Anh T Le

US Patent:

6981673, Jan 3, 2006

Filed:

Nov 5, 2004

Appl. No.:

10/985076

Inventors:

Dale A. Sowell - Alexandria VA, US
Anh Le - Montgomery Village MD, US
Eugene C. Fischer - Stevensville MD, US

Assignee:

The United States of America as represented by the Secretary of the Navy - Washington DC

International Classification:

B64C 25/68

US Classification:

244110C

Abstract:

The aircraft landing arrest cable has wear resisting sleeves positioned thereon in spaced relation to each other to thereby hold the cable out of contact with a non-skid landing surface in a lowered position of the cable. Stresses imposed on the cable when engaged by a tail hook suspended from aircraft during landing, are absorbed by the wear resisting sleeves which are held clamped in positions on the cables by fluid adhesive previously injected into the sleeves. The wear resisting sleeves are respectively formed from pivotally connected sleeve sections made of an impact shatter-proof and durable material such as polyurethane with abutting edges held in contact with each other under a clamped condition of the sleeves on the cable, established by the injected adhesive.

US Patent:

55739865, Nov 12, 1996

Filed:

Mar 13, 1996

Appl. No.:

8/615658

Inventors:

Inna G. Talmy - Silver Spring MD
Curtis A. Martin - Germantown MD
Deborah A. Haught - Sterling VA
Anh H. Le - Gaithersburg MD

Assignee:

The United States of America as represented by the Secretary of the Navy - Washington DC

International Classification:

C04B 35584

US Classification:

501 97

Abstract:

A ceramic electromagnetic window made of Si. sub. 3 N. sub. 4 particles which are bonded together by a metal phosphate binder that is an AlPO. sub. 4 binder, a ZrP. sub. 2 O. sub. 7 binder, or mixtures thereof, wherein the Si. sub. 3 N. sub. 4 particles comprise from 55 to 85 volume percent of the ceramic material of the electromagnetic window with the metal phosphate binder comprising the remainder. By substituting Si. sub. 3 N. sub. 4 whiskers for some of the Si. sub. 3 N. sub. 4 particles a discontinuous fiber composite ceramic electromagnetic window is produced. The electromagnetic window may be a simple shape such as a flat or slightly curved sheet or a more complex shape such as a conical or spherical radome.

US Patent:

H8168, Sep 4, 1990

Filed:

Jun 3, 1986

Appl. No.:

6/880524

Inventors:

James H. Carder - Gaithersburg MD
Anh H. Le - Silver Spring MD
Chester M. Dacres - Columbia MD

Assignee:

The United States of America as represented by the Secretary of the Navy - Washington DC

International Classification:

H01M 212

US Classification:

429 86

Abstract:

Stibine is removed from gases generated in antimonial lead-acid batteries by using a filter having carbon powder (especially activated charcoal) as the active agent.

US Patent:

49793969, Dec 25, 1990

Filed:

Feb 23, 1990

Appl. No.:

7/483687

Inventors:

James H. Carder - Gaithersburg MD
Anh Le - Gaithersburg MD

Assignee:

The United States of America as represented by the Secretary of the Navy - Washington DC

International Classification:

G01N 332

US Classification:

73812

Abstract:

A pair of wire specimens supported within a transparent frame established by two sets of pulleys are interconnected between a common powered rotor and a pair of wire tensioning weights protectively enclosed by plastic sheathings. The wire specimens are simultaneously and cyclically displaced along direction changing paths through test medium during a testing operation terminated in response to rupture detected by sensing switches engaged by the weights.