Stuart F Walker
Accountancy at Louthan St, Littleton, CO

License number
Colorado 9722
Issued Date
Dec 8, 1985
Renew Date
Dec 1, 2015
Expiration Date
Nov 30, 2017
Type
Certified Public Accountant
Address
Address
7762 S Louthan St, Littleton, CO
LicenseFiles verified this license of Dec 9, 2016 at the Colorado - Department of Regulatory Agencies.

Organization information

See more information about Stuart F Walker at bizstanding.com

Stuart F Walker CPA, LLC

7762 S Louthan St, Littleton, CO 80120

Registration:
Jul 6, 2015
State ID:
20151440494
Business type:
Limited Liability Company
Expiration:
Perpetual
Agent:
Stuart F Walker,7762 S Louthan St, Littleton, CO 80120 (Physical)

Professional information

Stuart Walker Photo 1

Contracting Consultant At Deep Space Systems Inc.
Position:
Contracting Consultant at Deep Space Systems Inc., Principal Consultant at Dakota Ridge Technologies LLC
Location:
Greater Denver Area
Industry:
Aviation & Aerospace
Work:
Deep Space Systems Inc. - Littleton, CO since 2011 - Contracting Consultant Dakota Ridge Technologies LLC since Jun 2009 - Principal Consultant Ball Aerospace Aug 2000 - Jun 2009 - Project Manager/Avionics Manager Ball Aerospace 2000 - 2009 - Project Manager Lockheed Martin Space Systems Company Aug 1983 - Aug 2000 - Project Manager
Education:
The University of South Dakota 1979 - 1983
BSEET, Elec. Eng, Chem. Math. Webster Unibersity
Skills:
Systems Engineering, Electrical Engineering, Engineering Management, Spacecraft, Space Systems
Interests:
New technology development; Solar Power, Wireless Power Transmission, Aerospace technology development in power systems cabling, systems engineering, launch vehcles and flight termination systems in addition to other areas. Designed a 100MW central power station using Photovoltaic Concentrator modules.
Honor & Awards:
Multiple NASA and industry recognition awards. Patented circuit onboard the Mars Phoenix Lander (6,211,650). Operational on the surface of Mars as of May 25th, 2008. Published: Mars Global Surveyor Power System - 1996, Wireless Power Transmission Feasibility Study for Lunar Applications - 2008.

Stuart Walker Photo 2

Battery Cell By-Pass Circuit

US Patent:
6211650, Apr 3, 2001
Filed:
Jan 12, 2000
Appl. No.:
9/482150
Inventors:
Susan J. Mumaw - Littleton CO
Jeffrey Evers - Parker CO
Calvin L. Craig - Parker CO
Stuart D. Walker - Littleton CO
Assignee:
Lockheed Martin Corporation - Bethesda MD
International Classification:
H02J 700
US Classification:
320122
Abstract:
The invention is a circuit and method of limiting the charging voltage applied to an individual cell of a plurality of cells making up a battery being charged in series. It is particularly designed for use with batteries that can be damaged by overcharging, such as Lithium-ion type batteries. In detail, the method includes the following steps: sensing the actual voltage level of the individual cell; comparing the actual voltage level of the individual cell with a specific voltage level and providing an error signal representative thereof; and by-passing the charging current around the individual cell necessary to keep the individual cell voltage level generally equal to the specific voltage level while continuing to charge the remaining cells. Preferably this is accomplished by by-passing the charging current around the individual cell if said actual voltage level is above the specific voltage level and allowing the charging current to the individual cell if the actual voltage level is equal or less than the specific voltage level. In the step of bypassing the charging current the current is accomplished by dissipating the by-passed current as heat.

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