Rectifier device for automotive alternator

Details Rectifier device for automotive alternator Rectifier device for automotive alternator

2008-06-26

2010-12-21

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C363S144000, C363S145000, C257S693000, C257S678000, C257S731000, C257S694000

Reexamination Certificate

active

07855480

ABSTRACT:
An AC generator, referred to as an alternator, is mounted on an automotive vehicle for supplying electric power to an on-board battery and other electric loads. The alternator includes a rectifier device for rectifying alternating current to direct current. The rectifier is composed of a minus-side heat-radiating plate on which six minus-side rectifier elements are mounted and a plus-side heat-radiating plate on which six plus-side rectifier elements are mounted. Each rectifier is mounted on the heat-radiating plate in the same manner, i.e., by forcibly inserting the rectifier element into a mounting hole formed in the heat-radiating plate. A disc portion of the rectifier element has an outer peripheral surface on which knurls are formed. The outer peripheral surface having the knurls is tapered so that the disc portion is easily inserted into the mounting hole while establishing a firm grip and a good heat-conductive contact between the rectifier element and the heat-radiating surface.

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Notice of Reasons for Refusal in Japanese Patent Application No. 2008-094615, dated Mar. 31, 2010 with English translation.
Japanese Office Action issued in Japanese Patent Application No. 2008-094615 on Aug. 10, 2009.

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