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JPS5262717A |
PURPOSE: A guide blade and a separating plate are respectively fixed to the opening port of the intake and discharge ports facing the air passage so that the noise located not only in a high frequency range, but also in a low frequency r...
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JPS5261812A |
PURPOSE: To reduce high frequency noise, by means of providing the resonance unit put between each of the silencer materials being installed to construct the air passage in the inlet and outlet side of the silencer room being provided ne...
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JPS5253512A |
PURPOSE: For piping of centrifugal flowers and like, inside and outside diameters of a flange constituting and air inlet or outlet, are formed in two or more steps, so that piping hoses can be easily connected and noise will be damped.
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JPS5241916A |
PURPOSE: A ducted blower with less air-leakage, provided on edges of the blade wheel with sealing projections to be cut by bolts screwed on the blade wheel casing for producing minute sealing gaps between the blade wheel and the casing.
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JPS5235612U |
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JPS5230906A |
PURPOSE: An eddy current blower adapted to prevent noises directly by applying sound-absorbing materials to the inner wall of the air-passage.
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JPS5220412A |
PURPOSE: To get wider usage by preventing blow-in of leakage air to the bearing part, with an air-blowing groove leading to the suction side provided on the joint wall of casing and impeller.
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JPS528508A |
PURPOSE: The leakage prevention of the high pressure fluid within the vortex type blower by the device to set elastic material in the gap between its casing and the impeller cover to improve its efficiency and to decrease vibration and n...
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JPS528510A |
PURPOSE: The installation of a specific style silencer chamber on the back of the stator to effectively reduce the noises, especially the noises in the low frequency area, of the vortex type blower.
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JPS528509A |
PURPOSE: The arrangement of the blades of a vortex type blower or other vortex type fluid machines at a certain inclination so as to prevent the fluid break away phenomenon and or the friction loss with the attainment of the decrease of ...
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JPS527007A |
PURPOSE: To provide an impeller which is easily produced and prevented from noise by being divided into a blade section and a shroud one between which is positioned a elastic member to form an unitary structure.
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JPS526206U |
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JPS52249B2 |
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JPS51148808A |
PURPOSE: A blower which has the most suitable air passage shape to attain high delivery pressure at few disharging volume.
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JPS51148707U |
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JPS5140282B2 |
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JPS5139687B2 |
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JPS51120411A |
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JPS51118107A |
PURPOSE: To obtaining two different current quantity and current pressure properties at a same time by esablishment of two blowers different in relative velocity on a driving axis of one motor, to reduce product cost and its weight.
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JPS51116414A |
PURPOSE: To couple an impeller and a driving shaft easily without using any key.
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JPS51115309A |
PURPOSE: To reduce compressor capacity by minimizing the flow loss in a vacuum tube and in the route from a compressor to the vacuum tube.
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JPS51124903U |
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JPS51123212U |
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JPS51101209A |
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JPS5195609A |
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JPS51102803U |
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JPS51102804U |
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JPS51102008U |
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JPS51102009U |
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JPS5187811A |
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JPS5186815A |
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JPS5194003U |
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JPS5194004U |
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JPS5191308U |
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JPS5173608A |
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JPS5170512A |
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JPS5175609U |
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JPS5123048Y2 |
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JPS5174806U |
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JPS5172209U |
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JPS5164603A |
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JPS5167410U |
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JPS5157010A |
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JPS5156004A |
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JPS5161505U |
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JPS5157308U |
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JPS5156612U |
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JPS5148811A |
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JPS5154311U |
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JPS5146420A |
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