摘要:
The invention relates to a starter for a motor vehicle comprising an electric machine provided with a rotor (9) comprising: a cylindrical body (91) mounted on a shaft (14), a manifold (20) comprising a set of electrically conductive blades (18), slots (92) provided on an outer periphery of the body (91) of the rotor (9), and a winding formed by a set of conductors (93) at least partially inserted into the slots (92) and electrically connected to the blades (18) of the manifold (20), characterised in that the conductors (93) inserted into the slots (92) are made from aluminium for a starter having a power lower than 1.3kW.
摘要:
L'invention porte principalement sur un rotor (10) de démarreur pour véhicule automobile comprenant un collecteur (19), ledit collecteur (19) comprenant: des lames conductrices (20) aptes à coopérer avec des balais, chacune desdites lames conductrices (20) comprenant un retour de lame (22) d'orientation radiale, chaque retour de lame (22) comprenant une encoche (25) dans laquelle est positionnée une extrémité d'au moins un fil (13) de bobinage dudit rotor (10) de manière à être en contact avec ladite lame conductrice (20), l'ensemble des retours de lame formant un talon (28), dans lequel une face radiale du talon (28) destinée à être tournée vers les balais est recouverte d'une couche de protection (29).
摘要:
The invention relates to a rotating electric machine comprising a rotor (2) comprising a body (34) on the periphery of which are installed conductors (36) forming the winding, and a stator (3) positioned around the rotor (2) comprising a magnetized structure extending along a circumference of the stator (3). According to the invention, the body (34) of the rotor (2) is made partially of plastic, in particular in the region of the teeth which conventionally separate the notches near the air gap, on the periphery of the armature. It will be possible to use a modified structure of magnets of Halbach type made with magnets of NdFeB type making it possible to reduce the thickness of the stator (3), thereby making it possible to increase the radius (R2) of the rotor (2) so as to position, in a particular embodiment, all the conductors (36) on the periphery of the body (34) of the rotor (2) on one and the same layer at a diameter of maximum value.
摘要:
The electromagnetic actuator for a heat engine starter comprises at least one winding (24; 25) for creating a magnetic field and a magnetic circuit cooperating with the winding in order to cause a magnetic flux to circulate therein. The magnetic circuit comprises a yoke (322, 323) and a mobile core (321) that can be moved from an initial position to an end position. The magnetic field of the winding creates a magnetic force that acts on the mobile core in order to move it from the initial position to the end position. The yoke and the mobile core each have at least one protrusion, that of the yoke forming an opening. The protrusion of the mobile core, in the initial position, is outside the opening, then penetrates the opening when it moves from the initial position to the end position, remaining in this penetration position when the mobile core is in the end position. This means that the magnetic force is maximised before the end position, which limits the size of the shock.
摘要:
The starter circuit according to the invention comprises a combination of a starter and of a device (LPF) for raising the battery voltage. The battery voltage raising device is intended to prevent a drop in battery voltage caused by a current spike occurring in a power circuit of the starter when voltage is applied to the latter. The starter comprises in the conventional way an electric motor and an electromagnetic contact switch. According to the invention, the battery voltage raising device consists of a filtering device of inductive type equipped with primary and secondary windings (W1, W2) and mounted in series with the electric motor in the power circuit, and which comprises a magnetic circuit (YO, C) with reverse prepolarization (PW).
摘要:
The invention mainly relates to a motor vehicle starter stator (3) comprising: - a cylinder head (4); and - a set of permanent magnets (5) mounted against an inner face (41) of said cylinder head (4). Each permanent magnet (5) from said set is magnetically oriented in a radial manner. Said stator is characterized in that the mean remanence of said permanent magnet set (5) is within a range of between 0.73 and 0.87 Tesla, in particular between 0.78 and 0.83 Tesla, and preferably between 0.79 and 0.81 Tesla.