Owner at Bremco Construction, Inc., President at Bremco Construction, Inc
Location:
Greater Los Angeles Area
Industry:
Construction
Work:
Bremco Construction, Inc.
since Jan 2006
-
OwnerBremco Construction, Inc - Long Beach, CA since Jan 2003
-
PresidentThe Austin Company - Atlanta, GA Jan 2000 - Dec 2003
-
General ManagerThe Austin Company - Irvine Sep 1993 - Dec 1999
-
Sr Project ManagerMcDonnell Douglas - Long Beach Sep 1985 - Sep 1993
-
Project Manager/Manager of Construction Management Group
Education:
The University of Texas at Austin 1984 - 1985
Masters of Engineering, Construction ManagementUniversity of Maryland College Park 1979 - 1984
BSCE, Structural
Kool SmilesKool Smiles Medicaid Verification SpecialistKool Smiles Quality Assurance RepresentativeKool Smiles Patient Service RepresentativeLead Patient Service RepresentativePublix - Atlanta, GA CashierConvergy's - St. Louis, MO Call Center Agent
Education:
Kennesaw State University Bachelors of Business Administration in Accounting
Detection Apparatus For Structural Failure In Aircraft Employing Piezoelectric Transducers
US Patent:
3956731, May 11, 1976
Filed:
Sep 27, 1974
Appl. No.:
5/509915
Inventors:
William H. Lewis - Atlanta GA
Assignee:
Lockheed Aircraft Corporation - Burbank CA
International Classification:
G08G 500
US Classification:
340 27R
Abstract:
The strain energy that is released when a structural member fails is emitted, among other ways as a broad frequency acoustic emission which is detected by a piezoelectric crystal sized for a preselected natural frequency. This piezoelectric crystal converts the acoustic energy into an electronic signal which is filtered to permit passage of only predetermined frequencies. The filtered signals are then passed through a device which matches the line impedance. A differential amplifier provides signal amplification, and rejects noise, in the received signals which are then passed through a level detector, preset to only allow passage of predetermined signals which in turn trigger a latch for a light emitting diode indicating that a structural failure has occurred.
A built-in tester allows for a periodic check to be made to insure system operation. An amplified signal is oscillated causing the piezoelectric crystals to respond as if they detected an acoustic response from a structural failure which triggers the light emitting diode if the system is functioning properly.