WO2007004676A1 - Fuel pump - Google Patents
Fuel pump Download PDFInfo
- Publication number
- WO2007004676A1 WO2007004676A1 PCT/JP2006/313414 JP2006313414W WO2007004676A1 WO 2007004676 A1 WO2007004676 A1 WO 2007004676A1 JP 2006313414 W JP2006313414 W JP 2006313414W WO 2007004676 A1 WO2007004676 A1 WO 2007004676A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel
- pump
- fuel tank
- tank
- motor
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D5/00—Pumps with circumferential or transverse flow
- F04D5/002—Regenerative pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
- F02M37/103—Mounting pumps on fuel tanks
Definitions
- the present invention belongs to the technical field of fuel pumps mounted on vehicles such as motorcycles.
- the fuel pumps constituting the fuel supply device for this type of vehicle are configured such that the fuel pump is provided at the bottom of the fuel tank and the fuel pump is driven while immersed in the fuel.
- the fuel pump is configured such that the pump portion is disposed below the cylindrical case body, and the motor portion that drives the pump portion is disposed above the case body, so that the fuel in the fuel tank is reduced. It also enables fuel supply.
- an electric power source is configured such that a commutator is provided on a motor shaft, an external power supply is supplied via a brush that is in sliding contact with the commutator, and thereby the motor shaft is rotated.
- a fuel discharge part is provided on the motor part side (Patent Document 1).
- the fuel discharge unit is provided with the fuel tank facing upward, so that a fuel tank is used using a pipe connected to the discharge unit. It will be pulled out from the inside and guided to the engine side (Patent Document 2).
- Patent Document 1 JP-A-10-47291
- Patent Document 2 Special Publication 2003/044357
- the fuel discharge part is provided on the motor part side, and the flow path of the fuel sucked into the case body is the inside of the case body of the fuel pump, that is, the motor. It is configured to pass between the rotor constituting the part and the case body to reach the bracket on the motor part side. For this reason, the permanent magnets arranged on the inner periphery of the case body and the rotor There is a problem that a fuel flow path must be ensured between the outer periphery and the motor unit is made compact, that is, there is a limit to the compactness of the fuel pump.
- the present invention has been created in view of the above-described circumstances for the purpose of solving these problems.
- the invention of claim 1 is directed to a fuel pump provided at the bottom of a fuel tank.
- a fuel suction part for sucking fuel into the pump part is provided on the pump part side of the case body.
- the fuel discharge part for discharging the fuel to the outside of the pump part is formed in the vertical direction.
- the invention of claim 2 is the fuel pump according to claim 1, wherein the fuel pump is supported in the fuel tank via a pump stay, and the pump stage communicates with the fuel tank and is below the bottom of the fuel tank.
- a fuel supply part is formed which stores fuel and supplies it to the suction part.
- the invention of claim 3 is the fuel supply unit according to claim 2, wherein the fuel supply unit is provided with a fuel filter, and the fuel from the fuel tank is filtered and stored.
- a fourth aspect of the present invention is the pump stage according to any one of the second or third aspects, wherein the pump stage is formed with a guide path for guiding the fuel discharged from the fuel discharge portion to the outside.
- the invention of claim 5 provides the pump stage according to any one of claims 2, 3 and 4.
- the force bra portion connected to the external power source is formed so as to protrude downward from the bottom of the fuel tank.
- a sixth aspect of the present invention is the motor unit according to any one of the first to fifth aspects, wherein the motor portion is constituted by a brush type electric motor.
- the fuel pump can be made compact, the piping to the engine side can be shortened, and the configuration can be simplified.
- the number of parts can be reduced and the configuration can be simplified, while the fuel supply to the fuel pump can be performed stably and reliably.
- a fuel filter having a large force can be used without separately providing a space for disposing the fuel filter, and a more excellent fuel pump can be obtained.
- the configuration of the flow path to the engine side can be simplified, and the fuel supply device can be downsized.
- the configuration of the fuel supply device can be further simplified and compactness can be achieved.
- FIG. 1 is a cross-sectional front view of a fuel pump.
- FIG. 2 is a perspective view of a partition plate.
- reference numeral 1 denotes a fuel pump constituting a fuel supply device.
- the fuel pump 1 is attached to a fuel tank 2 to be described later, and is a pump part P located below the bottom 2a side of the fuel tank 2 And a motor part M above the pump part P.
- the motor part M and the pump part P are configured to include a cylindrical yoke 3 that constitutes the case body of the present invention, and an upper step 3a is formed on the cylindrical end surface of the upper end of the yoke 3.
- An outer peripheral edge portion of the ring-shaped upper bracket 4 constituting the upper end portion of the case body is caulked to the upper step portion 3a.
- Reference numeral 5 denotes a armature constituting the motor part M, and the upper end of the armature shaft (motor shaft) 5a constituting the armature 5 is a bearing part recessed in the shaft core part of the upper bracket 4 It is rotatably supported by 4a. Further, the force with which the commutator 6 is physically fitted to the upper end portion of the armature shaft 5a is connected to the outer peripheral surface of the resin ring-shaped portion 6a with the conductive commutator piece 6b surrounding it. Configured to be provided in multiple directions Has been.
- a pair of brush holders 4b are formed in the circumferential direction on the lower end surface of the upper bracket 4, and the brushes 7 biased toward the inner diameter side are respectively applied to the brush holder 4b.
- the tip end surface of each brush 7 on the inner diameter side is set so as to abut on the commutator piece 6b in a resilient manner.
- a plurality of ring-shaped core members 5b are externally fitted below the outer fitting portion of the commutator 6 of the armature shaft 5a.
- a plurality of coils 5c conducting to the commutator piece 6b are provided, and thereby the armature 5 is configured.
- Reference numeral 8 denotes a pair of permanent magnets fixed to the inner peripheral surface of the yoke 3 facing the armature 5 at a predetermined interval in the circumferential direction.
- the permanent magnet 8 and the outer surface of the armature 5 are fixed to each other.
- the circumferences are set so as to be close to each other.
- the lower end 5d of the armature shaft 5a has a through hole 9a formed in the shaft core portion of the ring-shaped lower bracket 9 fixed to the lower end portion of the leg yoke 3 constituting the pump portion P. And is rotatably supported by a bearing 9b disposed in the through hole 9a. Then, as will be described later, by supplying an external power source to the brush 7, the coils 5c are excited via the commutator piece 6b, whereby the armature core 5 has a magnetic pole formed by the permanent magnet 8. It is set to rotate in the yoke 3.
- the outer peripheral edge portion of the lower bracket 9 is disposed in abutting manner below the lower bracket 9, and together with the outer peripheral edge portion of the pump bracket 10 constituting the lower end portion of the case body of the present invention.
- a lower step 3b formed on the yoke 3 is caulked and the lower bracket 9 and the pump bracket 10 constitute a pump part P.
- a recess 9c that opens downward is formed on the lower surface of the lower bracket 9, and the lower bracket 9 abuts the pump bracket 10 against the outer peripheral edge of the outer diameter side of the recess 9c.
- a pump chamber PR is formed between the bracket 9 and the pump bracket 10.
- a lower end portion 5d of the armature shaft 5a that protrudes downward through the through hole 9a of the lower bracket 9 protrudes into the pump chamber PR, and the protruding lower end portion 5d has an outer peripheral edge portion.
- the impeller 11 formed with the blade portion 11a is supported in a penetrating manner by being fitted with a key, so that the impeller 11 is set to rotate as the motor portion M is driven. Yes.
- a ring-shaped concave portion 9d serving as a fuel flow path is formed facing the blade portion 11a of the impeller 11, and the ring shape
- a motor part-side discharge part 9e that opens between the motor part M and the pump part P and communicates with the recess 9d in the vertical direction is provided.
- the upper surface of the pump bracket 10 is formed with a recess 10a that protrudes into the pump chamber PR and loosely fits the lower end portion 5d of the armature shaft 5a that supports the impeller 11 in a non-rotating manner, and the impeller blade portion 11a
- a ring-shaped recess 10b serving as a fuel flow path is formed facing the (lower bracket ring-shaped recess 9e).
- a cylindrical hole fuel suction portion 10c that penetrates in the vertical direction in a state of communicating with the ring-shaped recess 10b and sucks fuel is formed, and is located at a different circumferential position from the fuel suction portion 10c.
- a cylindrical fuel discharge portion 10d that penetrates in the vertical direction while communicating with the ring-shaped recess 10b and protrudes downward to discharge the fuel to the outside is formed.
- the check valve 12 is a check valve provided in the fuel discharge section 10d.
- the check valve 12 includes a bottomed cylindrical valve body 12a and a through-hole 12b opened at the bottom located above the valve body 12a.
- the check valve 12 is arranged so as to be movable in the vertical direction in the fuel discharge part 10d, and has a function as a relief valve, so that the fuel in the pipe connected to the discharge guiding path 13g side can be When the temperature becomes high and the pressure becomes high, the valve body 12a is displaced upward to reduce the fuel pressure on the discharge guiding passage 13g side.
- a ring-shaped through hole 2b is formed in the bottom 2a of the fuel tank 2, and the through hole 2b is provided with a pump stay unit (corresponding to the pump stage of the present invention) 13. It is set to be sealed with.
- the pump stay unit 13 has a function of supporting the fuel pump 1 in the fuel tank 2.
- a bottomed cylindrical portion 13a is formed at a lower portion of the pump stay unit 13, and a flange portion 13b protruding to the outer diameter side is formed on the outer peripheral surface of the bottomed cylindrical portion 13a. ing. Then, the flange portion 13b is fixed by abutting against the fuel tank through hole 2b. By doing so, the bottomed cylindrical portion 13a is set so as to cover the fuel tank penetration 2a in a sealed manner, and in this state, the bottomed cylindrical portion 13a is disposed so as to protrude below the fuel tank 2. It is structured to be done.
- the pump stay unit 13 has a predetermined gap in the circumferential direction from the upper cylinder end of the bottomed cylindrical part 13a which is an upper part of the flange part 13b and is a part fitted into the fuel tank 2.
- a plurality of stage pieces 13c extending upward are formed as a body, and a fixed piece 13d bent toward the inner diameter side is formed at the upper end of these stage pieces 13c.
- the pump stay unit 13 fixes the fixed piece 13d to the upper bracket 9 of the fuel pump 1 disposed in the fuel tank 2, so that the stage piece 13c is in close proximity to the yoke 3 and the fuel pump 1
- the fuel pump 1 is fixedly supported in a standing posture in which the pump part P is in the lower side in the fuel tank 2.
- a step portion 13e having a small diameter on the lower side is formed on the inner peripheral surface of the bottomed cylindrical portion 13a protruding outward (downward) from the fuel tank 2 of the pump stay unit 13.
- a disc-shaped partition plate 14 is fixed to the stepped portion 13 3e in a sealing and abutting manner, so that the partition plate 14 partitions the inside of the bottomed cylindrical portion 13a vertically. Is set.
- the partition plate 14 is disposed below the bottom side 2a of the fuel tank 2, and faces the pump bracket 10 of the fuel pump 1 supported upright by the step piece 13c and the fixed piece 13d. It is set to be.
- the partition plate 14 is provided with a fuel finisher 15, and the fuel flowing from the upper side of the partition plate 14 to the bottomed cylindrical portion 13 a side through the through hole 2 b of the fuel tank bottom 2 a is disposed in the fuel filter 15 installation portion. Accordingly, the lower portion of the bottomed cylindrical portion 13a partitioned by the partition plate 14 is a fuel supply portion 13f in which fuel filtered by the fuel filter 15 is stored. It is configured.
- a cylindrical suction guide passage 14a is formed on the outer diameter side portion of the partition plate 14 facing the pump bracket 10 so as to face the fuel suction portion 10c and project upward.
- the suction guide passage 14a is formed in communication with the fuel supply portion 13f through a through hole 14b provided in the partition plate 14, and the projecting tip of the suction guide passage 14a has the above-described fuel.
- the pump 1 is connected by sealing it into the cylindrical fuel suction part 10c. It is. As a result, as the impeller 11 of the fuel pump 1 rotates, the fuel suction portion 10c is supplied with the filtered fuel stored in the fuel supply portion 13f via the suction guide passage 14a. It is structured as follows.
- a discharge through hole 14 c is formed on the outer diameter side located at a portion facing the fuel discharge portion 10 d of the pump bracket 10.
- the discharge through hole 14c is configured as a through hole that vertically penetrates the partition plate 14, and is set so that the fuel discharge portion 10d on the fuel pump 1 side penetrates in a sealed manner. Then, the penetrating tip of the fuel discharge portion 10d fitted into the discharge through-hole 14c is sealed with a discharge guide passage (corresponding to the guide passage of the present invention) 13g formed in the bottomed tubular portion 13a. It is set to fit into the shape.
- the discharge guiding path 13g is partitioned from the fuel supply part 13f formed in the bottomed cylindrical part 13a, and is formed adjacent to the fuel supply part 13f.
- the bottom side of the bottomed cylindrical part 13a It is formed so as to extend toward the outer diameter side, and is set so that a pipe (not shown) from the engine side is connected to the extending end portion of the discharge guiding path 13g. .
- an external force bra (not shown) is connected to the outer peripheral portion of the bottomed cylindrical portion 13a exposed from the fuel tank 2 of the pump stay unit 13 and below the fuel tank bottom 2c.
- a force bra portion 13h for inputting an external power source is formed. Then, the external power input through the force bra portion 13h is transmitted through the L-shaped first terminal plate 16, the conductive plate 16a facing up and down, and the second terminal plate 16b. In addition, it is set so as to be supplied to the brush 7 disposed in the upper bracket 4 of the fuel pump 1.
- the upper bracket 4 constituting the motor unit M is provided with a pressure adjusting device 17 as an air vent means, and the pressure in the fuel pump 1 reaches a predetermined pressure.
- the pressure adjusting device 17 is provided in a recessed hole 4c formed in a recessed groove shape downward from the upper side surface of the upper bracket 4, and communicates with the bottom surface of the recessed hole 4c on the fuel tank 2 side.
- the through-hole 4d opened as described above, a spherical valve body 17a that closes the through-hole 4d, and the valve body 17a is elastically pressed toward the through-hole 4d, and the through-hole 4d is closed by the valve body 17a.
- the valve body 17c is opened when a pressure exceeding the urging force of the ammunition 17b is applied in the motor part M, and the yoke 17 is opened via the through hole 4d.
- the fuel in 3 is set to discharge to the fuel tank 2 side.
- the armature shaft 5a rotates, and the impeller 11 The body rotates.
- the fuel is sucked into the pump part P through the fuel suction part 1 Oc stored in the fuel supply part 13f in a filtered state from the fuel tank 2.
- the sucked fuel flows through the lower bracket ring-shaped concave portion 9d and the pump bracket ring-shaped concave portion 10b formed in the opposite portion of the impeller blade portion 11a as a flow path, and the upper bracket 9 discharge portion on the motor side.
- 9e and the fuel discharge part 10d of the pump bracket 10 are set to be guided to the engine side via the fuel guide path 13g.
- the pressure adjusting device 17 is in a closed state, and is opened when the pressure in the fuel pump 1 increases, and the fuel is discharged to the fuel tank 2 side, and the pressure in the fuel pump 1 is appropriately adjusted. It is set to adjust.
- the fuel stored in the fuel supply unit 13f moves as a flow path from the fuel suction unit 10c formed in the pump bracket 10 of the pump unit P to the fuel discharge unit 10d. Therefore, a fuel flow path is not formed between the inner peripheral surface of the yoke 3 (permanent magnet 8) of the motor part M and the armature 5, so that the yoke 3 (permanent magnet) of the motor part M is formed. 8) The gap between the inner peripheral surface and armature 5 can be set as small as possible, and the fuel flow path is only at the pump part P, so the pressure loss can be reduced accordingly. Has been.
- the fuel discharge part 10d is guided to the engine side through a fuel guide path 13g arranged adjacent to the fuel supply part 13e of the pump stay unit 13, and thus, Unlike the fuel supply device, the piping from the fuel discharge part of the fuel pump to the engine side does not need to be a complicated configuration that is pulled out from the fuel tank in a sealed manner, and the fuel supply device can be made compact. Configured as Yes.
- the fuel pump 1 constituting the fuel supply device is configured such that the brush 7 is in sliding contact with the commutator 6 provided on the armature shaft 5a, and the outer periphery of the armature 5;
- the inner peripheral surface of the permanent magnet 8 provided on the inner peripheral surface of the yoke 3 is provided close to each other.
- the fuel pump 1 since the fuel pump 1 is formed in a standing manner in the pump bracket 10 of the pump part P located on the lower side so that the fuel suction part 10c faces in the vertical direction, the fuel pump 1 Since the fuel discharge portion 10d is also formed in the pump bracket 10, the motor portion M side is filled with fuel, but the yoke 3, that is, the permanent magnet 8 is The outer periphery of the armature 5 and the inner peripheral surface of the yoke 3 are provided close to each other, as it is not necessary to form a flow path between the inner peripheral surface of the fixed yoke 3 and the outer surface of the armature 5. As a result, the fuel pump 1 can be made compact.
- the fuel discharge part 10d is formed on the pump part P side (downward), the piping configuration for forming the flow path to the engine side is made to penetrate through the inside and outside of the fuel tank 2. It is not necessary to provide any piping that leads to the outside, and the fuel flow path from the fuel discharge part 10d to the engine side can be shortened, so that not only the number of parts can be reduced but also the pressure loss can be reduced.
- the fuel supply device can be made more compact and the fuel tank 2 can be made more compact.
- the fuel pump 1 is supported in the fuel tank 2 by the step piece 13c and the fixed piece 13d of the pump stay unit 13, and in this case, the pump stay unit 13 covers the through hole 2b of the bottom 2a of the fuel tank 2 in a sealing manner, and a bottomed cylindrical portion 13a is formed below the fuel tank bottom 2a.
- a fuel supply portion 13f that stores fuel to be supplied to the fuel suction portion 10c of the fuel pump 1 is formed in the bottomed cylindrical portion 13a.
- the fuel pump 1 it is possible to supply the fuel pump 1 with fuel that will not be affected even if the oil level in the fuel tank 2 changes, and to ensure that the fuel in the fuel tank 2 is low Therefore, the fuel can be supplied to the fuel pump 1 in a stable manner.
- the fuel tank 2 since the amount of effective fuel in the fuel tank 2 can be increased, the fuel tank 2 can be further reduced in size.
- the fuel supply unit 13f is provided with the fuel filter 15 so that the fuel from the fuel tank 2 is filtered and stored in the fuel supply unit 13f. It is not necessary to secure a separate installation space, and the shape of the fuel filter 15 can be increased in accordance with the size of the fuel supply section 13f. S can.
- the pump stay unit 13 is formed with a fuel guide path 13g as a fuel flow path from the fuel discharge portion 10d in the body, so that a flow path to the engine side is provided. Therefore, it is possible to reduce the size of the fuel supply system, which makes piping for the installation easy and does not require a complicated configuration.
- the fuel supply device since the force bra portion 13h for connecting an external force bra for supplying external power to the brush 7 is formed on the pump stay unit 13, the fuel supply device This can further simplify the configuration and contribute to downsizing.
- the present invention is of course not limited to the above-described embodiment, and the motor portion may be configured to use a brushless type electric motor. Even in this case, the motor portion is disposed on the inner peripheral surface of the yoke. In addition, the distance between the inner peripheral surface of the stator coil and the outer peripheral surface of the rotor can be reduced to achieve compactness, and the fuel flow path can be shortened.
- the present invention is useful for a fuel pump mounted on a vehicle such as a motorcycle, and it is not necessary to form a fuel flow path in the yoke. Therefore, the yoke inner peripheral surface and the armature outer surface are brought close to each other. In addition, it is possible to shorten the fuel flow path that does not need to be provided through the inside and outside of the piping structure for forming the fuel flow path to the engine side, so the number of parts can be reduced. Therefore, the pressure loss caused by the force can be reduced, and the fuel supply device and the fuel tank can be made compact.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200680023879.5A CN101238284B (en) | 2005-07-06 | 2006-07-05 | Fuel pump |
JP2007524093A JP4939412B2 (en) | 2005-07-06 | 2006-07-05 | Fuel supply device |
BRPI0612100A BRPI0612100B1 (en) | 2005-07-06 | 2006-07-05 | fuel pump |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-197018 | 2005-07-06 | ||
JP2005197018 | 2005-07-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007004676A1 true WO2007004676A1 (en) | 2007-01-11 |
Family
ID=37604535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/313414 WO2007004676A1 (en) | 2005-07-06 | 2006-07-05 | Fuel pump |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4939412B2 (en) |
CN (1) | CN101238284B (en) |
BR (1) | BRPI0612100B1 (en) |
WO (1) | WO2007004676A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012188985A (en) * | 2011-03-10 | 2012-10-04 | Aisan Industry Co Ltd | Fuel feeding device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5777878B2 (en) * | 2010-12-24 | 2015-09-09 | 株式会社ミツバ | Fuel supply device |
KR101579436B1 (en) * | 2014-08-28 | 2015-12-24 | 최인섭 | Apparatus for automatically controlling fuel supply pressure and fuel atomization for cars |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002303217A (en) * | 2001-04-09 | 2002-10-18 | Keihin Corp | Fuel supply system |
WO2003044357A1 (en) * | 2001-11-20 | 2003-05-30 | Mitsubishi Denki Kabushiki Kaisha | Fuel supply system for vehicle |
JP2004190491A (en) * | 2002-12-06 | 2004-07-08 | Hitachi Unisia Automotive Ltd | Fuel feeding device |
JP2006037870A (en) * | 2004-07-28 | 2006-02-09 | Aisan Ind Co Ltd | Motor pump and fuel supply system equipped with motor pump |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH048761A (en) * | 1990-04-27 | 1992-01-13 | Mitsubishi Gas Chem Co Inc | Polycarbonate resin composition |
JP3213465B2 (en) * | 1993-11-19 | 2001-10-02 | 株式会社ミツバ | Fuel supply pump |
WO2001066931A1 (en) * | 2000-03-09 | 2001-09-13 | Mitsuba Corporation | Fuel feed device for engine |
JP2004150273A (en) * | 2002-10-28 | 2004-05-27 | Keihin Corp | Fuel supply module for engine |
-
2006
- 2006-07-05 WO PCT/JP2006/313414 patent/WO2007004676A1/en active Application Filing
- 2006-07-05 BR BRPI0612100A patent/BRPI0612100B1/en not_active IP Right Cessation
- 2006-07-05 CN CN200680023879.5A patent/CN101238284B/en not_active Expired - Fee Related
- 2006-07-05 JP JP2007524093A patent/JP4939412B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002303217A (en) * | 2001-04-09 | 2002-10-18 | Keihin Corp | Fuel supply system |
WO2003044357A1 (en) * | 2001-11-20 | 2003-05-30 | Mitsubishi Denki Kabushiki Kaisha | Fuel supply system for vehicle |
JP2004190491A (en) * | 2002-12-06 | 2004-07-08 | Hitachi Unisia Automotive Ltd | Fuel feeding device |
JP2006037870A (en) * | 2004-07-28 | 2006-02-09 | Aisan Ind Co Ltd | Motor pump and fuel supply system equipped with motor pump |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012188985A (en) * | 2011-03-10 | 2012-10-04 | Aisan Industry Co Ltd | Fuel feeding device |
Also Published As
Publication number | Publication date |
---|---|
BRPI0612100B1 (en) | 2019-01-22 |
BRPI0612100A2 (en) | 2012-09-04 |
CN101238284B (en) | 2013-02-06 |
CN101238284A (en) | 2008-08-06 |
JP4939412B2 (en) | 2012-05-23 |
JPWO2007004676A1 (en) | 2009-01-29 |
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