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JP2007170663 |
To provide a gas flow wall face friction resistance reduction device to reduce gas flow wall face friction resistance and a reduction method of the gas flow wall face friction resistance to provide a device which can reduce the air flow ...
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JP3969261 |
To provide a dryer for suppressing a noise without especially complicating a configuration in a nozzle part, causing new energy loss, and causing wind roar. The dryer includes: a blow fan; a driving source for the blow fan; a nozzle whic...
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JP3964349 |
To provide a method for significantly reducing resistance of fluid against an objects existing in the fluid compared with a conventional method and largely improving a flow condition of the fluid. In the surface working body relatively m...
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JP2007113599 |
To provide a diffuser for a fluid control valve capable of more surely suppressing or preventing generation of cavity and suppressing decrease of maximum flow rate and the fluid control valve.The diffuser 31 for decreasing flowing speed ...
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JP3938394 |
To provide an ejector which can provide sufficient vacuum even when air supply pressure is decreased. This ejector is provided with a nozzle 3 and a diffuser 4 on an extension of an air supply duct 11 through which high pressure air is s...
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JP3932347 |
To provide a vortex generator capable of generating a vortex most suitable for the state of stream in the case where separation restraint is required, and actively controlling so as not to generate the vortex in the case where no separat...
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JP3922078 |
To provide an ultrasonic flowmeter improved in measuring precision and miniaturized by eliminating a drift generated at a curved part or a sectional area reduced part of the flowing passage near a control valve. The flow meter is so cons...
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JP2007024309 |
To provide a gas swirl generator capable of inducing swirl with reduced turbulent flow.An apparatus for injecting gas into a vessel is disclosed. The apparatus may include a gas flow duct 31 and a central body 33 within a forward end reg...
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JP2007016958 |
To reduce refrigerant passing sound in a motor-operated valve for controlling the flow of a refrigerant.A valve body 10 of the motor-operated valve 1 has an orifice 12, a valve chamber 14 and a refrigerant passage 16. An output shaft 60 ...
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JP2007002932 |
To suppress the occurrence of the vibration of a structure produced by an alternating swirl by suppressing the alternating swirl easily formable against the structure and produced on the downstream side of the structure disposed in a flu...
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JP2006300235 |
To effectively reduce resistance of flow by inhibiting separation of jet flow from a wall in wall jet flow and reducing disordering of flow.A vane is mounted on a position of a prescribed distance from the wall on which the wall jet flow...
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JP3850945 |
To guide the flow of fluid by providing a dependent body which is arranged along the center axis of a streamlined body in the rear of the terminal end part from which the flow of fluid flowing along the body, and which is provided with a...
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JP3809968 |
To prevent occurrence of an abnormal noise when fluid is stopped, by arranging one or a plurality of jet orifices on and/or around a virtual Y axis which identifies a middle projection as an origin on the basis of a small projection and ...
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JP2006138516 |
To provide a rectifying device and a cooling device capable of equalizing distribution of a flow rate even in an enlarged passing area where flowing-in fluid is passed in a state that its cross-section is gradually enlarged.In this recti...
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JP2006125575 |
To equalize (uniform) blowing of air.A by-path passage 30 spatially communicating an outer wall part of a first duct part 10 with an outer wall part of a second duct part 20 is provided on the internal angle sides of bent parts in the fi...
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JP3783883 |
To provide a valve capable of decreasing the speed at which a valve is closed by a mechanical means without using an electric means such as a stepping motor. A valve rod 6 penetrates a valve element 5, and the tip is extended to the vici...
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JP3782841 |
To miniaturize a diffuser, and also to efficiently produce a rising flow by arranging a water suction part on the upper part of compressed air introducing part so that water can be introduced both from the horizontal direction and from t...
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JP3781735 |
To provide a flow straightening device capable of controlling the flow direction of fluid after flowing out. A space 25 is formed in the back of each wall surface on the passage inlet side of an enlarged tube 2, and a shutter 26 is provi...
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JP3774760 |
To realize a vortex ring device suitable for generating and accelerating a fluid current by inducing flow of the fluid, with respect to the vortex ring device for inducing the flow of the fluid such as air and water. This vortex ring dev...
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JP2006055620 |
To provide a cyclone dust collector capable of reducing noise simultaneously with reducing a pressure loss caused by a turbulent flow generated in an exhaust process of purified air.This cyclone dust collector includes a cyclone body hav...
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JP2006037672 |
To put a water-saving flow discharged from a faucet in the stirring state, to align the center of a water-saving piece with the center line of an opening of a city water tap, and to prevent the water-saving piece from being vibrated due ...
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JP2006029461 |
To provide a frictional resistance reducing unit capable of effectively reducing frictional resistance generated on a contact face between an object and the liquid.This frictional resistance reducing unit is used for reducing the frictio...
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JP3763521 |
To provide a microbubble generator having a simple structure, and high application characteristics, and efficiently generating microbubbles. The microbubble generator comprises a pressurized liquid feeding hole 2 to near the bottom of a ...
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JP2006022937 |
To provide fine conical-shaped protrusions which solve the problem that moving objects including aircraft, marine vessels, railroad vehicles, and automobiles which generally require a streamlined and smooth shape have difficulties in eli...
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JP2006009976 |
To provide a device for reducing friction resistance which is increased during transition from a laminar flow boundary layer to a turbulent flow boundary layer by introducing small irregularities such as scales on the surface of a fisher...
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JP2005325921 |
To perform active control to generate the optimum vortex according to the state of flow when separation restraint is required and not to generate vortex when separation restraint is not required, without a plurality of pores in the wall ...
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JP2005315261 |
To provide a turbulent flow intensifying mechanism on the lower surface at a reversed portion of the tip end of a cooling passage in a closed circuit vapor cooling type turbine blade.The turbine blade (10) includes a shank portion (12), ...
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JP3733605 |
PURPOSE: To minimize abnormality of a hydraulic control valve by which an ordinary system is influenced, in a hydraulic system wherein a plurality of hydraulic control valves being different in a control liquid pressure range are connect...
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JP2005299765 |
To provide a sheet capable of being adopted without remodeling it as a surface layer of various moving bodies and reducing friction resistance on the surface of the moving body caused by action of fluid.This friction resistance reducing ...
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JP3725846 |
To solve a problem wherein an air volume loss is generated when an inner diameter of a wind tunnel part is narrowed, a pressure loss is generated and noise is generated when an attaching part generates a vortex flow because the attaching...
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JP2005263194 |
To provide a wing and a rotary vane generating larger buoyancy.The wing and the rotary vane are penetrated through a wing surface or between both surfaces of a rotary vane surface and made to unilaterally or relatively flow.
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JP3717389 |
To provide an excellent intake pipe by contriving ways to reduce the pressure loss of an air flow even when the intake pipe has a diffuser shape with a noise suppression effect. The intake pipe, having a diffuser part which starts from a...
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JP2005240889 |
To provide non-steady analysis device and method for dramatically cut time for conversing a solution of a simultaneous equation in which a non-steady behavior of incompressible fluid is described, and to provide a computer program, and r...
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JP3714722 |
To provide a break-away suppressing means which does not require a large-scale improvement of an air frame structure, the means preventing a break away of a stream at a place where a disorder of air stream is drastic. A small piece 5 is ...
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JP3710587 |
To provide a gas injection head by which a raw gas and an oxidizing gas are efficiently mixed at appropriate timing. This gas injection head for uniformly distributing a raw gas and an oxidizing gas through the many holes provided to a f...
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JP3707242 |
To improve the fuel consumption of a vehicle (engine) without generating a rise of the manufacturing cost of a compressor (freezing cycle). This compressor is mechanically interlocked with a differential pressure Δp in a first orifice 1...
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JP2005213045 |
To provide an apparatus of simple structure by improving an apparatus of the type provided with a throttle section arranged between an inlet and an outlet regarding an apparatus for generating throttled blowing air or suction air.The thr...
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JP3699812 |
To provide a device for feeding, transferring and/or storing the fluid by reducing the filling time of a storage container by making use of a sound velocity nozzle, and demarcating an orifice of a device in which a throat part of the sou...
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JP2005172209 |
To reduce the power for driving a system by injecting, adding, or mixing an aqueous solution in which aspergillus is cultivated in a transported liquid, for a reduced turbulent flow friction of the liquid, in coping with a frictional pre...
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JP2005155884 |
To provide an orifice body for decompression and a valve capable of sufficiently reducing cavitation action.This orifice body for decompression is mounted in a pipe where the fluid flows, has at least one through hole, and allows the flu...
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JP3685673 |
To earn an excellent reputation in pressure loss, flow burble, and a flow balance related to a flow path branching off from a midpoint, and to prevent breakage and falling off of a heater element even if using an existing air heater, in ...
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JP3686748 |
To attain pressure flow control of high accuracy by providing an inlet tapered part, a short throttle parallel part, a short tapered part and a parallel diameter-enlarged part continuously in this order. An orifice for a pressure type fl...
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JP2005150749 |
To provide a velocity field conversion device of a nozzle capable of achieving highly efficient cooling effect by improving the distribution of the velocity field of air blown off from the nozzle and uniformly distributing an air flow wi...
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JP3679183 |
To eliminate the damage due to foreign matter in a gas flow and to obtain the durability over a long period of time in a gas flow passage of an internal combustion engine or the like by providing a flow direction changing means for direc...
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JP2005121209 |
To provide a fluid passage switching element which materializes an in-fluid free moving body with high kinetic performance, an in-fluid free moving body and an attitude control method of the in-fluid free moving body.Output ports 23a, 23...
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JP3668959 |
To facilitate the manufacture with a simple structure by providing first and second conduits larger in diameter than a capillary and allowed to communicate with both ends thereof, making the capillary inner wall surface lyophobic, and op...
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JP3670825 |
To provide an air conditioning outlet grill capable of increasing the quantity of circulating air without increasing the air outlet opening area of the outlet grill and consumed power or noise. A multiple-perforated plate 2 has a plurali...
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JP2005090745 |
To save a structural space of a device and to achieve superior damping characteristics with a constitution of low cost by improving a conventional device for damping the pressure pulsation.This damping device 18 for damping the pressure ...
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JP3659935 |
To provide a flow straightener trimming the flow of fluid into a stable state without increasing the pipeline length. This flow straightener 10 is constituted of an obstruction part 11, an intermediate part 12, and an outflow part 13. Th...
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JP3656308 |
To enhance flow straightening and water dropping prevention effects after stoppage of water at a low price by folding and bending an elastic belt-like metal member into a corrugation, and yet fitting inner and outer straightening members...
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