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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 |
| 6117201 | Easily storable dust collecting container A dust collecting container includes an annular lower portion and an annular upper portion having a first circumferential wall interposed between first annular upper and lower ends to define a first columnar chamber of a first length in a first axial dire... | 09/12/2000 |
| 5525396 | Lid for a particle collector A molded plastic lid adapted to generally close off the upper open end of a container and adapted to enable separation of entrained particles from a stream of air for collection of the particles in the container. The lid is formed with circumferentially e... | 06/11/1996 |
| 5292005 | Apparatus for roasting coffee beans or the like An apparatus for roasting coffee beans or the like includes a controlled spinning bed or fluid bed roaster in combination with a cyclone separator for removing chaff from the heating medium. The cyclone separator is disposed above and in coaxial and abutt... | 03/08/1994 |
| 5215553 | Apparatus for separating particles from a gaseous medium This invention relates to an improved mechanical separator which is capable of continuous operation without clogging, which is capable of efficiently separating particulate material from a gaseous medium such as air in such a manner that the collected par... | 06/01/1993 |
| 4971518 | Radial fan with integrated dust separator In a radial fan suitable in particular for traction vehicles, 10-15% of the conveyed air quantity is diverted radially from the cooling-air path by guide devices (10) which at the same time serve as a separator; the main proportion passes to the coolers a... | 11/20/1990 |
| 4390426 | Centrifugal separators of the cyclone type The present invention relates to improvements in centrifugal separators of the cyclone type, in which the liquid or gaseous fluid to be purified passes through an inlet blading which is shaped so as to cause the fluid to whirl rapidly in so-called irrotat... | 06/28/1983 |
| 4244716 | Skimmer apparatus for centrifugal separators A skimmer is secured to the top of a cyclone separator. The skimmer includes an outer cylinder forming an extension of the conventional air exhaust duct of the separator and an inner concentric cylinder terminating within the lower end of the outer cylind... | 01/13/1981 |
| 4076508 | Debris separator for hot gas stream The disclosure concerns a separator for removing broken engine parts and other debris from the hot gases passing fro the exhaust manifold of an engine to the inlet of an associated turbocharger. The separator includes an annular separation chamber in whic... | 02/28/1978 |
| 4070168 | Inlet assembly for an oil separator The inlet assembly is mounted within a separator vessel and comprises a housing similar in shape to that of a snail shell. This housing has a generally spiral side wall closed in by top and bottom end walls. A feed pipe delivers pressurized crude oil tang... | 01/24/1978 |
