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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7213779 | Rotary grinder apparatus and method A rotary grinder having a cylindrical drum that includes a cylindrical surface. The cylindrical surface defines two holes. The drum receives opposite ends of a through-member at the two holes such that the opposite ends of the through-member comprise hammers when th... | 05/08/2007 |
| 6109551 | Cutter apparatus for waste disposal unit A waste disposal apparatus has a cutter apparatus with angled teeth. The cutters may be disposed in a passage of a housing having an inlet and an outlet. The cutter apparatus has a stationary cutter and a pivoting cutter which pivots with respect to the s... | 08/29/2000 |
| 5731199 | Mechanical triturator for biological material A mechanical triturator for biological material comprises a cylindrical housing defining a chamber in which a cutting member constituted by a perforated plate is disposed. A rotor member, mounted for rotation in the chamber, has a screw which cooperates w... | 03/24/1998 |
| 5692688 | Comminuting screen for hammermills A hammermill having a polygon profile screen which provides for improved hammer impact and crushing efficiency. Particles in the working zone of the hammermill tend to be accelerated in the direction of hammer rotation. This acceleration lessens the speed... | 12/02/1997 |
| 5673863 | Size reduction apparatus for the production of prismatical and particularly cubical particles from cuttable materials An apparatus for cutting cuttable pieces, especially of animal or vegetal origin, into prismatic, preferably cubical shape, includes two concentric knife rotors, inner and outer knife rotors. The inner knife rotor carries a first cutting tool for cutting ... | 10/07/1997 |
| 5503338 | Regrind deflectors for hammermills A regrind deflector for an apertured screen in a hammermill has a plate extending along substantially the entire length of the screen and having a straight surface smoothly blending to a curved surface, the straight surface beginning at an inner surface o... | 04/02/1996 |
| 4660777 | Apparatus for manufacturing flakes Method for the manufacture of flakes from chips and apparatus for carrying out the method. The worn, in use, blade portions of a strip-steel knife are exchanged continuously or periodically with sharp strip-steel knives during the flake manufacturing oper... | 04/28/1987 |
| 4629134 | Roll crusher A roll crusher for discarded storage batteries or other types of bulky scrap has two rotors provided with axially spaced-apart annuli of teeth which cooperate with rows of teeth provided on a grate normally adjacent to the undersides of the rotors. The gr... | 12/16/1986 |
| 4593862 | Method for the manufacture of chips from mineral, vegetable or embrittled materials and apparatus for carrying out the method Method and apparatus for the manufacture of chips from mineral, vegetable or embrittled materials. In the method the stationary wear plates and striking plates when worn from use are replaced during ball mill operation either continuously or periodically,... | 06/10/1986 |
| 4585547 | Method and apparatus for cleaning coal The present invention is directed to a method and apparatus for separating coal from impurities, which comprises a first and second tank including drag conveyor means and agitation means for the combination of saturating a raw mass containing coal and imp... | 04/29/1986 |
| 4366929 | Process and apparatus for grinding materials A process for grinding materials comprises driving a plurality of unground particles in a grinding zone in a predetermined direction, abruptly reversing the direction of motion of part of the particles in a subsequent grinding zone so that they impact wit... | 01/04/1983 |
| 4069980 | Process and apparatus for mechanical separation of a combination of meat and bone into useful fractions In known processes and known apparatus for mechanical separation of a combination of meat and bone into useful fractions, the combination is conveyed as by a screw through a screen, which constitutes a portion of an elongated cylindrical conduit, and soft... | 01/24/1978 |
| 4061277 | Shredder with grate cartridge A shredder for reducing scrap materials such as scrapped automobiles to pieces of a smaller size includes a shredder housing having an inlet and an outlet, rotary hammer means positioned in said housing, cutter means, means for rotating said hammer means ... | 12/06/1977 |
| 4025001 | Process and apparatus for the mechanical separation of a combination of meats and bone In a process and apparatus for the mechanical separation of a combination of meats and bone the material is conveyed by a feed screw through a conduit having at least a part of its wall formed as a separator screen. The screw moves the material between it... | 05/24/1977 |
| 4017034 | Art of dry milling sorghum and other cereal grains Properly tempered sorghum or other cereal grain is continuously metered by an auger in an axial direction into the center of the interior of a rotor where it is acted on by a flared textured cone to cause discharge into an independently rotating spreader ... | 04/12/1977 |
