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US 8,220,508 B2Granted
Fuel filling device
AssigneeGM Global Technology Operations LLC
InventorDieter Rongstock
Life of this patent
Estimating the term…
Abstract
A fuel filling device that includes, but is not limited to a filling head and a filling pipe disposed between fuel tank and filling head, has a further guiding tube having a front end viewed in the direction of insertion and a rear end viewed in the direction of insertion, which is disposed inside the filling pipe, and the front end is disposed directly below the filling head.
Claims30
A fuel filling device, comprising:
- a filling head;
- a filling pipe disposed between a fuel tank and the filling head;
- and
- a guiding tube disposed inside the filling pipe, the guiding tube having a front end and a rear end viewed in a direction of insertion,
- wherein a marginal edge of the front end is disposed directly below the filling head wherein the front end of the guiding tube has a spring element extending form the marginal edge, which serves as a length tolerance compensation for the guiding tube.
2 more elements
A guiding tube comprising:
- a front end viewed in a direction of insertion, wherein the front end of the guiding tube has a spring element, which serves as a length tolerance compensation for the guiding tube;
- a rear end viewed in a direction of insertion and configured to prevent backflow of a fuel during a filling in a fuel filling device, the fuel filling device comprising:
- a filling head;
- and
- a filling pipe disposed between a fuel tank and the filling head,
- wherein the guiding tube is dimensioned in such a manner that when in use, the guiding tube is configured as a separate part inside the filling pipe,
- wherein a marginal edge of the front end is located directly below the filling head, a marginal edge of the front end of the guiding tube is expanded in such a manner that the guiding tube is retainable inside the filling pipe by an underside of the filling head, and that the guiding tube has an inside diameter which is dimensioned in such a manner that the guiding tube can accommodate a fuel nozzle tip.
4 more elements
Dependencies are inferred from the claim text.