The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 27, 2020

Filed:

Nov. 06, 2018
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventors:

Young-Rae Jo, Gyeonggi-do, KR;

Hyo-Moon Joo, Seoul, KR;

Min-Soo Kim, Seoul, KR;

Mun-Gu Kang, Gyeonggi-do, KR;

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B22D 13/10 (2006.01); B22C 9/06 (2006.01);
U.S. Cl.
CPC ...
B22D 13/101 (2013.01); B22C 9/067 (2013.01);
Abstract

A vacuum centrifugal casting apparatus includes an upper mold having an upper vacuum hole communicating with both a cavity and a space over the upper mold, a lower mold including a lower vacuum hole corresponding to the upper vacuum hole, the lower vacuum hole communicating with both the cavity and a space under the lower mold, a motor configured to rotate the upper mold and the lower mold, a vacuum retaining member having an outer diameter corresponding to the upper vacuum hole, with a molten metal injection hole formed in an upper end of the vacuum retaining member, and a vacuum pump configured to be operated by the motor, and including an inlet communicating with the lower vacuum hole, and an outlet formed to exhaust drawn air.


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