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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 |
| 5867974 | Opening device for an open-end spinning machine In the case of an opening device for an open-end spinning machine, the rotating opening roller is arranged in a housing with a prevailing vacuum and has one front side which is exposed to the free atmosphere. In the area of this front side the opening rol... | 02/09/1999 |
| 5782075 | Apparatus for wire stranding and control thereof Apparatus and process for the production of stranded wire from copper wire, whereby the stranded wire is wound upon a spool by means of a transfer mechanism. A control arrangement is provided, which regulates the rotation of the spool, the motion of a tra... | 07/21/1998 |
| 5740666 | Method and system for controlling the rotational speed of a rotary ring member The present invention provides a unique method and system for automatically controlling the motion of a rotary ring twisting and winding device, provided with a rotary ring member rotatably mounted on a holder by way of a bearing mechanism, which is utili... | 04/21/1998 |
| 5694757 | Control system for a spinning machine A spinning machine has a third guide eye rail, a third balloon-confining ring rail and a traveller ring rail each of which may be operated by a flexible member from a windless drum and the latter can have an electric motor drive. According to the inventio... | 12/09/1997 |
| 5619849 | Method and apparatus for producing randomly variegated multiple strand yarn in twisting together at least two yarns and yarn and fabric made by said method A method and apparatus for producing randomly variegated multiple strand yarn in twisting together two or more yarns at a plurality of yarn twisting stations. At each station a pneumatic twisting head is disposed in which randomly turbulent air currents a... | 04/15/1997 |
| 5259179 | Device for stopping bobbin rail of flyer frame at a desired position When a full bobbin signal from a counter CCM counting the number of rotations of the front roller (3) is output, the control element (28) outputs a signal directed to the control motor (M2) of a unit (29) for reciprocating a bobbin rail (10). As a result,... | 11/09/1993 |
| 5115632 | Ring spinning machine and method of operating a ring spinning machine A method is described of operating a ring spinning machine in which the traversing motion of the ring rail is generated by means of a heart-shaped disc. For the execution of specific functions which depend on the angular position of the heart-shaped disc,... | 05/26/1992 |
| 4944143 | Speed control means and apparatus for a repeatable material processing apparatus The invention provides a means of controlling the speed of operation of a material processing apparatus, such as a ring spinning machine in a textile mill. The purpose of the invention is to allow high speed processing, while maintaining a high quality pr... | 07/31/1990 |
| 4531353 | Method and apparatus for spinning yarn under constant tension A spinning frame 10 is disclosed for processing a strand at a varying strand movement speed to produce a strand processed with uniform tension. The spinning frame includes a motor 21 and a planetary gear box 30 which operates as a differential having firs... | 07/30/1985 |
| 4467592 | Method and apparatus for controlling the roving take-up tension in a roving machine Described is a bobbin lead roving machine in which target r.p.m. values for the bobbin are found in advance for each of arbitrarily selected numbers of the layers of the roving taken up on the bobbin and are stored in a micro-compouter, there r.p.m. value... | 08/28/1984 |
| 4467593 | Method and apparatus for automatically controlling winding tension of a roving in a roving machine A method and an apparatus for automatically controlling the winding tension of the roving in a bobbin lead roving machine is disclosed. The mean bobbin winding diameter DB, bobbin r.p.m. NB and the flyer r.p.m. NF are meas... | 08/28/1984 |
| 4389838 | Single-twist stranding A single-twist stranding machine includes a stranding disc and nipple for stranding together a plurality of filaments, wires, conductors or the like, a rotatably mounted take-up spool onto which the stranded-together elements are wound, a flyer coaxial wi... | 06/28/1983 |
| 4359858 | Method of and apparatus for winding a filament onto a bobbin A yarn-body core is supported by an upright spindle adjacent a vertically displaceable yarn guide through which a yarn to be wound passes to the core. The core and spindle are rotated and simultaneously the guide is displaced upwardly along the core to wi... | 11/23/1982 |
| 4316357 | Method and device for winding yarn onto bobbins in the form of cones in spinning frames The method for winding yarn in the form of a cone onto a bobbin carried by a spindle in a spinning or twisting frame consists in passing the yarn to be wound through a traveler mounted on a revolving ring, in lifting and lowering the ring cyclically aroun... | 02/23/1982 |
