Patent ID: 7642459
Filing Date: 2010-01-05
Classification: F02M

Abstract:
1. A cover unit for a fuel tank, comprising: a cover section attached to the fuel tank to cover an opening of the fuel tank; an electronic-circuit containing section that contains an electronic circuit; an electric conductor attached to penetrate the cover section, and adapted to electrically connect the electronic circuit with an electrical equipment within the fuel tank; and a vapor passage formed between the cover section and the electronic-circuit containing section, and adapted to discharge fuel exuded from a gap between the cover section and the electric conductor, to outside of the fuel tank in a vapor state; wherein the electronic-circuit containing section is formed in the shape of a box, as a member different from the cover section; and a recess portion is formed in at least one of a bottom surface of the electronic-circuit containing section and an upper surface of the cover section; and the vapor passage is defined by the recess portion under the condition where the electronic-circuit containing section is mounted on the cover section.