Abstract: A propeller/impeller blade adapted to propel a vehicle or other device, create a vacuum, or move a medium, comprising a generally flat strip-like member having first and second opposite ends joined together to form a pair of contiguous loops with a generally figure eight configuration about its longitudinal axis. The upper and lower surfaces of the loops are continuous throughout its figure eight configuration and structured so that if one were to trace along the upper surface longitudinally in a single direction, they will return to the same location on the upper surface from where they began without traversing the lower surface. In use, the pair of loops are mounted on the shaft of the desired device so that each loop is disposed symmetrically about the longitudinal axis of the shaft and the longitudinal axis of the pair of loops is disposed in perpendicular relation to the longitudinal axis of the shaft.

Abstract: A mixing device for mixing flowable materials in a container employs an elongated shaft having one end adapted to be connected to a power source and the other to be inserted into the material, with a pair of elongated, generally helical open centered coil impellers mounted on the shaft at a location to be submerged in the material, with the coils having their longitudinal axes parallel to one another and substantially perpendicular to the shaft, with the coils being offset on opposite sides of the shaft. Preferably, the coil impellers are supported on a hub mounted for adjustment longitudinally of the shaft.

Abstract: A three dimensional figure eight propeller/impeller blade apparatus is provided which may be used to propel a vehicle, power a shaft, create a vacuum, or move a medium. The blade apparatus is made from an elongated strip of generally flat material. In one embodiment, the ends of the flat strip of material are joined together to form two loops having an overall three dimensional figure eight configuration. In forming the loops, the upper and lower surfaces of the flat strip of material are continuously maintained relative to each other.

Abstract: A rotary mixing device provides an elongate powering shaft carrying at a first end portion mixing apparatus formed by a first outer annulus interconnected by quadrantally arrayed first radial elements to the first end portion of the powering shaft, and a second inner annulus spacedly distant along the powering shaft from the first annulus and having quadrantally arrayed second radial elements interconnecting the second annulus and the powering shaft, with each of the second radial elements of the second annulus being coplanar with one of the first radial elements of the first annulus. Elongate peripheral elements extend in quadrantal array to interconnect the first and second annuli with end portions immediately radially outwardly from each coplanar pair of first and second radial elements.

Abstract: A stirrer for mixing mortar, joint compound and other viscous liquids. The stirrer includes a shaft having a fitting at its upper end for insertion into the chuck of a drill motor, or like device, and a pair of blades at its lower end. The blades are formed of stiff metallic strips which intersect each other at their respective midpoints. At their point of intersection, the blades are secured to the lower end of the shaft thereby defining upper blade surfaces adjacent the shaft and lower blade surfaces remote therefrom. The ends of the blades are provided with a semicircular shape and the lower blade surfaces adjacent thereto are secured to the shaft at a point remote from its lower end.

Abstract: Agitator blades formed by connecting a plurality of frame members are provided in a cylindrical or conical container to realize the agitator blade structure without rotary shaft. Therefore, less liquids being treated adhere onto the rotary shaft or the agitator blades and less residue of the liquids is formed, making it possible to obtain a final high viscosity polymer using the same agitator vessel preventing the quality from being deteriorated.

Abstract: The present invention relates to a rotating beater (1) adapted to be rotated by a drive shaft (2), including at least one wire-shaped beater element (3, 22), which starts from the drive shaft (2), extends further in the direction of the drive shaft and, finally, after one or a plurality of changes in its direction of extension, is led back to the drive shaft (2). The course of the beater element (3, 22) is substantially subdivided into a first section (4, 7) in the extension of the drive shaft (2), a second section (5, 8) extending substantially transversely to the drive shaft (2), and a third (6, 9) section (6), with the first (4, 7) and third (6, 9) sections extending so that their ends (10, 11 or 12, 13, respectively) starting from the drive shaft (2) lag behind their other ends (23, 24 or 25, 26, respectively) in the direction of rotation (U) of the beater.

Abstract: 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 blade, the upper and bottom elements of each blade of one shaft are connected by curved side elements that are the inverse of the curved side elements connecting the upper and bottom elements of the blades of the second shaft.

Abstract: A device for manually whisking liquids or semi-liquids consists of a rod, to the end of which are individually attached torroidal coils of stainless steel fixed to the rod by wire loops twisted to tightness. Annular grooves are formed in the rod to provide longitudinal abutments for the coils and the end of the rod may protrude beyond the coils and be domed to provide a bearing. The head of the device is immersed in the liquid to be treated and is spun by rolling the rod between the palms of the user's hands to rotate the device at high speed to agitate and froth the liquid.

Abstract: An accessory for a mixer having a first Moebius shaped mixing blade mounted to a shaft and having a second, mirror image, Moebius shaped mixing blade mounted to a second shaft, the second shaft being oriented parallel to the first shaft, and wherein the individual mixing blades, as viewed from the plane normal to each shaft axis, form the FIG. 8.

Abstract: A mixing apparatus includes a bottom ribbon blade adapted for viscous fluid contents. The mixing apparatus includes a vertically positioned mixing vessel including a cylindrical wall and a bottom wall disposed on a lower portion of the cylindrical wall wherein the bottom wall is of a semi-ellipsoid shape, dished shape, or circular cone shape with an obtuse apex angle and each of the convex surfaces of which is oriented downwardly. An impeller shaft is vertically and coaxially aligned within the mixing vessel and a helical ribbon blade is disposed within the mixing vessel in such a manner as to be rotated by a driving mechanism via the impeller shaft.

Abstract: A plurality of flat plates are laterally disposed at an outer circumference of a hub and auxiliary vanes are disposed in parallel to at least side edges of each of said flat plates while being spaced apart from the side edges. Accordingly, an occurrence of eddy flows can be restricted, a peeling-off eddy flow can be reduced, agitating and mixing of gas-liquid can be made efficient without producing any damage to microorganisms or the like and an agitating efficiency can be improved with a simple structure.

Abstract: The present invention relates to a rotor driven by wind power with a vertical rotating axis and radial arms distributed at uniform angular intervals over its periphery which bear bodies with an aerodynamic profile such that one side of the profile exhibits a lower air resistance with a current at right angles than with a current from the opposite side.Known vertical rotors should be of simple construction and should be capable of being manufactured at low cost. At the same time their efficiency should be high enough for them to be used to generate wind power economically. To this end, the rotor of the generic type is improved such that the rotor arms consist of one or a plurality of loops in vertical planes with an aerodynamic profile, where the profile shape is maintained essentially uniform over the entire length of the loop.

Abstract: An agitating vane in which a plate-like vane is disposed at an extreme end of a rotary shaft to agitate liquid has a feature that auxiliary vanes for covering a part of vane with a clearance being left are disposed in front of the surface of the vane in its rotational direction. Accordingly, a phenomenon of peeling-off caused by the eddy flow generated at the rear surface of the vane is eliminated by liquid flowing at a high speed at a clearance between the vane and the auxiliary vanes, a circulation flow of regulated flow state is attained and agitating efficiency is improved.

Abstract: A whisk having a longitudinally extending handle with a front end. Several wire loops with open free ends extend from the front end of the handle and form a V-shape. Several rectilinear parts connect the open free ends of the V. The whisk is adapted to contact a large surface of the bottom of a flat-bottomed container and reach into the corners of the container.

Abstract: A propeller system is formed on a shaft by at least one pair of axially spaced propeller blades each having a first and a second blade section extending at a selected acute (or obtuse) angle to the axis of the shaft, the first sections and second sections respectively of the pair of propeller blades are substantially parallel to each other and the tips of the first sections of each of the blades are connected to the tips of the second section of each of the blades respectively to form a box shape. The shaft is connected to the propeller system in a manner so that the axis of the shaft extends substantially diagonally of the box shape whereby the parallel sections of the blades move in opposite directions relative to the fluid in which they are contained when the shaft is rotated to facilitate improvement of the efficiency of the propeller system.

Abstract: Dual-plant blade construction for wind turbine rotors having a horizontal shaft having a rotor hub adapted to be mounted on the horizontal shaft and having a horizontal axis. First and second sets of straight blades are secured to said rotor hub in circumferentially equally spaced apart positions on the rotor hub. Each of said sets of blades include first and second blades having tip and root portions with the root portions of the blades being secured to the rotor hub at spaced apart positions along the axis of the rotor hub and the tip portions of the blades being secured to each other whereby there is generated substantially equal and opposite cyclic spanwise forces and minimal cyclic flatwise moments in the first and second blades in response to non-steady aerodynamic normal forces acting on these blades in non-uniform turbulent winds.

Abstract: A blending apparatus has a rotor provided with louvers and mixing teeth. The louvers have openings which vary in size and act to convey materials being cut and blended through the disc. The mixing teeth extend from peripheral edges of the rotor. Adjacent teeth vary in angular extension from the edges and in direction of extension from the edges. One or more rotors may be mounted on one or more shafts to meet diverse mixing needs.