Larry D Swanson

US Patent:

6474271, Nov 5, 2002

Filed:

Apr 26, 2001

Appl. No.:

09/842322

Inventors:

Neil Colin Widmer - San Clemente CA
Roy Payne - Mission Viejo CA
Antonio Marquez - Tustin CA
Larry William Swanson - Laguna Hills CA
Philippe J. Gauthier - Fullerton CA

Assignee:

General Electric Company - Schenectady NY

International Classification:

F22B 3756

US Classification:

122405, 60282, 422172, 423235

Abstract:

An apparatus for controlling the emissions of nitrogen oxides from a combustion system includes at least one nozzle assembly having an array of openings for delivering droplets of a fluid chemical agent to a flue gas within the combustion system; a controller operatively coupled to the at least one nozzle assembly for controlling the size and distribution of each droplet; an excitation mechanism operatively coupled to the at least nozzle assembly for providing additional control over the size and distribution of each droplet; and the array of openings arranged for deflecting the droplets to prevent droplet collisions.

US Patent:

6865994, Mar 15, 2005

Filed:

Apr 3, 2003

Appl. No.:

10/249379

Inventors:

William Randall Seeker - San Clemente CA, US
Roy Payne - Mission Viejo CA, US
Larry William Swanson - Laguna Hills CA, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

F23B005/00
F23G007/06
F23J015/00

US Classification:

110345, 110214, 110265, 110203, 431181, 431348

Abstract:

An overfire air injector for use in a fossil fuel-fired combustion device includes a cylindrical nozzle having an outlet end formed with a step diffuser comprising one or more radial steps that enlarge the outlet end of the nozzle. An atomizer lance may be mounted within the nozzle, having a discharge orifice at the outlet end of the nozzle, for supplying a reducing agent to the overfire air to reduce NOx emissions.

US Patent:

7374736, May 20, 2008

Filed:

Nov 13, 2003

Appl. No.:

10/705820

Inventors:

Roy Payne - Mission Viejo CA, US
Wei Zhou - Foothill Ranch CA, US
Vitali Victor Lissianski - San Juan Capistrano CA, US
Vladimir M. Zamansky - Oceanside CA, US
Larry William Swanson - Laguna Hills CA, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

B01D 53/56

US Classification:

423235

Abstract:

A method of decreasing the concentration of nitrogen oxides in a combustion flue gas in which a nitrogen reducing agent is introduced together with the overfire air to mixes with the products of primary combustion along with the overfire air. The nitrogen agent reduced NOx as it passes through the temperature regime that is optimum for the NOx reduction as overfire air and flue gas mix. The transition from low to high temperature effectively eliminates ammonia slip. Additionally, the nitrogen agent may be mixed with the overfire air stream in such a manner that it is optimally shielded from early mixing with the products of primary combustion, where a portion of the overfire air reacts initially with any residual carbon monoxide (CO) that would otherwise interfere with the NOx reduction chemistry.

US Patent:

7776279, Aug 17, 2010

Filed:

May 19, 2008

Appl. No.:

12/123136

Inventors:

Roy Payne - Mission Viejo CA, US
Wei Zhou - Foothill Ranch CA, US
Vitali Victor Lissianski - San Juan Capistrano CA, US
Vladimir M. Zamansky - Oceanside CA, US
Larry William Swanson - Laguna Hills CA, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

B01D 50/00

US Classification:

422168, 422182

Abstract:

A combustion apparatus for combusting including: a boiler defining an enclosed flue gas path having a combustion zone and a burnout zone, wherein flue gas is formed in the combustion zone and the combustion flue gas comprising nitrogen oxides; a fuel injector aligned with and introducing fuel into the combustion zone and a combustion air injector aligned with and introducing air into the combustion zone; an overfire air system adjacent the burnout zone comprising an overfire air port adjacent the burnout zone and through which overfire air flows into the burnout zone, and a nitrogen reagent injector having an outlet aligned with the overfire air system and injecting nitrogen reagent gas or small droplets into said overfire air, wherein said small droplets have an average diameter of no greater than 50 microns.

US Patent:

8430665, Apr 30, 2013

Filed:

Feb 25, 2008

Appl. No.:

12/036739

Inventors:

Roy Payne - Mission Viejo CA, US
Larry William Swanson - Laguna Hills CA, US
David Kelly Moyeda - Laguna Hills CA, US
Antonio Marquez - San Dimas CA, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

F23D 1/02
F23N 5/18

US Classification:

431 8, 431115, 431 10, 431187, 110345, 110210, 110203, 110302

Abstract:

Combustion systems having reduced nitrogen oxide emissions and methods of using the same are disclosed herein. In one embodiment, a combustion system is provided. The combustion system includes a combustion zone, which includes a burner for converting a fuel, under fuel rich conditions, to a flue gas. An intermediate staged air inlet is downstream from the combustion zone, for supplying intermediate staged air to the flue gas and producing fuel lean conditions. A reburn zone is downstream from the intermediate staged air inlet for receiving the flue gas. A process for using the combustion system and a method of reducing NOflowing into the reburn zone of a combustion system are also described herein.

US Patent:

20080083356, Apr 10, 2008

Filed:

Oct 9, 2006

Appl. No.:

11/539685

Inventors:

Roy Payne - Mission Viejo CA, US
Larry W. Swanson - Laguna Hills CA, US
Michael Hill - Sleaford, GB

International Classification:

F23B 10/00
F23M 5/08
F23L 9/00

US Classification:

110297, 110214, 110348

Abstract:

A boiler incorporates an overfire air injection system for reducing NOemissions. The boiler comprises a combustion device including a plurality of main burners supplied with fossil fuel and air for burning in a combustion zone, where the burners produce flue gases that flow from the combustion zone into a burnout zone. The boiler further comprises at least one overfire air injector for supplying overfire air to the combustion device and at least one booster overfire air injector for supplying high-pressure air to the combustion device.

US Patent:

45308381, Jul 23, 1985

Filed:

Jul 8, 1983

Appl. No.:

6/512421

Inventors:

Ronald M. Evans - La Jolla CA
Larry Swanson - Solana Beach CA
Wylie W. Vale - La Jolla CA
Michael G. Rosenfeld - San Diego CA
Susan G. Amara - La Jolla CA
Marvin R. Brown - Del Mar CA
Jean E. F. Rivier - La Jolla CA

Assignee:

The Salk Institute for Biological Studies - San Diego CA

International Classification:

A61K 3702
C07C10352

US Classification:

514 11

Abstract:

CGRP (calcitonin-gene-related peptide) has the formula: ##STR1## A related peptide has the residue Lys instead of Glu in the 35-position. CGRP or this homolog or pharmaceutically acceptable salts thereof, dispersed in a pharmaceutically acceptable liquid or solid carrier, can be administered to mammals, including humans, to influence memory, mood and pain appreciation and to achieve a substantial lowering of blood pressure or gastric acid secretion over an extended period of time. They also may be administered to affect ingestion behavior, taste and sensory perception.