Tank valve unit
AssigneeToyoda Gosei Co., Ltd.
InventorsNorihiro Yamada, Tomohisa Imaeda, Masanori Nojiri
Life of this patent
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Abstract
The tank valve unit includes a support body, and a fuel cutoff valve installed on the support body. The support body includes a mounting plate having a support engaged portion. The fuel cutoff valve has a casing in which a valve chamber is defined by a tubular casing body and a bottom cover installed in the bottom part of the casing body; and a float mechanism housed inside the valve chamber. The bottom cover has a first engaging portion adapted to attach to the casing body by engaging the casing body, and a second engaging portion adapted to secure to the mounting plate by engaging the support engaged portion.
Claims2
A tank valve unit comprising:
- a support body that is housed inside a fuel tank, and includes a mounting plate having a support engaged portion;
- a fuel cutoff valve that is secured to the support body, and has (i) a casing including a casing body and a bottom cover installed in a bottom part of the casing body, wherein the casing body and the bottom cover define a valve chamber;
- (ii) a float mechanism adapted to rise and fall depending on a fuel level in the valve chamber, and (iii) a spring adapted to upwardly urge the float mechanism, wherein
- the bottom cover has (i) a bottom cover body of circular disk shape;
- (ii) a communication hole formed in the bottom cover body and connecting the fuel tank interior with the valve chamber;
- (iii) a spring support portion formed on an upper face of the bottom cover body and adapted to support the spring;
- (iv) a first engaging portion adapted to attach the bottom cover to the casing body through engagement with a valve engaged portion of the casing body;
- and (v) a second engaging portion adapted to secure the bottom cover to the mounting plate through engagement with the support engaged portion, and
- the second engaging portion is a readily flexed claw shape that is projected downward from the bottom cover;
- and the support engaged portion is a hole that is formed in the mounting plate and adapted to flex and engage the claw.
Dependencies are inferred from the claim text.