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Patent Searching and Data


Matches 501 - 550 out of 1,504

Document Document Title
JP2001248593A
To provide a mixed flow compressor with a screw improved in suction performance and balance especially and applicable to a comparatively small gas turbine as a compressor used for a dispersion type power generator, an automobile engine, ...  
JP2001514361A
(57) In the multi-stage side channel pump of summary book invention, the performance of the pump is made into the maximum by being decided, when the size form of the succession stage 14 flows with the shuttlecock diameter D and quantifie...  
JP3193222B2
PURPOSE: To improve the air blasting performance by composing the tips at the suction side of the air and the like of main blades in a diagonal flow fan. CONSTITUTION: To a base 12 rotating around the axial center, numerous main blades 1...  
JP2001193680A
To provide a rotary apparatus capable of establishing a high efficiency, stable operation, and a long service life with simple configuration. This rotary machine is either a crossing spiral compressor or a pump having a cylindrical rotor...  
JP3184960B2
To enable a pump to be usable for various applications by promoting the labor-saving of a gas-liquid pump device which is provided with high pressure feeding force at low speed, in addition to being less in noise and vibration as well as...  
JP2001159398A
To provide a pressurizing centrifugal pump allowed to set both a flow rate and flow pressure high as requested, manufactuable with simple and low-cost constitution and miniaturizable.This pressurizing centrifugal pump 1 is so constituted...  
JP2001123987A
To simplify a structure of a mold for injection molding without generating a weld phenomenon. This impeller 2 for a circumferential flow pump 1 is provided with a plurality of vane grooves 12 on the outer periphery of a synthetic resin- ...  
JP2001123978A
To provide a driving method for a regenerative rotor disc. A regenerative rotor disc 10 is provided with a plurality of radial vanes 12 on the outer peripheral part of a disc in a fluid passage, and a plurality of permanent magnets embed...  
JP2001123986A
To use an injection-molded impeller as it is without grinding it. This impeller 7 is provided with a plurality of vane grooves 12 on the outer periphery of a synthetic resin-made disc-shaped member 8 to be rotated by a motor, and it is r...  
JP3153058B2
PURPOSE: To reduce the noise generated by the rotation of a fan by disposing interference structures for inducing a flow resistance in the opening cross sections of a gas intake channel and a gas discharge channel in a side channel for s...  
JP2001082392A
To suppress a swing by a recirculating flow at the inlet of a vane and a stall of swing of the vane by circumferentially forming, in the inner surface of a casing, a plurality of grooves with a specified width or narrower connecting a va...  
JP2001065420A
To reduce costs and abrasion by forming an electric motor as a reluctance motor capable of switching, or a SR type motor. This forcibly feeding unit connected to a filter port is disposed in a vehicular fuel tank, and is provided with a ...  
JP3124093B2
PURPOSE: To provide a scroll pump capable of increasing its performance remarkably without increasing its cost due to increase in part accuracy and assembly accuracy. CONSTITUTION: A ring type recessed or protruded part is provided on a ...  
JP2000329096A
To provide a good fluid dynamic control characteristic for a rotary machine by constituting a fluid machine by integrally forming a spiral flow compressor/turbine with a permanent magnet motor/power generator, and arranging a pair of jou...  
JP3106753B2  
JP3106766B2
PURPOSE: To allow the easy manufacture of an impeller having a complicated three-dimensional form of blades by arranging pre-molded blades in a casting die for molding a blade casing and, then, casting the blades into the casing as integ...  
JP2000234597A
To provide fluid machinery which has high efficiency, high reliability, an increased life and is reduced in size, weight, and a cost. This fluid machinery is formed such that an impeller 28 is rotatably contained in a casing provided wit...  
JP3074863B2  
JP3074828B2
PURPOSE: To improve the characteristic of vortex flow pump by forming a swirl flow more effectively in a circular annular flow path. CONSTITUTION: An auxiliary supply path 14 for supplying an assist flow of guiding fluid in a direction o...  
JP2000205167A
To reduce the noise generated when a high pressure fluid collides with a bulkhead. An impeller 4 is installed rotatably in a casing 3 equipped with a suction passage 1 and a discharge passage 2, and between them 1 and 2 a bulkhead 9 is i...  
JP3067339B2  
JP3058786B2  
JP2000170683A
To continuously lower both discharge pressure and discharge capacity of a pump down to zero when revolving speed of a driving shaft is excessive and obtain both discharge pressure and discharge capacity as nearly high as those of a fixed...  
JP2000507322A
(57) the gap (7) which exists in a summary reproduction pump type compressor among both half a copy of housings (1) that surround an impeller (2) and this impeller (2), It is sealed with the seal band (8) inserted in the circumferential ...  
JP3050461B2
PURPOSE: To enable improvement of high performance and three-dimensional formation by forming a hub blade construction body through a process of integrating blades with a hub separately from a blade casing and attaching it to the blade c...  
JP3048438B2
PURPOSE: To provide a mixed flow fan suitable for a high pressure loss field. CONSTITUTION: A first region 18 defined in a position near a rear edge side beyond the center of a joining front end between a blade 14 on a suction side 5 and...  
JP3045418B2
PURPOSE: To get desired performance with a small number of stages by forming a circumferential flow impeller being a rotor in the shape of cylindrical stages thereby improving the manufacture property and assembling property, and setting...  
JP3036199B2
PURPOSE: To provide a compact and lightweight pump with increased performance under stable rotation by providing recessed parts and partition blade on the outer periphery of a rotor and also providing a compression blade having a blade s...  
JP2000093853A
To decrease the number of parts to be inspected, to make the machine small-sized and lightweight and to facilitate the assemblage by holding a blower driving motor in the volute case of the blower and providing the air suction port of th...  
JP3019681B2
PURPOSE: To provide a pressure controller for a blower capable of dissipating a residual pressure at a load end simultaneously with stoppage of operation of the blower. CONSTITUTION: A pressure controller for a blower comprises a blower ...  
JP3007766B2  
JP2991493B2
A rotary disc pump comprises an outer housing with an inner cylindrical rotor chamber having an inlet at one end and an outlet at its outer periphery. A rotor assembly in the chamber comprises at least two parallel spaced discs disposed ...  
JPH11344405A
To obtain a correction method in which a dynamic balance is obtained with high accuracy by correcting not only the imbalance of a component in the radial direction but also the imbalance of a component in the axial direction. The dynamic...  
JP2990950B2  
JPH11336687A
To enable a pump to be usable for various applications by promoting the labor-saving of a gas-liquid pump device which is provided with high pressure feeding force at low speed, in addition to being less in noise and vibration as well as...  
JPH11511833A
(57) They are summary side pipeline ブロワ (1) and side pipeline ブロワ for supplying combustion air especially in the space heater (2) of a car, The ブロワ main part portion (3) linked to an impeller (4) is prepared in the dire...  
JP2960459B2  
JPH11509911A
(57) Summary book invention is side pipeline ブロワ, have the ブロワ main part connected to an impeller in the direction of an axis, and in this case a ブロワ main part, Have an inflow pipeline and an excurrent canal way, and it...  
JPH11223194A
To easily recognize the noise level by the visual monitoring by mounting a noise level display means on a joint part of the injection cylinder parts obtained by dividing an air injection cylinder into two along the axial direction thereo...  
JP2921384B2  
JP2917563B2  
JPH11182487A
To provide a portable type heat-exchange device to be applied to a human body, which can be carried by the user's body without holding in hand and has a high heat-exchange efficiency for the surface of human body. A portable type heat-ex...  
JPH11107980A
To facilitate the assembling of a partitioning member and to reduce the manufacturing cost by pressing a sound absorbing member toward a casing by the partitioning member to hold it, and pressing the partitioning member toward the casing...  
JP2880295B2  
JP2877536B2  
JP2876931B2  
JP2865835B2  
JP2865849B2  
JP2865716B2  
JPH114559A
To provide a motor with a cooling fan, in which noises from the cooling fan is reduced, by making the cooling fan small. A motor body 1 and a cooling fan 5 are joined by a duct 3. A slantwise flowing fan is used as the cooling fan 5. An ...  

Matches 501 - 550 out of 1,504