A. C. Power generator

A technology for alternators and circuit boards, applied to synchronous generators, electromechanical devices, electrical components, etc., which can solve the problem of increased cooling wind resistance, the first unidirectional energized element body and the second unidirectional energized element body Decreased cooling performance, large wind noise and other issues, to achieve the effect of reducing resistance and wind noise
CN101395787BActive Publication Date: 2012-03-21MITSUBISHI ELECTRIC CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
MITSUBISHI ELECTRIC CORP
Publication Date
2012-03-21

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Abstract

The rectifier of an inventive AC generator comprises a first heat sink; first unidirectional conduction elements arranged at intervals on the surface of the first heat sink; a second heat sink provided spaced apart from the first heat sink, second unidirectional conduction elements arranged at intervals on the surface of the second heat sink; and a circuit board having terminals connected to constitute a bridge circuit with regard to the first unidirectional conduction elements and the second unidirectional conduction elements. The first terminals of the first unidirectional conduction elements and the second terminals of the second unidirectional conduction elements are connected contiguously on the same surface of the terminals, respectively, to constitute terminal side joints. Consequently, connection workability is enhanced between the terminals and the first terminals of the first unidirectional conduction elements and the second terminals of the second unidirectional conduction elements.
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Description

technical field

[0001] The present invention relates to an alternator having a rectifier for rectifying an alternating current generated by a stator of a vehicle alternator mounted on a vehicle, for example, into a direct current. Background technique

[0002] As a conventional vehicle alternator, it is known to have: a casing; a rotor fixed to the shaft provided in the casing and having a fan at the end; a fan installed so as to surround the rotor and generated by a rotating magnetic field from the rotor. A stator for alternating current; and a rectifier provided on the end side of the shaft and rectifying the above-mentioned alternating current generated by the stator, the rectifier includes: a first radiator; The configured first unidirectional current-carrying element body; the second radiator arranged radially outside the first radiator; the second unidirectional radiator arranged at a certain interval on the surface of the second radiator An energizing element body; a...

Claims

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