公开(公告)号：US20180023810A1

公开(公告)日：2018-01-25

申请号：US15549957

申请日：2016-02-16

Applicant: CLEARSIGN COMBUSTION CORPORATION

Inventor： Douglas Wayne KARKOW ,  Joseph COLANNINO ,  Christopher A. WIKLOF

IPC: F23N5/18 ,  B23P19/04

Abstract: Embodiments disclosed herein are directed to devices and methods for improving operation of a combustion system. According to various embodiments disclosed herein, a prefabricated integrated combustion assembly is disclosed that may be installed into a combustion chamber of a combustion system. The combustion system may be a new combustion system that is being manufactured or a conventional combustion system that is being retrofitted.

公开(公告)号：US20180038589A1

公开(公告)日：2018-02-08

申请号：US15521011

申请日：2015-12-23

Applicant: CLEARSIGN COMBUSTION CORPORATION

Inventor： Douglas Wayne KARKOW ,  Robert E. BREIDENTHAL ,  Christopher A. WIKLOF ,  Donald KENDRICK

IPC: F23D14/16

CPC classification number: F23D14/16 ,  F23D14/14 ,  F23D14/58 ,  F23D14/82

Abstract: Embodiments disclosed herein include flame holders that may provide recirculated fuel flow therethrough, combustion systems that include such flame holders, and related methods. A fuel and/or fuel-oxidant mixture may pass through one or more openings in the flame holder and, after combustion, the resulting flame may be held at or near a surface of the flame holder including in the one or more openings. Generally, the configuration of the flame holders disclosed herein (e.g., the one or more openings of the flame holders) may recirculate or regulate (e.g., decrease and/or increase) the flow of fuel and/or oxidant therethrough, at least limit flame flashback, improve fuel/oxidant mixing, increase flame stability, regulate where the flame is located in the flame holder, improve the operational stability window of the combustion system, or combinations of the foregoing.

公开(公告)号：US20180023807A1

公开(公告)日：2018-01-25

申请号：US15549966

申请日：2016-02-16

Applicant: CLEARSIGN COMBUSTION CORPORATION

Inventor： Douglas Wayne KARKOW ,  Joseph COLANNINO ,  Christopher A. WIKLOF

IPC: F23D11/40 ,  F23D14/26

CPC classification number: F23D11/406 ,  F23D14/26

Abstract: Embodiments disclosed herein are directed to methods of upgrading a conventional combustion system into an upgraded combustion system that includes a perforated flame holder. For example, the perforated flame holder may improve operational efficiency of the combustion system and/or reduce pollutants such as NOx output by the upgraded combustion system.