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JP2012188983A |
To attain miniaturization, high output and electric power-saving, in a diaphragm pump.This diaphragm pump 1 includes two pump heads 2 and 3 and one motor 4 for driving them. Two output shafts 5a and 5b simultaneously rotating by driving ...
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JP5029692B2 |
Warping of a piezoelectric layer is eliminated, and even if a tensile stress is applied to the piezoelectric layer due to vibration, a risk that the piezoelectric layer will break is reduced. A piezoelectric pump (100) includes a piezoel...
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JP5027930B2 |
A pump arrangement includes a pump having a pump inlet and a pump outlet, and a safety valve arranged between the pump outlet and an outlet of the pump arrangement and having a valve seat and a valve lid. The valve seat, the pump outlet ...
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JP5012889B2 |
A piezoelectric micro-blower that allows for a high flow rate of a compressible fluid without the use of a check valve and can minimize leakage of noise to the outside is provided. A blower body 1 is provided with a first wall 12 and a s...
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JP5003018B2 |
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JP5000571B2 |
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JP4971363B2 |
A motor and pump assembly for providing pressure to a brake actuating device of a motor vehicle brake system is described herein. The assembly comprises an electric motor and a double diaphragm pump. The pump includes a pump housing, two...
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JP2012124246A |
To propose a heat radiator which takes advantage of the features of a thin-profile piezoelectric microblower to make it easily usable in electronic equipment having a slim body.An air inflow port is formed on one side of the body of elec...
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JP4959936B2 |
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JP4952785B2 |
There is provided an energy-saving vibration generating and cooling apparatus with a small volume in which convection is created inside and outside its cabinet and which can effectively transfer heat. It includes a motor 4, a magnetic vi...
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JP4947601B2 |
A fluid transportation device (20) includes a valve seat (21), a valve cap (22), a valve membrane (23), multiple buffer chambers (223, 215), a vibration film (241) and an actuator (242). The valve membrane (23) is arranged between the va...
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JP4945661B2 |
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JP2012077677A |
To provide a piezoelectric micro blower shifting the position of a discharge port from a central part of a housing.In the piezoelectric micro blower, a blower chamber 5 is formed between a blower housing 1 and a diaphragm 20 with a piezo...
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JP4920847B2 |
An active pneumatic component for pneumatically controlling a hydraulic bearing includes an electrically driven oscillating membrane pump combined with a multiway valve into an integrated structural component, in such a way that an armat...
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JP4911171B2 |
A piezoelectric pump comprises a pump body with a pump chamber and a piezoelectric element supported by the pump body so as to close the pump chamber and bent by voltage application so as to change the volume of the pump chamber. The pie...
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JP4904946B2 |
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JP2012057632A |
To provide a low-cost diaphragm pump having a simple configuration for space-saving, and improved seal performance of a valve part.The diaphragm pump includes: a pump chamber formed of a diaphragm and expanded and contracted; a suction p...
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JP4900503B2 |
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JP2012047072A |
To miniaturize an air pump (compactification), to reduce vibration and noise, and to solve air leakage.The air pump has a diaphragm for sending air by reciprocating movement, a motor reciprocating the diaphragm, a diaphragm case for hous...
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JP4890232B2 |
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JP4887652B2 |
A jet generating device includes a housing having an opening and containing gas therein, a vibrating member which is supported by the housing so that the vibrating member is capable of vibrating and which vibrates the gas to discharge th...
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JP2012036789A |
To provide a compact electromagnetic vibration type pump that prevents vibration and noise generated by the pulsation of air by a simple constitution.A reservoir tank 3 for temporarily reserving air sent from the pump 2 is connected to t...
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JP4873014B2 |
An object is to provide a piezoelectric micro-blower capable of efficiently conveying compressive fluid without use of a check valve and ensuring a sufficient flow rate. A blower body 1 has a first wall 1a and a second wall 1b. Openings ...
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JP4851460B2 |
Suction pump comprises a ventilating valve having a ventilating body which is operated in such a way that it releases only a partial region of a ventilating opening when the valve is open and subsequently releases a larger region or the ...
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JP4850756B2 |
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JP4844236B2 |
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JP2011247117A |
To improve fatigue strength against stress generated when a diaphragm is drawn in a radial direction in a diaphragm type compressor.The diaphragm type compressor includes: a first member having a recess; a second member having a recess; ...
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JP4830261B2 |
To provide a gas pump making stable power generation possible by efficiently supplying gas of a flow rate of small pulsation in a fuel cell system. Opposite direction magnetic force alternately acts to a permanent magnet 28 by an electro...
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JP4827156B2 |
An electrostatic device includes a conductive element and a dielectric element having surfaces that are closely-spaced or contacting, a plurality of electrodes positioned adjacent to and electrically isolated from the surface of the diel...
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JP4822198B2 |
An actuator device for forced air supply comprises two diaphragms 8 and 9 facing each other, voice coils 6 and 7 attached onto surfaces of the respective diaphragms 8 and 9, a magnet 2 integral with pole pieces 3 and 4, a yoke 5 facing t...
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JP2011236891A |
To suppress the expansion and contraction of a film itself caused by the deformation of a balloon with the reciprocation of a diaphragm, to improve efficiency by achieving low energy, and to elongate a life, in a pump device which sends ...
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JP4803249B2 |
A piezoelectric pump comprises a pump body with a pump chamber and a piezoelectric element supported by the pump body so as to close the pump chamber and bent by voltage application so as to change the volume of the pump chamber. The pie...
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JP4801540B2 |
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JP4795428B2 |
A fluid pump comprising one or more actuators, two end walls, a side wall; a cavity which, in use, contains fluid, the cavity having a substantially cylindrical shape bounded by the end walls and the side walls, at least two apertures th...
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JP4777502B2 |
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JP4774013B2 |
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JP4770424B2 |
A diaphragm unit includes a plurality of diaphragms which are layered on top of each other. A case and the diaphragm unit define a pump chamber. The diaphragm unit has a first surface and a second surface on the side opposite to the firs...
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JP4758132B2 |
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JP4753328B2 |
There is provided a piston-chamber combination comprising an elongate chamber (70) which is bounded by an inner chamber wall (71,73,75) and comprising a piston means (76,76',163) in said chamber to be sealingly movable relative to said c...
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JP4755374B2 |
A membrane pump (104) with an operating membrane (1) delimiting a conveying space (2), and a supplemental membrane (3) arranged on the side of the operating membrane (1) facing away from the conveying space (2), with a membrane interspac...
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JP4758153B2 |
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JP4747657B2 |
A jet generating device (10) includes a vibrating member (3) which vibrates gas, a driving unit (5) which drives the vibrating member (3), and a housing (1) which has a first opening (2) and a first chamber (11) connected to the first op...
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JP2011140937A |
To properly maintain a clearance between an electromagnet and a vibrator, by preventing displacement of the vibrator in operation and stopping, by being used for replenishing oxygen, for example, in a domestic purification tank and a fis...
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JP2011520057A |
A pumping system comprising a membrane pump (1) for pumping a medium into or out of a vessel (6), the membrane pump comprising an actuating member (13) for moving a membrane (3) in a first direction from a first end position to a second ...
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JP2011516788T |
The driver system with which it is a driver system which drives a diaphragm type pressure wave generator, and the reciprocatable drive piston (19) of each other was combined with the end of the side opposite to, or such end slippage, res...
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JP4677744B2 |
The present invention provides a jet flow generating apparatus that suppresses noise as much as possible and effectively radiates the heat generated by a heat generating member, an electronic device that is equipped with the jet flow gen...
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JP4675529B2 |
To provide a technique effective for performing the suitable regulation of a blower corresponding to the operation load of an aerobic treatment tank, in a wastewater treatment apparatus having a treatment tank filled with a carrier havin...
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JP4670200B2 |
A casing body is formed with a vent hole. The casing body has an inner face formed with a plurality of grooves respectively communicated with the vent hole. A plurality of diaphragms are respectively inserted into the grooves to form a p...
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JP4670201B2 |
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JP4664309B2 |
The invention relates to a device provided with channel-type structures for transporting and/or storing a liquid and/or gaseous medium. The device comprises a first (1) substrate layer and a second substrate layer (2), and a functional e...
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