Bizarre Patents
A method to tenderize meat with an explosive shockwave.
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 |
| 8011877 | Fiber composite reinforced aircraft gas turbine engine drums with radially inwardly extending blades A gas turbine engine assembly having one or more blade rows with blades extending radially inwardly from a rotatable drum, one or more composite fiber material rings disposed circumferentially around the rotatable drum, and the composite fiber material rings includi... | 09/06/2011 |
| 7244103 | Windmill rotor comprising multiple separate wind channels Round honeycomb rotor for wind generators and most propellers has bent tubular trapezoids, two or more concentric tubular cylinders and a variable number of round bent tubular trapezoids. Both cylinders and trapezoids form modular trapezoidal tubes, which have large... | 07/17/2007 |
| 7226277 | Pump and method A pump for moving a liquid including stator and a permanent magnet rotor which rotates to move at least one a helical pumping member. ... | 06/05/2007 |
| 7217129 | Medical or dental-medical handpiece having at least one rotary part The invention relates to a medical or dental-medical handpiece having a rotary part, in particular a turbine rotor. In order to improve the handpiece with regard to small construction, running noise and economical construction, there is provided a roller bearing for... | 05/15/2007 |
| 7192248 | High speed machining device An air turbine driven rotary machine tool having a tool casing, a turbine rotor mounted within the casing for rotation, a stator mounted in fixed position in the tool casing coaxially aligned with the turbine rotor, a annular cavity defined within the casing and coa... | 03/20/2007 |
| 7114921 | Fan and blower unit having the same A cooling fan includes a cylindrical boss portion, a plurality of blades extending from the boss portion in a radial direction and a ring member integrated with radial outside edges of the blades. The ring member has an axial dimension smaller than an axial dimensio... | 10/03/2006 |
| 6957947 | Hydroelectric turbine A hydroelectric turbine anchored in a body of water which produces electricity directly from its housing. The turbine is in and of itself a generator whose housing is its stator and whose blade it its rotor. ... | 10/25/2005 |
| 6910862 | Airflow guiding structure for a heat-dissipating fan A heat-dissipating fan includes a casing having an air outlet, a base mounted in the air outlet, an impeller being mounted on the base and having a plurality of blades, a plurality of ribs each extending between the base and the casing along a radial direction of th... | 06/28/2005 |
| 6729840 | Hydroelectric powerplant A powerplant for use in high head applications (dams) which allows marine animals (fish, otters, turtles, etc.) to swim safely from one side of the dam to the other. The turbine blades which take energy from the water to produce electricity have a large hole through... | 05/04/2004 |
| 6647732 | Gas turbine engine with compressor and turbine inside a hollow shaft The present invention relates to a turbine engine, wherein compressor rotor blades and turbine rotor blades set around the interior circular surface of a hollow revolving shaft while compressor stator blades and turbine stator blades are set around the ex... | 11/18/2003 |
| 6637209 | Engine core rotor shaft structure for gas turbine engine An engine core structure for a gas turbine engine includes an outer annular shaft body, a turbine rotor body, turbine rotor blades radially connected between the outer annular shaft body and the turbine rotor body to hold the turbine rotor body in the rea... | 10/28/2003 |
| 5592816 | Hydroelectric powerplant A hydroelectric turbine and a method of using the turbine in an open body of water to produce electric power is described. A turbine has a large opening to allow a stream of water to pass through. The turbine is supported by a plurality of rubber tires su... | 01/14/1997 |
| 5575615 | Multiphase fluid treatment Apparatus for the treatment of a multiphase fluid, comprises a pretreatment stage (60) upstream of a treatment stage, the pretreatment stage being arranged to cause an incoming flow of multiphase fluid to concentrate fluids of greater and lesser specific ... | 11/19/1996 |
| 5484266 | High speed electrically driven axial-flow pump and boat driven thereby An axial-flow pump combined with an electric motor coaxially arranged therearound. The rotor (1) and stator (2) are common to both the electric motor and the pump. The rotor comprises a central tubular portion (11) defining a central channel (14) with a w... | 01/16/1996 |
| 5445502 | Vacuum pump having parallel kinetic pump inlet section A vacuum pump includes a positive displacement vacuum pump structure section disposed on a discharge opening side; a kinetic vacuum pump structure section, disposed on a suction opening side, for providing a high vacuum; and a kinetic vacuum pump structur... | 08/29/1995 |
| 5167483 | Method for utilizing angular momentum in energy conversion devices and an apparatus therefore An energy conversion device which benefits from forces associated with angular momentum. A mass such as fluid is directed through a conduit from one elevation to a lower elevation with the conduit configured to conform to a decreasing cross-sectional area... | 12/01/1992 |
| 4826403 | Turbine A power turbine (12) comprises alternate annular arrays of contra-rotatable turbine blades. Two arrays of turbine blades (30) and (47) have annular arrays of aerofoil propulsion blades (17,18) respectively attached thereto. Alternate arrays of turbine bla... | 05/02/1989 |
| 4707978 | Flow energy conversion machine The invention relates to a flow energy conversion machine having a substantially circular flow-through cross-section and comprising stationary guide blades disposed in at least one plane perpendicular to the flow direction, and rotor blades disposed in at... | 11/24/1987 |
| 4648788 | Device in fluid pressure generators A device in fluid pressure generators comprising an annular casing which is peripherally mounted and driven in a through-flow channel. The inner face of said annular casing forms part of the wall of the through-flow channel. The annular casing is provided... | 03/10/1987 |
| 4468234 | Centrifugal separator A centrifugal separator cleans a stream of fluid by passing the same through a rapidly rotating tapered duct. Rotation of the duct creates centrifugal force which causes pollutants carried by the stream to collect on a duct wall and to flow along the wall... | 08/28/1984 |
| 4397146 | Gas turbine A gas turbine comprising a housing having a chamber of generally cylindrical periphery, a rotor mounted for rotation in the chamber, and a stator wall at one end of the chamber. The rotor has an end face in rotary sealing relationship with the stator wall... | 08/09/1983 |
| 4375975 | Centrifugal separator A centrifugal separator cleans a stream of fluid by passing the same through a rapidly rotating tapered duct. Rotation of the duct creates centrifugal force which causes pollutants carried by the stream to collect on a duct wall and to flow along the wall... | 03/08/1983 |
| 4375944 | Lubricating device for a motor compressor A lubricating device, especially for use with a hermetic motor compressor unit, having a vertical shaft extending downwardly into a lubricant sump. The lubricating device comprises a pick-up tube having a larger diameter upper cylindrical portion open at ... | 03/08/1983 |
| 4272685 | Generating means A generating means as a form of utilizing water to generate electricity. There is a water dam which backs up a sizeable depth and water pressure, and a water outlet pipe near the bottom of the dam. A plurality of electric generating stations are positione... | 06/09/1981 |
| 4256435 | Mounting support blocks for pivotal rotor of wind turbine A new and improved type of rotor blade assembly is disclosed for use in a power-generating, wind-driven turbine. The present invention comprises a plurality of support blocks each mounting a rotor blade and captivated between two rings so as to form a cyl... | 03/17/1981 |
| 4242979 | Screw propeller with no shaft boss and ship thruster using such screw propeller A propeller with no shaft boss comprising a substantially cylindrical rotatable member and several propeller blades extending radially of the cylindrical member close to the center axis thereof, and a ship thruster system adapted with the propeller having... | 01/06/1981 |
| 4222700 | Unidirectional rotation turbine apparatus with reverse flow Turbine apparatus that includes a tubular housing, a rotor assembly drivingly mounted on a shaft and having a hub and a plurality of circumferentially spaced, generally V-shaped blades extending radially outwardly of the rotor hub, each rotor blade having... | 09/16/1980 |
| 4176283 | Water powered generator In the illustrated embodiment a hollow armature core is rotatably mounted in a water main, and is caused to rotate by water pressure applied against flexible sensing vanes, which are affixed in an axial bore in the armature core. Rotational speed of the a... | 11/27/1979 |
