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Patent Searching and Data


Matches 301 - 350 out of 629

Document Document Title
JPH0717830Y2  
JPH0730746B2  
JPH0726626B2  
JPH0777183A
PURPOSE: To provide a mechanical compressor system in which a compressed gaseous conveyance medium is cooled to a process-compatible temperature with only a low energy demand and little additional expenditure for installation. CONSTITUTI...  
JPH078863Y2  
JPH078866Y2  
JPH0710491U
[Elements of the Invention] In a lateral surface of port plate 8 which counters a discharge part, termination part 15b of discharge port 15 in the hand of cut of an impeller does not carry out an opening, but it makes shape which carries...  
JPH0742674A
PURPOSE: To enable the smooth, continuous transfer of liquid without the agitation of liquid and contact with a driving face by moving magnetic spherical bodies magnetically attracted to a magnetic moving device, in concentric circle in ...  
JPH0711279B2  
JPH076510B2  
JPH071036B2  
JPH06105078B2  
JPH06105077B2  
JPH06509622A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH0663890U
[Objects of the Invention] 封水 of a deaeration device 用水封 type vacuum pump is supplied from a feed water line, and the mechanism which refluxes used 封水 to a feed water line again, and reuses 封水 is provided. [Elements of ...  
JPH0670438B2  
JPH06507220A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH06221288A
PURPOSE: To easily separate bubbles from a liquid containing bubbles so as to improve the vacuum generation capability by a compressor by causing a confining liquid to collide with a bubble generator to make gas on the suction side of a ...  
JPH0658114B2  
JPH0623754Y2  
JPH0622153Y2  
JPH0643838B2  
JPH0622152Y2  
JPH06147166A
PURPOSE: To increase the volume of sucked gas in a low vacuum range while obtaining a high vacuum in a high vacuum range and enable the volume of sucked gas to be adjusted so as to enhance the efficiency of a vacuum pump by connecting tw...  
JPH06147167A
PURPOSE: To recirculate sealing water through a vacuum pump by using air surrounding an equipment without using a heat-exchanger, so as to cool water having a temperature which has been increased after use in vacuum pump down to an origi...  
JPH06504228A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH06503394A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH0674174A
PURPOSE: To stabilize the performance of a super-deaerator by extracting a part of sealing water of a water sealed type vacuum pump arranged in series and located on a high vacuum side, and feeding it from a shaft part as sealing water o...  
JPH0658279A
PURPOSE: To prevent the pressure loss of a vacuum pump on a low vacuum side by bleeding a part of the sealed water in a water sealing type vacuum pumps on the high vacuum side which are arranged in series. CONSTITUTION: With a deaerating...  
JPH0642479A
PURPOSE: To eliminate or substantially reduce necessity for other pumps for a bearing fluid for particularly supporting a rotation liner by improving and simplifying a liquid ring pump having a rotation liner. CONSTITUTION: A two-stage l...  
JPH0642478A
PURPOSE: To obtain a liquid ring pump by shaping an inner surface of a housing so as to reduce fluid friction loss within the pump. CONSTITUTION: In a liquid ring gas pumps of the type having a rotor 20 rotatably mounted in a stationary ...  
JPH066944B2  
JPH0617777A
PURPOSE: To provide a switching device with a simple structure that can be accommodated within a suction pressure vessel or a fresh water tank and is capable of discharging excessive air without generation of strong noisy when a pressure...  
JPH0596482U
[Objects of the Invention] In a 水封 type vacuum pump, the part to constitute is unified as much as possible, and it aims at reducing component-parts mark. [Elements of the Invention] Water supply opening 1e, inspiratory port 1b, and 1...  
JPH0587286U
[Objects of the Invention] In a two-step 水封 type vacuum pump, the shape size of the 1st step pump room 3 and the 2nd step pump room 8 is adapted to an air mass flow ratio, and it changes, and aims at not generating a cavitation in th...  
JPH05256284A
PURPOSE: To obtain a liquid ring pump with an annular channel for bearing fluid, which distributes the bearing fluid for the liquid ring pump having rotating lobe liners excellently in a clearance, and facilitates the actuation of the li...  
JPH05180184A
PURPOSE: To increase the performance of a vacuum pump and save sealing water to be supplied by preventing air leakage from a clearance between the side surface of a pump chamber and the side surface of impellers, in a water sealed vacuum...  
JPH05157077A
PURPOSE: To prevent air leakage, and to improve pumping function by providing a water channel for recycling high pressure sealed water in the outer peripheral area of a pump chamber between both side surfaces of the pump chamber and both...  
JPH05157075A
PURPOSE: To arrange a valve plate of a liquid-ring pump in front of an output opening in an extremely simple way. CONSTITUTION: A collector plate 12 is connected to a slide shield 1. A valve plate 11 is guided by guide elements 14 penetr...  
JPH05133369A
PURPOSE: To improve performance of a vacuum pump so as to save supplied seal water by supplying it from an impeller boss part to prevent leakage of air generated in a clearance of a blade side surface, respectively in one/two- stage side...  
JPH05133373A
PURPOSE: To stabilize performance of a vacuum pump by impeding the outside air from entering through a mechanical seal part. CONSTITUTION: A flow path 2b is formed in a pump chamber 2a to provide a circulating water path 2c for transmitt...  
JPH0538381U
[Objects of the Invention] In a 水封 type vacuum pump, penetration of the open air from the sliding part of a mechanical seal is prevented, and the performance of a vacuum pump is stabilized. [Elements of the Invention] Between 1 g of ...  
JPH0538382U
[Objects of the Invention] In a 水封 type vacuum pump, penetration of the open air from a mechanical seal portion is prevented, and the performance of a vacuum pump is stabilized. [Elements of the Invention] Channel 3b is provided in a...  
JPH05118285A
PURPOSE: To always provide a stable shaft seal effect, enhance performance in a high vacuum region, and facilitate maintenance of high vacuum even when outside shaft sealing pressure water is not available. CONSTITUTION: An impeller 30 i...  
JPH0524358B2  
JPH0519587U
[Objects of the Invention] It enables it to adjust the optimal crevice simply in the rotation pump which maintains performance by adjustment of rotor side clearance. [Elements of the Invention] In a rotation pump of composition so that f...  
JPH0514582U
[Objects of the Invention] It aims at preventing the cavitation which occurs according to an inlet port, an exhaust air port, and the allocation physical relationship of an impeller in a 水封 type vacuum pump. [Elements of the Inventio...  
JPH0514583U
[Objects of the Invention] It aims at preventing the shock which occurs with inlet port shape and the relation of an impeller in a 水封 type vacuum pump. [Elements of the Invention] following that inlet port 3b closes and shuttlecock 8...  
JPH057987U
[Objects of the Invention] In the impeller (1) used for a 水封 type vacuum pump, the cavitation which occurs in the blade tip part (1d) of this impeller (1) is prevented, and the performance of a vacuum pump is stabilized. [Elements of...  
JPH0518383A
PURPOSE: To prevent penetration of outside air from a mechanical seal part and to stable performance of a vacuum pump in a water-seal vacuum pump. CONSTITUTION: A water-seal supply flow passage E formed on the suction side of a discharge...  

Matches 301 - 350 out of 629