JPH06178494A - Ac generator for automobile - Google Patents

Abstract

PURPOSE:To improve the operability of assembly and further to make prevention of noise possible such as radio noise by a method wherein an output terminal prepared by putting a bolt and a capacitor in one body with synthetic resin is connected between an output terminal in the axial direction and a bowl- shaped cover from outside of an AC generator. CONSTITUTION:A bowl-shaped cover 1 supporting a rotating shaft, an output terminal 2 in the axial direction connected to a rectifier projecting outside this cover 1, and an output terminal 4 connected to the output terminal 2 in the axial direction, directed toward the direction of the circumference of the cover and connected with the outside, are provided. This output terminal 4 has a construction wherein a capacitor 8 is disposed on the lateral side of a bolt 4c having a projecting part, the positive pole of the capacitor being connected through a terminal 8a to a seat 4d for fixing a terminal on the vehicle side. The negative pole thereof is connected to the bowl-shaped cover l through a terminal 8b on the occasion of fastening with a nut 5. Accordingly, the output terminal 2 in the axial direction and the output terminal 4 in the circumferential direction can be connected together outside the cover.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an output terminal of an automotive alternator.

[0002]

2. Description of the Related Art In the prior art, as disclosed in Japanese Patent Laid-Open No. 63-302741, the output terminals in the circumferential direction are composed of bolts and synthetic resin.

[0003]

SUMMARY OF THE INVENTION In the above-mentioned prior art, when a capacitor is connected between the output terminal and the ground for the purpose of preventing noise such as radio noise, a space is provided inside the alternator to connect the capacitor. Is the most. However, when the space is small, it adversely affects other parts, which hinders a drastic structural change.

[0004]

[MEANS FOR SOLVING THE PROBLEMS] An output terminal in which a bolt and a capacitor are integrated with a synthetic resin is connected between the axial output terminal and the cover from the outside of the AC generator.

[0005]

According to the present invention, the output terminal in the axial direction and the output terminal in the circumferential direction can be connected to each other outside the cover, the assembling workability is improved, and a noise preventing function such as radio noise can be provided.

[0006]

1 to 3 show an embodiment of the present invention.
Reference numeral 1 is a bowl-shaped cover, a rear bracket, and 2 are axial output terminals, which are connected to the cooling fins 3 of the rectifying device and project axially outward from the rear inside of the rear bracket 1. Four
Is an output terminal, and is fixed by a nut 5 at the protruding portion of the axial output terminal 2 and the rear bracket 1. As shown in FIG. 2, the output terminal 4 has a capacitor 8 arranged on the side surface of a bolt 4c having a protrusion, and the positive electrode of the capacitor is connected to a seat 4d for fixing a vehicle-side terminal through a terminal 8a. Further, the negative electrode is brought into contact with the rear bracket 1 at the time of tightening with the nut 5 via the terminal 8b. The output terminal 4 is integrally molded with a resin 4a that insulates it from the outside as shown in FIG. Reference numeral 4b denotes a protruding screw portion of the output terminal 4, which extends in a circumferential direction at a right angle to the output shaft of the AC generator and is connected to a vehicle-side terminal (not shown). Reference numeral 7 denotes a resin cap that includes a nut and insulates and protects a connecting portion between the axial output terminal 2 and the output terminal 4, and is fitted to the resin 4a.

[0007]

According to the present invention, 1. The output terminal can be assembled with the axial output terminal outside the rear bracket, and workability is good.

2. The noise prevention capacitor can be attached without affecting the internal structure.

3. Conventionally, the resin that encapsulates the capacitor and the cover are integrally molded with the output terminals, making them unnecessary.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is an internal perspective view showing an embodiment of the present invention.

FIG. 3 is an external perspective view showing an embodiment of the present invention.

[Explanation of symbols]

1 ... Rear bracket, 2 ... Axial output terminal, 3 ... Cooling fin, 4 ... Output terminal, 4a ... Resin, 4b ... Projection screw part,
4c ... Bolt, 4d ... Fixed seat, 5 ... Nut, 7 ... Resin cap, 8 ... Capacitor, 8a ... Positive terminal, 8b ... Negative terminal.

Claims (3)

[Claims] 1. A bowl-shaped cover supporting a rotating shaft, an axial output terminal connected to a rectifying device projecting outside the cover, and an axial output terminal connected to the cover in the circumferential direction of the cover. An automotive alternator characterized by being provided with an output terminal directed to and connected to the outside. 2. The automotive alternator according to claim 1, wherein the output terminal is composed of a bolt and a capacitor, and an outer periphery of which is integrally molded of synthetic resin. 3. The output terminal has a through hole coaxially with the negative terminal of the capacitor, the axial output terminal is inserted into the through hole, the cover and the negative terminal of the capacitor are brought into contact with each other, and the axial output is further provided. Fix by tightening the nut to the screw part provided on the protruding part of the terminal, and also contact the positive terminal of the capacitor and the external terminal on the vehicle side to the surface of the output terminal connected to the outside facing in the circumferential direction, The automotive alternator according to claim 1 or 2, wherein the output terminal is fixed by tightening a nut on a screw portion provided on a protruding portion of the output terminal.