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US 4,657,156 AGranted
Fuel tank for use in a motor vehicle
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsKoji Uranishi, Takaaki Ito, Toshio Tanahashi
Life of this patent
Estimating the term…
Abstract
A fuel tank comprising a fuel inlet pipe and a cap detachably attached to the fuel inlet of the fuel inlet pipe. The fuel tank has a small chamber expanding downward from the bottom wall of the fuel tank. The fuel outlet of the fuel inlet pipe is open to the small chamber. A baffle member made of a porous material is fixed to the inner bottom wall of the small chamber.
Claims6
A fuel tank for use in a motor vehicle, comprising:
- a bottom wall having a first planar portion and a second portion, said second portion extending downwardly from said first portion to form a chamber portion in the tank, said chamber portion having a bottom below the plane of said first portion,
- a fuel inlet pipe having an inlet with a detachable cap and an outlet end in communication with the tank, said outlet end being spaced from and open to the bottom of the chamber portion,
- a baffle of sponge-like porous material fixed in the chamber portion, said baffle including a substantially plate-like portion spaced from and transverse to the outlet end of the fuel pipe and being between said end and the chamber portion bottom for reducing the formation of fuel vapor caused by bubbling during the filling of the tank through the pipe.
Dependencies are inferred from the claim text.