Electric machine e.g. three-phase generator, for motor car, has sectional plane intersecting claw pole finger to axis of rotor, where sectional plane is removed from circuit board by utilizing characteristic of machine with certain ratio

Elektrische Maschine

Abstract

The machine (10) has a chamfer with certain width in an accumulating side and extended along an edge. A claw pole finger (24) is limited on the accumulating side along a circumferential direction. A sectional plane intersects the claw pole finger vertically to a rotational axis (29) of a rotor (20). A ratio between 0.2 and 0.8 or 0.4 to 0.6 is imageable from the certain width of the accumulating chamfer and specific width of a tooth head. The sectional plane is removed from a claw pole circuit board (23) with the predetermined ratio with respect to characteristic of the machine.
Für eine elektrische Maschine werden verschiedene Maßverhältnisse an Klauenpolfingern (24, 25) definiert, die die Leistungsfähigkeit und Geräuschverhalten positiv bestimmen.

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Patent Citations (1)

    Publication numberPublication dateAssigneeTitle
    DE-102004001844-A1August 11, 2005Robert Bosch GmbhVerfahren zur Herstellung eines Polrads sowie Klauenpolläufer mit Polrädern

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Cited By (7)

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    WO-2017093634-A1June 08, 2017Valeo Equipements Electriques MoteurRotor a griffes de machine electrique tournante a performances magnetiques ameliorees
    WO-2017093635-A1June 08, 2017Valeo Equipements Electriques MoteurClaw-pole rotor of a rotary electrical machine provided with at least one chamfer made in a trailing edge of a claw
    WO-2017093636-A1June 08, 2017Valeo Equipements Electriques MoteurRotor a griffes de machine electrique tournante muni de griffes a chanfrein de forme courbe
    WO-2017093640-A1June 08, 2017Valeo Equipements Electriques MoteurRotor a griffes de machine electrique tournante muni d'au moins un chanfrein realise dans une griffe