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US 8,881,535 B2Granted
Electric field control of two or more responses in a combustion system
AssigneeClearsign Combustion Corporation
InventorsThomas S. Hartwick, David B. Goodson, Christopher A. Wiklof, Joseph Colannino
Life of this patent
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Abstract
A combustion system may include a plurality of heated volume portions. At least two of the plurality of heated volume portions may include corresponding respective electrodes. The electrodes may be driven to produce respective electric fields in their respective volumes. The electric fields may be configured to drive desired respective responses.
Claims35
A system for controlling a plurality of electric fields in a combustion system including at least one burner supporting a flame, comprising:
- an electronic controller programmed to produce at least a first electrode drive signal and a second electrode drive signal independent from the first electrode drive signal;
- at least one first electrode arranged proximate a burner and operatively coupled to receive the first electrode drive signal, the first electrode being configured to apply, proximate a flame supported by the burner, a first electric field corresponding to the first electrode drive signal;
- and
- at least one second electrode arranged distal, in a direction parallel to a longitudinal axis of the burner, from the burner, relative to the at least one first electrode, and operatively coupled to receive the second electrode drive signal, the second electrode being configured to apply a second electric field corresponding to the second electrode drive signal.
1 more element
An external combustion system, comprising:
- at least one burner configured to support at least one flame disposed in a combustion chamber;
- an electronic controller programmed to produce at least a first electrode drive signal and a second electrode drive signal independent from the first electrode drive signal;
- at least one first electrode positioned proximate to the combustion chamber, operatively coupled to the electronic controller, configured to receive the first electrode drive signal, and configured to apply a first time-varying electric field in the combustion chamber and near the at least one flame;
- and
- at least one second electrode positioned downstream of the at least one first electrode and positioned proximate to a heat exchange volume that is positioned and configured to receive at least hot gases from the combustion chamber, the at least one second electrode being operatively coupled to the electronic controller and configured to receive the second electrode drive signal;
- the at least one second electrode being further configured to apply a second time-varying electric field within the heat exchange volume and near the hot gases.
3 more elements
Dependencies are inferred from the claim text.