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Patent Searching and Data


Matches 451 - 500 out of 630

Document Document Title
JPS60171439U  
JPS60149895U  
JPS60122585U  
JPS60135686A  
JPS60132090A
PURPOSE: To prevent cavitation of a two-stage water sealing pump and improve its performance, by forming a side of the first stage in a port cylinder type while a side of the second stage in a port plate type. CONSTITUTION: A port cylind...  
JPS60108583A  
JPS6066889U  
JPS6062684A
PURPOSE: To reduce water in chamber, by providing an ejector between a chamber to be exhausted and a water sealing pump thereby flowing inert gas containing less water than that contained in the atmosphere into the ejector. CONSTITUTION:...  
JPS6060292A  
JPS6023285U  
JPS603292U  
JPS5950878B2  
JPS59182688U  
JPS59213989A
PURPOSE: To eliminate biological troubles such as, for example, clogging of a pipe due to adhesion of microorganisms and lowering of water-tightness of a water-tight vacuum pump, by filling ozone into water-sealing circulating water to s...  
JPS59165985U  
JPS59165986U  
JPS59101595A  
JPS5919834Y2  
JPS5993984A
PURPOSE: To prevent abnormal rise of air pressure in an air-water separator device likely to occur as a result of misoperation of a valve, by furnishing a lead rupture plate, for releasing a large amount of air by means of rupture of its...  
JPS5949388A
PURPOSE: To operate with a compression ratio capable of obtaining a desired suction pressure by increasing or decreasing the quantity of sealing water by means of flow adjustment. CONSTITUTION: The compression ratio of a water sealed vac...  
JPS5940593U  
JPS595195Y2  
JPS595799B2  
JPS5856393Y2  
JPS58195092U  
JPS58165289U  
JPS58170890A  
JPS58160586A  
JPS58139596U  
JPS58137884U  
JPS58113894U  
JPS58122391A  
JPS5827110Y2  
JPS5875991U  
JPS5879687A
PURPOSE: To reduce the affect of corrosion to an impeller due to the cavitation of hydraulic water and as well to simplify the manufacturing of the pump, by forming the impeller with a plurality of axially divided sections, and by enabli...  
JPS5870496U  
JPS5879686A
PURPOSE: To provide blades each having a high degree of accuracy in its area for reducing flow resistance, by integrally stacking sheet plates which are punched, in the axial direction of the pump for forming an impeller. CONSTITUTION: P...  
JPS5857590U  
JPS585495A  
JPS582494A
PURPOSE: To obtain a high performance by rotating the sealing liquid forming a cylinder at approximately the same speed with a jacket and an impeller so that the sealing liquid is not stirred by the impeller and no swirl is generated in ...  
JPS57200695A
PURPOSE: To reduce the amount of chemicals used for generating SO2 gas, by reusing sealing liquid by connecting an inlet port and an outlet port for the sealing liquid of a pump via a circulating passage, and reducing the difference of t...  
JPS57179398A  
JPS57168083A  
JPS57145792U  
JPS57144289U  
JPS57144290U  
JPS57142192U  
JPS5735653Y2  
JPS5734474B2  
JPS5727318B2  

Matches 451 - 500 out of 630