Thomas L Bunn

US Patent:

6763051, Jul 13, 2004

Filed:

May 20, 2002

Appl. No.:

10/151653

Inventors:

Thomas L. Bunn - Simi Valley CA
Stephen C. Hurlock - Simi Valley CA
Alan Z. Ullman - Northridge CA

Assignee:

The Boeing Company - Seattle WA

International Classification:

H01S 3915

US Classification:

372 89, 4234991, 4234993, 4234994, 4234995

Abstract:

A method and apparatus for removing BHP contaminants (alkali hydroxide and H O ) from a recycled aqueous alkali chloride solution stream before the stream is fed to a chloralkali cell so that the contaminants do not impair the operation of a chloralkali cell. Unwanted alkali hydroxide within the recycled alkali chloride brine solution is reacted with chlorine gas and converted into an alkali chloride, which is useful in the operation of the chloralkali cell, and oxygen gas, which is outgassed from the system. Any H O remaining in the recycled stream after elimination of the alkali hydroxide is reacted with chlorine to form HCl and oxygen gas. The HCl raises the pH of the brine solution, after which the pH may be adjusted by the addition of supplemental alkali hydroxide.

US Patent:

6884337, Apr 26, 2005

Filed:

May 20, 2002

Appl. No.:

10/151610

Inventors:

Peter D. Amdisen - West Hills CA, US
Thomas L. Bunn - Simi Valley CA, US
Alan Z. Ullman - Northridge CA, US

Assignee:

The Boeing Company - Seattle WA

International Classification:

C25B001/30

US Classification:

205466, 205516, 205536, 205620, 423584

Abstract:

A method of generating basic hydrogen peroxide (BHP) fuel for a chemical oxygen-iodine laser (COIL) using stored alkali chloride, typically potassium chloride, and water. The alkali chloride and water are mixed to form a saturated or nearly saturated aqueous salt solution for use as an anolyte feed to a chlor-alkali cell. The chlor-alkali cell generates alkali hydroxide, hydrogen, and chlorine. Water and oxygen are reacted to form peroxide which is combined with the alkali hydroxide from the chlor-alkali cell to form a dilute solution of BHP, a mixture of hydrogen peroxide and alkali hydroxide, which dissociates into OH and OH. The BHP is concentrated and the molar ratio of hydrogen peroxide to alkali hydroxide is adjusted to 1:1 before the BHP is supplied to a COIL apparatus as fuel for the lasing process.

US Patent:

6922429, Jul 26, 2005

Filed:

Mar 29, 2004

Appl. No.:

10/812045

Inventors:

Thomas L. Bunn - Simi Valley CA, US
Stephen C. Hurlock - Simi Valley CA, US
Alan Z. Ullman - Northridge CA, US

Assignee:

The Boeing Company - Seattle WA

International Classification:

H01S003/915

US Classification:

372 89, 372 55, 205466, 204242, 422129, 422234, 422269

Abstract:

A method and apparatus for removing BHP contaminants (alkali hydroxide and HO) from a recycled aqueous alkali chloride solution stream before the stream is fed to a chloralkali cell so that the contaminants do not impair the operation of a chloralkali cell. Unwanted alkali hydroxide within the recycled alkali chloride brine solution is reacted with chlorine gas and converted into an alkali chloride, which is useful in the operation of the chloralkali cell, and oxygen gas, which is outgassed from the system. Any HOremaining in the recycled stream after elimination of the alkali hydroxide is reacted with chlorine to form HCl and oxygen gas. The HCl raises the pH of the brine solution, after which the pH may be adjusted by the addition of supplemental alkali hydroxide.

US Patent:

7025868, Apr 11, 2006

Filed:

Jan 7, 2003

Appl. No.:

10/338648

Inventors:

Thomas L. Bunn - Simi Valley CA, US
Alan Zachary Ullman - Northridge CA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

C25B 1/30
C25D 17/00

US Classification:

205466, 205618, 204252, 204263, 204265, 204266

Abstract:

An electrolytic cell for producing chlorine and basic hydrogen peroxide suitably includes an anode partition and a cathode partition separated by a membrane. The cathode partition is divided into a catholyte compartment and a gas plenum by a gas diffusion cathode. The anode partition electrolyzes alkali chloride received from the laser to produce free chlorine and alkali ions. The catholyte partition reduces oxygen received from the gas plenum through the cathode, and produces alkaline peroxide from the oxidized components combined with alkali ions received through the membrane from the anode partition. The cell is particularly useful in a fuel regeneration system (FRS) for a chemical oxygen iodine laser (COIL).

US Patent:

7195740, Mar 27, 2007

Filed:

Mar 29, 2004

Appl. No.:

10/812048

Inventors:

Thomas L. Bunn - Simi Valley CA, US
Stephen C. Hurlock - Simi Valley CA, US
Alan Z. Ullman - Northridge CA, US

Assignee:

The Boeing Company - Seattle WA

International Classification:

B01J 19/00
C01D 3/14

US Classification:

422129, 4234991

Abstract:

A method and apparatus for removing BHP contaminants (alkali hydroxide and HO) from a recycled aqueous alkali chloride solution stream before the stream is fed to a chloralkali cell so that the contaminants do not impair the operation of a chloralkali cell. Unwanted alkali hydroxide within the recycled alkali chloride brine solution is reacted with chlorine gas and converted into an alkali chloride, which is useful in the operation of the chloralkali cell, and oxygen gas, which is outgassed from the system. Any HOremaining in the recycled stream after elimination of the alkali hydroxide is reacted with chlorine to form HCl and oxygen gas. The HCl raises the pH of the brine solution, after which the pH may be adjusted by the addition of supplemental alkali hydroxide.

US Patent:

7512169, Mar 31, 2009

Filed:

Feb 9, 2007

Appl. No.:

11/673336

Inventors:

Thomas L. Bunn - Simi Valley CA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

H01S 3/095

US Classification:

372 89, 372 3806, 372 4401

Abstract:

A method for producing singlet delta oxygen may include forming a molecular beam of oxygen clusters from oxygen from an oxygen source. The method may also include optically pumping the molecular beam of oxygen clusters to produce singlet delta oxygen.

US Patent:

8377384, Feb 19, 2013

Filed:

Apr 8, 2005

Appl. No.:

11/102385

Inventors:

Thomas L. Bunn - Simi Valley CA, US
Alan Z. Ullman - Northridge CA, US
David Stelman - Thousand Oaks CA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

B01J 19/08

US Classification:

42218604

Abstract:

Methods and apparatus are provided for the generation of hydrogen peroxide from an electrochemical (EC) cell arrangement. One embodiment of the apparatus comprises an EC cell having anode and cathode electrodes with a cation exchange membrane disposed between them to form anode and cathode compartments. An aqueous salt solution is supplied to the anode compartment and water and oxygen are supplied to the cathode compartment. An electric potential applied across the anode and cathode electrodes initiates an electrochemical process that results in the formation of an acid anolyte solution in the anode compartment and an alkaline catholyte solution in the cathode compartment. The anolyte solution and the catholyte solution are combined in a neutralizing chamber to form a neutral aqueous solution comprising hydrogen peroxide, salt, and water. The hydrogen peroxide is separated from the neutral aqueous solution by conventional means.

US Patent:

8405322, Mar 26, 2013

Filed:

Jun 17, 2010

Appl. No.:

12/817581

Inventors:

Thomas L. Bunn - Simi Valley CA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

G03B 17/00
H04N 5/225

US Classification:

315294, 3482171, 348777, 396439

Abstract:

A method and apparatus are present for increasing an intensity of light. Light is sent into an input of a housing in which a vacuum is substantially provided in the housing. The light sent into the input of the housing is converted into initial electrons. Movement of the initial electrons is caused to diverge from an axis through the housing to form diverged electrons. Additional electrons are generated to form an increased number of electrons in response to receiving at least a portion of the diverged electrons. The increased number of electrons is converted into output light that exits an output of the housing.