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JP4252507B2 |
Fuel pump (10) may comprise a casing (18) and a substantially disc-shaped impeller (20) which is rotatably disposed within the casing (18). A first group of concavities (21a) may be formed in a lower face of the impeller (20). A second g...
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JP4239576B2 |
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JP4235665B2 |
In a fuel pump in the form of a side-channel pump for a motor vehicle two partially annular ducts (21, 22) concentrically enclosing one another are connected to one another via a connecting duct (29). Connections (33, 34) of the connecti...
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JP2009038943A |
To provide an armature that reduces friction against liquid.The armature 12 is stored in a motor casing 30 filled with a liquid. At least a part of its outer peripheral face is formed of a porous material having a plurality of voids. By ...
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JP2009022131A |
To provide an armature being manufactured with high efficiency and reducing friction against fluid.This armature accommodated in a motor casing filled with liquid is provided with a laminated core in which a plurality of magnetic plates ...
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JP4209748B2 |
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JP4206734B2 |
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JP4205475B2 |
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JP2008298070A |
To provide a fuel pump module, a fuel pump assembly and vessel assembly applied to a variety of vehicles.The fuel pump assembly includes a fuel pump and an electric motor to rotate the fuel pump. The motor is equipped with an armature an...
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JP2008301697A |
To provide an electric fuel pump which prevents an electric system between a magnet wire and a power supply apparatus from being corroded and is available in a fuel of a fuel storage tank.A connection portion 37 of the magnet wire 31 to ...
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JP4191646B2 |
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JP4190588B2 |
The invention relates to a side-channel pump having an intake cover (10), which is used in pumping fuel in a motor vehicle. The intake cover (10) has a side channel (11), extending radially about a pivot point (14) in the intake cover (1...
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JP2008542612A |
A delivery unit for delivering fuel from a tank to the internal combustion engine of a motor vehicle comprises an impeller revolving in a pump chamber. The impeller, on at least one end face, has a ring of blades spaced apart from one an...
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JP4177602B2 |
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JP2008261282A |
To provide a fuel pump having a component subjected to alumite treatment, not only having excellent corrosion resistance and wear resistance but also high in separation resistance, and hardly causing a crack, and also to provide an alumi...
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JP4168264B2 |
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JP4163760B2 |
A unit for delivering fuel from a supply tank to an internal combustion engine, having a disklike impeller driven to revolve in a pump chamber, on whose circumference a number of blades are disposed, and having at least one supply condui...
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JP2008232060A |
To provide a westco pump capable of reducing friction resistance between an impeller and pump casings, reducing clearances between the impeller and the pump casings and improving the pump efficiency.A top portion 38b of the discharge-sid...
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JP4158154B2 |
An electrical motor includes a commutator attached to one side of an armature in an axial direction, and a cover structure member attached to the other side of the armature. The cover structure member includes a cover and plural terminal...
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JP2008223665A |
To provide a fuel pump which suppresses deterioration of discharge efficiency when increasing a discharge flow rate by enlarging the cross-sectional area of a flow passage.Thickness dimension t is set larger to satisfy D/t8.4 where D rep...
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JP4143360B2 |
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JP3144292U |
To provide a pump for a water purifier capable of efficiently supplying drinking water and improving quietness. A disc-shaped turbine T in which a plurality of working grooves 101 for generating a vortex flow are formed in the radial dir...
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JP2008180196A |
To provide a fuel pump capable of reducing number of components of a fuel pump and securing wear resistance and corrosion resistance of a shaft bearing part.In the fuel pump 10 provided with a drive motor 12, an impeller 16 driven by the...
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JP2008528852A |
A vacuum side channel compressor ( 10 ) comprises a pump stator ( 14 ) and a pump rotor ( 12 ), which surround a side channel ( 31,32,33,34 ). An axial bearing ( 22 ) is provided for mounting the pump rotor ( 12 ). A sealing gap ( 40 ) i...
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JP2008163934A |
To provide a fuel pump that supplies fuel to an internal combustion engine and a sub-tank from two rows of pump passages formed at radially shifted positions, to prevent excessive supply amount of fuel from the fuel tank to the sub-tank ...
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JP2008163858A |
To provide a pump unit superior even in safety, for delivering an air-dissolved liquid under relatively high pressures.This pump unit X has a base body 1 having a pipe L1 and a pipe L2, a circulating pump 2, a gas-liquid separating tank ...
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JP2008157218A |
To provide an urea water pressure pump capable of preventing urea water from being frozen in a delivery pipe used for delivering the urea water to an area where the urea water is mixed with exhaust gas when the urea water is pumped throu...
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JP4112482B2 |
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JP2008522093A |
A pump for liquids at positive pressure, includes a pump chamber ( 18 ) accommodating an impeller ( 24 ), wherein the impeller ( 24 ) is axially biased against a non-rotating support element ( 48 ) which determines the axial position of ...
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JP4105059B2 |
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JP2008520176A |
A fuel pump has a pump stage (2) driven by an electric motor (1). Brushes (17) for contacting a commutator (16) are radially arranged next to a rotor (6). To this end, a stator (4) encircling the rotor (6) has pockets for accommodating t...
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JP4095799B2 |
A regenerative type electric motor fuel pump has a vapor vent passage disposed outside of a fuel pumping channel and communicating the fuel pumping channel with the exterior of the fuel pump to vent fuel vapor from the fuel pumping chann...
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JP2008101518A |
To reduce flow resistance of fuel, by effectively using vapor by cavitation, when rotating an impeller; and to reduce the flow resistance of the fuel even in a part of not capturing the vapor, by forming a coating film layer having high ...
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JP2008095560A |
To provide a fluid pump restraining fuel from flowing into a clearance between a casing and an impeller and discharging a foreign matter in the flowing-in fuel, smoothly out of the clearance without accumulating it.Grooves 46 extending o...
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JP2008095538A |
To provide a technology for reducing leakage loss and preventing an impeller from sticking to a pump casing in a fluid pump.The fluid pump has the pump casing 45 and a disk-like impeller 41 rotatably held in the pump casing. The pump cas...
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JP2008099456A |
To provide an axial gap type motor which can improve output torque by the increment of winding, while suppressing the size increse in the radia;radial direction of a rotor magnet and the full height of a core.This axial gap type motor in...
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JP4076581B2 |
PCT No. PCT/CH96/00117 Sec. 371 Date Oct. 1, 1997 Sec. 102(e) Date Oct. 1, 1997 PCT Filed Apr. 2, 1996 PCT Pub. No. WO96/31934 PCT Pub. Date Oct. 10, 1996The rotary machine comprises a driven rotor and an electric motor having a stator a...
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JP2008081839A |
To provide a member made of an aluminum alloy in which a high quality alumite coating having a uniform thickness, a smooth surface, and excellent hardness, corrosion resistance, wear resistance or the like regardless of the material comp...
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JP4072886B2 |
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JP4074546B2 |
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JP4069760B2 |
In a fuel pump (10), four permanent magnets (30) are installed in a housing (12). An armature (40) is installed inside the permanent magnets (30) rotatably. Six magnetic pole coil portions (50) of the armature (40) are installed in a cen...
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JP4067994B2 |
A fuel pump prevents pressurized fuel from being pulled into a clearance between an outer circumference face of an impeller and an inner circumference face of a pump case, thereby allowing the delivery of the pressurized fuel from a pump...
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JP4062007B2 |
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JP2008051020A |
To prevent contact of an impeller with foreign matter accumulated near an outer periphery of an impeller so as to prevent degradation in pump efficiency, in a fuel pump.A pump part 12 of the fuel pump 10 is provided with the impeller 20 ...
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JP4052734B2 |
To allow press fit of feed terminal to a through hole provided in a socket bottom hole in an electric pump device having an end cover with a socket fixed to an end portion of the electric motor while ensuring a good sealability between t...
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JP2008038817A |
To provide a vortex pump with high performance and capable of performing stable operation while suppressing the pump height low.The vortex pump comprises an inlet port 4 communicating a casing in which a boosting passage is formed and on...
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JP4045389B2 |
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JP2008005689A |
To provide a fuel pump which has reduced in size in the radial direction compatible with shortening of the axial length.The fuel pump comprises a positive electrode brush 81 and a negative electrode brush 82 for supplying electricity by ...
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JP2007325329A |
To prevent the contact of a rotor and a stator coil by axially supporting the rotor without the need for installing a different component, in an axial gap type motor with the stator coil axially arranged with respect to the rotor. A core...
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JP4013254B2 |
A fuel pump having a pumping impeller and an electric motor integrally contained in a cylindrical housing is submerged in a fuel tank of an automotive vehicle. The fuel pump pumps up fuel in the fuel tank and supplies pressurized fuel to...
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