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Claims for Patent: 6,294,978

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Claims for Patent: 6,294,978

Title: High-current fuse for vehicles
Abstract:A high-current fuse for vehicles is provided. This high-current fuse includes a conductive plate having a fuse and terminal connecting portions on both ends, and a resin case into which the conductive plate is insert-molded. A heat radiating portion for releasing heat generated from the fuse and the conductive plate when energized is provided on the outer surface of the resin case. The heat radiating portion is made up of a plurality of thin plates arranged on the resin case at regular intervals. The thin plates are situated in parallel with the energizing direction so as to strengthen the resin case. To keep the fuse away from both ends of the conductive plate, a pair of assisting plates facing to each other are formed in the middle of the conductive plate, and the fuse is disposed between the assisting plates. The fuse between the assisting plates is in the direction perpendicular to the energizing direction of the conductive plate.
Inventor(s): Endo; Takayoshi (Shizuoka, JP), Matsumura; Norio (Shizuoka, JP), Inaba; Shigemitsu (Shizuoka, JP), Hikage; Atsushi (Shizuoka, JP), Onoda; Shinya (Shizuoka, JP)
Assignee: Yazaki Corporation (Tokyo, JP)
Application Number:09/267,698
Patent Claims: 1. A high-current fuse for vehicles, comprising:

a conductive plate having a fuse and terminal connecting portions on both sides;

a resin case into which the conductive plate is insert-molded; and

a heat radiating portion for releasing heat generated from the fuse and the conductive plate when energized, the heat radiating portion being disposed on an outer surface of the resin case,

wherein the terminal connecting portions on both sides of the conductive plate are arranged on the same line with a space in between, and the fuse is arranged in parallel with the line, and

wherein a pair of assisting plates facing to each other are integrally formed in the middle of the conductive plate, and

the fuse is disposed between the pair of assisting plates and in a direction perpendicular to the energizing direction of the conductive plate.

2. A high-current fuse for vehicles, comprising:

a conductive plate having a fuse and terminal connecting portions on both sides;

a resin case into which the conductive plate is insert-molded; and

a heat radiating portion for releasing heat generated from the fuse and the conductive plate when energized, the heat radiating portion being disposed on an outer surface of the resin case,

wherein the terminal connecting portions on both sides of the conductive plate are arranged on the same line with a space in between, and the fuse is arranged in parallel with the line,

wherein one of the terminal connecting portions is directly attached to a battery, and

wherein a pair of assisting plates facing to each other are integrally formed in the middle of the conductive plate, and

the fuse is disposed between the pair of assisting plates and in a direction perpendicular to the energizing direction of the conductive plate.

3. A high-current fuse for vehicles, comprising:

a conductive plate having a fuse and terminal connecting portions on both sides;

a resin case into which the conductive plate is insert-molded; and

a heat radiating portion for releasing heat generated from the fuse and the conductive plate when energized, the heat radiating portion being disposed on an outer surface of the resin case,

wherein one of the terminal connecting portions is directly attached to a battery, and

wherein a pair of assisting plates facing to each other are integrally formed in the middle of the conductive plate, and

the fuse is disposed between the pair of assisting plates and in a direction perpendicular to the energizing direction of the conductive plate.

4. A high-current fuse for vehicles, comprising:

a conductive plate having a fuse and terminal connecting portions on both sides;

a resin case into which the conductive plate is insert-molded; and

a heat radiating portion for releasing heat generated from the fuse and the conductive plate when energized, the heat radiating portion being disposed on an outer surface of the resin case,

wherein the heat radiating portion comprises a plurality of thin plates arranged on the resin case at regular intervals, and

wherein a pair of assisting plates facing to each other are integrally formed in the middle of the conductive plate, and

the fuse is disposed between the pair of assisting plates and in a direction perpendicular to the energizing direction of the conductive plate.

5. A high-current fuse for vehicles, comprising:

a conductive plate having a fuse and terminal connecting portions on both sides;

a resin case into which the conductive plate is insert-molded; and

a heat radiating portion for releasing heat generated from the fuse and the conductive plate when energized, the heat radiating portion being disposed on an outer surface of the resin case,

wherein a pair of assisting plates facing to each other are integrally formed in the middle of the conductive plate, and

the fuse is disposed between the pair of assisting plates and in a direction perpendicular to the energizing direction of the conductive plate.
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