Frank J Zanner

US Patent:

61860727, Feb 13, 2001

Filed:

Feb 22, 1999

Appl. No.:

9/255030

Inventors:

James P. Hickerson - Cedar Crest NM
Frank J. Zanner - Sandia Park NM
Michael D. Baldwin - Albuquerque NM
Michael C. Maguire - Worcester MA

Assignee:

Sandia Corporation - Albuquerque NM

International Classification:

F42B 3000
F42B 3008

US Classification:

102518

Abstract:

The present invention is a monolithic ballasted penetrator capable of delivering a working payload to a hardened target, such as reinforced concrete. The invention includes a ballast made from a dense heavy material insert and a monolithic case extending along an axis and consisting of a high-strength steel alloy. The case includes a nose end containing a hollow portion in which the ballast is nearly completely surrounded so that no movement of the ballast relative to the case is possible during impact with a hard target. The case is cast around the ballast, joining the two parts together. The ballast may contain concentric grooves or protrusions that improve joint strength between the case and ballast. The case further includes a second hollow portion; between the ballast and base, which has a payload fastened within this portion. The penetrator can be used to carry instrumentation to measure the geologic character of the earth, or properties of arctic ice, as they pass through it.

US Patent:

55474845, Aug 20, 1996

Filed:

Mar 18, 1994

Appl. No.:

8/210791

Inventors:

Paul T. Vianco - Albuquerque NM
Robert W. Fisher - Albuquerque NM
Floyd M. Hosking - Albuquerque NM
Frank J. Zanner - Sandia Park NM

Assignee:

Sandia Corporation - Albuquerque NM

International Classification:

C03C 2900

US Classification:

65 42

Abstract:

A process for the fabrication of a rapidly solidified foil laminate composite. An amorphous metallic glass foil is flux treated and coated with solder. Before solidification of the solder the foil is collected on a take-up spool which forms the composite into a solid annular configuration. The resulting composite exhibits high strength, resiliency and favorable magnetic and electrical properties associated with amorphous materials. The composite also exhibits bonding strength between the foil layers which significantly exceeds the bulk strength of the solder alone.

US Patent:

53316614, Jul 19, 1994

Filed:

Feb 27, 1992

Appl. No.:

7/843870

Inventors:

Michael C. Maguire - Tijeras NM
Frank J. Zanner - Sandia Park NM
Brian K. Damkroger - Albuquerque NM
Mark E. Miszkiel - Tijeras NM
Eugene A. Aronson - Albuquerque NM

Assignee:

Sandia Corporation - Albuquerque NM

International Classification:

H05B 7156

US Classification:

373105

Abstract:

Method and apparatus for controlling electrode immersion depth in an electroslag remelting furnace. The phase difference of the alternating current circuit established in the furnace is calculated in real time and employed to more accurately control immersion depth than possible with voltage-swing systems.

US Patent:

57086770, Jan 13, 1998

Filed:

Apr 21, 1995

Appl. No.:

8/426545

Inventors:

Rodney L. Williamson - Albuquerque NM
Frank J. Zanner - Sandia Park NM
Stephen M. Grose - Glenwood WV

Assignee:

Sandia Corporation - Albuquerque NM

International Classification:

H05B 7148

US Classification:

373 70

Abstract:

The electrode gap of a VAR is monitored by determining the skewness of a distribution of gap voltage measurements. A decrease in skewness indicates an increase in gap and may be used to control the gap.

US Patent:

53735293, Dec 13, 1994

Filed:

Feb 27, 1992

Appl. No.:

7/843871

Inventors:

Frank J. Zanner - Sandia Park NM
Rodney L. Williamson - Albuquerque NM
Mark F. Smith - Albuquerque NM

Assignee:

Sandia Corporation - Albuquerque NM

International Classification:

F27D 1700

US Classification:

373 56

Abstract:

The invention relates to improved apparatuses and methods for remelting metal alloys in furnaces, particularly consumable electrode vacuum arc furnaces. Excited reactive gas is injected into a stationary furnace arc zone, thus accelerating the reduction reactions which purify the metal being melted. Additionally, a cooled condensation surface is disposed within the furnace to reduce the partial pressure of water in the furnace, which also fosters the reduction reactions which result in a purer produced ingot. Methods and means are provided for maintaining the stationary arc zone, thereby reducing the opportunity for contaminants evaporated from the arc zone to be reintroduced into the produced ingot.

US Patent:

56217510, Apr 15, 1997

Filed:

Apr 21, 1995

Appl. No.:

8/426532

Inventors:

Rodney L. Williamson - Albuquerque NM
Frank J. Zanner - Sandia Park NM
Stephen M. Grose - Glenwood WV

Assignee:

Sandia Corporation - Albuquerque NM

International Classification:

H05B 7148

US Classification:

373 70

Abstract:

An apparatus and method for controlling electrode gap in a vacuum arc remelting furnace, particularly at low melting currents. Spectrographic analysis is performed of the metal vapor plasma, from which estimates of electrode gap are derived.

US Patent:

45787956, Mar 25, 1986

Filed:

Dec 28, 1982

Appl. No.:

6/453977

Inventors:

Robert W. Fisher - Albuquerque NM
James P. Maroone - Albuquerque NM
Donald W. Tipping - Albuquerque NM
Frank J. Zanner - Sandia Park NM

Assignee:

The United States of America as represented by the United States
Department of Energy - Washington DC

International Classification:

H05B 7148

US Classification:

373 70

Abstract:

During vacuum consumable arc remelting the electrode gap between a consumable electrode and a pool of molten metal is difficult to control. The present invention monitors drop shorts by detecting a decrease in the voltage between the consumable electrode and molten pool. The drop shorts and their associated voltage reductions occur as repetitive pulses which are closely correlated to the electrode gap. Thus, the method and apparatus of the present invention controls electrode gap based upon drop shorts detected from the monitored anode-cathode voltage. The number of drop shorts are accumulated, and each time the number of drop shorts reach a predetermined number, the average period between drop shorts is calculated from this predetermined number and the time in which this number is accumulated. This average drop short period is used in a drop short period electrode gap model which determines the actual electrode gap from the drop short. The actual electrode gap is then compared with a desired electrode gap which is selected to produce optimum operating conditions and the velocity of the consumable error is varied based upon the gap error.