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.
Patent No.:
Date of Patent:
May. 15, 2018
Filed:
Apr. 15, 2013
Kyungdong Navien Co., Ltd., Pyeongtaek-si, Gyeonggi-do, KR;
Hyoung Rae Kim, Suwon-si, KR;
Seung Kil Son, Bucheon-si, KR;
KYUNGDONG NAVIEN CO., LTD, Pyeongtaek-si, KR;
Abstract
The purpose of the present invention is to provide a combustion device for improving a turndown ratio, which is capable of stably implementing a combusted state in a low-output load region by improving a turndown ratio of a burner. To this end, the present invention provides the combustion device having a premixing chamber () which is connected to an air supply tube () and a gas supply tube (), and which has a space for premixing air and gas provided therein, wherein the space for premixing the air and gas supplied from the air supply tube () and the gas supply tube () is divided into multiple stages of a venturi structure in the premixing chamber (), and the discharging direction of the gas discharged inside the premixing chamber () through the gas supply tube () is formed in parallel to the flow direction of the gas supplied inside the premixing chamber () through the air supply tube ().