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Patent Searching and Data


Matches 851 - 900 out of 1,520

Document Document Title
JPH01102498U  
JPH01170795A
PURPOSE: To improve compression efficiency by compressing a fluid sucked in a main passage from a suction port by an impeller while being spirally transferred to be discharged to the outside of a housing from a discharge port. CONSTITUTI...  
JPH01147196A
PURPOSE: To secure the sealing performance without reducing the effective length of a main flow passage for fluid by forming a partition member separating the main flow passage into a high pressure portion and a high pressure portion as ...  
JPH01147198A
PURPOSE: To form stable spiral vortex of fluid and improve the compression efficiency by increasing the gap between a partition member and the rear edge of a blade at least on the side of discharge port. CONSTITUTION: In a main flow pass...  
JPH01147195A
PURPOSE: To prevent the blade of an impeller from interfering fluid flow by carrying fluid into the out of a machine from the external periphery of a main flow passage and changing the flow direction inside both a suction passage and a d...  
JPH1130098A
To provide an anchorage structure of a reinforcing material which can be costlessly and efficiently anchored. The end 12 of a hollow cylindrical fiber reinforced material 10 that reinforcing fiber is bonded together with a thermosetting ...  
JP01130098A
PURPOSE: To prevent air flow from being separated from a triangle plate and thereby reduce high frequency noise by providing a crook section for the respective two sides other than one side of a triangle plate joined to the top end of a ...  
JP01118000A
PURPOSE: To suppress the separation of air flow at a flat plate, so as to reduce high-frequency noises due to separation or vortex of flow, by setting the shape and size of a triangular flat plate brought in close contacted with the tip ...  
JPH1118000A
To easily control the driving mechanism of an image pickup unit including an image pickup optical system and a solid-state image pickup device and to eliminate inclination of an obtained image in the image pickup unit capable of automati...  
JPH0161495U  
JPH0196499A
PURPOSE: To deviate an exfoliating point on the rear side of a blade toward the rear edge to lessen the exfoliating region by locating the maximum warping position of a warping curve interconnecting the front and rear edges of blade towa...  
JPH0196498A
PURPOSE: To restrain suction flow from exfoliation while stabilizing the suction flow from the peripheral direction by forming the section of front edge of straight blade portion to have generally an arcuate and thick configuration and t...  
JPS6483883A
PURPOSE: To improve basic performance in a mixed flow fan and to abate a noise with a simple design by forming a triangular plate solidly in each front edge in a plurality of blades arranged in and around a hub part so as to be externall...  
JPS6483882A
PURPOSE: To improve a cooling effect with a compact structure by forming a blast blade, sending air toward a peripheral part of a casing surrounding a peripheral part of a bearing part in a turning shaft and an impeller, solidly with a p...  
JPH0116353B2  
JPS6425498U  
JPS6411397U  
JPS6415493A
PURPOSE: To enable efficient operation to be performed by supporting impellers of a number of stages respectively by 4 spiral groove radial dynamic pressure bearings and spiral groove thrust bearing, filling each impeller with a permanen...  
JPS641517Y2  
JPS63306297A
PURPOSE: To promote the orientation of a pump to high pressure ratio, by dividing the inside of a main flow path of the pump into plural parts by internal guide plates, which reduce a flow speed component in the rotary direction, and pro...  
JPS6361519B2  
JPS63280893A
PURPOSE: To provide a compact pump by forming swirl pump stages of swirl blade stages provided on a rotor sequentially to have different diameters and ventilating paths provided on a stator to have different diameters and providing an in...  
JPS63266191A
PURPOSE: To prevent generation of unbalance without causing raised processing accuracy and enhance the compression ratio by furnishing ducts in the form of an arc of circle in that position of each notch in a cylinder that is mating with...  
JPS63166696U  
JPS63263297A
PURPOSE: To enable an eddy flow type turbomachine to obtain high pressure and high efficiency by sucking external gas through an ejector, introducing the gas into a main passage by use of energy of carryover gas, and reducing carryover g...  
JPS6354155B2  
JPS63254922A  
JPS6337516Y2  
JPS63147599U  
JPS63136297U  
JPS63205498A  
JPS63128226U  
JPS63115592U  
JPS63170589A
PURPOSE: To reduce noise by providing vanes at uneven spacings on the periphery of a hub in appro. cylindrical form, wherein the vanes shall have different projected figures on a plane which is perpendicular to the rotary shaft. CONSTITU...  
JPS63147989A
PURPOSE: To increase compression ratio by providing an annular guide member which guides the flow of a gaseous body in the vicinity of the outer periphery of an impeller which is rotated in the main passage of a vortex type compression p...  
JPS63147991A
PURPOSE: To make the captioned pump compact by providing thread grooves on either of the inside and outside cylinder parts of the rotor or the inside and outside stator parts of the stator of a thread groove type compression pump, in clo...  
JPS63147990A
PURPOSE: To make the captioned pump compact by installing the thread grooves of a thread groove type compression pump which is provided on a suction port side in parallel in a radial direction and simultaneously introducing a gaseous bod...  
JPS63147992A
PURPOSE: To obtain a high pressure ratio by placing the ends of vanes of an impeller in close vicinity to the outer peripheral face of an annular guide member and forming the outer peripheral face of the end of a hub into a recessed curv...  
JPS63147993A
PURPOSE: To obtain a high pressure ratio by providing plural inside guide pieces for reducing the flow rate component in the rotating direction of an impeller in a main flow passage which is formed with the outer peripheral face of an an...  
JPS6393495U  
JPS6393494U  
JPS6393493U  
JPS6387294U  
JPS63117200A
PURPOSE: To obtain a large wind pressure by forming the rear half downstream part on the discharge port side of a wind passage on the outer peripheral part of a box-shaped casing into an annular section at the top edge part of an annular...  
JPS6375590U  
JPS6323821B2  
JPS6385291A
PURPOSE: To obtain a small-sized vacuum pump which operates from the atmospheric pressure to a high vacuum by installing at least a siegbahn pump stage on a suction port side and arranging a circumferential flow compression pump stage on...  
JPS6385288A
PURPOSE: To effectively operate a vacuum pump in a wide pressure range by suppressing the deterioration of the function of a vacuum pump due to the increase of the pressure at a suction port by installing a screw compression pump stage o...  
JPS6385290A
PURPOSE: To effectively operate a vacuum pump in a wide pressure range by installing a siegbahn pump stage as the pump stage in the molecular flow or intermediate flow range and arranging a centrifugal compression pump stage and a circum...  
JPS6385287A
PURPOSE: To obtain a small-sized vacuum pump which can continuously operate from the atmospheric pressure to a vacuum state by installing an axial flow compression pump stage and a screw compression pump stage on a suction port side and ...  

Matches 851 - 900 out of 1,520