Back to results
US 7,923,872 B2Granted
Armature and motor
AssigneeAsmo Co., Ltd.
InventorsYoshimichi Sahara, Kazuyuki Izumi, Yoshihiro Mashima
Life of this patent
Estimating the term…
Abstract
In an armature of a motor, each of windings is wound around at least two of a plurality of tooth portions of a core to form at least two wound parts of the winding. A crossover of each winding, which connects between corresponding two of the at least two wound parts, is placed on one axial side of a ring portion of the core. A crossover relief space is axially recessed in an end surface of the ring portion on the one axial side. At least a portion of each crossover is received in the crossover relief space. Guides project on the other axial side of the core and guide winding terminal portions of the windings.
Claims12
A motor comprising:
- an armature that includes:
- a core that includes a plurality of tooth portions;
- a dielectric insulator that is provided to the core;
- and
- a plurality of windings that are wound around the plurality of tooth portions of the core over the insulator;
- a plurality of guides that project from the insulator on one axial side of the armature in the axial direction of the armature and guide winding terminal portions of the plurality of windings, which project from the core;
- and
- at least one circuit power supply portion that is located on the one axial side of the armature and electrically connects between the winding terminal portions of the plurality of windings to a circuit device, which supplies electric current to the plurality of windings, wherein
- each of the winding terminal portions of the plurality of windings is urged against the corresponding one of the plurality of guides by springback of the winding terminal portion.
6 more elements
A motor comprising:
- an armature that includes:
- a core that includes a plurality of tooth portions;
- a dielectric insulator that is provided to the core;
- and
- a plurality of windings that are wound around the plurality of tooth portions of the core over the insulator;
- a plurality of guides that project from the insulator on one axial side of the armature in the axial direction of the armature and guide winding terminal portions of the plurality of windings, which project from the core;
- at least one circuit power supply portion that is located on the one axial side of the armature and electrically connects between the winding terminal portions of the plurality of windings to a circuit device, which supplies electric current to the plurality of windings;
- and
- a stator housing that supports the armature and the circuit device, wherein the stator housing has a generally planar main body support that is axially placed between the armature and the at least one circuit power supply portion, and
- a plurality of receiving holes penetrates through the main body support to receive the plurality of guides and the winding terminal portions of the plurality of windings therethrough.
7 more elements
A motor comprising:
- an armature that includes:
- a core that includes a plurality of tooth portions;
- a dielectric insulator that is provided to the core;
- and
- a plurality of windings that are wound around the plurality of tooth portions of the core over the insulator;
- a plurality of guides that project from the insulator on one axial side of the armature in the axial direction of the armature and guide winding terminal portions of the plurality of windings, which project from the core;
- and
- at least one circuit power supply portion that is located on the one axial side of the armature and electrically connects between the winding terminal portions of the plurality of windings to a circuit device which su lies electric current to the plurality of windings, wherein
- the insulator, has a ring portion positioned on a radially inward side of the plurality of tooth portions and has a plurality of slots, each of which is defined between adjacent two of the plurality of tooth portions,
- the plurality of guides is provided in an end surface of the ring portion on the one axial side of the armature,
- at least one relief recess is provided in an axial end part of a slot bottom wall of each of the plurality of slots on the one axial side of the armature such that the relief recess opens in the end surface of the ring portion on the one axial side of the armature and extends in the axial direction of the armature, and
- each relief recess receives a corresponding one of winding terminal portion sides of axially guided portions of the plurality of windings.
9 more elements
Dependencies are inferred from the claim text.