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Matches 351 - 400 out of 1,506

Document Document Title
JP4353895B2  
JP4349327B2  
JP2009236121A
To improve the performance of a diagonal flow compressor using a diffuser by blowing a flow along a main flow (blade) into a separation region to reduce the separation region without generating disturbance in the flow.The diffuser 1 for ...  
JPWO2009096226A
The present invention provides the fluid machinery of rotation form which can be operated practical and effectively in a super-low specific-rate field. The fluid machinery (1, 1') of rotation form has the impeller (10, 10') connected wit...  
JP2009138636A
To provide a regenerative pump capable of improving pump performance by inhibiting the deformation quantity of a casing, and facilitating the management of a clearance between an impeller and the casing.In the regenerative pump 10 pressu...  
JP4255912B2  
JP4243105B2  
JP2009052476A
To stabilize operation of a diagonal flow transonic compressor by expanding the operation range of the diagonal flow transonic compressor.The diagonal flow transonic compressor 1 is provided with a second groove 11 and a first groove 10 ...  
JP4233359B2  
JP2009024652A
To reduce the operating noise of a blower by improving the static pressure efficiency of a mixed flow blower impeller for reducing a motor input.This mixed flow blower impeller 1 comprises a generally truncated core hub 3 and two blades ...  
JP2009024653A
To reduce the operating noise of a blower by improving the static pressure efficiency of a mixed flow blower impeller for reducing a motor input.This mixed flow blower impeller 1 comprises a generally truncated core hub 3 and two blades ...  
JP2008298027A
To provide a vortex flow blower of high pressure without increasing noise.The shape of a delivery side of a bulkhead 10 dividing a part between a delivery port 9 and a suction port 8 formed at a stationary channel 3 toward a rotary direc...  
JP2008215160A
To prevent stagnation of solid content in a rotary disk pump for pumping handling liquid containing the solid content.A disk-like rotary member 16 includes a plurality of spacedly disposed disks 18. Impellers 32, 34 are respectively prov...  
JPWO2008111372A
The product reliability and transportability at the time of transportation are high, and are low noise, and a feeling of oppression is not given to a resident but it aims at obtaining the air harmony machine which can be packed up with f...  
JP4152722B2  
JP2008516128A
The present invention relates to the side channel compressor equipped with the housing main part (2) and the running wheel (3, 45, 48). A running wheel is rotatably attached to a housing main part, and makes two annular seal regions (31,...  
JP2008101561A
To provide a control device for a fluid pump, which can release a motor lock state.When the motor lock state is detected in starting of a fuel pump 11, an armature coil 21 is electrified in a first non-rotating pattern set in advance. Th...  
JP2008095638A
To provide a mixed flow compressor having enhanced performance by widening its operating range.The mixed flow compressor is configured with a mixed flow impeller 11 which is rotated to give a dynamic pressure to a working fluid, a first ...  
JP4077356B2  
JP2008069681A
To narrow a gap between an impeller and a case, and to improve a pump characteristic.In a side channel pump 10 provided with pump blades 19a, 19b on both front and reverse surfaces of the impeller 17, a first dynamic bearing part 38 is p...  
JP4068837B2  
JP2008031889A
To provide a swirl type compressor, by improving accuracy of assembly of an impeller with a rotational shaft and by reducing/uniformizing a clearance between the impeller and a casing.The impeller 7 is assembled to between bearing parts ...  
JP2008014300A
To provide a vortex pump provided with a structure capable of corresponding to further thinning.A vortex pump 1 comprises: an impeller 20 that includes a plurality of blades 22 at an outer circumference and a rotor magnet 40 placed at an...  
JP2007309286A
To reduce noise generated from a vortex blower used as a small air blower. This vortex blower is provided with an impeller 7 having a plurality of blade chambers on an annular guide groove 6 having an approximately semicircular cross sec...  
JP2007291902A
To provide a low noise diagonal flow blower impeller excellent in fan efficiency. A leading edge 2 of an aerofoil 6 is formed by a concave curve to an upwind side in an outer circumference side of a section near a center point of a hub 4...  
JP2007278231A
To provide a pump capable of adjusting a clearance between a bucket forming surface forming a bucket part of an impeller and an opposite surface of a housing opposing to the bucket forming surface. A housing 11 of a pump 10 is provided w...  
JP3993666B2  
JP2007247421A
To provide a hydrogen pump wherein the clearance between a bucket forming surface forming a bucket part of an impeller thereon and an opposite surface of a housing opposite to the bucket forming surface can be varied. The hydrogen pump i...  
JP2007247494A
To provide a diagonal flow blower impeller improving dynamic strength when blades are rotated without turning up noise and lowering fan efficiency. This impeller is provided a roughly circular truncated cone shape hub 4, two or more thin...  
JP2007231867A
To provide a long-life vortex pump having a bearing structure in which chattering is hardly caused. The vortex pump 1 includes an impeller 20 comprising a plurality of blades 22 formed on the periphery of the impeller and a rotor magnet ...  
JP3964200B2
To improve pump efficiency of a fuel pump. An impeller rotating in a pump casing is approximately disk- shaped. In an area extending along the outer peripheries of two sides, groups of recess parts are formed repeatedly and mutually spac...  
JP3939814B2
To provide a metal layer having an abrasion performance which is abraded easily by being brought into contact with other metal, and thereby, contract a clearance between a blade top end and an enclosing plate by forming an abrasion porou...  
JP2007514096A
A reproduction pump mechanism contains the rotor which has a series of braids positioned by the annular sequence at one side, and the stator which has an annular channel which a braid rotates. In order to control the direction clearance ...  
JP2007510544A
In a venturi tube (18), the material which carries out Iriki is received through an inlet pipe (12), and the material is applied to pulverization. Material will be applied to moisture extraction and dryness, if it passes through pulveriz...  
JP2007107454A
To muffle NZ noise generated in a casing in a region of the casing.A vortex flow blower 1 as an example is equipped with the casing 2 using a casing body 21 wherein each of walls 79, 79 for enlarged parts, which are the walls in the regi...  
JP3907888B2
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- ...  
JP3907887B2
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...  
JP2007092659A
To reduce turbulence noise by suppressing exfoliation of air flow from tip part wall surfaces in suction opening sides of a first and a second blade part 62, 63.A plurality of first and second blade parts 62, 63 provided on an outer circ...  
JP2007507656A
A differentially pumped mass spectrometer system comprises a mass spectrometer having a plurality of pressure chambers; a vacuum pump attached thereto and comprising at least three pump inlets, a first pumping section, a second pumping s...  
JP2007507657A
A vacuum pump contains a molecule drug exhauster style and a reproduction exhauster style. The rotor element of a molecule drug exhauster style encloses the rotor element of a reproduction exhauster style.  
JP2007071204A
To provide an impeller for a sucking machine capable of being firmly installed on a shaft, without requiring balancing under any situations.This impeller 28 for a side channel sucking machine includes a hub component 42 which can be coup...  
JP3894588B2
To connect necessary pipes in various directions by providing each pipe connecting unit with inlet and outlet openings in both sides facing each other at least in an axial direction. A reproducing pump type compressor 2 is connected to a...  
JP3894115B2
To provide a shaft seal device being easily machined and easily fixed to a supporting member, and to provide a turbo compressor being easily fixed to a casing by comprising the shaft seal device. In this shaft seal device wherein a beari...  
JP3892291B2
To provide a method for manufacturing an injection-molded resin rotary body hard to generate a waste material and capable of obtaining the flatness of a side surface and the dimension of an outer diameter with high accuracy. In the metho...  
JP2007002836A
To provide a vortex flow blower achieving higher pressurization, increase of efficiency by improvement of cooling performance and simplification of a seal structure.In a blower which consists of a blade casing 4a including an annular gro...  
JP3866779B2
PURPOSE: To reduce the exhaust noise of a blower without needing a special muffler by making exhaust air, discharged from the discharge port of a blower, reach a muffling passage chamber through a flexible duct, eliminating noise in the ...  
JP3862135B2
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...  
JP2006336486A
To provide a compact turbo compressor of high efficiency, high pressure and high displacement.This compressor is provided with a casing 7 having an annular swirl passage 21 including single or a plurality of scrolls as a first scroll inl...  
JP3854679B2
To reduce the size and the weight of a muffler by providing a blower having a blade with a reduced chamber by driving an electric motor by a frequency exceeding a commercial source frequency and a muffling passage chamber to absorb noise...  
JP2006316792A
To provide a vacuum pump including no molecule dragging stage having a rotary disc provided with a flat pumping face or a rotary cylindrical drum.This hybrid turbo molecular vacuum pump includes a housing having a take-in port and a disc...  

Matches 351 - 400 out of 1,506