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Patent Searching and Data


Matches 1,301 - 1,350 out of 2,926

Document Document Title
JP2004190611A
To provide a highly efficient and small-sized pump for an electronic apparatus and a cooler.This pump, provided with a pump room constituted of a casing and a diaphragm; an inflow opening and a delivery opening and for communicating the ...  
JP2004183567A
To facilitate molding for manufacturing a diaphragm.A cylindrical mounted body 30 is molded integrally with a lower end of a piston 28 disposed to each diaphragm part of the diaphragm. A mounting hole 16 to which the mounted body 30 is f...  
JP2004516113A
The respiratory assistance apparatus has a compressor (1) with a compression chamber (1) divided into two compartments (3,4) connected to an inlet for air or respirator gas and a vent (6,8) for compressed air. The compartments are divide...  
JP2004156527A
To provide an air pump for septic tank capable of being connected even though air pipes of an aerobic pipe and a backwash pipe are laid reversely by mistake.The air pump with a passage changeover function comprises a pump body 2, an air ...  
JP2004138009A
To provide an electromagnetic vibration type pump capable of improving pump performance by increasing propulsion force of an oscillator.This electromagnetic oscillation type pump is provided with electromagnets oppositely arranged in a c...  
JP3525356B2
PURPOSE: To reduce length and to down size a pump by rotatably and directly supporting a collar to a case of a motor. CONSTITUTION: A collar 14 is fixed to an output shaft 2 of a motor 1, and rotatably supported to a case of the motor 1 ...  
JP2004124928A
To provide a bellows pump capable of being used as a hydrogen pump, successively sucking without actually causing pulsation, and successively discharging with constant flow rate and pressure.The bellows pump is equipped with a plurality ...  
JP2004124894A
To provide a diaphragm pump capable of reducing pulsating flow generated during repeat of intake air and exhaust air, as much as possible.This diaphragm pump has pump chambers 20A, 20B, 20C and 20D with intake valves 16 and exhaust valve...  
JP3521627B2
To ensure a preferable discharge from a diaphragm pump even in a lower or higher rotating range of its camshaft. The oscillation of a cam lever 22 constituting the working member reciprocates a diaphragm to induce or discharge air therei...  
JP3515070B2
To automatically restart the operation of a pump when a movable direction selector valve of a center rod of the pump is stopped at its intermediate position and the operation of the pump is stopped. This device comprises the selector val...  
JP3504516B2
To provide a solenoid pump which improves the durability of a diaphragm. In this solenoid pump in which a vibrator is supported to a diaphragm provided in a suction and compression chamber, a projection 26 (a fitting projection) is provi...  
JP2004506846A
The present invention reveals a method and apparatus for more efficiently injecting a primary fluid flow in a fluid ejector used to pump lower velocity fluid from a secondary source. In one embodiment, the primary fluid flow is a pulsed ...  
JP3500365B2
To provide an electromagnet part where assembling property of an iron core and working efficiency can be improved. In the electromagnet part, a core-holding tool for positioning and holding the iron core is arranged in the inner peripher...  
JP3497831B2
To provide an injector capable of relaxing a pressure change inside each chamber when reciprocating a pressurizing mechanism and capable of improving the service life of structural parts such as a diaphragm. This injector 1 is provided w...  
JP2004036572A
To provide an air pump increasing a suction/exhaust flow rate of gas and capable of realizing miniaturizing.The air pump is provided with a pump case 1; diaphragms 21, 22 for partitioning the inside of this pump case 11 to pump chambers ...  
JP2004036577A
To provide an air pump in which a suction/exhaust efficiency is not reduced by unbalance of a plurality of pump chambers.The air pump 10 is provided with the pump chamber P1, P2 constituted by suction chambers 33, 63 having suction ports...  
JP2004036404A
To provide an electromagnetically vibrating diaphragm pump for miniaturizing the whole pump.This electromagnetically vibrating diaphragm pump has an electromagnet part for oppositely arranging electromagnets in a frame, a vibrator insert...  
JP3492228B2
To obtain a core which can enhance the thrust of a vibrator arranged in a gap between opposite electromagnets, which reduces the noise from a pump and by which an electromagnetic part can be totally enclosed. This core 16 is composed of ...  
JP2004019528A
To prevent a service life from being shortened by a change of material quality or the like due to repeated deformation of components formed of a soft material such as a diaphragm part and a discharge valve by a pumping effect, or to prev...  
JP3485551B2
To provide an electromagnetic vibratory pump which can miniaturizes a pump and reduces noises and the production cost. In the electromagnetic vibratory pump including an electromagnet part, a vibrator supported in the electromagnet part ...  
JP3485478B2
To improve vibration control and sound proof effect by assembling the bottom part of a case having a bottom to be in upper position so as to increase the rigidity of the case having the bottom. This pump is constructed in such a manner t...  
JP2003343445A
To prevent vibration of a valve caused by opening/closing of a discharge valve when a pump is operated for preventing generation of noise by vibration of the valve. This diaphragm pump has at least one diaphragm part. A pump chamber is f...  
JP2003343469A
To reduce consumption of motive power, while suppressing grow in size and increase in cost of a vacuum pump. Main pump chambers 51 to 55 and main rotors 23 to 27 constitute a main pump 49. An auxiliary pump chamber 33 and auxiliary rotor...  
JP2003343441A
To provide an electromagnetic diaphragm pump capable of effectively using an almost whole surface of a filter in simple structure to maintain a filter function over a long period. This electromagnetic diaphragm pump is provided with an e...  
JP2003343446A
To provide an electromagnetic vibration type diaphragm pump capable of improving efficiency and a power factor. This electromagnetic vibration type diaphragm pump comprises an electromagnet part comprising electromagnets of an E-core and...  
JP2003328950A
To provide an absorption refrigerator requiring no daily maintenance of an extraction pump, causing no increase in running cost, nor a problem of waste oil disposal in the extraction pump.The absorption refrigerator B has an extraction l...  
JP2003328952A
To provide a diaphragm type vacuum pump to be used as a bleeding pump of an absorption refrigerating machine wherein no daily maintenance is required, the running cost is prevented from rising, and no problems concerning waste oil dispos...  
JP2003293959A
To provide an air pump that retards degradation of a diaphragm, suppresses vibration, noise and the like caused when gas is sucked and discharged, and is reduced in size.The air pump 1 comprises: a pump case 2; and the diaphragm 20 parti...  
JP2003286962A
To reduce heat loss of heat carrying medium in a bellows 24 caused by atmosphere between a casing 22 and the bellows 24.A regenerator 25 is provided between a drive shaft 27 and the casing 22 through bearings 18. The regenerator 25 is fo...  
JP2003286960A
To provide an air jet device, a power generating device using the same device, and a monitoring device using the power generating device, capable of dispensing with an external power source or wiring construction to facilitate installati...  
JP2003286961A
To provide a cold transfer device provided with a transfer pump with no limits to temperature of cold transferred.A bellows 10 is provided in a casing 22, and one end of it is tightly attached to a lid 23 of the casing 22. A suction port...  
JP2003269339A
To provide an electromagnetic vibratory type diaphragm pump wherein nonlinear vibration which is an abnormal phenomenon occurring due to a springing characteristic of a diaphragm being nonlinear is prevented.The electromagnetic vibratory...  
JP2003269337A
To provide a diaphragm pump with a diaphragm main body integrally formed for downsizing with a diaphragm part forming a pump chamber, and a suction valve having a thin valve part on a plate-like part connecting diaphragm parts of the dia...  
JP2003206868A
To solve such problems with a diaphragm air pump having an electromagnetic reciprocating driving device used as a drive source and a switch mechanism used for interrupting a power when a diaphragm is damaged that (1) a part of a lever pa...  
JP2003206866A
To provide an energy acquiring type pump of simple structure.In this energy acquiring bellows type energy amplifying pump, fluid is pumped up by a simple force generated by utilizing the state of vacuum caused when a bellows is extended.  
JP3428854B2
To provide an electromagnetic pump which is small in size, high in output, and capable of increasing a pump performance. An electromagnetic pump is structured so that it is provided with a magnet exposed type oscillator 46 which is vibra...  
JP3422906B2
To provide an electromagnetic pump to easily and reliably couple a screw shaft to an end of a vibrator body. A vibrator body 61 is made of a metal. An electromagnetic pump comprises provided at the end part of the body 61 with an approxi...  
JP3420684B2
To reduce noise caused by an oscillator. This pump is constituted by arranging an oscillator 46 to be oscillated in the axial direction by electrification to electromagnets between a pair of these alternating electromagnets and connectin...  
JP3422898B2
To provide a miniaturized electromagnetic pump. This electromagnetic pump is constituted to be furnished with a main body case 1 on one side of which a compressor 22 provided with a diaphragm 40 and an iron core storage chamber 15 surrou...  
JP3415489B2
To provide a small and relatively low-cost air pump device capable of easily increasing/decreasing pump capacity by connecting a plurality of pump bodies to each other through a casing. Pump mechanisms 4 (4A, 4B) are provided with first ...  
JP2003155982A
To provide a diaphragm type pump device which easily changes characteristics of flow rate and flow pressure.This diaphragm type pump device has switching means 42, 44 capable of switching between a compression chamber parallel connection...  
JP2003148354A
To enlarge the capacity of a pump chamber to increase pump delivery quantity while keeping the size of the whole body of a pump compact without changing it.A diaphragm part for forming the pump chamber is formed to correspond to pump out...  
JP3400576B2
PURPOSE: To prevent generation of noise at the time of sucking and discharging air by a diaphragm. CONSTITUTION: Air sucked and discharged by a diaphragm 18 is delivered while being stayed in a tank member 19 to absorb a beat sound produ...  
JP3400515B2
PURPOSE: To prevent noise which is generated at the time of suction/discharging action of air by a diaphragm from being transmitted to water tank. CONSTITUTION: A tank member 19 having an air reservoir chamber 23 for reserving intake air...  
JP2003120521A
To enhance the working efficiency of a small pump using diaphragms by facilitating assembling of an eccentric rotary shaft for vertically moving the diaphragms.In the small pump 23 to perform the pumping operation by vertically moving th...  
JP3399897B2
To speedily stir and mix two or more kinds of chemicals in a pump so as to have uniform concentration. A diaphragm 7 such as axially reciprocating bellows, a diaphragm or the like is provided in the inside of a pump body 1 so as to form ...  
JP2003512632A
A sampling system for detecting an analyte, comprising a diaphragm pump, a buffer chamber, a sensor head and intake port. The pump includes a chamber for receiving fluids via first and second ports. A buffer chamber is located at the sec...  
JP3391585B2
PURPOSE: To prevent the occurrence of a noise, and also improve a valve function so as to completely shut out air reverse flow. CONSTITUTION: The check valve of an air pump has connecting openings 143, 145 whose both ends can be airtight...  
JP2003083257A
To provide a miniaturizable electromagnetic vibration type pump capable of maintaining safe operation of a pump.This electromagnetic vibration type pump comprises an electromagnet portion composed of an iron core and a winding coil porti...  
JP3386550B2
PURPOSE: To provide the air control device of an air pump capable of easily regulating a delivering air quantity of the air pump. CONSTITUTION: An electromagnet drive mechanism is mounted on a housing capable of advancing/retreating towa...  

Matches 1,301 - 1,350 out of 2,926