IP Library Granted Patent US 10,218,239
Granted Patent B2
US 10,218,239 · App. 15/210,570 · Granted Feb 26, 2019

Brushless motor having terminal fixing blocks

Inventors: Gengxiang Li (Changzhou, CN); Kuilin Yang (Changzhou, CN); Lei Wang (Changzhou, CN)
Assignee: BERGSTROM, INC.
H02K3/522H02K21/16H02K29/03H02K2201/03H02K2213/03
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Quick Facts
Patent No.
US 10,218,239
App. No.
15/210,570
Granted
Feb 26, 2019
Kind
B2
Abstract

A brushless motor includes a stator having a stator core; and an upper insulating bobbin connected to an upper face of the stator core, an upper surface of the upper insulating bobbin having a plurality of terminal fixing blocks and a plurality of wire through blocks, each terminal fixing block having a wire-through notch for positioning a wire and a terminal socket electrically connected with the wire. A first angle between a wire slot of each terminal fixing block and a radial direction of the upper insulating block is 50°-130°, and a second angle between a terminal socket of each terminal fixing block and a circumference direction of the upper bobbin is 50°-130°.

Claims (19)

1. A brushless motor, comprising:

a stator having a stator core; and

an upper insulating bobbin connected to an upper face of the stator core, the upper insulating bobbin including a plurality of coil wound portions, and an upper surface of the upper insulating bobbin having a plurality of terminal fixing blocks and a plurality of wire through blocks, each terminal fixing block having a wire-through notch for positioning a wire on the upper insulating bobbin with respect to the coil wound portions and a terminal socket electrically connected with the wire,

wherein a first angle between the wire-through notch of each terminal fixing block and a radial direction of the upper insulating bobbin is 50°-130°, and wherein the terminal socket of each terminal fixing block is inserted into the terminal fixing block to be electrically connected with the wire in the wire-through notch.

2. The brushless motor according to claim 1 , further comprising a printed circuit board mounted to the upper insulating bobbin, wherein the terminal socket extends substantially perpendicular relative to the upper surface of the upper insulating bobbin to electrically connect with the printed circuit board.

3. The brushless motor according to claim 1 , wherein each terminal fixing block includes a MAG Mate Multispring terminal.

4. The brushless motor according to claim 1 , wherein the wire being electrically connected with the terminal socket is oriented in the circumference direction of the upper insulating bobbin at the terminal socket.

5. The brushless motor according to claim 1 , further comprising a lower insulating bobbin connected to a lower face of the stator core.

6. The brushless motor according to claim 1 , further comprising a rotor rotatably disposed within the stator.

7. The brushless motor according to claim 1 , wherein a second angle between a line across an insertion opening of the terminal socket of each terminal fixing block and a circumference direction of the upper insulating bobbin is 50°-130°.

8. The brushless motor according to claim 1 , wherein the plurality of coil wound portions includes at least a first coil wound portion, a second coil wound portion, a third coil wound portion, a fourth coil wound portion, a fifth coil wound portion, and a sixth coil wound portion disposed sequentially on the upper insulating bobbin,

wherein the wire is routed into an upper part of the first coil wound portion to be wound around the first coil wound portion,

wherein the wire is routed out of the lower part of the first coil wound portion and into a lower part of the fourth coil wound portion to be wound around the fourth coil wound portion,

wherein the wire is routed out of an upper part of the fourth coil wound portion and into an upper part of the fifth coil wound portion to be wound around the fifth coil wound portion,

wherein the wire is routed out of the lower part of the fifth coil wound portion and into a lower part of the second coil wound portion to be wound around the second coil wound portion,

wherein the wire is routed out of an upper part of the second coil wound portion and into an upper part of the third coil wound portion to be wound around the third coil wound portion, and

wherein the wire is routed out of the lower part of the third coil wound portion and into a lower part of the sixth coil wound portion to be wound around the sixth coil wound portion and routed out from an upper part of the sixth coil.

9. The brushless motor according to claim 8 , wherein the wire is routed to the first coil wound portion, the second coil wound portion, the third coil wound portion, the fourth coil wound portion, the fifth coil wound portion, and the sixth coil wound portion as a single wire.

10. The brushless motor according to claim 1 , wherein each terminal fixing block is adjacent to one of the coil wound portions in the radial direction of the upper insulating bobbin.

Assignments (2)
SECURITY AGREEMENT Recorded Jun 24, 2019
From: BERGSTROM INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 049564/0389 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 3, 2016
From: LI, GENGXIANG; YANG, KUILIN; WANG, LEI
To: BERGSTROM, INC.
Reel/Frame 039333/0328 →
Priority Claims (1)
CN 2015 1 0420854 · Jul 16, 2015 · national
Continuity (1)
Related Publication 20170018992A1 · Jan 19, 2017
Cited By (6)
US 12,230,828 US 12,261,497 US 12,266,953 US 12,451,527 US 12,537,414 US 12,689,254