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Matches 651 - 700 out of 1,270

Document Document Title
JP3651811
PURPOSE: To provide a pressure fluctuation absorbing device which can effectively absorb pressure fluctuation with pressure loss restrained low by a simple structure. CONSTITUTION: This pressure fluctuation absorbing device has a partiti...  
JP3650429
PURPOSE: To provide a pressure fluctuation absorbing device which can effectively absorb pressure fluctuation with pressure loss restrained low by a simple structure. CONSTITUTION: This pressure fluctuation absorbing device has a partiti...  
JP2005048904
To provide a method and device of reducing fluidity resistance which can reduce the friction resistance of a fluid by forming irregularity on the surface of an object and can maintain the performance for a long period of time.A porous la...  
JP2005024080
To provide a fluid streamline control device, easily manufactured and reduced in cost.This fluid streamline control device is formed of a plate material having a predetermined thickness, and provided with two or more ring-like spacers fo...  
JP2005024352
To perform efficient assembly by inserting a plurality of straightening devices into a tube for mounting by a single insertion operation, and to cope with the miniaturization of the straightening devices and a change in the specification...  
JP3638531
To provide a new fluid driving device and a fluid mixing device capable of easily realizing a fine size or a micro size of a passage for carrying out a driving or a mixing of the fluid and realizing a quantitative driving or mixing of th...  
JP3632075
To provide an obtuse headed object placed in a flow of fluid capable of preventing the occurrence and growth of a Karman voltex in a large scale and reducing a coefficient of resistance by blocking the flow of fluid generating along a su...  
JP2005003206
To provide an obtuse head object placed in a fluid stream and capable of reducing drag coefficient by stopping the fluid stream caused along the wake side front surface of the object according to the peeling of a boundary layer to preven...  
JP2005003534
To provide a flow regulating instrument having high measurement accuracy and reducing the process regarding the flow rate measurement, while being miniaturized.Flow regulating plates 14 mounted on a part of a flow passage 53 in a flow ra...  
JP3624043
To restrain the generation of peeling, the drop of a pump efficiency and the generation of cavitation and also prevent the suction of an air to a drainage pump at the low water level operation time, avoid the generation of a vibration, n...  
JP2004316685
To provide a flow passage unit and a layered part improved in mass productivity by eliminating a necessity of inserting straightening plates one by one, and to provide a manufacturing method of the layered part.A plurality of straighteni...  
JP3584704
To reduce the shaft power or to increase an amount of pressure rise made by a blower impeller for improving the efficiency of the blower, and in addition, improve a flow in a part nearby the impeller in a suction pipe for reducing a nois...  
JP2004190769
To provide a cylinder valve reduced in generation of noises when feeding water, and to provide a water supply device.This cylinder valve is formed by fitting a valve element having one or a plurality of openings in a side surface thereof...  
JP2004190768
To provide a cylinder valve reduced in the generation of noises when feeding water, and to provide a water supply device provided with the same.This cylinder valve is formed by fitting a valve element having one or a plurality of opening...  
JP2004183730
To mitigate fluid pressure pulsation generated in fluid fed by a diaphragm pump or the like.An inflow port (2) and an outflow port (3) are provided to a sealed vessel body (1). The inflow port (2) supplies fluid into the vessel body (1) ...  
JP3569888
To provide an orifice plate reducing the vibration of a pipe and noise caused by the vibration by dispersing the disappearing point of cavitation bubbles, namely, the restoration point of the cavitation in the flow direction of fluid. A ...  
JP3563009
To solve the problem in the conventional art that a wire mesh constitutes a great resistance to flow, and further that a space for attaching a structure such as wire mesh is hard to find in a device for preventing resonance of tube nests...  
JP2004162715
To improve performance of an exhaust diffuser for a gas turbine and a steam turbine.This diffuser 10 includes an opening 26 along a diffuser wall 22 for preventing or delaying separation of a boundary layer of a main flow. The opening 26...  
JP2004138115
To provide a piping damage preventing device for preventing erosion of piping on the downstream side due to jet currents emitted from a pressure reduction valve.In this piping damage preventing device, a deflecting means 30 is disposed o...  
JP2004105511
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 which...  
JP2004093169
To provide a flow straightening unit securing reproducibility of fluid flow by integrally attaching a plurality of flow straightening elements installed upstream of a flow velocity sensor of a flow meter to straighten the fluid flow, and...  
JP2004093170
To provide a flow straightener capable of securing stable accuracy by preventing plugging of a flow straightening element even if using a detecting part of a flow meter in environment of much dust.This flow straightener 4 comprises a plu...  
JP2004093394
To provide a pulsation absorption structure of an electronic gas meter capable of reducing an influence of pulsation, and reducing flow rate dispersion, to thereby contribute to stable flow measurement.A flow straightener 1 including str...  
JP2004068611
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...  
JP2004069061
To prevent forming of a back flow region in a central part of back wash vortex even when flowing condition changes.The present invention provides a vortex generator in a flow channel for passing fluid and a method for controlling back wa...  
JP3527280
PURPOSE: To form an extremely short mixing channel with a small pressure loss, by arranging a plurality of vortex generators side by side, by having the height of the vortex generators to be a predetermined rate of the height of the chan...  
JP3527278
PURPOSE: To obtain a method for achieving thorough mixing of combustion gas and fuel within a shortest distance while keeping a uniform velocity distribution in the mixing region. CONSTITUTION: In a fuel supply system with premixing comb...  
JP3522544
To control a flow rate with high precision by means of the same orifice against various kinds of fluids and flow rate ranges and to vary the kinds and ranges by opening/closing a control valve so as to permit a control signal being a dif...  
JP3522861
PURPOSE: To provide a pressure fluctuation suppressing device which can absorb and suppress the considerably large pressure variation without generating the remarkable reduction of the gas transport faculty and without increasing the arr...  
JP2004036784
To provide a drift prevention device capable of changing a three-dimensional main flow with a drift to a two-dimensional flow by eliminating the drift even if there is a constraint to an allowable pressure loss.This drift prevention devi...  
JP2004033982
To provide a flow straightening apparatus for improving an exhaust gas desulfurizing effect and a flue gas desulfurization apparatus provided with the flow straightening apparatus.This flue gas desulfurization apparatus 10 is provided wi...  
JP2004019844
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. The...  
JP3509651
To enable reduction of an aerodynamic ambient noise by seeing to it that a side entrance of high-speed vehicle and stagger parts of window that is dented inward from side surface of car body are made oval arc that has a long distance dir...  
JP3510143
To provide a column member with a drag reducing function for surely reducing a shape drag (pressure resistance). On a shaft 4, the air flows around the circumferential face relatively. In the shaft 4, a projection part 5 is formed only i...  
JP2003315116
To effectively prevent the breakage of a sensing part for measuring a flow rate of air provided in a passage for introducing and passing the air to be measured due to the collision of particles contained in the air to the sensing part.Th...  
JP2003307445
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 const...  
JP2003301811
To provide a flow straightening device capable of restricting the turbulent flow of fluid or peeling of a wall surface generated in an enlarged passage, achieving the reduction of noise and equation of a flow speed distribution at an enl...  
JP2003301812
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 provid...  
JP2003270022
To provide a straightener in which respective units constituting the straightener are easily integrated, which is mounted easily onto a flow channel and effectively prevented from a rattle.The straightener 1 is constituted of an outer fr...  
JP2003270021
To provide a straightener, whose measurement accuracy is high and which reduces the processing operation regarding a flow measurement is spite of being of a small size and to provide a gas meter.A first mesh 15A and a second mesh 15B are...  
JP2003270023
To provide a straightener which is easily mounted and reduced in rattle over a long period even after it was mounted.Triangle pole-shaped ribs L1 to L3, L11 and so on extended nearly parallel in their mounting direction to a straightener...  
JP2003269417
To provide a straightening mesh unit and a fixing method of the straightening mesh, wherein a mounting state of the straightening mesh is uniformly kept by simple constitution and method, and the straightening mesh is surely fixed to the...  
JP2003246449
To provide a transport orifice and a method of transporting resin pellet, using the orifice that can prevent the pulsation of resin pellet and a lowering of resin pellet transport capacity in gas-transportation of resin pellet.This orifi...  
JP2003223472
To shorten a calculation time by reducing the freedom degree of a differential equation necessary for the calculation.A fundamental equation and boundary conditions considering nonlinearity, viscosity, and compressibility of a flow are d...  
JP2003194018
To provide an elbow with built-in straightening guide vanes achieving a uniform flow with identical flow velocity distribution after passing through the straightening guide vanes, and a cavitation tunnel having the elbow with the built-i...  
JP3432460
To provide a water saving device having higher water saving effect and easier to use than a water-saving block. This jet injection type flow regulating device 1 installed in a flow path of a water supply faucet part comprises a dam chamb...  
JP3426675
PURPOSE: To promote diffusion of energy, temperature, concentration and reduce pressure loss by composing a lattice element of two opposed triangular plates of squiare pyramids arranged on upstream and downstream sides of flow, dislocate...  
JP2003126665
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 r...  
JP3408377
To provide an air mixed jet pump in which the positive and stable work amount can be easily calculated, by forming an air layer forming tube into an about straight tube having the larger diameter than that of an injection nozzle, and for...  
JP2003072692
To smoothen a flow of air flowing along an outer wall of a body tip center part of an aircraft or a rocket by generating a swirl in relation to the air flowing along the outer wall of the body tip center part, and to smoothen a stream of...  

Matches 651 - 700 out of 1,270