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Patent Searching and Data


Matches 351 - 400 out of 1,520

Document Document Title
JP4529613B2  
JP4512352B2  
JP2010159704A
To restrain generation of noise from a vortex flow blower, while maintaining delivery performance of the vortex flow blower. This vortex flow blower has a casing 11 for arranging a stationary flow passage 20 extending in a circular arc s...  
JP2010523884A
A ring fan and a shroud guiding system contain the rotation fan member provided with the conical outside ring, and the cylindrical shroud member which overlaps with at least one copy of an outside ring. A plurality of guidance Behn is pr...  
JPWO2008111372A1
輸送時の製品信頼性および運搬性が高く、低 騒音であり、居住者に圧迫感を与えず、従来 と比べ少ない梱包材で梱包できる空気調和機 を得ることを目的とする。空気調和機に...  
JP2010138896A
To avoid disadvantages such as encroachment on a usable rotational frequency region, degradation of efficiency, noise, an increase in load to a material, and functional disorder of a structure in the case resonance occurs, occurring by v...  
JP4489394B2  
JP2010511826A
It is a pump which has the housing provided with a ring object and a strip artist field. In a strip artist field, a housing slot is formed in the surface. A housing slot has a field which forms the length, width, and the depth. A cover i...  
JP2010509527A
The present invention relates to a pumping plant (10) which has a housing (12) and a cover (14). A housing (12) and a cover (14) form a portion of a pump mechanism (16). The 1st entrance or housing entrance (26) is formed in a housing (1...  
JP2010059875A
To solve the problems that the life of a bearing is reduced by the axial force which is produced in an impeller where a fluid passage on the driving side of a casing is connected in series to that on the counter driving side thereof, and...  
JP4411644B2  
JP2010007632A
To provide a vortex flow blower reduced in noise.A vortex flow blower comprises a casing 12 provided with an arc-shaped still flow path 20, and an impeller 14 provided with a plurality of blades 17 corresponding to the still flow path 20...  
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...  

Matches 351 - 400 out of 1,520