21 patents
Utility
Methods of upgrading a conventional combustion system to include a perforated flame holder
18 Oct 22
Embodiments disclosed herein are directed to methods of upgrading a conventional combustion system into an upgraded combustion system that includes a perforated flame holder.
Douglas Wayne Karkow, Joseph Colannino, Christopher A. Wiklof
Filed: 16 Feb 16
Utility
Ultra low emissions firetube boiler burner
4 Oct 22
According to an embodiment, a fired heater includes a fuel and combustion air source configured to output fuel and combustion air into a combustion volume, the combustion volume including a combustion volume wall defining a lateral extent separate from an exterior volume.
Donald Kendrick, Douglas W. Karkow, Venkatesh Iyer, James K. Dansie, Jonathan Bucher, Aaron Salzbrun
Filed: 18 Jun 19
Utility
Burner system with discrete transverse flame stabilizers
6 Sep 22
A combustion system includes a fuel and oxidant source and a flame holder.
Donald Kendrick, James K. Danise, Douglas W. Karkow, Christopher A. Wiklof
Filed: 22 Oct 18
Utility
Plug and play burner
26 Apr 22
A combustion system includes a fuel and oxidant source that outputs fuel and oxidant, a first perforated flame holder, and a second perforated flame holder separated from the first perforated flame holder by a gap.
James K. Dansie, Douglas W. Karkow, Jesse Dumas, Donald Kendrick, Sunny Karnani, Christopher A. Wiklof
Filed: 12 Jul 18
Utility
Method for a perforated flame holder with adjustable fuel nozzle
15 Feb 22
A method for a combustion system includes outputting fuel from an adjustable-position fuel nozzle onto a perforated flame holder, the fuel being directed for mixture with an oxidant en route to the perforated flame holder.
Douglas W. Karkow, Joseph Colannino, James K. Dansie, Jesse Dumas, Donald Kendrick, Christopher A. Wiklof
Filed: 27 Dec 19
Utility
Fuel combustion system with a perforated reaction holder
26 Oct 21
A combustion system such as a furnace or boiler includes a perforated reaction holder configured to hold a combustion reaction that produces very low oxides of nitrogen (NOx).
Douglas W. Karkow, Robert E. Breidenthal, Joseph Colannino, Christopher A. Wiklof
Filed: 13 May 19
Utility
Electrodynamic control in a burner system
27 Jul 21
A burner system and a retrofit flame control system for an existing burner system are disclosed.
Christopher A. Wiklof
Filed: 8 Mar 19
Utility
Plasma pilot
13 Jul 21
A combustion system includes a perforated flame holder, a fuel nozzle configured to output fuel toward the perforated flame holder, and a plasma ignition device configured to output a plasma during a preheating state of the combustion system and to cease outputting the plasma to transition from the preheating state to the standard operating state.
Sunny Karnani, James K. Dansie, Jackson M. Pleis
Filed: 6 May 19
Utility
Porous flame holder for low NOx combustion
29 Jun 21
A burner includes a porous flame holder configured to support a combustion reaction to achieve a very low output of oxides of nitrogen (NOx).
Douglas W. Karkow, Joseph Colannino, Robert E. Breidenthal, Christopher A. Wiklof
Filed: 23 Sep 14
Utility
Burner system including a non-planar perforated flame holder
2 Nov 20
A combustion system such as a furnace or boiler includes a non-planar perforated flame holder configured to hold a combustion reaction.
Joseph Colannino, Douglas W. Karkow, James K. Dansie, Christopher A. Wiklof
Filed: 19 Sep 18
Utility
Method for electrically controlled combustion fluid flow
19 Oct 20
A combustion fluid flow barrier includes an aperture to control combustion fluid flow.
Douglas W. Karkow, Christopher A. Wiklof
Filed: 11 Dec 18
Utility
Pre-mixed fuel burner with perforated flame holder
19 Oct 20
A combustion system such as a furnace or boiler includes a perforated reaction holder configured to hold a combustion reaction that produces very low oxides of nitrogen (NOx).
Douglas W. Karkow, Joseph Colannino, Robert E. Breidenthal, Christopher A. Wiklof
Filed: 5 Apr 16
Utility
Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system
12 Oct 20
Embodiments disclosed herein are directed to devices and methods for improving operation of a combustion system.
Douglas Wayne Karkow, Joseph Colannino, Christopher A. Wiklof
Filed: 15 Feb 16
Utility
Burner including a perforated flame holder spaced away from a fuel nozzle
31 Aug 20
A perforated flame holder and burner including a perforated flame holder provides reduced oxides of nitrogen (NOx) during operation.
Douglas W. Karkow, Joseph Colannino, Igor A. Krichtafovitch, Robert E. Breidenthal, Christopher A. Wiklof
Filed: 26 Nov 17
Utility
Low NOx burner
24 Aug 20
A low NOx burner is configured to support a combustion reaction at a selected fuel mixture by anchoring a flame at a conductive flame anchor responsive to current flow between charges carried by the flame and the conductive flame anchor.
Joseph Colannino
Filed: 19 Nov 17
Utility
Electrical combustion control system including a complementary electrode pair
8 Jun 20
Two or more unipolar voltage generation systems may apply respective voltages to separate but complementary electrodes.
Igor A. Krichtafovitch
Filed: 14 Nov 13
Utility
Combustion system with a grid switching electrode
20 Apr 20
A high voltage can be applied to a combustion reaction to enhance or otherwise control the combustion reaction.
Igor A. Krichtafovitch, Christopher A. Wiklof
Filed: 25 Jul 18
Utility
Perforated flame holder with adjustable fuel nozzle
2 Mar 20
A combustion system includes a perforated flame holder, an oxidant source, and an adjustable fuel nozzle.
Douglas W. Karkow, Joseph Colannino, James K. Dansie, Jesse Dumas, Donald Kendrick, Christopher A. Wiklof
Filed: 27 Jul 17
Utility
Multi-nozzle combustion assemblies including perforated flame holder, combustion systems including the combustion assemblies, and related methods
3 Feb 20
Embodiments disclosed herein are directed to integrated combustion assemblies including a perforated flame holder, combustion systems that include one or more integrated combustion assemblies, and related methods.
Jerry Michael Lang, Sr., Douglas Wayne Karkow, Donald Kendrick, James Kyle Dansie, Terry Lynn Montgomery, Jesse Dumas, Christopher A. Wiklof
Filed: 9 Mar 17
Utility
Adaptor for providing electrical combustion control to a burner
28 Oct 19
Technologies are provided for an adaptor for introducing electricity into a combustion chamber, for the purpose of electrical flame or combustion control.
Christopher A. Wiklof, Nicholas S. Bromer
Filed: 16 Aug 15