Bizarre Patents
Hands free towel carrying system
A hands free towel carrying system for coupling a towel to a user to prevent loss, theft or contamination.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7299635 | Device for mixing two flows of fluid which are initially guided separate from one another in a bypass jet engine The invention relates to a device for mixing two fluid flows, initially guided separately from one another, in a two-circuit reaction engine, a mixing tube which encloses a hot core stream being provided, along the outer shaped lateral surface of which a cold bypass... | 11/27/2007 |
| 7293401 | Jet engine noise suppressor An embodiment of the invention is a technique to suppress noise in a jet engine. A noise suppressor includes an exhaust duct to exhaust a first stream from an air stream taken from an inlet. The exhaust duct has an exit end. The air stream is divided into the first ... | 11/13/2007 |
| 7264203 | Spider actuated thrust reverser A thrust reverser includes reverser doors circumferentially spaced around a nacelle. An arcuate yoke is disposed coaxially around the nacelle. An actuator is mounted tangentially to the yoke for rotary movement thereof. Actuator rods join the doors to the yoke for s... | 09/04/2007 |
| 7174718 | Device for controlling propulsive jet mixing for aircraft jet engines A device for controlling propulsive gas mixing at an outlet of an aircraft jet engine, wherein propulsive jets are composed of a hot primary jet exiting from a nozzle of the jet engine and a secondary flux flowing between an external wall of the nozzle and an intern... | 02/13/2007 |
| 7159383 | Apparatus, method and system for gas turbine engine noise reduction An apparatus for reducing gas turbine engine noise, such as noise generated by an aircraft gas turbine engine, comprises at least one and preferably a plurality of gas injectors for injecting gas such as high pressure engine bleed air, diverted core air, air obtaine... | 01/09/2007 |
| 7152410 | System and method for dumping surge flow into eductor primary nozzle for free turbine A method and apparatus for dumping surge bleed air into a primary nozzle of a free gas turbine engine. The surge bleed air is introduced into gas turbine exhaust flow within the primary nozzle to create a mixed flow which may be used as a combined driver flow to com... | 12/26/2006 |
| 7055329 | Method and apparatus for noise attenuation for gas turbine engines using at least one synthetic jet actuator for injecting air A method enables a gas turbine engine to be operated. The method comprises channeling exhaust gases from a core engine through an exhaust assembly and past at least one flow boundary surface, and selectively operating a noise suppression system extending from the at... | 06/06/2006 |
| 7010905 | Ventilated confluent exhaust nozzle An exhaust nozzle includes an outer duct surrounding an inner duct. The inner duct includes a main outlet, and a row of apertures spaced upstream therefrom. The outer duct includes a row of intakes at a forward end, an auxiliary outlet at an aft end, and surrounds t... | 03/14/2006 |
| 7007454 | Locking system on a cascade thrust reverser The invention provides a locking system on a cascade thrust reverser for a bypass turbojet, the reverser (20) comprising guide means (60) for the movable parts (50), and the guide means (60) comprising rails (64) attached to the mo... | 03/07/2006 |
| 6901740 | Engine with a central spike for a space launcher The pointed end of a central spike, used in an engine of a space launcher, may have a deformable structure that can adopt either a folded position or a deployed position. ... | 06/07/2005 |
| 6802690 | Outlet silencer structures for turbine Both air duct inlet silencers and air duct outlet silencers for use with a stationary gas turbine are disclosed. The sound attenuating duct unit suitable for connecting to an outlet of a stationary gas turbine includes a housing having a horizontal housing section a... | 10/12/2004 |
| 6427801 | Apparatus for reducing noise in the jet engine A apparatus and method for augmenting the thrust of a jet engine while reducing the noise generated thereby, including extending the thrust reverser sleeve, exposing the cascades while retaining the thrust reverser doors or buckets in their stowed positio... | 08/06/2002 |
| 6123170 | Noise reducing connection assembly for aircraft turbine housings In an aircraft turbine, an assembly consisting of an air inlet structure, a air blower housing (22) and a connecting part (36), is fitted in such a way as to reduce noise including in the junction area between the structure and the housing. The connecting... | 09/26/2000 |
| 6092621 | Methods and apparatus for suppressing engine test cell howl Methods and apparatus for suppressing cell howl with negligible impact on engine test conditions are described. The apparatus, in an exemplary embodiment includes a flow distorter configured to be positioned close to a nozzle exit of an engine nozzle, and... | 07/25/2000 |
| 5941065 | Stowable mixer ejection nozzle An ejector nozzle (10) including an first cowling (12), a second cowling (14), and opposed upright sidewalls (16) that together form an internal nozzle exhaust path is provided. A reconfigurable plug assembly (18) having separable first and second diverte... | 08/24/1999 |
| 5884843 | Engine noise suppression ejector nozzle A moderately high bypass ratio turbofan engine nozzle (36) is provided including an outer structure (46) and one or more ejectors (38). The ejectors (38) include inner and outer doors (82), (80) for closing off an ejector passage (76) extending through th... | 03/23/1999 |
| 5826794 | Aircraft scoop ejector nozzle An engine exhaust nozzle (36) is provided for reducing exhaust noise in an intermediate bypass ratio turbofan engine. The nozzle (36) includes a plurality of scoop ejectors (38) placed equal distances about the circumference of a nozzle outer structure (4... | 10/27/1998 |
| 5821472 | Supersonic aircraft exhaust noise suppression system A method of reducing noise from a jet engine at a distance D from the engine comprising the step of up-shifting frequencies of noise from the jet engine to higher frequencies to cause increased noise fall-off in the distance D. Where the jet engine has an... | 10/13/1998 |
| 5801341 | Mechanism of noise suppression system for a supersonic aircraft A noise suppression system for a jet engine of an aircraft having a device for blocking a flow of exhaust gases down the exhaust nozzle of the engine, and a device for separating the exhaust gases into a plurality of exhaust streams spaced a predetermined... | 09/01/1998 |
| 5779150 | Aircraft engine ejector nozzle An aircraft ejector nozzle includes a plug assembly (26) located between upper and lower cowlings (18, 20) and upright sidewalls (22). The plug assembly (26) includes separable upper and lower diverters (28, 30). Each diverter includes multiple subsection... | 07/14/1998 |
| 5761899 | Supersonic engine apparatus and method with ejector/suppressor A supersonic engine having an ejector/suppressor. The engine has a rear discharge portion with an ambient air inlet section, a mixing section, and a rear discharge section. For noise suppression, arms mounted in the air inlet section are moved to open air... | 06/09/1998 |
| 5758488 | Core flow expansion chamber device system for reduction of jet turbine engine noise A noise reduction system is provided for installation on a bypass turbine having a core engine, an outer casing and a thrust reverser. The system is comprised of an acoustically treated nose cowl conventional for the engine; a respaced inlet guide vane up... | 06/02/1998 |
| 5717172 | Sound suppressor exhaust structure A sound suppressor exhaust structure for a jet engine. The exhaust structure has a nozzle body having a generally cylindrical forward intake opening to accommodate an aft end of a jet engine, and a generally quadrilateral aft exit opening. An openable sou... | 02/10/1998 |
| 5706649 | Multi axis thrust vectoring for turbo fan engines The present invention is a thrust reversing apparatus for diverting purely rearwardly directed air flowing through an engine nacelle to combined rearward-and-radially-outward flow, and then to a combination of various radially outward angles and forward f... | 01/13/1998 |
| 5291672 | Sound suppression mixer A gas turbine engine flow mixer includes at least one chute having first and second spaced apart sidewalls joined together at a leading edge, with the sidewalls having first and second trailing edges defining therebetween a chute outlet. The first trailin... | 03/08/1994 |
| 5154052 | Exhaust assembly for a high speed civil transport aircraft engine An exhaust assembly is provided for a gas turbine engine effective for propelling an aircraft from takeoff through subsonic and supersonic velocity. The exhaust assembly is effective for receiving exhaust gases discharged from an outlet of a core engine o... | 10/13/1992 |
| 4909346 | Jet engine noise suppression system A noise suppression system for use with a jet aircraft engine having a plug support cylinder affixed to the engine, a tubular ejector shroud affixed to the engine and encompassing the plug support, the shroud having a reduced internal diameter adjacent th... | 03/20/1990 |
| 4754924 | Variable geometry nozzle A jet engine nozzle operable in a cruise setting and a noise attenuation setting. In the cruise setting the nozzle provides simple through flow. In the noise attenuation setting some ambient flow is ducted into the through flow and some through flow is du... | 07/05/1988 |
| 4501393 | Internally ventilated noise suppressor with large plug nozzle A jet engine noise suppressor particularly adapted for supersonic aircraft. The nozzle (10) has an internal wall surface (70) around a generally centrally positioned body (50) and an annular area (62) extending between the wall and the body. In this area ... | 02/26/1985 |
| 4422524 | Variable shape, fluid flow nozzle for sound suppression The invention is an aircraft jet engine variable shape, fluid flow nozzle (10) which is adjustable to sound-suppression (take-off) and nozzle open (cruise) modes. In the take-off or sound-suppression mode a plurality of movable flaps (24) are positioned i... | 12/27/1983 |
| 4353516 | Thrust reverser and silencer assembly of turbojet engines Two groups of half shells capable of being retracted from the jet flow, in a position closing the jet pipe. The thrust reverser and the silencer are concentric and their axes of rotation are upstream with respect to their position in the jet flow.... | 10/12/1982 |
| 4291782 | Simplified method and apparatus for hot-shield jet noise suppression A method and apparatus for selectively generating a noise suppressing hot gas shield are described. A portion of the jet engine exhaust flow is selectively directed to a nozzle which at least partially surrounds the circumference of the jet engine exhaust... | 09/29/1981 |
| 4049220 | Ejector sleeves for aircraft mounted gas turbine engines An aircraft jet propulsion power plant is fitted with a sliding ejector sleeve for the provision by selection, of an auxiliary flow of ambient air within the sleeve so as to quieten the noise of the gas efflux. The sleeve is mounted independently of the p... | 09/20/1977 |
| 4036452 | Retractable engine noise suppression system for over-the-wing jet aircraft Retractable multiple aperture arrays, mounted behind jet engines that produce jet exhausts that pass chordwise over the wings of an aircraft, are disclosed. In their operative positions, a multiple aperture array lies in the exhaust path of each engine, i... | 07/19/1977 |
| 4007587 | Apparatus for and method of suppressing infrared radiation emitted from gas turbine engine An apparatus for and method of suppressing infrared radiation emitted from hot metal parts at the aft end of a gas turbine engine and from the exhaust gas plume thereof is provided and such apparatus comprises a dual purpose ejector vane assembly operativ... | 02/15/1977 |
| 3990530 | Noise suppressor for turbine type power plant A combined ejector and retractable suppressor to suppress jet noise occasioned by the hot gases discharging from the tail pipe of a gas turbine engine has a generally conical shaped duct member defining a primary nozzle coaxially mounted within the ejecto... | 11/09/1976 |
| 3976160 | Device for the attenuation of noise emission by the jet pipes of jet engines A device for the attenuation of the noise emitted by a jet pipe of a jet ine and especially a composite jet pipe of an aircraft jet engine, by pinching of the jet with the aid of opposite panels causing spreading of the jet in one plane, so that a silenc... | 08/24/1976 |
| 3954224 | Jet noise suppressor Multiported and multinozzled sectors are pivotally mounted to swing between positions cooperatively spanning a jet engine exhaust duct and retracted positions alongside the wall of such duct. Such sectors are located between a forward nozzle section and a... | 05/04/1976 |
