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Electric motor

專利號
US11996751B2
公開日期
2024-05-28
申請人
MAHLE ELECTRIC DRIVES JAPAN CORPORATION(JP Numazu)
發(fā)明人
Masafumi Tamai; Ryosuke Suzuki; Yoshio Matsukawa
IPC分類
H02K5/22; H01R13/62; H02K3/52; H02K21/16
技術(shù)領(lǐng)域
wire,leading,crush,hole,wires,cover,in,out,motor,ribs
地域: Shizuoka-ken

摘要

Provided is an electric motor in which it is possible to accurately leading-out terminal sections of a magnet wire that constitutes a stator coil in a prescribed leading-out direction as lead wires. A wire cover formed from a hard insulating resin is press-fitted into a wire leading-out hole provided in an end member that closes one end of a motor housing, and lead wires are led out to an exterior through through-holes provided in the wire cover. Crush ribs are provided to side surfaces of a head part of the wire cover, and, due to crushing of the crush ribs and press-fitting of the wire cover into the wire leading-out hole, the wire cover is prevented from inclining within the wire leading-out hole and a leading-out direction of the lead wires is prevented from deviating from the prescribed leading-out direction.

說明書

As shown in FIG. 4, the motor according to the present example is used in a form in which a mechanically and electrically integrated drive device is configured by attaching suitable electrical units 20 provided with, inter alia, circuits that channel a drive current to the stator coil to an outer side of the first end member 201 of the motor housing 2, and by connecting the distal ends of the lead wires led out to the exterior through the through-holes in the wire covers to terminal sections provided to the electrical-unit 20 side.

In the example shown in the drawings, the distal ends of the six lead wires u1n, v1n, w1n, u2n, v2n, w2n led out to the exterior through the through-holes in the wire cover 8a are directly connected to terminal sections t1 to t6 of a circuit board 21 provided within the electrical unit 20, and the distal ends of the three lead wires u1, v1, w1 led out through the through-holes 800 in the wire cover 8b are directly connected to terminal sections tu, tv, tw provided to the circuit board 21. In addition, lead wires u2, v2, w2 led out through the through-holes in the wire cover 8c are directly connected to prescribed terminal sections provided to the circuit board 21 (although this relationship is not shown in the drawings).

權(quán)利要求

1
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