Filler neck assembly with stop valve
AssigneeMAGNA STEYR Fahrzeugtechnik AG & Co KG
InventorsOliver Esl, Franz Mayr
Life of this patent
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Abstract
A tank neck unit for a vehicle that includes a tank neck operatively connected to a pressure accumulator system of the vehicle and which is configured for a predetermined maximum pressure which is greater than a permissible operating pressure of the pressure accumulator system. A shut-off valve is arranged in a throughflow path between the tank neck and an outlet region of the tank neck unit, the shut-off valve being configured to prevent an increase in pressure of the pressure accumulator system beyond the permissible operating pressure.
Claims18
A tank neck unit for a vehicle having a pressure accumulator system, comprising:
- a tank neck configured for a predetermined maximum pressure which is greater than a permissible operating pressure of the pressure accumulator system;
- a throughflow path;
- a nonreturn valve;
- and
- a shut-off valve arranged in the throughflow path between the tank neck and an outlet region, the shut-off valve being configured to prevent an increase in pressure of the pressure accumulator system beyond the permissible operating pressure, wherein the shut-off valve is purely mechanical, and is to close off a passage opening when a pressure of at least one pressure accumulator vessel of the pressure accumulator system exceeds a predetermined value, and which does not open due to either a further increase in pressure at the intake region, or a further decrease in pressure at the intake region.
A tank system for a vehicle, comprising:
- a pressure accumulator;
- a tank neck unit operatively connected to the pressure accumulator, the tank neck unit having:
- a tank neck configured for a predetermined maximum pressure which is greater than a permissible operating pressure of the pressure accumulator;
- a throughflow path;
- a nonreturn valve;
- and
- a shut-off valve arranged in the throughflow path between the tank neck and an outlet region, the shut-off valve being configured to prevent an increase in pressure of the pressure accumulator beyond the permissible operating pressure, wherein the shut-off valve is purely mechanical, and is to close off a passage opening when a pressure of the pressure accumulator exceeds a predetermined value, and which does not open due to either a further increase in pressure at the intake region, or a further decrease in pressure at the intake region;
- and
- a withdrawal location downstream of the shut off valve.
Dependencies are inferred from the claim text.