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US 6,547,089 B2Granted
Tank cap
AssigneeTesma-Motoren-und Getriebetechnik Ges. m.b.H.
InventorsGunther Pozgainer, Wolfgang Suppan, Gerald Lackner, Conrad Scharrer
Life of this patent
Estimating the term…
Abstract
A tank cap has a cap part, a filler neck for receiving a refueling nozzle wherein the neck can be closed by the cap part via a rotary closure having at least two seals arranged on the cap part and active between the cap part and the neck. The sealing surfaces on the neck are provided behind a raised region of a protuberance and below at least one projection.
Claims10
A tank cap comprising a cap part and a filler neck adapted for receiving a refueling nozzle wherein said neck can be closed by said cap part via a rotary closure;
- said cap part having at least two seals arranged on said cap part and active between said cap part and said neck;
- said neck having sealing surfaces provided behind a raised region of a protuberance and below at least one projection for providing a fluid impervious seal between said cap part and said filler neck;
- and wherein said seals are arranged on parts of said cap part which, for opening and closing, are held in a non-rotational manner in relation to said neck.
Dependencies are inferred from the claim text.