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Clearsign Combustion Corporation patents


Recent patent applications related to Clearsign Combustion Corporation. Clearsign Combustion Corporation is listed as an Agent/Assignee. Note: Clearsign Combustion Corporation may have other listings under different names/spellings. We're not affiliated with Clearsign Combustion Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Clearsign Combustion Corporation-related inventors


Burner and support structure with a perforated flame holder

A combustion system includes a fuel and oxidant source, a perforated flame holder, and a support structure that supports the perforated flame holder at a selected distance from the fuel and oxidant source. The fuel and oxidant source outputs fuel and oxidant onto the perforated flame holder. The perforated flame... Clearsign Combustion Corporation

Flame holders with fuel and oxidant recirculation, combustion systems including such flame holders, and related methods

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... Clearsign Combustion Corporation

Perforated flame holder and system including protection from abrasive or corrosive fuel

A burner system that employs a perforated flame holder and is configured to combust a powdered solid fuel includes a structure configured to protect the perforated flame holder from erosion caused by particles of the solid fuel.... Clearsign Combustion Corporation

Methods of upgrading a conventional combustion system to include a perforated flame holder

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.... Clearsign Combustion Corporation

Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system

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... Clearsign Combustion Corporation

Perforated flame holder with adjustable fuel nozzle

A combustion system includes a perforated flame holder, an oxidant source, and an adjustable fuel nozzle. The oxidant source outputs oxidant. The adjustable fuel nozzle outputs fuel onto the perforated flame holder. The perforated flame holder supports a combustion reaction of the fuel and oxidant within the perforated flame holder.... Clearsign Combustion Corporation

Fuel combustion system with a perforated reaction holder

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).... Clearsign Combustion Corporation

Burner system with a perforated flame holder and a plurality of fuel sources

A burner system includes a perforated flame holder configured to hold a combustion reaction and a plurality of fuel nozzles aligned to deliver respective fuel streams to the perforated flame holder.... Clearsign Combustion Corporation

Electrodynamic control in a burner system

A burner system and a retrofit flame control system for an existing burner system are disclosed. The burner system may include burner components, electrodynamic components, and a data interface. The data interface may receive a command for controlling the burner components and prepare a command for controlling the electrodynamic components... Clearsign Combustion Corporation

Fuel nozzle assembly for a burner including a perforated flame holder

A fuel nozzle assembly includes one or more tapered fuel nozzles. Each tapered fuel nozzle includes an acute trailing edge or tip at a top portion of the fuel nozzle. One or more fuel orifices are arranged proximate the acute trailing edge or tip. A tapered fuel nozzle having a... Clearsign Combustion Corporation

Apparatus and electrically stabilized combustion

An electrically stabilized burner is configured to support a combustion reaction such as a combustion reaction substantially at a selected fuel dilution and with a mixing rate selected to maximize the reaction rate without quenching the combustion reaction.... Clearsign Combustion Corporation

System and applying an electric field to a flame with a current gated electrode

A system and method for electrically controlling a position of a combustion reaction and/or for protecting a flame controller by decoupling an ionizer from a power supply.... Clearsign Combustion Corporation

Multi-nozzle combustion assemblies, including perforated flame holder, combustion systems including the combustion assemblies, and related methods

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. For example, an integrated combustion assembly may be placed into service (e.g., integrated into a combustion system) as a complete and/or replaceable unit,... Clearsign Combustion Corporation

Method for combustion of multiple fuels

According to embodiments, a co-fired or multiple fuel combustion system is configured to apply an electric field to a combustion region corresponding to a second fuel that normally suffers from poor combustion and/or high sooting. Application of an AC voltage to the combustion region was found to increase the extent... Clearsign Combustion Corporation

Perforated flame holder with integrated sub-quench distance layer

A flame holder assembly includes a flame holder element and a flame shield element. The flame holder element has a first plurality of apertures extending through the flame holder element. The flame shield element has a second plurality of apertures extending through the flame shield element. Each of the second... Clearsign Combustion Corporation

Electrodynamic control in a burner system

... Clearsign Combustion Corporation

Radiant wall burner including perforated flame holders

A cracking furnace includes a combustion volume defined in part by a burner wall having a refractory lining. A plurality of perforated flame holders is arranged in an array that is spaced away from the wall, with fuel input faces facing the wall. Each of a plurality of fuel nozzles... Clearsign Combustion Corporation

Burner system including a moveable perforated flame holder

A burner includes a perforated flame holder configured to be disposed at a plurality of locations relative to a fuel and air source.... Clearsign Combustion Corporation

Low inertia power supply for applying voltage to an electrode coupled to a flame

A system and method for electrically charging a combustion flame with a power supply.... Clearsign Combustion Corporation

Asymmetrical unipolar flame ionizer using a step-up transformer

A system and method for electrically charging a combustion flame with a power supply.... Clearsign Combustion Corporation

Electrodynamic combustion control with current limiting electrical element

An charge element disposed proximate to a combustion reaction is caused to carry a voltage while also being prevented from arc-discharging or arc-charging to or from the combustion reaction, by a current limiting element in electrical continuity with the charge element.... Clearsign Combustion Corporation

Combustion system with a perforated flame holder and an external flue gas recirculation apparatus

A combustion system includes a perforated flame holder positioned within a combustion volume, a nozzle configured to emit a fuel stream toward the perforated flame holder, an oxidant source configured to introduce an oxidizer fluid into the combustion volume, and a flue gas recirculation (FGR) channel having a first end... Clearsign Combustion Corporation

Burner system including a non-planar perforated flame holder

A combustion system such as a furnace or boiler includes a non-planar perforated flame holder configured to hold a combustion reaction.... Clearsign Combustion Corporation

Down-fired burner with a perforated flame holder

A down-fired flame burner includes a flame holder positioned below the burner. The flame holder includes a plurality of perforations that collectively confine a combustion reaction of the burner to the flame holder.... Clearsign Combustion Corporation

Method for precombustion ionization

Technologies are provided for employing an ion flow to control a combustion reaction. A combustion reaction is supported at a burner or fuel source. One or more electrical signals are applied to an ionizer to generate an ion flow having a first polarity. The ion flow is introduced to the... Clearsign Combustion Corporation

Charged ion flows for combustion control

... Clearsign Combustion Corporation

Low nox fire tube boiler

A fire tube boiler includes a perforated flame holder configured to hold a combustion reaction that produces very low oxides of nitrogen (NOx).... Clearsign Combustion Corporation








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