IP Library › Granted Patent US 12683456
Granted Patent B2
US 12683456 · App. 18/420,561 · Granted Jul 14, 2026

Motor assembly with elastic member contacting a printed circuit board and a connector cover

Inventor: Jihwan Kim (Gyeonggi-do, KR)
Assignee: HL MANDO CORPORATION
H02K5/225B62D5/0403H02K5/10H02K5/24H02K11/33H01R12/716H01R13/521
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Quick Facts
Patent No.
US 12683456
App. No.
18/420,561
Granted
Jul 14, 2026
Kind
B2
Abstract

A steering apparatus for a vehicle includes a motor housing having a motor built therein; a board housing having a printed circuit board built therein, and coupled to the motor housing; a connector cover provided with connector terminals electrically connected to elements of the printed circuit board, and coupled to the board housing; and an elastic member having one surface brought into close contact with the printed circuit board and the other surface brought into close contact with the connector cover.

Claims (30)

1 . A motor assembly comprising:

a motor housing accommodating a motor therein;

a board housing accommodating a printed circuit board therein, the board housing coupled to the motor housing;

a connector cover having connector terminals electrically connected to electric components of the printed circuit board, the connector cover coupled to the board housing; and

an elastic member having one surface contacting the printed circuit board and an other surface contacting the connector cover,

wherein the elastic member is substantially ring-shaped to surround the connector terminals, and

wherein a locking projection protrudes from the one surface of the elastic member toward the printed circuit board, and a locking hole is formed on the printed circuit board such that the locking projection of the elastic member is inserted in the locking hole of the printed circuit board.

2 . The motor assembly of claim 1 , wherein the elastic member is disposed around the connector terminals.

3 . The motor assembly of claim 1 , wherein the one surface of the elastic member is fixed to the printed circuit board.

4 . The motor assembly of claim 3 , wherein the other surface of the elastic member has cover support protrusions configured to be elastically deformable and supported by the connector cover.

5 . The motor assembly of claim 1 , wherein the other surface of the elastic member is fixed to the connector cover.

6 . The motor assembly of claim 5 , wherein the one surface of the elastic member has board support protrusions configured to be elastically deformable and supported by the printed circuit board.

7 . The motor assembly of claim 1 , wherein a seal is disposed between an inner area surrounded by the elastic member and the connector terminals.

8 . The motor assembly of claim 1 , wherein an end portion of the locking projection of the elastic member has a fixing portion larger having a diameter than a diameter of the locking hole of the printed circuit board.

9 . A motor assembly comprising:

a motor housing accommodating a motor therein;

a board housing accommodating a printed circuit board therein, the board housing coupled to the motor housing;

a connector cover having connector terminals electrically connected to electric components of the printed circuit board, and a protruding wall formed around the connector terminals, protruding toward the printed circuit board, and coupled to the board housing; and

an elastic member having one surface contacting the printed circuit board and an other surface contacting the protruding wall of the connector cover.

10 . The motor assembly of claim 9 , wherein the protruding wall of the connector cover comprises partition walls protruding from a bottom surface of the connector cover and surrounding the connector terminals.

11 . The motor assembly of claim 10 , wherein the one surface of the elastic member is fixed to the printed circuit board.

12 . The motor assembly of claim 11 , wherein the other surface of the elastic member has cover support protrusions configured to be elastically deformable and supported by a distal end surface of the protruding wall of the connector cover.

13 . The motor assembly of claim 11 , wherein the elastic member comprises:

a distal end support part supported by the distal end surface of the protruding wall of the connector cover; and

a side support part bent and extending outward from an outer edge of the distal end support part and supported by an outer surface of the protruding wall of the connector cover.

14 . The motor assembly of claim 10 , wherein the elastic member is fixed to the distal end surface of the protruding wall of the connector cover.

15 . The motor assembly of claim 14 , wherein the one surface of the elastic member has board support protrusions configured to be elastically deformable and supported by the printed circuit board.

16 . The motor assembly of claim 10 , wherein a seal is disposed between an inner area surrounded by the protruding wall of the connector cover and the elastic member and the connector terminals.

17 . The motor assembly of claim 10 , wherein a locking projection protrudes from the one surface of the elastic member toward the printed circuit board, and a locking hole is formed on the printed circuit board such that the locking projection of the elastic member is inserted in the locking hole of the printed circuit board.

18 . The motor assembly of claim 17 , wherein an end portion of the locking projection of the elastic member has a fixing portion having a diameter larger than a diameter of the locking hole.