Device for measuring the level of a fuel tank
First Claim
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1. A device for measuring the filling level of a fuel tank having an opening for installation of a filling connection and an opening for installation of a pump unit, comprising:
- a film sensor;
a protective tube protecting the film sensor;
an electric connecting cable for connecting the film sensor to a level display system,whereinthe protective tube is held at least at a mounting point adjacent to the filling connection opening, andthe electric connecting cable is connected at one end to the film sensor and either passes out of the fuel tank through the pump unit opening or is connected to wires which pass out of the fuel tank through the pump unit opening.
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Abstract
A device for measuring the filling level of a fuel tank, in particular for motor vehicles, having two openings for installation of a filling connection and a pump unit, and a film sensor provided with an electric connecting cable which can be connected to a display device through the pump unit. The film sensor is embedded in a protective tube which is provided with inlet openings for the fuel. The protective tube is mounted on the filling connection at the side and can be inserted jointly with it into the respective opening in the fuel tank.
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Citations
14 Claims
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1. A device for measuring the filling level of a fuel tank having an opening for installation of a filling connection and an opening for installation of a pump unit, comprising:
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a film sensor; a protective tube protecting the film sensor; an electric connecting cable for connecting the film sensor to a level display system, wherein the protective tube is held at least at a mounting point adjacent to the filling connection opening, and the electric connecting cable is connected at one end to the film sensor and either passes out of the fuel tank through the pump unit opening or is connected to wires which pass out of the fuel tank through the pump unit opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A fuel tank, comprising:
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a tank body, said tank body having an opening for installation of a filling connection and an opening for installation of a pump unit; a filling connection located at the filling connection opening; a pump unit located at the pump unit opening; a film sensor; a protective tube protecting the film sensor; an electric connecting cable for connecting the film sensor to a level display system, wherein the protective tube is held at least at a mounting point adjacent to the filling connection opening, and the electric connecting cable is connected at one end to the film sensor and either passes out of the fuel tank through the pump unit opening or is connected to wires which pass out of the fuel tank through the pump unit opening.
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10. A method of assembling a fuel tank having a filling level sensor, comprising the acts of:
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providing a tank body, where said tank body includes an opening for installation of a filling connection and an opening for installation of a fuel pump unit; providing a film sensor mounted on a protective tube, the protective tube being held at least at a mounting point adjacent to the filling connection opening; providing an electric connecting cable for connecting the film sensor to a level display system, the electric connecting cable being connected at one end to the film sensor; connecting an upper end of the protective tube to an outside portion of a filling connection; inserting the connected protective tube and filling connection into the filling connection opening; establishing an electric communication path through the fuel pump unit opening from the electric connecting cable to wires outside the fuel tank; and inserting the fuel pump unit into the fuel pump unit opening. - View Dependent Claims (11, 12, 13, 14)
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Specification