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Patent Searching and Data


Matches 401 - 450 out of 1,504

Document Document Title
JP2006183521A
To provide a pressurizing centrifugal pump capable of obtaining high pressure by forming a fluid passage in such a manner that cross section area thereof gradually gets larger from a suction port toward a delivery port and gets smaller a...  
JP3781260B2
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, ...  
JP2006125330A
To provide an impeller mounting structure capable of adjusting alignment of an impeller and an inner face of a casing even without preparing various adjusting parts.A cylindrical mounting seat 16, an elastic spacer 35, the impeller 6, a ...  
JP3774760B2
To realize a vortex ring device suitable for generating and accelerating a fluid current by inducing flow of the fluid, with respect to the vortex ring device for inducing the flow of the fluid such as air and water. This vortex ring dev...  
JP2006090263A
To provide a vacuum pump of an atmospheric exhaust capable of obtaining a high vacuum condition in a short time irrespective of its low power consumption and compact size.A turbo molecular pump part 2, a regeneration pump part 4, and a s...  
JP2006090178A
To form a blower impeller for air conditioning of two blades from the viewpoint of improvement in fan efficiency, and to reduce rotation noise generated by the blades.A mixed flow fan 1 is provided with a plurality of blades 2 on a subst...  
JP2006509952A
Vacuum pump discharge equipment consists of a drive shaft, the motor which drives the above-mentioned drive shaft, a molecular drag pump discharge mechanism, and a reproduction pump discharge mechanism. The drive shaft is arranged so tha...  
JP2006029126A
To meet the need of noise reduction, although generated noise of an impeller has reached the limits in a multiblade fan.When a centrifugal fan 5 is rotated, a back face of a blade A6 of the centrifugal fan 5 is peeled at the middle there...  
JP2006500497A
[Subject] The vacuum pump which operates efficiently through the whole pressure range treated is offered. A [solution means] -- two or more vacuum pumping stages 30 and 32 arranged between the inlet port 14 and the exhaust port 16 within...  
JP2005337165A
To improve productivity of a vortex blower by making an impeller easily form as an integral unit.A three dimensional blade of an impeller is provided under a condition where gap between a plurality of blades become penetrating space alon...  
JP3724413B2
To provide a small and highly efficient vacuum cleaner by obtaining a small, lightweight, and highly efficient motor-driven fan for the vacuum cleaner. This motor-driven fan 11 for the cleaner is composed of an impeller 14 having a mixed...  
JP2005536683A
The present invention is a thing about a ventilation propulsive engine (1) equipped with two or more ventilation promotion shuttlecocks (3) attached to the main plate (2) and the main plate (2), The front of solvent (4) by which the vent...  
JP3712028B2
To provide a compressor applied only to an effective compressor impeller but not applied to an ineffective impeller according to a guideline condition on the peripheral velocity of impellers in the compressor for gradually compressing pr...  
JP2005299432A
To provide a blower of low operation noise and excellent in blower performance.A mixed flow impeller 12a including a plurality of blades 2, a motor 3 driving and rotating the mixed flow impeller 12a and an air guider 13 including a sucti...  
JP2005299659A
To provide a load lock and dry vacuum pump assembly for performing low pressure exhaustion of a load lock chamber at low cost without depending on batch processing.The assembly comprises the load lock having a load lock housing 15; a dry...  
JP2005532497A
Have a reproduction fluid pump (10) and the rotor equipped with the moving vane which compresses fluid by two fluid channels one of fluid channels. It extended between the 1st pump entrance (12a) and the 1st pump exit (14a), and one flui...  
JP2005291149A
To dissolve a problem that although there is a technique of arranging fin pitch angles unequally and offsetting positions of fins on a front and a back surface by a half pitch as a technique for reducing fan noise, an overall value of th...  
JP2005291150A
To provide a self-pressure opening and closing type pump device which can keep an opening and closing valve closed when a pressure feed pump is operated and can keep it open when a pressure feed pump is stopped so as to be able to adjust...  
JP2005282578A
To solve problems of a vortex flow fan in similar action principles to those of fluid machines generally known as voltex pumps, regenerative pumps, or vortex flow blowers, that are usable for action with lower pressure and larger blow qu...  
JP2005282500A
To provide a fluid pump reducing noise and vibration.A first pressure generation projection section 9 is provided at a position between a suction port 7 and a delivery port 8 on an inner bottom surface of a pump chamber 6. The first pres...  
JP2005220812A
To provide a motor with a built-in pump having reduced installation cost and power consumption by integrating a pump mechanism with a motor to eliminate the need for installing a pump, separately.The motor with the built-in pump 100 is f...  
JP2005214192A
To provide a lubricant-less bearing support gas friction pump characterized by a simple structure enabling the pump to be manufactured at low cost.This gas friction pump comprises a fixed pump action structure portion 14 having a rotor s...  
JP2005207278A
To provide a vortex blower capable of absorbing interference noise by a means excluding a sound absorption equipment.A casing 8 of the vortex blower forms an intake opening 10A continuous to a communicating passage 10B of an intake port ...  
JP3675608B2
To provide a compact blower device incorporating two blowers, and incorporating a sound suppressing chamber for discharge gas and cooling gas. A blower device 1 has a box-like housing 10 in which two blowers are arranged up and down. An ...  
JP2005194994A
To provide a turbo vacuum pump using a circumferential flow blade element, in which a large amount of flow rate exhaust can be implemented in the vacuum range from several Pa to tens of thousands of Pa.The turbo vacuum pump is provided w...  
JP2005180372A
To prevent a boundary layer generated on the surface of a hub from being locally concentrated and increase the efficiency of a compressor by reducing the thickness of the boundary layer.This impeller 10 of the compressor comprises a plur...  
JP2005171987A
To provide a small-sized mixed flow fan motor with increase in the static pressure of the fan motor and by motor revolution at a lower noise level than the conventional case, without reducing the wind volume.The small-sized mixed flow fa...  
JP2005163598A
To materialize a small size, low noise pipe fan capable of generating high air flow and static pressure with a little electric power consumption.Air on a room side is discharged to the outside from a front panel 3 through a bell mouth 5 ...  
JP3656374B2
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...  
JP3638056B2
To provide a fuel pump whose fuel discharge quantity can be regulated through a simple method and its manufacturing method. The thickness of a housing 11 is set up so that in a state where an auxiliary housing 50 is not attached, the mag...  
JP2005076631A
To provide a structure for a combination pump of small size, enabling pumping to be performed from 1,000 mbar down to 10-8 mbar normally required in some kinds of industries, and suitable for being integrated into vicinity of a vacuum en...  
JP2005069127A
To prevent lowering of pump efficiency by approaching the center of a swirl flow in a vortex pump 1 to the axial outer edge of a blade 3 to decrease an area inhibiting the air from returning to a blade passing part 18.When the axial widt...  
JP3612221B2  
JP2004316581A
To provide a motor-driven air pump capable of rapidly expanding and contracting an expandable object with an impeller being operated in extremely low idling pressure.In the motor-driven air pump, a bottom wall and a barrier wall respecti...  
JP2004308622A
To provide a mixed flow impeller capable of achieving inexpensive and efficient article posture without impeding air blow performance of the impeller.In the mixed flow air blower in which a plurality of vanes are arranged around a trunca...  
JP2004308653A
To provide a fan, especially a combustion air fan of a heater for a vehicle, which has a high conveyance effect despite its extremely simple structure.The fan has a fan housing 12 provided with an inlet range and an outlet range 20 for a...  
JP3584305B2  
JP2004257360A
To solve problems that as a driving means of an opening and closing valve for a secondary air passage, a means using negative pressure has concern for failure in highland having low atmospheric pressure, a means using discharge pressure ...  
JP3564912B2
To prevent reduction of a discharge flow rate at a high air temperature period, in a fuel pump for an internal combustion engine consisting of a regeneration pump. A given range from the starting end of a pump flow passage forms a fuel i...  
JP3548575B2  
JP2004197848A
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 bearin...  
JP2004162659A
To enable an full-closed operation of a regenerative blower, and to improve cooling effect of a bearing.Rotation of a main shaft 3 of an electric motor rotates an impeller 4 of a blower part 2 to make a plurality of blades 5 create wind,...  
JP2004516401A
It is a two-step compressor which has the 1st stage of a 混 style type, the 2nd stage of a centrifugal type, and a middle duct. A centrifugal rotor (2) has a sequence of the direction of a circumference of the centrifugal style braid (1...  
JP2004150298A
To provide a hydrogen pump and a fuel cell system using the hydrogen pump capable of protecting the hydrogen pump from locking due to freezing without lowering pump performance.In the hydrogen pump, hydrogen gas is sucked and exhausted i...  
JP3519654B2
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 constitute...  
JP2004511705A
The pump constituted as a by-pass type pump, especially vacuum Pons consist mainly of the stator (14) of the rotor (16) to drive and stationing. The pumping passage through which it circulates in the direction of a circumference is demar...  
JP2004116509A
To provide a vortex fluid machine having a simple structure and high efficiency requiring no complicated machine work, which is low in price and is usable in multiple stages.Two and three-stage compression is performed by an axial and le...  
JP3513367B2
To uniformize the distribution of speeds by inclining a line of intersection of a cylindrical surface around the center of an impeller and a pressure surface (negative pressure surface) of a vane in relation to a rotary shaft, and formin...  
JP2004092478A
To provide a vortex type vacuum pump that can increase the number of rotor rotations of the pump and can improve the pump performance.A slot 12 for generating a vortex is formed on a stator 2 and a projection 31 for forming a seal sectio...  
JP2004060626A
To provide a low-cost product by improving the construction of a blade for generating a swirling current and simplifying the multistage construction while greatly reducing the number of parts of a high-compression-ratio blower and a vacu...  

Matches 401 - 450 out of 1,504