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Patent Searching and Data


Matches 551 - 600 out of 633

Document Document Title
JPS5546099A  
JPS5537565A
PURPOSE: To devise to lighten the weight, minify the size, shorten the processing time, and simplify the assembly of a water ring pump by forming an outer cylinder over an inner cylinder to be in one body with its centre accorded with th...  
JPS558679B2  
JPS5525138U  
JPS5523492U  
JPS5523491U  
JPS5523493U  
JPS5519989A  
JPS5517618A
PURPOSE: To prevent the counterflow from a stopped vacuum pump equipped with an air ejector to a running vacuum pump and the freezing of the nozzles of the ejectors, by raising the closing speed of system valves. CONSTITUTION: Each water...  
JPS5514911A
PURPOSE: To minimize a bearing part for small-sizing the whole body of a pump by arranging various bolts almost on the same circle, and to adapt these various bolts for fine adjusting in the axial position of a runner easily by the opera...  
JPS554554Y2  
JPS553558B1  
JPS555427A
PURPOSE: To make a good efficiency obtainable, with a state of overcompression and reverse flow compression prevented at the full operation vacuum, by means of installing an elastically flexible plate-shape valve unit, big enough for ful...  
JPS555428A
PURPOSE: To prevent the pump from overcompression and reverse flow compression, further to prevent the valve unit from deterioration, by installing an elastically flexible plate-shape valve unit to the delivery port of the pump as well a...  
JPS54163417A  
JPS54163418A  
JPS5437690B2  
JPS5437693B2  
JPS54159413U  
JPS54126109U  
JPS54126110U  
JPS54126111U  
JPS54126209U  
JPS54109109U  
JPS5410364B2  
JPS5456213U  
JPS5450209U  
JPS5420418A  
JPS541922B1  
JPS5372807U  
JPS5360105U  
JPS5323927U  
JPS52153218A
PURPOSE: To control vibration, abrasion and reduction of in-take air generated by existence of liquid filled in a vacuum pump, by making an escape seat very near a fixed discharge port of casing and connecting with it an escape piping ha...  
JPS52148811A
PURPOSE: To wash a liquid-sealed vacuum pump easily as well as reliably by operating the pump while supplying a small amount of air into the suction port, with a seallant liquid being fed and a drain hole kept open.  
JPS52162511U  
JPS52147312A
PURPOSE: To provide a simple configured device for eliminating air permeation thru the packing be feeding directly the high pressure seal water on the back side of the packing section located in the casing independently of feeding the se...  
JPS52159410U  
JPS52129007A
PURPOSE: To make a check valve at a discharge port of a liquid-filled type vacuum pump easily detachable for maintenance, by using a unitary valve holder inserted and fixed with fitting bolts.  
JPS52129008A
PURPOSE: To pordue a easily detachable and maintainable check valve, by forming a unitary check valve unit combining a valve holder with an inspection cover.  
JPS52139518U  
JPS52139517U  
JPS52122907A  
JPS52109611A
PURPOSE: To be capable of change-over use in accordance with high or low degree of vacuum, two pumps chambers are contained to be capable of switching interactive series or parallel connection in a pump.  
JPS52109612A
PURPOSE: To carry out simply to install, reducing a number of flanged cnduit pipes to be connected, dividing pump chamber into two parts, installing suction and discharge portions at the middle.  
JPS52119507U  
JPS52119506U  
JPS52119505U  
JPS52106108A
PURPOSE: To obtain vacuum pump without neccessity of cast molding of frange part in connecting pipe and cover and to simplify piping by mounting suction and delivery connecting pipe swing free in pipe fitting hole made at casing with pro...  
JPS5225563B1  
JPS5259307A  

Matches 551 - 600 out of 633