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JPH0811794A |
PURPOSE: To dispense with the control angle change of an aircraft even in the case of the airframe weight being changed by the presence of exterior equipment. CONSTITUTION: External equipment 5 is mounted in close contact in the position...
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JPH07506318A |
A lifting body moves relative to a fluid, thereby creating a vortex field in the fluid downstream of the lifting body. The lifting body has a predetermined lift distribution along the length thereof which enhances the velocity component ...
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JPH07117794A |
PURPOSE: To reduce a noise by controlling a change in pressure in fluid in the rear of an object by arranging a stream lining body in a rear end part of the object so as to run in the fluid flowing direction. CONSTITUTION: A shape of a r...
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JPH0747998A |
PURPOSE: To provide a helicopter that is able to reduce an adverse effect of downwash due to a main rotor in the case where those of sufferers existing on the ground or on the water are rescued into the helicopter with a hoist. CONSTITUT...
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JPH06509296A |
PCT No. PCT/GB92/01396 Sec. 371 Date May 25, 1994 Sec. 102(e) Date May 25, 1994 PCT Filed Jul. 28, 1992 PCT Pub. No. WO93/02915 PCT Pub. Date Feb. 18, 1993.A wing, or similar article of airfoil section, has a variable geometry surface fo...
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JPH06241213A |
PURPOSE: To apply this method to various aspects by introducing a broad spectrum stochastic external disturbance into a medium, and disturbing coherence of a flow place by concentrating a great part of external disturbance power in a wav...
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JPH068887A |
PURPOSE: To improve the hovering performance and reduce vibration and noise by installing vanes and small blades which can be easily projected and retracted, at the upper part of the body of a helicopter. CONSTITUTION: The electric signa...
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JPH05509274A |
This invention outlines excitation means to transform the linear momentum of an underwing energized jet into rotational form in a selective manner to provide an asymmetric shear layer to increase compression wave reflection from the forw...
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JPH0580997U |
An elongated body has a rounded and symmetrical profile. The profile defines a rounded and elongated leading portion (110a) whose thickness increases from the front to the rear and a rounded trailing portion (110b) whose thickness decrea...
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JPH05278691A |
PURPOSE: To provide the reducing agent of a resistance (aerodynamic resistance to drag or forward) due to the adding effect of a phenomenon generated on a surface such as a turbulent flow, ice coating, and contamination due to outer mate...
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JPH05187960A |
PURPOSE: To suppress noise by the destroy of vortex by providing a plate having a length sufficiently extending to a downstream side from the rear end of a vortex flow generating part and being higher than the centerline of the vortex. C...
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JPH05155388A |
PURPOSE: To reduce wing tip vortices and to recover and utilize their energies by providing a windmill body which has a rotation shaft located almost parallel to a wing surface as well as almost parallel to an airframe shaft when seen as...
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JPH0540877U |
[Purpose] From the flow pattern obtained by the oil flow method, the difficulty of quantification into data and the complexity of the multipoint measurement process seen by the flow velocity measurement method are improved, and the avera...
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JPH0525200U |
[Purpose] For the on-board module structure that deploys on-board equipment for unmanned aircraft and guided flying objects, it provides a function to cool the on-board equipment without using a blower and eliminate the influence of airc...
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JPH0516892A |
PURPOSE: To check a separation phenomenon as well as to improve any installing and unstable phenomena by controlling the separation with a vortex generator, shifting and adjusting a position to a body surface bordering a flow, on the bas...
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JPH0454079Y2 |
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JPH04325395A |
PURPOSE: To adjust the dihedral angle effect during a flight by providing a positive/negative dihedral angle effect generating means at the wing end, and providing an operating means capable of operating the dihedral angle effect generat...
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JPH04310498A |
PURPOSE: To prevent an engine trouble by preventing the occurrence of reflux between a helicopter and the ground in case of hovering near the ground. CONSTITUTION: A movable vane 22 or a movable side portion is provided under a fuselage ...
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JPH0437839Y2 |
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JPH0492194U |
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JPH04121298A |
PURPOSE: To prevent peeling of the air stream on a vertical tail wing and obtain an airplane with no sag section of the yawing moment even when the angle of sideslip is large by providing flaps or gas blowoff devices on the tail wing, an...
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JPH04118397A |
PURPOSE: To improve the extent of ameliorations in both lift and pitching moment characteristics, etc., by installing an actuator and a power plant moving a fence, and making this fence operate so as to be projected over a wing surface a...
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JPH04108095A |
PURPOSE: To decrease resistance of an aircraft in all the flight ranges by providing clearances so that a gas flow, having a required longitudinal width, can be blown toward a required direction of all the ranges containing upward, sidew...
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JPH04103495A |
PURPOSE: To ensure characteristics such as aileron steering effect and the like by arranging protrusions generating vortexes for preventing separation so as to be capable of being protruded from a rear surface, and enabling the height of...
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JPH0495600A |
PURPOSE: To reduce a fuselage leeward separation area and lighten the extent of cross-wind resistance as well as to make the effectiveness of a flap and so on by installing some through holes installed in making the atmosphere flowable t...
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JPH0478793A |
PURPOSE: To improve the effectiveness of a rudder face, namely the flap of a high lift device or aileron, an elevator and a rudder which serve as a steering rubber face by providing a partition extending from the upstream side to the dow...
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JPH0466395A |
PURPOSE: To reduce the performance deterioration of an aircraft due to the existence of pylons by providing a means for blowing air off backward from the rear end of the pylon, a splitter plate extended backward from the rear end of the ...
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JPH0411800U |
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JPH043360B2 |
New flight motion concept. It consistsof a decrease of the front pressure of helicoplanes to lower thanthe downstream separation zone pressure. So helicoplanes are pushed forward by atmospheric air instead of being dragged as conventiona...
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JPH0415197A |
PURPOSE: To control a dynamically interfering effect of a rear wing with the trailing vortex of a front wing so as to improve the aerodynamic characteristics of a missile by providing an opening area with a variable slit on the rear wing...
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JPH048698A |
PURPOSE: To reduce fluid resistance and increase the speed of an object moving in a fluid and reduce fuel consumption by sticking a fin made of a flexible material to the rear end portion of the object, which end portion is oriented in t...
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JPH03287493A |
PURPOSE: To reduce the vertical force generated on a missile main body by providing multiple holes on the outer plate of the missile main body around the axis of the missile main body, and communicating the mating holes respectively. CON...
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JPH03287494A |
PURPOSE: To reduce the aerodynamic drag for an airframe by fitting rectifying devices, which are brought into contact with the backward step of a missile at their front end sections, are extended backward in the air current direction per...
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JPH03125698U |
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JPH0396298U |
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JPH0310560B2 |
A wind-mounted gas turbofan engine 10 is provided with a bypass exhaust system that reduces airflow drag during subsonic aircraft flight operation by first, inwardly curving the exhaust system exit 28 to turn the bypass flow away from th...
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JPH02293298A |
PURPOSE: To improve a drag ratio at times of low lift and low elevation together with at times of high lift and high elevation as well as to reduce a housing space by making a cant angle of a winglet of a main wing variable. CONSTITUTION...
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JPH02241895A |
PURPOSE: To improve comfortableness to ride during a low-altitude flight under conditions that a gust easily occurs by extendably providing a small wing at the front lower position from the main wing of the fuselage of an aircraft perfor...
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JPH02501213A |
A basic airfoil has its operating performance improved by incorporating one or more apertures in the airfoil adjacent its trailing edge. These apertures (24) extend from the upper surface (18) of the airfoil down through to the lower sur...
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JPH0232000A |
PURPOSE: To make it possible to generate lifting force without any break away until a large angle of incidence, by arranging many small dents on a wing surface, for generating vortex by dents and giving energy to a flow along a wing. CON...
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JPH0211495A |
PURPOSE: To prevent generation of turbulence and noise by disposing a flow control member at the upstream side of an opening in the surface of substance along which air flows, and forming the member, with a space, of a plurality of flow ...
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JPH01285492A |
PURPOSE:To eliminate or weaken the vortex of a wing tip by generating the vortex rotating in an opposite direction to the vortex of the wing tip, to reduce an inductive resistance, to attain a high speed and to save a fuel consumption by...
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JPH01237293A |
PURPOSE:To reduce air resistance to which a body is subjected by jetting out part of propelling high-temperature gas discharged out of the power device in the body to the outer periphery of the body from minute holes on the outer surface...
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JPH01122784A |
PURPOSE: To lower the base resistance while preventing the generation of peeling of a boundary layer in a flowing direction in a moving body having an unstreamlined downstream end by arranging a plate member continuously provided with pl...
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JPH01101296A |
PURPOSE: To reduce noises and circulating loads induced by a pylon supporting a pusher propeller, by decreasing the wake produced by the pylon. CONSTITUTION: In one type, a freely adjustable flap 40 which rotates about a point 42 is adde...
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JPS6448398U |
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JPS6410800U |
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JPS641699A |
PURPOSE: To easily obtain high lift through increase in a pushing-up force from under by providing a shock wave generating device on a lower face of a flying object flying in a supersonic zone and by obtaining the high lift through press...
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JPS63301199A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS63148599U |
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