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Matches 401 - 450 out of 1,520

Document Document Title
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...  
JP3843781B2
To solve such a problem with the conventional structure of a vortex flow fan that noise is high and air quantity is small though a pressure is high. Where the outside diameter of an impeller is D, a clearance between the outer periphery ...  
JP2006283702A
To miniaturize a valve drive device and improve control response.Since self opening type valve 9 is constructed to be driven and opened by torque of an electric air pump 3, namely motor torque of a motor shaft 5 of an electric motor 4, a...  
JP3829349B2
To surely reduce noise at an arbitrary position by providing a control means for outputting a control sound signal to a speaker in order to radiating predetermined control sound against sound caused by rotation of a fan body. An air-cond...  
JP3810672B2
To provide an impeller for vortex blower suitably usable for a vortex blower provided with a blade having a three-dimensional shape, and a method for manufacturing the same. This impeller 1 for vortex blower is formed as a two-divided st...  
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...  

Matches 401 - 450 out of 1,520