39 patents
Utility
Burner System with Discrete Transverse Flame Stabilizers
9 Mar 23
A combustion system includes a fuel and oxidant source and a flame holder.
VENKATESH IYER, COLIN JAMES DELLER, JEFF LEWALLEN, DONALD KENDRICK, JAMES K. DANSIE, DOUGLAS W. KARKOW, CHRISTOPHER A. WIKLOF
Filed: 2 Sep 22
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 and Burner System with Flange Mount
22 Sep 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: 6 Apr 22
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
Burner Including an Electrical Permittivity or Electrical Capacitance Flame Sensor
19 Aug 21
A burner includes a flame sensor configured to detect at least one of permittivity, capacitance, or resistance across a flame region.
DONALD KENDRICK, ROBERT GEIGER, JACKSON MATTHEW PLEIS, CHRISTOPHER A. WIKLOF
Filed: 28 Dec 20
Utility
Variable Composition Gas Mixture Sensor
19 Aug 21
A system for measuring a fuel-oxidant equivalence ratio includes at least one wall defining a gas volume including fuel and air.
ROBERT GEIGER, DONALD KENDRICK, JACKSON MATTHEW PLEIS, CHRISTOPHER A. WIKLOF
Filed: 28 Dec 20
Utility
Low Emission Modular Flare Stack
5 Aug 21
A low emissions modular flare stack includes a plurality of flare stack burner modules, each including a main fuel source configured to selectively deliver a main fuel stream for dilution by a flow of combustion air, a main igniter configured to cause ignition of the main fuel stream emitted from the main fuel source, a distal flame holder configured to hold a combustion reaction supported by the main fuel stream when the distal flame holder is at or above a predetermined temperature, and a pre-heating apparatus configured to pre-heat the distal flame holder to the predetermined temperature.
COLIN JAMES DELLER, MATT HOSIE, DOUGLAS W. KARKOW, DONALD KENDRICK, CHRISTOPHER A. WIKLOF
Filed: 5 Feb 20
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
CorrectedBurner System Including a Distal Flame Holder and a Non-reactive Fluid Source
24 Jun 21
A burner includes a distal flame holder, first and second fuel nozzles, a fuel and oxidant source, and a mixing tube disposed upstream from the distal flame holder.
Colin James Deller, Donald Kendrick, Venkatesh Iyer, Douglas W. Karkow
Filed: 30 Jan 20
Utility
CorrectedControl System and Method for a Burner with a Distal Flame Holder
3 Jun 21
A combustion system includes a distal flame holder, a pilot fuel distributor, a main fuel distributor, an oxidant source, an array of sensors, and a controller.
DOUGLAS W. KARKOW, DONALD KENDRICK, JAMES K. DANSIE, CHRISTOPHER A. WIKLOF
Filed: 17 Jan 20
Utility
Prefabricated Integrated Combustion Assemblies and Methods of Installing the Same into a Combustion System
6 May 21
Embodiments disclosed herein are directed to devices and methods for improving operation of a combustion system.
DONALD KENDRICK, WILLIAM A. SANTANA, CHRISTOPHER A. WIKLOF
Filed: 12 Oct 20
Utility
Burner System Including a Plurality of Perforated Flame Holders
4 Mar 21
A combustion system includes a fuel and oxidant source, a first distal flame holder body, a second distal flame holder body, and a thermal load.
DOUGLAS W. KARKOW, JAMES K. DANSIE, VENKATESH IYER, DONALD KENDRICK, COLIN JAMES DELLER, CHRISTOPHER A. WIKLOF
Filed: 8 Sep 20
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
CorrectedUltra Low Emissions Firetube Boiler Burner
28 Oct 20
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: 17 Jun 19