WO1996023967A1 - Dispositif d'alimentation en carburant - Google Patents
Dispositif d'alimentation en carburant Download PDFInfo
- Publication number
- WO1996023967A1 WO1996023967A1 PCT/JP1995/002241 JP9502241W WO9623967A1 WO 1996023967 A1 WO1996023967 A1 WO 1996023967A1 JP 9502241 W JP9502241 W JP 9502241W WO 9623967 A1 WO9623967 A1 WO 9623967A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel
- housing
- supply device
- fuel supply
- pump
- Prior art date
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 181
- 239000002828 fuel tank Substances 0.000 claims abstract description 31
- 239000011347 resin Substances 0.000 claims abstract description 26
- 229920005989 resin Polymers 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims 2
- 230000005611 electricity Effects 0.000 abstract description 21
- 230000003068 static effect Effects 0.000 abstract description 21
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 2
- 238000009825 accumulation Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/161—Catalysts containing two or more components to be covered by at least two of the groups C08G18/166, C08G18/18 or C08G18/22
-
- 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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/027—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks rigidly mounted in or on tanks or reservoirs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/027—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks rigidly mounted in or on tanks or reservoirs
- B01D35/0273—Filtering elements with a horizontal or inclined rotation or symmetry axis submerged in tanks or reservoirs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/26—Filters with built-in pumps filters provided with a pump mounted in or on the casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4488—Cathodic paints
- C09D5/4492—Cathodic paints containing special additives, e.g. grinding agents
-
- 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
-
- 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
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/24—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by water separating means
-
- 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
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/42—Installation or removal of filters
-
- 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
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/44—Filters structurally associated with 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
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/50—Filters arranged in or on fuel tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
- F16L11/085—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more braided layers
-
- 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
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/46—Filters structurally associated with pressure regulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7834—Valve seat or external sleeve moves to open valve
Definitions
- the present invention relates to a fuel supply device for supplying fuel from a fuel tank to a fuel consuming device such as an internal combustion engine, and is mounted, for example, on a fuel tank of an automobile.
- An object of the present invention is to provide an improved fuel supply device in view of the above-mentioned problems of the related art.
- An object of the present invention is to enable power supply to a fuel pump with a simple configuration when the fuel filter and the fuel pump are integrally held.
- the fuel supply device of the present invention since the terminal pin for power supply of the fuel pump is insert-molded in the first housing molded of an electrically insulating resin material, it is not necessary to attach a separate electric connector. A power supply route to the fuel pump can be secured.
- the second housing that houses the fuel filter element in combination with the first housing uses a conductive material, static electricity generated in the fuel filter element can be dissipated, and the accumulation of static electricity can be prevented. Can be.
- the second housing is made of a conductive resin, and the first housing and the second housing are welded.
- the first housing is integrally formed with a lid that closes the opening of the fuel tank, and a plurality of terminal pins are exposed and exposed to the inside and outside of the fuel tank. Power supply is possible when holding in the tank.
- a plurality of terminal pins electrically connected to the fuel level gauge may be formed in the first housing by insert molding.
- the terminal pin for supplying power to the fuel pump is insert-molded in the first housing formed of an electrically insulating resin material, a separate electric power is supplied.
- a power supply path to the fuel pump can be secured without attaching a connector.
- the second housing, which is combined with the first housing and accommodates the fuel filter element is made of a conductive material, the static electricity generated in the fuel filter element can be dissipated, thereby preventing the accumulation of static electricity. can do.
- the terminal pin for power supply of the fuel pump is insert-molded on the lid portion integrally formed with the first housing by the electrically insulating resin material.
- a power supply path from the outside of the fuel tank to the fuel pump in the fuel tank can be secured without attaching a separate electric connector.
- the second housing, which is joined to the first housing and accommodates the fuel filter element is made of a conductive resin material, The static electricity generated in the fuel fill element can be dissipated and the accumulation of static electricity can be prevented.
- a fuel pipe connected to the fuel consuming device may be provided from the lid portion to the outside of the fuel tank.
- FIG. 1 is a longitudinal sectional view of a first embodiment of the present invention.
- FIG. 2 is an upper plan view of the first embodiment.
- FIG. 1 and 2 show a fuel supply device according to a first embodiment of the present invention.
- a fuel pump 110 as a functional component of a fuel supply system, a fuel filter 120, and a pre-regulator are provided on a lid 104 closing the opening 102 of the fuel tank 100.
- 130, the fuel level gauge 140, the electrical connector 150, and the fuel pipe 132 are physically assembled and unitized.
- An opening 102 is formed in the fuel tank 100 made of metal or resin.
- a lid 104 made of an electrically insulating resin is provided so as to cover the opening 102.
- a gasket 106 for sealing is interposed between the lid 104 and the fuel tank 100.
- the fuel filter 120 is configured by housing a filtration element 124 in a housing 122. Moreover, the lid 104 is a part of the housing 122 and is suspended from the lid 104.
- the element 124 is formed by winding a unit formed by bonding a flat filter paper and a corrugated base paper into a hollow annular shape, and further cutting the unit in diameter.
- the filter paper is mainly made of fibers that have a high affinity for the fuel to be filtered, but contains glass fibers that have a high affinity for water. For this reason, the water mixed in the fuel adheres to the glass fiber and becomes water droplets, which are easily separated from the fuel. And flows down to the lower part of the housing 1 2 2.
- the filter housing 122 includes a lid 104 as an upper housing and a lower housing 126.
- the lower housing 126 includes a resin material containing a conductive material such as carbon fiber or carbon powder. Since it is molded, it has conductivity.
- the upper housing 104 and the lower housing 126 are liquid-tightly welded at a boundary portion 128.
- the housing 122 is not a complete ring, but an incomplete ring partially having a space portion 122 a extending to about 90 degrees, and has a C-shaped cross section.
- the upper housing 104 is made of an insulating resin, and has a discharge pipe 132 formed by molding.
- the lower housing 1 26 has a C-shaped cup-shaped section for receiving and securing the element 124.
- the housing 122 of the fuel tank 120 is provided with one fuel inlet and two fuel outlets.
- the pipe 1336 extends upward from the lower end of the lower housing 126 along the axial direction.
- the pipe 1336 is integrally formed adjacent to the cup-shaped portion of the lower housing 126, and is located in the cutout space 122a of the housing 122.
- the pipe 1336 communicates with a discharge pipe 1332 provided on the lid 104, and forms a fuel passage 138 for supplying the filtered fuel to the injector.
- the return pipe 142 forming another second fuel outlet is provided below the lower housing 126 and is connected to the pressure regulator 130. It is important that the return pipe 142 is open to the lower end of the lower housing 126.
- the pre-regular hairpiece 130 is fitted to a cylindrical portion 144 extending downward from the bottom of the lower housing 126 and is locked and fixed.
- a ring 147 is interposed between the body 144 and the cylindrical portion 144, and the claws of the body 144 are snap-fitted to the holes of the cylindrical portion 144 so as to be detachable. I have.
- the pre-regulator 130 is moved from the cylindrical part 144 to the body 144 By detaching it, it can be easily detached from the housing.
- a diaphragm 149 is sandwiched between the open end of the pod 146 and the housing 148, and the diaphragm 149 has a movable valve seat 155 having a discharge passage 155 opened. Is supported.
- a fixed valve body 15 3 cooperating with a valve seat 15 2 is fixed in the body 1 46.
- a compression coil spring 154 is housed between the housing 148 and the diaphragm 149.
- a hole (not shown) is provided in the housing 148 to set the spring chamber to the atmospheric pressure or the tank internal pressure, and to discharge the fuel from the discharge passage 151.
- the diaphragm 149 moves to the spring chamber side and opens the discharge passage 155 of the movable valve seat 155.
- the fuel in body 1 4 6 is returned to fuel tank 1.
- the pressure of the fuel discharged from the fuel pump 110 and supplied from the fuel fill 120 to the injector can be maintained at a predetermined pressure.
- the claws of the body 144 are engaged with the holes of the cylindrical portion 144 to mount the pre-loading leg 130, but the stays are inserted from the pump holder 114.
- the body 1 4 6 only by inserting the body 1 4 6 into the cylindrical section 1 4 4 and supporting the housing 1 4 8 side of the pressure regulator 1 3 4 from below with a stay extending from the pump holder 1 4 You may.
- a fuel pump 110 is housed on the inner peripheral side of the C-shaped annular filter housing 122.
- the fuel pump 110 is supported from below by a cup-shaped pump holder 114.
- the skirt portion extending below the inner circumference of the filter housing 1 2 2 is provided with a plurality of holes 1 1 6 that are distributed in the circumferential direction, and the pawls 1 1 7 of the pump holder 1 1 4 are engaged. Is stopped.
- the fuel pump 110 is detachably attached to the filter housing 122.
- a fuel discharge pipe 112 protrudes from the upper part of the fuel pump 110, and this discharge pipe 112 is connected to an inlet pipe 134 via a gasket 156.
- a resin mesh filter 118 is mounted on the pump holder 114.
- the suction port opened below the fuel pump 1 10 communicates with the inside of the filter 1 18 It is configured as follows.
- a check valve is housed in the discharge pipe 112 as in the case of the conventional fuel pump, and when the fuel pump 110 is stopped, the residual fuel pressure in the fuel pipe is maintained.
- a fuel level gauge 140 is provided in the space 122 a of the housing 122 of the fuel filter 120.
- An unillustrated float extends from the fuel level gauge 140 and shows a resistance value according to the liquid level.
- the electrical connector 150 is integrally formed with the lid 104 by directly insert-molding a plurality of evening bottles into the insulating resin material of the lid 104. Note that a sealant is applied to the outer periphery of the terminal pin in order to maintain the sealing property with the resin material. Also, the terminal pins are provided with slip-out prevention. As shown in FIG. 2, the electrical connector 150 is located at a position that does not overlap with the fuel filter 120. The terminal pins of the electrical connector 150 are connected to the power supply and the control device outside the fuel tank. Further, in the fuel tank, the fuel pump 110 is electrically connected to an electric connector section 119 via a lead wire (not shown) to supply electric power to the motor and supply electric power to the fuel pump 110 via a lead wire (not shown). It is connected to the fuel level gauge 140 and transmits an electric signal indicating the liquid level.
- the filter is disposed in a partial angle range of the outer periphery of the fuel pump 110, and the remaining portion includes a fuel pipe 132, an electric connector 150, and a fuel level gauge 140. Functional components are arranged.
- the fuel pump 110 When power is supplied to the fuel pump 110 through the electric connectors 150 and 119, the fuel pump 110 sucks the fuel through the filter 118 and discharges it from the discharge pipe 112. Fuel flows in the direction of the arrow in the passage 160 between the lower housing 126 and the upper housing 104. This fuel flows through the housing 122 from top to bottom, and is filtered through the element 124 on the way. After passing through the element 1 2 4 and reaching the lower space 1 6 2 of the housing 1 2 2 Part of the fuel that was returned was returned to the fuel tank 100 by the pressure regulator 130 to adjust the fuel pressure, and the remainder passed through the pipes 13 6 and 13 2. It is supplied to the injector of the fuel injection device mounted on the engine. In this embodiment, the return fuel is circulated only in the fuel tank 100, and there is no return fuel from the engine.
- Static electricity is generated when fuel rubs vigorously on element 1 2 4 Force Lower housing 1 2 6 is made of conductive resin, so static electricity does not accumulate in housing and lower housing 1 2 6 Dissipated to.
- the discharge area of static electricity can be increased, and the accumulation of static electricity is suppressed to a lower level. be able to.
- the discharge area is improved, and static electricity can be reduced only in the fuel tank.
- the lower housing 126 may be connected to a ground electrode in the electrical connector 150 to release static electricity.
- the terminal pins of the electric connector 150 can be directly insert-molded on the lid 104 to integrally form the electric connector 150 with the lid 104. Therefore, there is no need to attach a separate electrical connector to the hole opened in the lid. Therefore, the number of components such as sealing components such as O-rings provided between the lid and the electrical connector and components for fixing the electrical connector to the lid can be reduced, and the number of processing steps and assembling steps can be reduced. In addition, the reduction in the number of parts used has the effect of reducing the type of resin used in the device, and thus has the effect of facilitating recycling of the device.
- the fuel fill is provided only at a part of the outer periphery of the fuel pump.
- the fuel fill is provided so as to surround the outer periphery of the fuel pump. It may be provided.
- the fuel pump 110 is held by the lid 104 via the lower housing 126, and the fuel filter housing 122 forms a part of the fuel pump holding device.
- the fuel pump holding device and the fuel filter housing may be configured independently.
- the fuel pump holder 114 may have a long cylindrical shape, and the fuel pump holder 114 may be directly connected to the lid 104.
- the terminal pin for supplying the power of the fuel pump is insert-molded in the first housing formed of an electrically insulating resin material, it is possible to attach a separate electric connector without attaching it. A power supply route to the fuel pump can be secured.
- the second housing that accommodates the fuel filler element in combination with the first housing is made of a conductive material, static electricity generated in the fuel filler element can be dissipated, thereby preventing the accumulation of static electricity. can do.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Filtration Of Liquid (AREA)
- Fuel-Injection Apparatus (AREA)
- Safety Valves (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960704573A KR100300739B1 (ko) | 1995-02-03 | 1995-11-02 | 연료공급장치 |
DE19581548T DE19581548B9 (de) | 1995-02-03 | 1995-11-02 | Kraftstoffzuführsystem |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1730895 | 1995-02-03 | ||
JP7/17308 | 1995-02-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996023967A1 true WO1996023967A1 (fr) | 1996-08-08 |
Family
ID=11940387
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1995/002239 WO1996023966A1 (fr) | 1995-02-03 | 1995-11-02 | Dispositif d'alimentation en carburant |
PCT/JP1995/002241 WO1996023967A1 (fr) | 1995-02-03 | 1995-11-02 | Dispositif d'alimentation en carburant |
PCT/JP1995/002242 WO1996023569A1 (fr) | 1995-02-03 | 1995-11-02 | Filtre |
PCT/JP1996/000203 WO1996023969A1 (fr) | 1995-02-03 | 1996-02-01 | Petite soupape de regulation et systeme de distribution de combustible l'utilisant |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1995/002239 WO1996023966A1 (fr) | 1995-02-03 | 1995-11-02 | Dispositif d'alimentation en carburant |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1995/002242 WO1996023569A1 (fr) | 1995-02-03 | 1995-11-02 | Filtre |
PCT/JP1996/000203 WO1996023969A1 (fr) | 1995-02-03 | 1996-02-01 | Petite soupape de regulation et systeme de distribution de combustible l'utilisant |
Country Status (8)
Country | Link |
---|---|
US (4) | US5900148A (ja) |
EP (1) | EP0754483B1 (ja) |
JP (4) | JP3256972B2 (ja) |
KR (4) | KR100300739B1 (ja) |
CN (2) | CN1094776C (ja) |
AU (1) | AU704754B2 (ja) |
DE (4) | DE69532525T2 (ja) |
WO (4) | WO1996023966A1 (ja) |
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CN1100942C (zh) * | 1999-01-26 | 2003-02-05 | 三菱电机株式会社 | 燃料供给装置及静电放电装置 |
US6260540B1 (en) | 1999-01-26 | 2001-07-17 | Mitsubishi Denki Kabushiki Kaisha | Fuel supply system and static discharge device |
WO2000045045A1 (fr) | 1999-01-26 | 2000-08-03 | Mitsubishi Denki Kabushiki Kaisha | Dispositif d'alimentation de carburant et dissipateur d'electricite statique |
JP2002541374A (ja) * | 1999-04-03 | 2002-12-03 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 電動機によって駆動されるフィードポンプのためのケーシング |
JP2000337221A (ja) * | 1999-05-25 | 2000-12-05 | Aisan Ind Co Ltd | 燃料供給装置 |
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US6598593B1 (en) | 1999-11-04 | 2003-07-29 | Mitsubishi Denki Kabushiki Kaisha | Mounting structure for a fuel supply apparatus |
US6729308B1 (en) | 2000-08-18 | 2004-05-04 | Mitsubishi Denki Kabushiki Kaisha | Fuel feed device |
JP2003097375A (ja) * | 2001-09-20 | 2003-04-03 | Denso Corp | 車両用モータ式燃料ポンプ |
US7069912B2 (en) | 2002-02-08 | 2006-07-04 | Mitsubishi Denki Kabushiki Kaisha | Fuel filter and fuel supply system |
US6915787B2 (en) | 2002-05-29 | 2005-07-12 | Mitsubishi Denki Kabushiki Kaisha | Fuel supply apparatus and fuel pressure regulator |
US6874481B2 (en) | 2002-08-09 | 2005-04-05 | Mitsubishi Denki Kabushiki Kaisha | Fuel supply apparatus and residual fuel amount indication device for fuel supply apparatus |
JP2015014214A (ja) * | 2013-07-03 | 2015-01-22 | 株式会社日本自動車部品総合研究所 | 燃料濾過装置 |
CN107532554A (zh) * | 2015-04-20 | 2018-01-02 | 罗伯特·博世有限公司 | 用于输送燃料的设备 |
CN107532554B (zh) * | 2015-04-20 | 2021-03-09 | 罗伯特·博世有限公司 | 用于输送燃料的设备 |
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