| Patent Number |
Title Of Patent |
Date Issued |
| D248639 |
Front panel unit for a bus |
July 25, 1978 |
|
| D248033 |
Bus |
May 30, 1978 |
|
| D244731 |
Bus seat |
June 21, 1977 |
|
| 5225016 |
Method of manufacturing an advanced composite duct having integral ribs |
July 6, 1993 |
| A method of making ducts having outwardly extending ribs formed integrally with the duct structure. Two tubes are formed from fiber reinforced resin materials, a uniform inner tube and a ribbed outer tube, then the inner tube is bonded with in the outer tube to form a high strength ribbe |
| 5117630 |
Pivoting door thrust reverser |
June 2, 1992 |
| A pivot door type aircraft turbine engine thrust reverser which includes a pair of pivoting panels on the inner side of the door. The panels are positioned alongside the door actuation mechanism. The panels form a flush surface along the fan duct flow path when stowed during normal engin |
| 5116689 |
Apparatus and method for selectively increasing density and thermal conductivity of honeycomb st |
May 26, 1992 |
| A locally reinforced honeycomb core panel having a honeycomb core, at least one coiled insert in at least one honeycomb cell and at least one face sheet. These components are formed from high temperature resistant metals. Elongated foil strips are coiled into cylindrical shapes having di |
| 5101621 |
Integrated corner for ducted fan engine shrouds |
April 7, 1992 |
| An engine shroud with integral honeycomb panel corners for use in the thrust reverser region of ducted fan gas turbine engines. The integral shroud is useful in a turbine engine having a core engine surrounded by an engine casing and nacelle, with a fan at the inlet directing air flow in |
| 5083426 |
Integrated engine shroud for gas turbine engines |
January 28, 1992 |
| An integral "C" duct for the thrust reverser region of ducted fan gas turbine engines. The integral duct is useful in a turbine engine having a core engine surrounded by an engine casing and nacelle, with a fan at the inlet directing air flow into the bypass duct between core engine and |
| 5066450 |
Method for making preformed maskant sheets |
November 19, 1991 |
| A method and apparatus for making a preformed maskant sheet having a plurality of perforations corresponding to a pattern of perforations desired in a structure. A shaping surface is prepared on a sheet having the contours of the structure to be perforated. The surface is perforated |
| 5054281 |
Gas turbine engine compartment vent system |
October 8, 1991 |
| A system for selectively venting cool bypass duct air into selected locations between a gas turbine engine and the engine shroud. The venting system is useful in a turbine engine having a core engine surrounded by an engine casing and nacelle, with a fan at the inlet directing air flow i |
| 5041528 |
New dimer for synthesis of high performance polymer matrix composites |
August 20, 1991 |
| An improved synthesis for PMR-type polyimides, including first preparing a dimer of 5-norbornene-2,3-dicarboxylic acid, or acid ester or anhydride and 4,4'methylenedianiline. This dimer is then reacted with the reaction product of the dimethyl ester (or dianhydride) of 3,3', 4,4'-ben |
| 5041527 |
Dimer for synthesis of high performance polymer matrix composites |
August 20, 1991 |
| An improved synthesis for PMR-type polyimides, including first preparing a dimer of 5-norbornene-2,3-dicarboxylic acid, or acid ester or anhydride and 4,4'-methylenedianiline. This dimer is then reacted with the dimethyl ester of 3,3',4,4'-benzophenonetetracarboxylic acid and 4,4'-me |
| 5041526 |
Dimer for synthesis of high performance polymer matrix composites |
August 20, 1991 |
| An improved synthesis for PMR-type polyimides, including first preparing a dimer of 5-norbornene-2,3-dicarboxylic acid, or acid ester or anhydride and 4,4'methylene dianiline. This dimer is then reacted with one of the following:1. the reaction product of a primary aromatic diamine and a |
| 5041323 |
Honeycomb noise attenuation structure |
August 20, 1991 |
| A double layer structural honeycomb sandwich noise suppression panel for use in severe environments such as aircraft turbine engine housings. Two honeycomb core sheets having multiple cells transverse to the sheets are sandwiched around and bonded to a septum sheet consisting of a wire c |
| 5035133 |
Method and apparatus for hot die draw forming metal sheets |
July 30, 1991 |
| A method and apparatus for draw forming a metal sheet over a male form to produce a three-dimensional shape. A sheet of metal is clamped between upper and lower draw plates positioned above the male form. The upper plate has an edge conforming to the male form shape. The plates and sheet |
| 5016805 |
Method and apparatus for dual superplastic forming of metal sheets |
May 21, 1991 |
| A pair of sheets of a metal capable of exhibiting superplasticity, such as Titanium, are placed in overlapping relationship and the peripheral edges of the sheets are joined, such as by welding, to provide a gas impervious seal. The joined metal sheets are lowered into a press so that th |
| 5013613 |
Reinforcing rings for honeycomb panels and method and apparatus for making them |
May 7, 1991 |
| A ring insert for locally reinforcing a panel having a honeycomb core and at least one face sheet. The ring insert has at least two adjacent corrugated foil strips wound with the surface of the strips (and the corrugations) lying substantially perpendicular to the ring axis. The corr |
| 4998409 |
Thrust reverser torque ring |
March 12, 1991 |
| A thrust ring assembly for use in a thrust reverser system for a gas turbine engine. The ring assembly is useful in a turbine engine having a core engine surrounded by an engine casing and nacelle, with a fan at the inlet directing air flow into the bypass duct between core engine and |
| 4990391 |
Reticulated core to perforate sheet bonding and galvanic barrier |
February 5, 1991 |
| The invention is directed a laminate structure using a reticulated adhesive material positioned between the honeycomb core and a perforate sheet and a precured reticulated adhesive between the perforated sheet and an outer layer of wire screen or other porous fibrous materials with simil |
| 4988037 |
Method and apparatus for superplastic forming and diffusion bonding of hollow parts |
January 29, 1991 |
| A method and apparatus for superplastic forming and diffusion bonding of hollow metal parts. A forming assembly is prepared by surrounding a hollow tool (typically having a frusto-conical exterior) with a part blank having a corresponding shape, attaching parts, such as rings, to the ext |
| 4984732 |
Method of superplastically forming and diffusion bonding a laminate assembly |
January 15, 1991 |
| A method is provided for achieving predetermined thickness requirements throughout a superplastically formed structure having extreme contours. A laminate assembly of sheets of a metal capable of exhibiting superplasticity, such as titanium alloy, is formed by a combination of superp |
| 4984348 |
Superplastic drape forming |
January 15, 1991 |
| An improved method of superplastic forming comprises the steps of selecting a relatively larger driver sheet and a relatively smaller part blank, both being made of Titanium, Titanium alloy or other metal capable of exhibiting superplasticity. A ceramic die is placed on a bottom wall of |
| 4937101 |
Prereacted inhibitor powder for carbon-carbon composites |
June 26, 1990 |
| The disclosure relates to a method of forming carbon-carbon composites wherein prereaction of the filler ingredients takes place prior to the prepregging operation, thereby ensuring that the sealant phase is both homogeneous and unsegregated on a microscopic scale. Composites prepared |
| 4925740 |
Hollow metal sphere filled stabilized skin structures and method of making |
May 15, 1990 |
| A high strength, light weight stabilized skin structure having spaced skin sheets and a plurality of hollow metal spheres filling the space between the skins. The spheres and skins are bonded together, resulting in a unitary structure. The spheres typically have outside diameters of from |
| 4918281 |
Method of manufacturing lightweight thermo-barrier material |
April 17, 1990 |
| A method of manufacturing thermal barrier structures comprising at least three inner dimpled cores separated by flat plate material and having outer surfaces of the flat plate material, all elements being joined together by liquid interface diffusion (LID) bonding. |
| 4894286 |
Oxidation resistant refractory coated carbon-carbon composites |
January 16, 1990 |
| An oxygen resistant high temperature composite structure comprises a carbonous matrix and reinforcing high temperature fibers disposed within said matrix, an outer refractory coating covering said matrix, boron, in elemental form and/or as a moiety of a compound dispersed throughout said |
| 4889276 |
Method and apparatus for forming and bonding metal assemblies |
December 26, 1989 |
| A method and apparatus for forming and bonding metal assemblies using an internally heated chamber. The parts can be both superplastic formed and diffusion bonded to other parts. A closable chamber contains a heating element near the chamber center. A ceramic die at least partially s |
| 4869761 |
Filament winding process |
September 26, 1989 |
| A filament winding payoff unit and process for applying strands of adhesive impregnated filament material arranged into a gap-free band to a rotating mandrel. A plurality of side-by-side slightly overlapped impregnated filament strands are passed over bars between tines of combs for |
| 4869421 |
Method of jointing titanium aluminide structures |
September 26, 1989 |
| A method of diffusion brazing two or more titanium alloy metal parts, such as sheets, thick sections or a honeycomb core to one or two face sheets, to form a unitary panel. A low melting copper-nickel layer is interposed between the faying surfaces of two parts to be bonded. The layer ma |
| 4850116 |
Electronic tattle tale |
July 25, 1989 |
| An electronic indicator comprising a first portion attached at one end to an object to be controllably stretched or elongated and a second portion slideably connected to the first portion for relative movement therewith and connected at one end remote from the object attachment of the fi |
| 4843205 |
Resistance weld joining of high electrical conductivity copper foil |
June 27, 1989 |
| Apparatus and method for welding high electrically conductive metal and metal alloys. High thermal and high electrical conductive metals such as, for example copper foil and the like, normally unweldable by resistance welding means due to their physical makeup, can now be welded in a |
| 4829724 |
Cutting abrasive feeder, demand type |
May 16, 1989 |
| The invention is directed to an improved hopper for feeding abrasive material of very small grit size to a cutting head. The device comprises an open hopper vertically disposed with a transverse positioned pick-up tube located in the lower portion of the hopper. The pick-up tube has a |
| 4822444 |
Filament winding mechanism for forming and winding a shingled gap free band |
April 18, 1989 |
| A filament winding payoff head unit and process for applying strands of adhesive impregnated filament material arranged into a gap-free band to a rotating mandrel. A plurality of side-by-side slightly overlapped impregnated filament strands are passed over bars between tines of combs |
| 4801070 |
Engine duct and case construction |
January 31, 1989 |
| A method of producing a reinforced duct structure for use with turbo-fan aircraft engines and the like. The duct is first cut from a flat metal sheet in a predetermined pattern. The sheet is rolled to form a tubular or conic structure of the approximate desired configuration and welded a |
| 4780159 |
Method of laminating multi-layer noise suppression structures |
October 25, 1988 |
| A method of laminating a porous overlay material to a perforated plate with a dry film adhesive which does not block perforations or pores in the two components. A lay-up is preferably prepared by assembling in order on a vacuum platen a porous peel ply sheet, a sheet of dry film adhesiv |
| 4778110 |
Modular composite cascade assembly |
October 18, 1988 |
| A cascade assembly for directing the gases externally of a jet aircraft engine in a forwardly direction when the engine is in a gas reversing mode. The cascade assembly comprises a plurality of cascade panel sections positioned in a side by side relationship over an opening in the engine |
| 4749150 |
Turbofan duct with noise suppression and boundary layer control |
June 7, 1988 |
| A boundary layer control device is installed in the acoustically treated inlet duct of a turbofan engine. The device sucks off the turbulent boundary layer of air flowing over the inner or "air wetted" surface of the inlet during aircraft take-off, cruise and approach. The lip of the |
| 4743740 |
Buried element deicer |
May 10, 1988 |
| A perforated flat ribbon heating element embedded or sandwiched between the porous material and perforated sheet of honeycomb acoustic panel material used for sound suppression and deicing on ice buildup areas of an aircraft engine. |
| 4715525 |
Method of bonding columbium to titanium and titanium based alloys using low bonding pressures an |
December 29, 1987 |
| The disclosure relates to a method of joining titanium and titanium based alloys to columbium at low pressure and low temperature, wherein a titanium foil is electroplated with layers of copper and nickel with a columbium sheet then being placed in intimate contact with the exposed l |
| 4712831 |
Jaw alignment pin for a stretch jaw chuck |
December 15, 1987 |
| A pin assembly for removably attaching a jaw portion of a translatable jaw of a stretch jaw chuck through an elongated slotted opening in the chuck wall. A bushing is threaded into mating threads in a bore in the jaw portion. The bushing has a centrally positioned substantially rectangul |
| 4706872 |
Method of bonding columbium to nickel and nickel based alloys using low bonding pressures and te |
November 17, 1987 |
| The disclosure relates to a method of joining nickel and nickel based alloys to columbium at low pressure and low temperature, wherein a thin titanium brazing foil is provided, with or without a copper coating electroplated thereon. The layers or foils of the metals to be joined are |
| 4705207 |
Method of brazing columbium to itself using low bonding pressures and temperatures |
November 10, 1987 |
| The disclosure relates to a method of bonding columbium to columbium wherein a brazing foil of titanium which has been coated with either a layer of copper or a layer of nickel or layers of copper and then nickel, preferably on both sides of the foil, is disposed between the columbium |
| 4688745 |
Swirl anti-ice system |
August 25, 1987 |
| A system for circulating heated gases within the circular leading edge of a jet engine housing to prevent ice build-up thereon, or to remove accumulated ice thereform. Hot gases such as air from a hot, high pressure section of the jet-engine are directed through a conduit. The conduit |
| 4671841 |
Method of making an acoustic panel with a triaxial open-weave face sheet |
June 9, 1987 |
| A method of producing an open, triaxial woven, acoustic face sheet useful in acoustic energy absorbing panels for aircraft engines or the like. The composite face sheet is formed from carbon fibers in an epoxy resin matrix and has about 25 to 33% open area. This face sheet has lower weig |
| 4642436 |
Automatic metallic honeycomb core manufacturing machine |
February 10, 1987 |
| A honeycomb core manufacturing machine which includes a mainframe assembly and a transport assembly carried by and translatable along the mainframe assembly. The mainframe assembly comprises vertical and horizontal translatable upper and lower weld electrode assemblies. The transport |
| 4629146 |
Hold open rod for hinged section of nacelle system |
December 16, 1986 |
| A hold open rod for holding open a hinged section of a nacelle system for maintenance. The rod includes a tubular member connected to the hinged section and a rod which telescopes within the tubular member and which is connected to the engine contained within the nacelle system. The hold |
| 4612737 |
Grit blast drilling of advanced composite perforated sheet |
September 23, 1986 |
| A method and resulting product produced by attaching a prepared maskant of a desired perforation pattern to cured compound contoured or flat advanced composite materials, directing a narrow stream of highly abrasive grit material of a selected particle size range through a relatively lar |
| 4545199 |
Fan cascade reverser having dual blocker doors |
October 8, 1985 |
| A thrust reversing system for controlling the fan gases from a thrust producing aircraft engine. The system comprises a first group of blocker doors surrounding the upper longitudinal portion of the engine fan duct; a second group of blocker doors positioned rearward of the first group |
| 4541879 |
Method of manufacture of noise suppression panel |
September 17, 1985 |
| A noise suppression panel having a first cellular core positioned between and bonded to an imperforate facing sheet on one surface thereof and a first sheet of microporous material on the other surface. A second core is bonded between the other surface of the first sheet of microporous |
| 4539244 |
Honeycomb noise attenuation structure |
September 3, 1985 |
| Broad band noise attenuation sandwich panels utilizing a cellular core positioned between and bonded to two facing sheets by an adhesive bonding system. One facing sheet is perforated and the other imperforate. A thin sheet of porous fibrous felt or fabric is bonded to the outer surface |
