Motor, flat-wire motor winding, coil winding assembly, and winding method

Patent metadata

Field	Value
Publication number	US-2025183742-A1
Application number	US-202418954151-A
Country	US
Kind code	A1
Filing date	Nov 20, 2024
Priority date	Dec 21, 2021
Publication date	Jun 5, 2025
Grant date	—

Abstract

A motor winding includes a wire defining a rectangular cross-section and wound in a continuous direction about a coil axis to form a continuous coil including: a first coil segment spiraling in a first plane, defining a first external terminal, and defining a first interior end inset from the first external terminal and arranged on a first side of a coil axis; a second coil segment spiraling in a second plane parallel and offset from the first plane, defining a second exterior terminal parallel to the first external terminal, and defining a second interior end inset from the second exterior coil end and arranged on a second side of the coil axis opposite the first interior end; and a junction extending between the first plane and the second plane to couple the first interior end of the first coil segment to the second interior end of the second coil segment.

First claim

I claim:

1 . A motor winding comprising:
a wire:
defining a wire width along a primary wire axis;
defining a wire thickness along a secondary wire axis, the wire thickness less than the wire width; and
wound in a continuous angular direction about a coil axis to form a continuous coil comprising:
a first terminal;
a second terminal adjacent the first terminal;
a first coil segment;
comprising a first length of the wire spiraling in a first plane parallel to the secondary wire axis and perpendicular to the primary wire axis of the first length of the wire;
defining a first exterior coil end coupled to the first terminal; and
defining a first interior coil end inset from the first exterior coil end and arranged on a first side of the coil axis;

a second coil segment:
comprising a second length of the wire spiraling in a second plane parallel to the secondary wire axis and perpendicular to the primary wire axis of the second length of the wire, the second plane parallel and offset from the first plane;
defining a second exterior coil end coupled to the second terminal; and
defining a second interior coil end:
inset from the second exterior coil end; and
arranged on a second side of the coil axis opposite the first interior coil end.

2 . The motor winding of claim 1 :
wherein the wire is wound in the continuous angular direction about the coil axis to form the continuous coil further comprising:
a junction segment:
comprising a third length of the wire extending between the first plane and the second plane to couple the first interior coil end of the first coil segment to the second interior coil end of the second coil segment.

Assignees

• Linear Labs Inc

Inventors

• Hatch Erik
• Langsdorf John
• Barbu Cosmin Gheorghe

Classifications

• H02K15/0431

  Concentrated windings · CPC title

• H02K21/227

  having an annular armature coil · CPC title

• H02K21/145

  having an annular armature coil (with homopolar co-operation H02K21/20) · CPC title

• H02K21/125

  having an annular armature coil (H02K21/14 - H02K21/24 take precedence) · CPC title

• H02K3/18

  Windings for salient poles · CPC title