral region with a spring ring (54, 154) that is under initial tension and is mounted on the basic body (30) directly between the base body (30) and the spring ring (54, 154) independently of a retaining element (62).
A device for a fuel supply system, comprising a pressure chamber (44) that communicates with a fuel connection (35, 38, 84), a diaphragm (49) that is secured on an outer peripheral region in a basic body (30) and said diaphragm partitions off the pressure chamber (44), the diaphragm (49) is fastened in the peripheral region with a spring ring (54, 154) that is under initial tension on a side of said diaphragm remote from the pressure chamber and the spring ring is mounted on the basic body (30) independently of a retaining element (62), a spring (53) located on said side of said diaphragm remote from the pressure chamber (44) presses against the diaphragm (49), and the retaining element (62) retains the spring (53) for pressing against the diaphragm (49).
Dependencies are inferred from the claim text.