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:

Feb. 16, 2017
Applicant:

Won Ki Chung, Seoul, KR;

Inventors:

Soo Jin Chung, Seoul, KR;

Ji-Young Kang, Incheon, KR;

Dong-Ryeol Kim, Siheung-si, KR;

Ki Woong Kim, Incheon, KR;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D 1/62 (2006.01); C21D 1/613 (2006.01); C21D 1/767 (2006.01); C21D 9/00 (2006.01);
U.S. Cl.
CPC ...
C21D 1/62 (2013.01); C21D 1/613 (2013.01); C21D 1/767 (2013.01); C21D 9/0025 (2013.01);
Abstract

A quenching apparatus capable of quickly reversing a flow of cooling gas flowing in a chamber. The quenching apparatus includes: a chamber provided with a gas inlet and a gas outlet and having an object charged therein; a pair of flow generating means disposed on both sides of the chamber and generating a flow of gas in the chamber; and a flow direction reversing means disposed in the chamber and reversing a flow direction of gas to make the gas flow in any one of a first flow direction in which the gas flows from top to bottom of the object and a second flow direction in which the gas flows from the bottom to the top of the object.


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