Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 5664413 | Dual pilot ring for a gas turbine engine A gas turbine engine having a compressor rotor and turbine rotor in back-to-back relation and annular groove therebetween. A nonrotating seal is disposed in the groove. A dual pilot ring is disposed at the radial inner end of the groove. The dual pilot ri... | 09/09/1997 |
| 5639096 | Oil film cooled face seal Disclosed is an oil film cooled face seal that is comprised of an annular stator having a flat surface in rubbing contact with the flat sealing surface of a rotor. The rotor has a flange portion extending radially from a base portion. The base portion has... | 06/17/1997 |
| 5628193 | Combustor-to-turbine transition assembly A transition assembly for directing the gas flow from a combustor to an axial turbine includes a transition liner having a shroud disposed about its outer surface and abutting thereto at a plurality of points to defining a plurality of cooling air passage... | 05/13/1997 |
| 5626347 | Coning resistant face seal having a "U" shape A face seal comprising an annular carbon stator having a flat sealing surface in rubbing contact with a flat sealing surface of an annular metallic rotor. The rotor has a head portion connected to a base portion by a neck portion, that is disposed on the ... | 05/06/1997 |
| 5624721 | Method of producing a superalloy article A thermal barrier coating for superalloy turbine engine vanes and blades that are exposed to high temperature gas is disclosed. The coating includes a ceramic layer applied to an aluminide or MCrAlY bond coat by electron beam physical vapor deposition. Th... | 04/29/1997 |
| 5618162 | Centrifugal compressor hub containment assembly To contain high energy fragments generated by a hub burst, a compressor containment assembly in a gas turbine engine includes a diffuser housing having an arcuate portion that defines a channel which traps the high energy fragments and an axial facing U-s... | 04/08/1997 |
| 5613830 | Centrifugal compressor hub containment assembly To contain high energy fragments generated by a hub burst, a compressor containment assembly in a gas turbine engine includes a diffuser housing having an arcuate portion that defines a channel which traps the high energy fragments and an axial facing U-s... | 03/25/1997 |
| 5610332 | Self piloting balance arbor A self piloting balance arbor for use in the dynamic balancing of gas turbine engine components having shafts extending therefrom. The arbor includes a cylindrical sleeve for receiving the shaft, and an annular flange at one end. A conical compliant membe... | 03/11/1997 |
| 5601406 | Centrifugal compressor hub containment assembly To contain high energy fragments generated by a hub burst, a compressor containment assembly in a gas turbine engine includes a diffuser housing having an arch portion that defines a channel which traps the high energy fragments and an axial facing U-shap... | 02/11/1997 |
| 5601399 | Internally cooled gas turbine vane A gas turbine vane or blade having a novel internal structure that allows for cooling under low pressure ratios. The vane has an air inlet passage that communicates with an inner cooling cavity positioned between the air passage and the vane's trailing ed... | 02/11/1997 |
| 5562998 | Durable thermal barrier coating A thermal barrier coating for superalloy turbine engine vanes and blades that are exposed to high temperature gas is disclosed. The coating includes an Aluminide or MCrAlY layer, an alumina layer, and a ceramic top layer. The ceramic layer has a columnar ... | 10/08/1996 |
| 5558500 | Elastomeric seal for axial dovetail rotor blades A rotor assembly for a gas turbine engine has a disc with dovetail grooves and a plurality of blades with dovetail roots contoured to be received within the grooves. The inner surface of a flexible, high temperature, low compression set seal is bonded to ... | 09/24/1996 |
| 5544896 | Composite face seal A face seal includes an annular carbon stator having a flat surface in rubbing contact with the flat surface of a composite annular rotor. The annular rotor has a head portion and a base portion. Embedded in the head portion are high thermal conductivity ... | 08/13/1996 |
| 5538258 | Oil seal for a high speed rotating shaft An improved oil seal is provided for sealing passage of rotatable shaft through an end wall of a bearing housing in a turbomachine or the like, wherein the shaft is rotatably supported within the bearing housing by oil-lubricated bearings. The improved oi... | 07/23/1996 |
| 5522337 | Underwater vehicle inflatable housing configuration and method An underwater vehicle has a generally longitudinally extending housing terminating in at least one blunt end. Adjacent to and inboard of the blunt end of the longitudinally extended housing there is provided a compartment, and disposed in the compartment ... | 06/04/1996 |
| 5514482 | Thermal barrier coating system for superalloy components An improvement in a thermal barrier coating for superalloy turbine engine components subjected to high operating temperatures, such as turbine airfoils, e.g., vanes and blades, is disclosed which eliminates the expensive MCrAlY oxidation resistant bond co... | 05/07/1996 |
| 5512382 | Porous thermal barrier coating A thermal barrier coating for superalloy turbine engine vanes and blades that are exposed to high temperature gas is disclosed. The coating includes a ceramic layer applied to an Aluminide or MCrAlY bond coat by electron beam physical vapor deposition. Th... | 04/30/1996 |
| 5490645 | Fully integrated environmental and secondary power system An aircraft subsystem provides the aircraft with all its electrical and conditioned air requirements without requiring the extraction of either shaft power and/or pressurized air from the aircraft's main engines. At the core of this subsystem are two rota... | 02/13/1996 |
| 5489190 | Dynamic oil scavenge system An oil scavenge assembly for small gas turbine engine. The assembly includes a rolling element bearing, for supporting a rotating shaft, slip fit within a bearing liner. The bearing liner has a plurality of helical grooves along its surface. A plurality o... | 02/06/1996 |
| 5472329 | Gerotor pump with ceramic ring A gerotor pump having reduced drag torque at low temperatures is disclosed. The pump includes a shaft journalled in the housing. Mounted on the shaft are a pair of axially space metallic port plates and disposed therebetween are metallic interior and exte... | 12/05/1995 |
| 5450892 | Alkaline scrubber for condensate stripper off-gases This invention relates to an alkaline scrubber for condensate stripper off-gases. In particular, this invention relates a process for selectively removing hydrogen sulfide and methyl mercaptan from a gas stream containing these compounds and methanol. Suc... | 09/19/1995 |
| 5450719 | Gas turbine engine rear magnetic or foil bearing cooling using exhaust eductor An exhaust housing having an eductor is provided. The eductor includes an outer annular casing circumscribing an inner annular casing to define a flow path therebetween for receiving the exhaust gas from the turbine section of an engine. A plurality of st... | 09/19/1995 |
| 5415336 | Method for preparing a composite surface for diffusion bonding A method for preparing a machined surface of a composite article for diffusion bonding is provided. The method includes removing most of the exposed fibers by shot peening followed by acid etching. The acid etch may be followed by grit blasting and then a... | 05/16/1995 |
| 5411368 | Ceramic-to-metal stator vane assembly with braze A stator vane assembly for a gas turbine engine that includes a plurality of circumferentially spaced ceramic vanes, each of which has an inner and outer ceramic shroud, and a ceramic post extending from one of the shrouds, and a metallic platform having ... | 05/02/1995 |
| 5408821 | Multifunction secondary power system starting method A multifunction secondary power system (10) for use aboard an aircraft or other vehicle provides the functions both of an auxiliary power unit and of an emergency power unit. The power system (10) includes two turbine engines (12, 22) operable under diffe... | 04/25/1995 |
| 5385011 | Multifunction integrated power unit A multifunction integrated power unit (MIPU) for use aboard aircraft provides the functions both of an auxiliary power unit and of an emergency power unit while being smaller, lighter, and less expensive than the two units it replaces. Additionally, the i... | 01/31/1995 |
| 5373983 | Composite article having a surface prepared for diffusion bonding A composite article is manufactured by preparing a machined surface of the composite article for diffusion bonding. The method includes removing most of the exposed fibers by shot peening followed by acid etching. The acid etch may be followed by grit bla... | 12/20/1994 |
| 5290143 | Bicast vane and shroud rings A bicast vane and shroud rings is provided in which thermal stresses are minimized. The vane has a flange portion along its inner and outer edge. These flange portions extend from the mid-chord of the vane part way towards the leading and trailing edges a... | 03/01/1994 |
| 5265408 | Exhaust eductor cooling system A method and apparatus for cooling the heat generated by a gas turbine engine mounted in a compartment is provided. The apparatus comprises a novel eductor that incorporates a mixer nozzle to entrain sufficient air flow through the compartment to provide ... | 11/30/1993 |
