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Matches 501 - 550 out of 1,519

Document Document Title
JP2002276580A
To efficiently transmit the rotation force of an impeller to a fuel smoothly flowing in a blade part and in a blade groove, and mold the impeller easily in a turbine type fuel pump with an impeller rotatably stored in a casing.The rear s...  
JP3328292B2  
JP2002266785A
To provide an impeller for a pump and its molding method enhancing pump efficiency, while having such a vane shape as being molded without forming a scratch thereon.This impeller 42 for the pump and its molding method are so formed that ...  
JP2002266783A
To provide an impeller for a pump further increasing boosting by suppressing a parasitic vortex of a fluid in the impeller and strengthening a vortex.This impeller 42 for the pump constituted by forming a vane part in its circumferential...  
JP2002221183A
To provide a control method of a movable vane pump capable of automatically removing a foreign matter caught in between an impeller vane and a casing liner.This control method of the movable vane pump, constituted of the casing liner 1a ...  
JP2002174193A
To constitute a fuel pump to have excellent pump efficiency.The groove face shape of a blade groove 12c provided to form a closed blade type blade 12c formed at the outer periphery of an impeller 12, and that of recessed grooves 8e, 9d f...  
JP2002089477A
To provide a pressurizing centrifugal pump with a simple and low-cost structure capable of smoothly feeding a sucked fluid with applying both push-out force by a pressurizing face and centrifugal force by blades, and setting both a flow ...  
JP2002081392A
To provide a peripheral type pump in which it is no fear that much heat is generated even at a small size and a cavitation is generated and which is preferable as an auxiliary thermal source of a heating for vehicle.Blades 14 are radiall...  
JP3262802B2  
JP2002039092A
To provide a turbo type dry pump, a coolant gas cooled bearing is arranged as not discharged at high temperature.The supply pipe 10 which supplies the cooling gas which cools the foil bearing 5 for thrust of a turbo type pump mechanism, ...  
JP2002031081A
To provide an improved type molecular resistance vacuum pump structure in the case when pumping speed and a compression ratio are not so important in comparison with lightening and miniaturization.A vacuum pump device is furnished with a...  
JP3243191B2
To excellently damp a noise by arranging at least notches having an almost heart shape in a plan view over its whole radial directional height on both side boundary surfaces in the circumferential direction of an interrupting part to sep...  
JP3243163B2
To improve a compressor unit so as to unite regeneration pump compressors of the same housing diameters with regeneration pump compressors with different housing diameters to one unit. An axial extension 11 is extended to a parting plane...  
JP3082477U
In a housing (1), this design is arranged so that rotation of an impeller (2) is possible, It has the supporter ring (3) in which this impeller attached a shuttlecock (4), and projects in the direction of an axis in one side at least fro...  
JP2001271780A
To provide new impeller structure capable of achieving both of high pump efficiency and low noise. A semi-open zigzag type vane impeller used in an automobile fuel pump is provided. Each vane 102 has a cover side vane teeth 108 extending...  
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...  

Matches 501 - 550 out of 1,519