Title:
METHOD FOR MANUFACTURING COOLING DEVICE AND MOTOR HOUSING COOLING DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/045512
Kind Code:
A1
Abstract:
The present invention relates to a method for manufacturing a cooling device and a motor housing cooling device using the same, the manufacturing method comprising the steps of: manufacturing a cooling pipe to be formed in a shape allowing the same to be embedded in a housing body; filling the inside of the formed cooling pipe with a support material; manufacturing a portion, which is formed by dividing the housing body, as a jig body so as to support the cooling pipe inside a housing body injection mold; injection-molding the housing body by providing the cooling pipe inside the housing body injection mold such that the cooling pipe is supported by the jig body; and removing the support material filled inside the cooling pipe after molding.
Inventors:
YOO JIN HO (KR)
Application Number:
PCT/KR2018/010128
Publication Date:
March 07, 2019
Filing Date:
August 31, 2018
Export Citation:
Assignee:
MH TECH INC (KR)
International Classes:
H02K15/14; B22C9/10; B22D19/04; B22D29/00; B29C39/10; B29C39/40; B60K11/02; H02K5/24; H02K9/19
Foreign References:
| KR101761677B1 | 2017-08-07 | |||
| KR100214704B1 | 1999-08-02 | |||
| JP2003199318A | 2003-07-11 | |||
| JP2007174886A | 2007-07-05 | |||
| JPH09285084A | 1997-10-31 |
Other References:
See also references of EP 3681021A4
Attorney, Agent or Firm:
DAHAI INTERNATIONAL PATENT & LAW FIRM (KR)
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