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US 6,886,705 B2Granted
Fuel tank for automobiles
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsSatoshi Souma, Osamu Kondo, Hisayuki Goma, Shoji Uhara, Naoki Yoshikawa
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Abstract
The fuel tank includes a tank main body, a filler pipe, a first breather pipe, and a second breather pipe. The tank main body stores fuel therein. The filler pipe supplies fuel to the tank main body. The first breather pipe connects the upper space of the tank main body to the neighboring portion of a fuel supply opening. The second breather pipe connects the middle portion of the filler pipe to the neighboring portion of the fuel supply opening.
Claims12
A fuel tank for an automobile, comprising:
- a tank main body storing fuel therein;
- a filler pipe through which fuel is supplied to said tank main body, said filler pipe having a fuel supply opening formed at an upper end portion thereof;
- a first breather pipe connecting an upper space of said tank main body to a neighboring portion of the fuel supply opening of said filler pipe;
- and
- a second breather pipe connects a first portion of said filler pipe and a second portion of the filler pipe in a bypass-manner,
- wherein, when a filet liquid surface of said tank main body exists at a given height, at least part of said filler pipe is closed by said fuel, and
- wherein said first portion exists nearer to the side of said fuel supply opening than a portion thereof to be closed by said fuel, and said second portion is located close to said fuel supply opening.
4 more elements
A fuel tank for an automobile, comprising:
- a tank main body storing fuel therein;
- a filler pipe through which fuel is supplied to said tank main body, said filler pipe having a fuel supply opening formed at an upper end portion thereof,
- a first breather pipe connecting an upper space of said tank main body to a neighboring portion of the fuel supply opening of said filler pipe;
- and
- a second breather pipe connects a first portion and a second portion in a bypass-manner,
- wherein, when a fuel liquid surface of said tank main body exists at a given height, at least part of said filler pipe is closed by said fuel, and
- wherein said first portion is formed on said filler pipe and exists nearer to the side of said fuel supply opening than a portion thereof to be closed by said fuel, and said second portion is communicated with said fuel supply opening so as to release an air existed near the portion to be closed by the fuel.
4 more elements
Dependencies are inferred from the claim text.