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JPH07174262A |
PURPOSE: To always maintain static pressure of a piping line below allowable static pressure by releasing part of discharge fluid to the atmosphere just before a pressure load exceeds allowable static pressure. CONSTITUTION: A pressure l...
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JPH0729279Y2 |
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JPH07167089A |
PURPOSE: To produce a silent effect by the edge of a high stage surface in the vicinity of an air delivery hole and a blade and to reliably suppress the generation of noise by a method wherein the edge of a partition part of a case membe...
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JPH07167077A |
PURPOSE: To provide a regenerative pump capable of decreasing or avoiding excess pressure or flow rate at high speed. CONSTITUTION: This regenerative pump includes a housing 1, an impeller 5 having a plurality of vanes 13 spaced apart fr...
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JPH07167083A |
PURPOSE: To reduce excess pressure and/or excess flow at high speed by providing within a housing a second fluid inlet which opens to a flow channel between a fluid inlet and a fluid outlet, and controlling the supply of fluid to both of...
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JPH0726635B2 |
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JPH0712713Y2 |
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JPH0724316B2 |
A fast axial flow gas laser apparatus comprising an at least essentially closed loop defining a flow path for a laser gas, an arrangement for exciting gas flowing in the loop of the apparatus to cause the gas to lase, and a regenerative ...
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JPH0754793A |
PURPOSE: To provide a vortex flow blower in which an external diameter of a blower part can be formed in an external diameter or less of an electric motor so that the vortex flow blower can be sufficiently miniaturized. CONSTITUTION: An ...
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JPH0754797A |
PURPOSE: To improve accuracy of dynamic balance by simplifying work for securing a balance weight. CONSTITUTION: A boss 3 is mounted on a small diametric part of a circular truncated cone-shaped hub 2 formed of a thin plate by securing a...
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JPH073038Y2 |
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JPH073238B2 |
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JPH0649845Y2 |
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JPH06330888A |
PURPOSE: To reform a regenerative pump so as to make the flow rate of a liquid to be injected get off with smallness, in this pump that is able to fill up with the liquid in an operating passage and to use it as vacuum pump. CONSTITUTION...
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JPH0645672Y2 |
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JPH0689758B2 |
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JPH06299989A |
PURPOSE: To provide an exhauster which can be easily installed in a narrow space, is lightweight and inexpensive. CONSTITUTION: A casing 2 is formed of an approximately circular cylindrical body 3 and a lower wall 4 and an upper wall 5 w...
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JPH06288380A |
PURPOSE: To successively moderate the impact sound by the water flow from the groove of an impeller which reaches a discharge passage by an inclined surface by forming the inclined surface inclined by a prescribed angle in the flowing di...
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JPH06272693A |
PURPOSE: To provide a method for the manufacture of an impeller for a vortex flow blower, having the capability of easily coping even with the complicated form of a vortex flow blower impeller, allowing the application of the advanced th...
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JPH06241192A |
PURPOSE: To provide a vortex blower which can reduce turbulance of blowing, improves fluid performance and reduce noises. CONSTITUTION: An expansion flow passage 11 is arranged on an outer peripheral side of a partition part 13, while a ...
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JPH0663515B2 |
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JPH0660638B2 |
The disclosure is directed to a mixed flow impeller with a low noise, to be used for a blower of an air conditioner or the like. The mixed flow impeller of the present invention is characterized in three points, i.e., thin thickness blad...
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JPH0660639B2 |
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JPH06221453A |
PURPOSE: To provide a thermal safety valve and a gas pump with the above valve which has no energy loss resulting from constantly leaking gas quantity, and surely corresponds to the temperature limits of a shaft seal device and of lubric...
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JPH0658116B2 |
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JPH06505315A |
PCT No. PCT/DE92/00167 Sec. 371 Date Sep. 20, 1993 Sec. 102(e) Date Sep. 20, 1993 PCT Filed Mar. 2, 1992 PCT Pub. No. WO92/16752 PCT Pub. Date Oct. 1, 1992.A regenerative compressor has a housing in which an impeller (6) rotates. The imp...
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JPH06147186A |
PURPOSE: To provide expected ultimate pressure at small number of steps so as to miniaturize a vacuum pump by providing bias grooves inclined to the shaft center of a rotary shaft on the inner peripheral surface of a fixed member, provid...
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JPH0633794B2 |
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JPH0688595A |
PURPOSE: To reduce a direct emission noise out of both inlet and discharge ports of a vortex flow blower so sharply and a dominant sound pressure level too by interconnecting an expansion silencer and a vessel approximated to this silenc...
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JPH0610477B2 |
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JPH05340390A |
PURPOSE: To provide a fan structure in which noise by rotation is reduced. CONSTITUTION: Plural inclined surface plates 6 are provided on a circumferential surface of a cylindrical boss hub 2 to be inclined to it, and a root part of a bl...
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JPH0545832Y2 |
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JPH05312182A |
PURPOSE: To miniaturize the whole machine and improve mechanical efficiency by arranging no water jacket on the outer circumferential side of a compression mechanism part on the uppermost stream side, and constructing the compression mec...
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JPH05312183A |
PURPOSE: To more effectively form the turning flow in an annular flow passage of a vortex flow blower so as to reduce turbulence, improve the performance of the vortex flow blower, and silence the noise. CONSTITUTION: An annular flow pas...
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JPH05306700A |
PURPOSE: To provide a motor-driven air pump of low cost capable of acquiring high performance required for secondary air supply to an exhaust system immediately after col start certainly even if a general purpose motor is used. CONSTITUT...
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JPH0540319Y2 |
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JPH0565720B2 |
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JPH05231382A |
PURPOSE: To improve an yield of a product by suppressing a thrust (shaft) directional clearance between an impeller and a casing to a minimum limit so as to eliminate unevenness of a flow characteristic. CONSTITUTION: A hollow cylindrica...
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JPH0566296U |
[Purpose] Minimize the radial clearance between the impeller and the casing, eliminate variations in flow characteristics, and improve product yield. [Constitution] A hollow cylindrical pressure chamber 13 is formed by the casing 11 and ...
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JPH05215094A |
PURPOSE: To solve a reduction in performance so as to be suitable, particularly, for exhaust and compressing treatment of gas in which the deposition or sticking of a material is predicted by preventing the counter flow of air flow. CONS...
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JPH0553955B2 |
A turbomolecular pump for evacuating a space by a plurality of turbine grooves located on a rotor and a stator located in face-to-face relationship to the rotor, with the turbine grooves, including rotor grooves on an outer peripheral su...
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JPH05202889A |
PURPOSE: To minimize noise leakage to the outside of a motor by installing a suction duct which leads outside air to a suction port, and a discharge duct which passes compressed air from a discharge port so as to cover the easing of the ...
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JPH0551798B2 |
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JPH0551799B2 |
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JPH0558894U |
[Purpose] In addition to improving pump efficiency, fluid noise will be reduced, specifications such as sound absorbing materials will be simplified, and fluid pumps will be made smaller, lighter, and less costly. [Constitution] A hollow...
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JPH05187390A |
PURPOSE: To provide each muffler which can desirably be cleaned quickly when it is clogged by making a floor area small for each filter. CONSTITUTION: In a circular blower 4, a suction side muffler 11 is combined with a discharge side mu...
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JPH05180191A |
PURPOSE: To make an electric motor pump compact by using a rotor iron core with multiple gears commonly as an impeller of a viscous pump. CONSTITUTION: An electric motor comprises a stator 2 being composed of a stator iron core 6 with mu...
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JPH05179941A |
PURPOSE:To provide a motor driven pump in which pressure-flow characteristic suitable for secondary air supply to a catalytic converter for a vehicle is provided together with a long service life and efficiency of a motor can be improved...
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JPH05172091A |
PURPOSE: To increase pumping speed at vortex pump stages by utilizing the form of a rotor finished into a straight cylinder having blades engraved in the outer peripheral surface thereof and having no projection. CONSTITUTION: A number o...
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JPH05172090A |
PURPOSE: To improve performance of a vacuum pump without increasing the weight and the size of the pump by providing in the bottom portion of an exhaust channel a blade surface facing a passage extending along the circumferential directi...
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