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| Number | Title | Issue Date |
| 7267476 | Dual handle immersion blender There is provided an immersion blender essentially having a housing or body portion for containing a drive motor, a shank or drive shaft operatively connected to the drive motor, and a processing tool operatively connected to the drive shaft. The immersion blender a... | 09/11/2007 |
| 7241105 | Watercraft with vertically collapsible vertical axis wind turbine and propeller flexible drive shaft A vertically collapsible vertical axis wind turbine may be used on land, or on a watercraft (e.g. a multihull such as a catamaran). The turbine may include a substantially vertical shaft; at least two vane supports mounted by the shaft; and at least two vertically c... | 07/10/2007 |
| 7052230 | Pump assembly A pump assembly including a pump, a pump frame and a motor, the pump including a pumping member which is mounted in a pump housing, relative rotation of the pumping member with respect to the pump housing causing pumping of fluid, and the motor including a rotor and... | 05/30/2006 |
| 6784566 | Coupled vortex vertical axis wind turbine A pair of vertical axis wind turbines are arranged in close proximity to each other so that their vortices interact with each other to provide enhanced aerodynamic efficiency. The wind turbines are spaced as closely as possible while providing for machine and person... | 08/31/2004 |
| 5520458 | Vertical shift mixing assembly A mixing blade assembly having two vertical shafts oriented parallel to one another, each shaft carrying two blades, wherein an upper (horizontal) element of each blade is rectilinear and shorter in length than a bottom "S" shaped curved element of each b... | 05/28/1996 |
| 5520505 | Wind amplified rotor platform (warp) An energy conversion device which comprises a stacked array of alternating yawable and fixed toroidal modules about a central core structure. The yawable toroids have typically four impact impellers mounted in their peripheral flow regions for the purpose... | 05/28/1996 |
| 5466124 | Device for generating an inversion-kinematic movement A device for converting a rotational movement for directing displacement of a flowable medium is provided with a mount and two rotatably mounted fixed axles which are arranged at a distance from one another on the mount and on which are articulated two en... | 11/14/1995 |
| 4874291 | Rotor arrangement for a rotorcraft A rotorcraft having four symmetrically disposed intermeshing rotors coupled to a common drive unit, each rotor having a single blade which is formed with a lifting surface and an oppositely projecting balance arm. The four rotors are coupled to the drive ... | 10/17/1989 |
| 4619583 | Wind turbine A wind turbine with two rotors equipped with wings, which are mounted on horizontal shafts rotatably mounted in a bearing unit. The rotors are displaced 180° in relation to each other. The bearing unit is connected to a rotatably mounted vertical output ... | 10/28/1986 |
| 4606697 | Wind turbine generator A wind-powered prime mover comprising a pair of elongate, vertically extending, laterally spaced parallel rotors with a plurality of circumferentially spaced radially outwardly projecting circumferentially and longitudinally extending vanes. The rotors ar... | 08/19/1986 |
| 4500259 | Fluid flow energy converter Energy is extracted from a free-stream fluid flow of wind or water by means of a multi-turn helicoid structure with a relatively small pitch angle. The axis of the structure about which the helicoid turns is making an angle with the flow vector in the ord... | 02/19/1985 |
| 4495424 | Plant for utilization of wind and waves A plant for the combined utilization of energy from both wind and waves includes a plurality of fluid flow engines for utilizing both energies, and generating power therefrom. Each engine includes blades for making use of the energy of the wind, and a flo... | 01/22/1985 |
| 4494007 | Wind machine To generate power from wind economically, a feathering vane is pivotally mounted perpendicular to a tail vane and shifts the orientation of a sprocket assembly controlled by the tail vane in response to wind velocity. The sprocket assembly changes the ori... | 01/15/1985 |
| 4414477 | Wind energy convertor Apparatus for converting the energy of the wind into mechanical energy for use in the generation of electricity comprises an upstanding column a fan which is freely rotatably mounted on the column and which comprises circumferentially spaced, radially ext... | 11/08/1983 |
| 4246862 | Self-cleaning weedless propeller A self cleaning attachment for a propeller shaft having a gear box mounting parallel stub shafts driven in the same direction by a common gear, screw propeller surfaces on the shafts with teeth on the outer edge of each propeller surface and having weed s... | 01/27/1981 |
| 4219304 | Water turbine This turbine is pontoon supported on a body of water, and it consists primarily of a pair of angularly disposed and spaced-apart rotors, which when in operation, will cause a minimal amount of injury to the environment, as concerning marine life and land ... | 08/26/1980 |
| 4203702 | Water driven engine A water driven engine comprising a frame and two vertical rotors which are rotatably mounted in the frame. The water drive engine is mounted in a stream of water. If desired the engine may be mounted in a low dam. The blades of the vertical rotors overlap... | 05/20/1980 |
| 4204126 | Guided flow wind power machine with tubular fans A guided flow wind power machine having inter-meshing tubular fan blades is disclosed. The device includes a main frame which is rotatively mounted to permit it to continuously face the wind directly. The main frame carries three separate power cells each... | 05/20/1980 |
| 4174923 | Wind driven engine A wind driven engine comprising a base, a housing which is rotatably mounted on the base, and two vertical rotors which are rotatably mounted in the housing and which are substantially enclosed by the housing. The blades of the vertical rotors overlap. An... | 11/20/1979 |
| 4161370 | Windmill First and second windmill wheels are mounted on and non-rotatably connected by shaft means, which define a vertical axis. Each of said windmill wheels has rigidly interconnected vanes, which are adapted to return opposite to the direction of the wind. Sai... | 07/17/1979 |
| 4156580 | Wind-turbines The invention relates to an energy conversion system for converting kinetic energy possessed by the wind into mechanical energy, using a particular compact design for vertical axis rotors in combination with a specially adapted tower structure.... | 05/29/1979 |
| 4075545 | Charging system for automobile batteries A pair of air driven impeller rotors mounted in the front end portion of a vehicle and operatively connected to one or more generators for charging drive motor energizing batteries responsive to forward movement of the vehicle. The impeller rotors are dis... | 02/21/1978 |
| 4074951 | Wind power converter A wind power converter comprising: a pair of rotatable turbines with elongated curved blades disposed within a rotatable housing on axially parallel shafts, the curvature of the blades of one turbine being opposite to the curvature of the blades of the se... | 02/21/1978 |
| 4040768 | Mixing, conveying heating and/or cooling apparatus A helical blade is provided for a mixing or conveying apparatus which can be used for heating or cooling or in general effecting a thermal treatment such as drying, evaporating calcining or crystallizing a product fed to the apparatus. The blade comprises... | 08/09/1977 |
