Bizarre Patents
A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.
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 |
| 8061969 | Mid turbine frame system for gas turbine engine A gas turbine engine mid turbine frame having an inner case supporting at least one bearing and at least three spokes extending radially outwardly to an outer case, the mid turbine frame having an interturbine duct extending through the mid turbine frame, the intert... | 11/22/2011 |
| 7722312 | Fuel cell compressor system The invention provides a fuel cell compressor system that comprises a motor, including a motor shaft driven by the motor; a drive housing at least partially surrounding the motor shaft; a first gear set driven by the motor shaft; a carrier torque tube driven by the ... | 05/25/2010 |
| 7618232 | Compressor comprising a plurality of cells reconstituting an annular volume of separation of flows in a turbine engine This turbine engine compressor comprises a separating nose extended by inner and outer annular walls defining in cooperation an annular volume (V) of separation of a primary flow (F1) and a secondary flow (F2). This volume (V) comprises a plurality of ... | 11/17/2009 |
| 7544039 | Dual spool shaft with intershaft seal A twin spool rotor shaft having an inner rotor shaft and an outer rotor shaft concentric to the inner rotor shaft, an outer shaft seal assembly formed between the outer rotor shaft and a stationary casing, and an inner shaft seal assembly formed between the outer sh... | 06/09/2009 |
| 7422416 | Device for effecting heat transfer to rotating equipment, in particular gas turbines A device for effecting heat transfer to rotating equipment, in particular gas turbines, is provided. A gas turbine (10) comprises a first rotating unit (11), i.e. an internal shaft and a second fixed unit (16), i.e. a housing. A third rotating u... | 09/09/2008 |
| 7372175 | Two-spool bypass turbojet with a rear electricity generator, and an air flow connection device and system A two-spool bypass turbojet includes a low-pressure spool having a rear portion carrying a low-pressure turbine provided with a low-pressure rotor. The turbojet includes a support structure connected to a casing and to a rear bearing in which the rotor is mounted. T... | 05/13/2008 |
| 7334981 | Counter-rotating gas turbine engine and method of assembling same A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor that includes a first plurality of rows of turbine blades configured to rotate in a first rotational direction, providing a low-pressure turbine outer rotor that ... | 02/26/2008 |
| 7331323 | Lubricating oil supplying system for internal combustion engine A lubricating oil supplying system for an internal combustion engine includes a lubricating oil storage section for storing lubricating oil. A driven pump is driven by the internal combustion engine to suck the lubricating oil from the lubricating oil storage sectio... | 02/19/2008 |
| 7329965 | Aerodynamic-hybrid vertical-axis wind turbine An aerodynamic-hybrid, vertical-axis wind turbine which includes a rotor airfoil and stator blade combination which maximizes energy production by increasing wind velocity and pressure while eliminating back pressure and improving the laminar flow of wind both aroun... | 02/12/2008 |
| 7197783 | Appliance having a driving mechanism An appliance having a driving mechanism is provided, the appliance (10) comprising two rotatable portions (32, 34) which are rotatable by the driving mechanism (50) about an axis (40). The driving mechanism (50) comprises a gearbox... | 04/03/2007 |
| 7195446 | Counter-rotating turbine engine and method of assembling same A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor configured to rotate in a first direction, providing a low-pressure turbine outer rotor configured to rotate in a second direction that is opposite the first rota... | 03/27/2007 |
| 7195447 | Gas turbine engine and method of assembling same A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor that includes a first plurality of turbine blade rows configured to rotate in a first direction, providing a low-pressure turbine outer rotor that includes a seco... | 03/27/2007 |
| 7186073 | Counter-rotating gas turbine engine and method of assembling same A method for assembling a gas turbine engine includes providing a low-pressure turbine inner rotor that includes at least a first pair of adjacent rows of turbine blades that are configured to rotate in a first direction providing a low-pressure turbine outer rotor ... | 03/06/2007 |
| 7156612 | Spigot arrangement for a split impeller A spigot arrangement for split impeller (inducer and exducer) includes a recess of the exducer and means for reducing exducer blade root stresses and localized contact stresses between inducer and exducer. ... | 01/02/2007 |
| 7140833 | Integrated turbo/drag/regenerative pump with counter-rotating turbo blades The present invention relates to vacuum pumps and a method for creating and maintaining a high vacuum. A vacuum pump includes a regenerative section and a turbo-molecular section. A common first rotor carries forward-rotating elements of both the regenerative sectio... | 11/28/2006 |
| 7132760 | Wind turbine device A hybrid blade wind turbine device formed of at least a pair of straight outer airfoil blades, and a pair of inner helical wing blades, as supported for rotation within a safety protective cage structure, which wind turbine can be mounted in the vertical, horizontal... | 11/07/2006 |
| 7097415 | Low-pressure turbine of a turbomachine A low-pressure turbine of a turbomachine, the turbomachine comprising a high-pressure turbine disposed upstream from the low-pressure turbine, and an exhaust casing disposed downstream from the low-pressure turbine, the low-pressure turbine comprising a rotor secure... | 08/29/2006 |
| 7048496 | Turbine cooling, purge, and sealing system A rotor system for a gas turbine engine is provided having an outer rotor which includes an annular outer spool that comprises at least one ring portion of increased thickness with respect to the remainder of the outer spool, attached to a relatively thinner, axiall... | 05/23/2006 |
| 6945747 | Dual rotor wind turbine A dual rotor wind turbine according to the present invention includes a rotatable drive shaft, a first rotor assembly connected to the drive shaft, a second independently-rotating rotor assembly coupled to the drive shaft rearward of the first rotor assembly, a firs... | 09/20/2005 |
| 6763654 | Aircraft gas turbine engine having variable torque split counter rotating low pressure turbines and booster aft of counter rotating fans A gas turbine engine turbine assembly includes a high pressure spool having a high pressure turbine drivingly connected to a high pressure compressor by a high pressure shaft which is rotatable about an engine centerline. A low pressure turbine has counter rotatable... | 07/20/2004 |
| 6666017 | Counterrotatable booster compressor assembly for a gas turbine engine A counterrotatable booster compressor assembly for a gas turbine engine having a counterrotatable fan section with a first fan blade row connected to a first drive shaft and a second fan blade row axially spaced from the first fan blade row and connected ... | 12/23/2003 |
| 6647707 | Nested core gas turbine engine A gas turbine engine comprising a combustion chamber section, a turbine section, and a compressor section. The turbine section surrounds the combustion chamber and the compressor section surrounds the turbine section.... | 11/18/2003 |
| 6179553 | Multiple stage centrifugal pump Multiple stage centrifugal pumps have a plurality of rotors arranged on a drive shaft are shown. At least one rotor is formed as a hollow shaft which is rotatably journalled on the drive shaft and which rotates with a speed of rotation n2 which... | 01/30/2001 |
| 6012897 | Free rotor stabilization In a turbo compressor, such as a centrifugal compressor, having swirl inducing structure, such as inlet guide vanes, one or more free rotors are located intermediate the swirl inducing structure and the inlet of the compressor. The free rotors are driven ... | 01/11/2000 |
| 5437539 | Apparatus for the dynamic control of rotating stall and surge in turbo machines and the like The invention is a turbo machine comprising a rotatably mounted blade row, such as a compressing or pumping rotor and apparatus for providing aerodynamic feedback to the blade row which feedback apparatus has substantially zero pressure difference across ... | 08/01/1995 |
| 5323612 | Exhaust gas turbocharger arrangement An exhaust gas turbocharger for an internal combustion engine is described, in the turbine housing of which there is arranged upstream of the turbine wheel a turbine guide wheel which is mounted rotatably relative to the turbine wheel. In order to be able... | 06/28/1994 |
| 5263814 | Water driven turbine An improved water turbine which has a first rotatable cylinder having a water inlet hole and a plurality of nozzles, and a second rotatable cylinder having a plurality of rotating blades on the inner surface is disclosed. Water dropped from an altitude en... | 11/23/1993 |
| 5232333 | Single flow turbopump with integrated boosting Inside a single casing the turbopump comprises a main shaft driven by a turbine, a secondary shaft coaxial with the main shaft, a low pressure impeller mounted on the secondary shaft to create a medium pressure flow which is brought back to flow parallel ... | 08/03/1993 |
| 5224817 | Shunt flow turbopump with integrated boosting Inside a single casing the turbopump comprises a main shaft driven by a turbine, a secondary shaft coaxial with the main shaft, a low pressure impeller mounted on the secondary shaft to create a medium pressure flow which is brought back to flow parallel ... | 07/06/1993 |
| 5197851 | Axial flow turbopump with integrated boosting Inside a single casing the turbopump comprises a main shaft driven by a turbine, a secondary shaft coaxial with the main shaft, at least one low pressure boost impeller mounted on the secondary shaft. The LP fluid flow is brought parallel to the axis of t... | 03/30/1993 |
| 5106262 | Idler disk An idler disk for reducing fluid drag forces in a machine having a rotating component is disclosed. An outer housing is provided for the machine and a cavity is defined in the outer housing. The cavity has opposed side walls. A rotatable component is posi... | 04/21/1992 |
| 4993848 | Thrust bearing system for counter-rotating propeller shafts, particularly ships propeller shafts Two propeller shafts are disposed coaxially one within another. A collar of the inner propeller shaft grips into the hollow outer propeller and supports the inner shaft axially over axial friction bearing elements. The axial friction bearing elements are ... | 02/19/1991 |
| 4767271 | Gas turbine engine power turbine A power turbine suitable for a gas turbine engine which a blade of one array of turbine blades has a fan propulsion blade attached to its radially outer extent. A drum member is further provided which carries at least one further annular array of turbine ... | 08/30/1988 |
| 4758129 | Power frame A rotor stage disposed within an annular fluid flowpath in a turbomachine is disclosed. The rotor stage includes outer and inner rings and a plurality of first and second airfoils. The outer and inner rings define flowpath surfaces for said flowpath. The ... | 07/19/1988 |
| 4671734 | Dual turbine drive A pair of cold air driven tubines are mounted in-line with each turbine driving one of two coaxial drive shafts. Each drive shaft is independently supported and separate drive air is supplied to each turbine such that the direction and speed of rotation o... | 06/09/1987 |
| 4586878 | Accelerating means and method for turbocharger Turbocharger acceleration is enhanced by a single element, multi-vane nozzle ring rotatably mounted to the turbine wheel or housing and optimizing exhaust gas flow direction into the turbine wheel at engine idle conditions and other operating conditions, ... | 05/06/1986 |
| 4558564 | Inter-shaft journal assembly of a multi-spool turbo-machine In a multi-spool turbo machine, a first shaft of the low pressure spool is supported for rotation with respect to a second shaft of the high pressure spool and is located with respect to the second shaft by means of a roller bearing. Rollers of the bearin... | 12/17/1985 |
| 4400134 | Collector apparatus Pumping apparatus for collecting polluted liquids such as oil on water and including a first pumping stage comprising a rotatable annular rotor having curved blades shaped to draw liquid inwardly towards the center of rotation, and stationary blades dispo... | 08/23/1983 |
| 4345875 | Turbo-machines operating at the maximum possible efficiency New concepts of Components and Unities of Turbo-Machines based on a mathematical theory checked through experiments and permitting to predict the behaviour of a fluid particle subjected to a system of forces; Structures enabling all types of Single and Compoun... | 08/24/1982 |
| 4252500 | Turbine with rotors geared together A steam turbine comprising a housing in which there are at least two rotors turning on a common axis in the same direction but at different speeds. The rotors are connected by gearing preferably located externally of the housing. In the preferred form, th... | 02/24/1981 |
