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. 07, 2025

Filed:

Dec. 01, 2023
Applicant:

Kyungdong Navien Co., Ltd., Gyeonggi-do, KR;

Inventors:

Kyu Hong Lee, Seoul, KR;

Choong Gon Lee, Seoul, KR;

Jun Kyu Park, Seoul, KR;

Assignee:

KYUNGDONG NAVIEN CO., LTD., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23N 1/02 (2006.01); F23D 14/04 (2006.01); F23D 14/60 (2006.01); F23D 14/62 (2006.01);
U.S. Cl.
CPC ...
F23N 1/027 (2013.01); F23D 14/04 (2013.01); F23D 14/60 (2013.01); F23D 14/62 (2013.01); F23N 2235/24 (2020.01); F23N 2237/10 (2020.01);
Abstract

Provided is a dual venturi. The dual venturi includes a housing including a housing body opened in a reference direction so that a gas or air flows, an inner partition wall through which an inner space of the housing body is divided into a first conduit and a second conduit, and a gas providing part provided with a first gas conduit passing through the first conduit to allow the first conduit to communicate with the outside therein and a second gas conduit configured to allow the second conduit to communicate with the outside, an opening/closing unit disposed in the inner space to open and close the first gas conduit and the second conduit, and a driver connected to the opening/closing unit to provide driving force to the opening/closing unit.


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