CN107035585A - Petrolift with the outlet valve in piston He the fuel path for washing away actuator - Google Patents

Petrolift with the outlet valve in piston He the fuel path for washing away actuator Download PDF

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Publication number
CN107035585A
CN107035585A CN201610988702.4A CN201610988702A CN107035585A CN 107035585 A CN107035585 A CN 107035585A CN 201610988702 A CN201610988702 A CN 201610988702A CN 107035585 A CN107035585 A CN 107035585A
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CN
China
Prior art keywords
gap
petrolift
piston
actuator
fuel
Prior art date
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Granted
Application number
CN201610988702.4A
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Chinese (zh)
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CN107035585B (en
Inventor
J·里克尔特
A·普利施
S·芙洛
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of CN107035585A publication Critical patent/CN107035585A/en
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Publication of CN107035585B publication Critical patent/CN107035585B/en
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Classifications

    • 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
    • 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
    • F02M37/043—Arrangements for driving reciprocating piston-type 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
    • 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
    • F02M37/20—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 characterised by means for preventing vapour lock
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/025—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by a single piston
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/462—Delivery valves
    • 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
    • F02M69/02—Pumps peculiar thereto
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • F04B17/046—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the fluid flowing through the moving part of the motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/12—Valves; Arrangement of valves arranged in or on pistons
    • F04B53/125—Reciprocating valves
    • F04B53/127—Disc valves
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/03—Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/21—Fuel-injection apparatus with piezoelectric or magnetostrictive elements

Abstract

The present invention relates to a kind of petrolift for being used to convey fuel, the petrolift includes housing (10), cylinder (4), it is arranged in the piston (5) in the cylinder (4), heat production actuator (6) for operating the piston (5), with the reset element (7) for the piston (5) to be reset in initial position, construction is on the heat production actuator (6), especially construct the first gap (8) between the cylinder (4) and the heat production actuator (6), wherein, first fuel path (80) is extended by first gap (8), the petrolift also includes inlet valve (2), outlet valve (3), wherein, the outlet valve (3) is arranged in the piston (5), and the piston (5) has passage (16), fuel can flow by the passage from the outlet valve (3) along the first gap (8) direction.

Description

Petrolift with the outlet valve in piston He the fuel path for washing away actuator
Technical field
The present invention relates to a kind of petrolift for being used to convey fuel, the petrolift can especially rub for example in vehicle Used in motorcycle or other motor scooters as carriage or snowmobile.Another aspect of the present invention is related to one kind and is used for The method for running this petrolift.
Background technology
This petrolift is for example disclosed in document GB 2478876B.Herein relate in electromagnetic piston pump form Petrolift, the electromagnetic piston pump has inlet valve, outlet valve, the conveying chamber for conveying fuel, the piston arranged in cylinder, is in Magnet coil form be used for operate piston heat production actuator and for by piston reset into initial position reset member Part, wherein, the actuator of heat production is directly arranged on cylinder.The construction includes such shortcoming：The waste heat of actuator can be direct It is delivered on cylinder, and therefore can also be delivered on the fuel in conveying chamber.Thus, the fuel quilt in conveying chamber Heating, and gasification precipitation may be started.This may cause petrolift deterioration of efficiency, or even result in the complete of required conveying capacity Failure.
The content of the invention
In contrast, the petrolift according to the present invention with claim 1 feature has the advantage that：It can improve Hot gasoline performance, that is, improve characteristic of the fuel in the case of heated, and can improve the efficiency of petrolift.This passes through such as Under type is realized：Remaining component of the actuator of heat production spatially with cylinder in other words with petrolift is separated, and fuel along It is directed on actuator.Therefore, cylinder can be cooled the actuator of heat production in other words.Here, according to the petrolift bag of the present invention Include housing, inlet valve, outlet valve, cylinder, the piston being arranged in cylinder, the heat production actuator for operating piston and for will be living Plug reset to the reset element in initial position and construction on heat production actuator, especially construct in cylinder and heat production actuator Between the first gap, wherein, the first fuel path pass through first gap extend.According to the present invention, outlet valve is arranged in work In plug, and the piston has a passage, and fuel can flow by the passage from outlet valve to the first gap direction.By This, fuel path extends by piston and along between the first cylinder and actuator from discharge chambe.Fuel path should be understood that For such path, fuel is guided along the path, and fuel can flow through the path.Therefore, after compression process, Fuel is conducted through piston and the first gap in the discharge chambe being arranged in cylinder, and for cool down as cylinder or actuator that The component of sample.By way of the waste heat of actuator is delivered into the fuel being directed on actuator, the actuator of heat production It can be cooled down by the petrolift according to the present invention.It is accordingly possible to ensure the high efficiency of petrolift and reliable function.In addition, According to the present invention petrolift provide the advantage that, although between cylinder and actuator be provided with gap, with prior art Design size need not be increased in the case of compared to same efficiency.Therefore, it is possible to realize the compactly designed of petrolift, this can be saved Cost-saving.
Dependent claims show the preferred extension of the present invention.
It is preferred that, it can be opened according to the petrolift of the present invention in housing and towards between the cylinder end portion of piston dorsal part with one Mouthful.The passage that the opening is configured for construct in piston is fluidly connected with the first gap, and thus will be from compression Room is by outlet valve, passage, opening until the fuel path in the first gap is closed.
It is further advantageous that housing has at least one drainage opening, wherein, at least one drainage opening is constructed in shell On the side of body and/or on side.Alternatively or additionally, drainage opening can be arranged in armature disc, the armature disc and shell Body constitutes the outer cover of petrolift together.By there are one or more drainage openings, the fuel conveyed can draw to injection valve Lead.Drainage opening can for example be configured to flange or adapter in the housing, and these flanges or adapter are by shell rim extension.Row Stream opening exist it is more, the drainage of fuel is then more uniform, and heat production actuator cooling in other words cylinder cooling therefore also get over Uniformly.In addition, thus the flow resistance of fuel is reduced.Housing can for example with substantially cylindrical cross section, thus, The housing can have more preferable thermal characteristic.
Additionally, petrolift can have the second gap, actuator side of second clearance configurations in dorsad the first gap On, wherein, the second fuel path is extended by second gap.Therefore, it is possible to carry out evenly cold of heat production actuator But, wherein, heat guiding can by actuator inner surface and outer surface occur.By setting the second gap to realize Faster fuel drainage, and the cooling of actuator can be improved.
In addition, the second gap can preferable configuration between actuator and housing.Actuator is arranged by non-straight ground connection Heat can be avoided to guide by heat on housing to be delivered on housing from the actuator of heat production.This can cause, from housing (cylinder can be directly arranged on housing) on to cylinder and therefore subtracted to the heat transfer present in conveying chamber on fuel It is few.
Alternatively, in the petrolift according to the present invention, can only have the second gap with gap instead of first.
According to another preferred configuration of petrolift of the present invention, the Breadth Maximum in the first gap is equal to or more than the second gap Breadth Maximum.The cooling evenly of heat production actuator uniform fuel gas in other words can be realized by equal Breadth Maximum Change and separate out.When the Breadth Maximum in the first gap is more than the Breadth Maximum in the second gap, it can be ensured that, can occur from actuator On to cylinder or to the smaller heat transfer of the fuel in cylinder.It should be noted that the width in the first gap and/or the second gap Width can streamwise keep it is constant.
In order to reduce from the actuator of heat production to cylinder or mention between the heat transfer present in cylinder on fuel, first The Breadth Maximum of gap can be equal to or more than the Breadth Maximum of casing wall.It should be noted that the width of casing wall can be kept not substantially Become.The width of casing wall is bigger, and the thermal power guided by the heat in wall is then smaller.
In an advantageous manner, the first fuel path and/or the second fuel path can be extends in the vertical direction, i.e., parallel to Axis of piston movement during petrolift is run, wherein, by the flowing of the first fuel path and/or the second fuel path from On extend downwardly.Within the scope of application, in petrolift, fuel pump side refers to downside, on the side, inlet valve arrangement In the housing.The upside of petrolift is made up of armature disc, and in the case where actuator is powered, piston is abutted on the armature disc. Armature disc constitutes the outer cover of petrolift together with housing.The fuel being sucked flowed through from below discharge chambe, inlet valve, upwards Through outlet valve.
In addition, being favourable when the first fuel path and the second fuel path are fed from an opening jointly.Therefore The compactly designed of petrolift can be realized.
In order to convey or improve the heat from the actuator of heat production to the fuel in the first gap and/or the second gap Guiding, can arrange multiple guide plates in the first gap and/or the second gap, these guide plates can the first gap and/ Or second guide fuel flowing in gap.Thus, vortex can also be produced in the first gap and/or the second gap, the vortex It ensure that more preferable heat guiding.Guide plate can be for example arranged on cylinder and/or towards the first gap or the second gap Actuator side on.The bigger gross area can be provided for heat guiding by the way that guide plate is arranged on actuator side.
Alternatively or additionally, maze-type structure is arranged in the first gap and/or the second gap, the labyrinth type Configuration example by guide plate if constructed.Guide plate is alternately arranged so as in cylinder and the actuator side towards the first gap On so that the fuel reverse flow in the first gap.
According to another alternate configuration, the first gap and/or the second gap are preferably able at least partially with for combustion The metal foam of the loose structure that can pass through for material is filled.Metal foam is interpreted as a kind of bubble being made up of metal material Foam shape formation, the formation has the loose structure that can pass through.Due to its loose structure, metal foam is firm with high ratio There is limited small density simultaneously in the case of degree and specific strength.Therefore, metal foam can bear mechanical load and heat is negative Lotus.Metal foam can be constructed especially by aluminum or aluminum alloy.
According to another replacement preferred configuration of the invention, grid can be arranged in the first gap and/or the second gap.The lattice Grid can be constructed for example by guide plate, and these guide plates are disposed so as guide plate and constituted with the hollow chamber that can pass through Netted formation.Fuel can flow through the hollow chamber that can pass through, so as to which the waste heat of heat production actuator is transported away.
, being capable of cloth at least in part in the first gap and/or the second gap according to another replacement advantageous configuration of the invention Put the barrier material with the loose structure that can pass through for fuel.Therefore, on the one hand, fuel can flow through isolation The loose structure of material, so as to the actuator of cooling heat producing, and on the other hand, from actuator to cylinder on heat guiding can It is reduced due to the barrier material.
It should be noted that above-mentioned measure can depending on the applicationly be mutually combined in the first gap, to realize from production Optimal heat transfer on the actuator to the fuel from the actuator by-pass flow of heat.Therefore, the heating of cylinder is in other words in cylinder The heating of the fuel of presence can be reduced or even be eliminated.
Moreover, it relates to a kind of vehicle, especially motorcycle or other such as carriage, snowmobiles or three equipped with motor Motor scooter as car or multiwheel vehicle is taken turns, the motorcycle includes the petrolift according to the present invention.By using according to this hair Bright petrolift, the vehicle can in a reliable fashion be run in different running statuses.
Another aspect of the present invention be related to it is a kind of be used for run according to the present invention petrolift method, the petrolift include into Mouthful valve, outlet valve, cylinder, the piston arranged in cylinder, the heat production actuator for operating piston and for by piston reset at the beginning of Reset element in beginning position, wherein, fuel is directed into the first gap before conveying by petrolift, first gap Construction is between cylinder and actuator, to cool down cylinder and/or actuator.
Brief description of the drawings
Below, embodiments of the invention are described in detail with reference to the drawings, wherein, identical or function identical part uses phase respectively Same reference marker is indicated.Due to intuitive, the deformation on some reference markers in different embodiments or structure is only half It is drawn into individual actuator.Because actuator is rotationally symmetrical relative to the operating axis of piston movement in petrolift, because Deformation on this reference marker being drawn into or construction is also applied for second half or the actuator suitable for can't see of actuator Part (as long as not referring to other parts).In the accompanying drawings：
Fig. 1 according to the diagrammatic cross-sectional view of the petrolift of the first embodiment of the present invention,
The schematic half section view of the petrolifts of Fig. 2 according to the second embodiment of the present invention,
The schematic half section view of the petrolifts of Fig. 3 according to the third embodiment of the invention,
The schematic half section view of the petrolifts of Fig. 4 according to the fourth embodiment of the invention,
The schematic half section view of the petrolifts of Fig. 5 according to the fifth embodiment of the invention,
The schematic half section view of the petrolifts of Fig. 6 according to the sixth embodiment of the invention.
Embodiment
The petrolift 1 according to first preferred embodiment of the invention is described in detail referring to Fig. 1.In addition, being described by Fig. 1 Method for running the petrolift 1.
As seen from Figure 1, inlet valve 2, outlet valve 3 are had according to the petrolift 1 of the present invention, cylinder 4, are arranged in Piston 5 in cylinder 4, for operate piston 5 heat production actuator 6 and helically form of springs be used for piston 5 is reset to initially Reset element 7 in position.Petrolift 1 is for example in fuel tank not shown here.
Inlet valve 2 is disposed with the side of cylinder 4.Inlet valve 2 by fuel conduit not shown here fluidly with combustion Hopper is connected.During the suction stage of petrolift 1, fuel is flow in the internal structure of cylinder 4 from fuel tank by inlet valve 2 Discharge chambe 15 in.On the side opposed with inlet valve 2 of discharge chambe 15, discharge chambe 15 is by the gauge of piston 5.The cloth in piston 5 Outlet valve 3 and passage 16 are equipped with, by the outlet valve and passage, fuel is during the compression stage of petrolift 1 from discharge chambe 15 Middle outflow.In this embodiment, inlet valve 2 and outlet valve 3 are configured to diaphragm spring valve.
In the configuration of the piston pump according to the present invention, the actuator 6 of heat production is configured to magnet coil.Equally can also Consider that such as piezoelectric actuator or magnetostriction type actuator are used as actuator.
In addition, having housing 10 according to the petrolift 1 of the present invention, the housing is arranged to have at least one drainage port 14, Wherein, the drainage port 14 is constructed on the side 12 of housing 10.
Armature disc 19 constitutes the outer cover for petrolift 1 together with housing 10.Alternatively or additionally, armature disc 19 is especially There can be drainage port 14 in actuator region.
In addition, petrolift 1 have the first gap 8, first clearance configurations between cylinder 4 and the actuator of heat production 6, its In, the first fuel path 80 is extended by the first gap 8.First gap 8 is annular in shape herein to be constructed.
In addition, petrolift 1 has the second gap 9, second clearance configurations are in the actuator side 60 away from the first gap 8 On, wherein, the second fuel path 90 is extended by the second gap 9.Especially, the second gap 9 is annularly constructed in actuator 6 and shell Between body 10.
In addition, the first fuel path 80 and the second fuel path 90 vertically R, i.e., run parallel in petrolift 1 When the extension of the axis of movement of piston 5, wherein, flowing B is extended by the first fuel path 80, and is flowed C and passed through the second fuel Path 90 extends from the top down, i.e. the side 12 opposed with the armature disc 19 from the direction of armature disc 19 to housing 10 extends.
In addition, the first gap 8 can have the width b1 that is basically unchanged transverse to flow direction, the width is greater than the The width b2 in two gaps 9, second gap keeps constant in the vertical direction R in an advantageous manner.In the first gap 8 or the second Flow direction in gap 9 corresponds to vertical direction R.
In addition, the width b1 in the first gap 8 is more than the width b3 in the region of wall 40 of cylinder 4, wherein, the region of wall 40 is being actuated The opposite of device 6 is arranged.Width b3 is configured to be basically unchanged in this region.
In addition, the first fuel path 80 and the second fuel path 90 are fed from opening 11 jointly.As seen from Figure 1 Like that, opening 11 is fluidly connected by the passage 16 constructed in piston 5 with outlet valve 3.Opening 11 is spatially arranged in cylinder 4 Between armature 15.More precisely, the opening 11 be arranged in cylinder 4 towards the end 18 of piston dorsal part 17 and armature disc 19 it Between.
The method for running the petrolift 1 according to the present invention is described referring to Fig. 1.
Fuel is guided from fuel tank by fuel conduit to inlet valve 2.During the suction stage of petrolift 1, piston 5 The actuator 6 being energized drives to the direction of armature disc 19, and thus, fuel is sucked into (arrow in discharge chambe 15 by inlet valve 2 D).In the compression stage of ensuing petrolift 1, the flow disruption for the fuel being sucked, and inlet valve 2 closes.Reset Element 7 makes piston 5 move to its home position again so that the fuel present in discharge chambe 15 is compressed and passed through The outlet valve 3 arranged in piston 5 flows out (arrow D) from discharge chambe 15.By the passage 16 constructed in piston 5, fuel from Outlet valve 3 flows to the direction (arrow A) of opening 11, and the opening is by the passage 16 in piston 5 and surrounds the first and the of actuator 6 Two gaps 8,9 are connected.Behind opening 11, the flowing A (arrow A) of fuel is branched off into by the first-class of the first fuel path 80 Dynamic B (arrow B) and the second flowing C (arrow C) for passing through the second fuel path 90.
Because the fuel in the first gap 8 and the second gap 9 is directed over the actuator 6 of heat production, fuel, which is received, to be promoted The waste heat of dynamic device 6.Therefore, actuator 6 is cooled, and this also causes the cooling of cylinder 4 to avoid the heating of cylinder in other words.Fuel due to The waste heat received of actuator 6 and be heated.In drainage opening 14, the flowing B and C of fuel converge again, and pass through Another fuel conduit for example continues to guide to injection valve.
The fuel delivery of needs is able to ensure that by the described method for running petrolift 1, and it is therefore true Protect the reliability service of petrolift 1.
Other advantageous embodiments of the petrolift according to the present invention are illustrated below.Identical components title is identical, and has Identical reference marker.Here it essentially show the difference with first embodiment.
It is according to the petrolift 1 of second embodiment (Fig. 2) and the petrolift difference of first embodiment, in the first gap 80 In be disposed with multiple guide plates 81.Especially, these guide plates 81 are disposed in cylinder 4 with an angle on vertical direction R On, and for the waste heat of heat production actuator 6 can be guided.
In 3rd embodiment (Fig. 3), maze-type structure 82 is disposed with the first gap 80.The maze-type structure 82 by Guide plate is constructed, and these guide plates are alternately arranged on cylinder 4 and towards on the actuator side 61 in the first gap 8.
In fourth embodiment (Fig. 4), the first gap 8 is completely with the loose structure that can pass through for fuel Metal foam 83 is filled.The metal foam 83 is for example constructed by aluminium.
In the 5th embodiment (Fig. 5), grid 84 is disposed with the first gap 8, the grid is by sheet metal or wire To construct, these sheet metals or wire are disposed so as producing the netted formation with the hollow chamber that can pass through.
In sixth embodiment (Fig. 6), it is disposed with the first gap 8 with the porous knot that can pass through for fuel The barrier material 85 of structure.By the presence of the loose structure, fuel can flow through the barrier material in the first gap 8 85, and be therefore transported away the waste heat of heat production actuator 6.In addition, the isolation characteristic of material 85 helps to make cylinder 4 and heat production Actuator 6 completely cuts off.
It should be noted that these above-mentioned embodiments are merely to illustrate the present invention rather than the limitation present invention.In this hair In bright scope, different being altered or modified is possible, and without departing from the scope of the present invention and its equivalents.
By setting the first gap 8 between cylinder 4 and actuator 6 or in actuator 6 and according to petrolift 1 of the invention Second gap 9 is set between housing 10, and the actuator 6 but also cylinder 4 of not only heat production can substantially be cooled.The experiment of applicant It was shown that can be realized on the actuator 6 of heat production until about 70 degrees Celsius of temperature is reduced, and can be realized on cylinder 4 Until about 180 degrees Celsius of temperature is reduced.

Claims (16)

1. the petrolift for conveying fuel, including：
Housing (10),
Cylinder (4),
Piston (5), the piston is arranged in the cylinder (4),
The actuator (6) of heat production, the actuator of the heat production is used to operate the piston (5), and
Reset element (7), the reset element is used to make the piston (5) reset in initial position,
First gap (8), first clearance configurations on the actuator (6) of the heat production, especially construct in the cylinder (4) and Between the actuator (6) of the heat production, wherein, the first fuel path (80) is extended by first gap (8),
Inlet valve (2),
Outlet valve (3), it is characterized in that：
The outlet valve (3) is arranged in the piston (5), and the piston (5) has passage (16), and fuel can be through The passage is crossed to flow along the direction of first gap (8) from the outlet valve (3).
2. petrolift according to claim 1, it is characterized in that：In the housing (10) and the cylinder (4) towards piston Opening (11), the passage that the opening will be constructed in the piston (5) are disposed between the end (18) of dorsal part (17) (16) it is connected by fluid with first gap (8).
3. petrolift according to claim 1 or 2, it is characterized in that：The housing (10) is arranged to have at least one row Stream opening (14), wherein, at least one described drainage opening (14) is constructed on the side (12) of the housing (10) and/or side On face (13).
4. the petrolift according to any one of the claims, it is characterized in that：The second gap (9) is provided with, this second Clearance configurations on the dorsad actuator side (60) of first gap (8), wherein, the second fuel path (90) passes through described Two gaps (9) extend.
5. petrolift according to claim 4, it is characterized in that：Second gap (9) construction in the actuator (6) and Between the housing (10).
6. the petrolift according to claim 4 or 5, it is characterized in that：The Breadth Maximum (b1) of first gap (8) is equal to Or more than the Breadth Maximum (b2) of second gap (9).
7. the petrolift according to any one of the claims, it is characterized in that：The Breadth Maximum of first gap (8) (b1) it is equal to or more than the Breadth Maximum (b3) of the cylinder (4) wall (40).
8. the petrolift according to any one of claim 4 to 7, it is characterized in that：First fuel path (80) and/or Vertically (R) extends second fuel path (90), wherein, pass through the flowing (B) of first fuel path (80) And/or extended from the top down by the flowing (C) of second fuel path (90).
9. the petrolift according to any one of claim 2 to 8, it is characterized in that：First fuel path (80) and institute The second fuel path (90) is stated to be fed from the opening (11) jointly.
10. the petrolift according to any one of the claims, it is characterized in that：Arranged in first gap (8) There are multiple guide plates (81).
11. the petrolift according to any one of the claims, it is characterized in that：Arranged in first gap (8) There is maze-type structure (82).
12. the petrolift according to any one of the claims, it is characterized in that：In first gap (8) at least Partly it is disposed with the metal foam (83) with the loose structure that can pass through for the fuel.
13. the petrolift according to any one of the claims, it is characterized in that：Arranged in first gap (8) There is grid (84).
14. the petrolift according to any one of the claims, it is characterized in that：In first gap (8) at least Partly it is disposed with the barrier material (85) with the loose structure that can pass through for the fuel.
15. vehicle, especially motorcycle, including the petrolift (1) according to any one of the claims.
16. the method for running the petrolift (1) according to any one of the claims, the petrolift includes housing (10), cylinder (4), in the cylinder (4) piston (5) of arrangement, the heat production actuator (6) for operating the piston (5), be used for The piston (5) is reset into the reset element in initial position (7), inlet valve (2), going out in the piston (5) is arranged in Mouth valve (3), wherein, fuel is directed into the first gap (8) by the petrolift (1) after transport, between described first Gap is constructed on the actuator (6) of the heat production, is especially constructed between the cylinder (4) and the actuator (6) of the heat production, with Just the cylinder (4) and/or the actuator (6) are cooled down.
CN201610988702.4A 2015-11-10 2016-11-10 Fuel pump with outlet valve in piston and fuel path of flushing actuator Active CN107035585B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015222106.7A DE102015222106A1 (en) 2015-11-10 2015-11-10 Fuel pump with exhaust valve in the piston and a fuel path flushing around the actuator
DE102015222106.7 2015-11-10

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CN107035585A true CN107035585A (en) 2017-08-11
CN107035585B CN107035585B (en) 2020-08-11

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TW (1) TWI695118B (en)

Citations (8)

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JPS60125750A (en) * 1983-12-12 1985-07-05 Mazda Motor Corp Fuel supplying apparatus for fuel-injection type engine
US5375576A (en) * 1991-10-11 1994-12-27 Caterpillar Inc. Damped actuator and valve assembly for an electronically-controlled injector
GB2307001A (en) * 1995-11-09 1997-05-14 Bosch Gmbh Robert Secure electrical connection for mechanical vehicle immobilizer
DE10240831A1 (en) * 2002-09-04 2004-03-18 Robert Bosch Gmbh Fuel supply unit for feeding fuel from a tank to a vehicle's internal combustion engine has a casing with inlet/outlet connections and an actuator drive for a pump with intake and pressure sides
CN1498307A (en) * 2001-09-12 2004-05-19 三国亚得克股份有限公司 In-tank solenoid fuel pump
CN1576571A (en) * 2003-06-30 2005-02-09 株式会社京浜 Fuel feeding device
CN102162414A (en) * 2010-02-19 2011-08-24 韩国自动车部品株式会社 Flange for fuel pump module and manufacturing method thereof
EP2584198A2 (en) * 2011-10-21 2013-04-24 Emitec Gesellschaft für Emissionstechnologie mbH Delivery pump for a fluid

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2478876B (en) 2009-03-31 2012-03-21 Scion Sprays Ltd A fluid injector having a novel inlet valve arrangement
US8720390B2 (en) * 2011-09-19 2014-05-13 Northern Technologies International Corporation Fuel performance booster

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60125750A (en) * 1983-12-12 1985-07-05 Mazda Motor Corp Fuel supplying apparatus for fuel-injection type engine
US5375576A (en) * 1991-10-11 1994-12-27 Caterpillar Inc. Damped actuator and valve assembly for an electronically-controlled injector
GB2307001A (en) * 1995-11-09 1997-05-14 Bosch Gmbh Robert Secure electrical connection for mechanical vehicle immobilizer
CN1498307A (en) * 2001-09-12 2004-05-19 三国亚得克股份有限公司 In-tank solenoid fuel pump
DE10240831A1 (en) * 2002-09-04 2004-03-18 Robert Bosch Gmbh Fuel supply unit for feeding fuel from a tank to a vehicle's internal combustion engine has a casing with inlet/outlet connections and an actuator drive for a pump with intake and pressure sides
CN1576571A (en) * 2003-06-30 2005-02-09 株式会社京浜 Fuel feeding device
CN102162414A (en) * 2010-02-19 2011-08-24 韩国自动车部品株式会社 Flange for fuel pump module and manufacturing method thereof
EP2584198A2 (en) * 2011-10-21 2013-04-24 Emitec Gesellschaft für Emissionstechnologie mbH Delivery pump for a fluid

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TW201716685A (en) 2017-05-16
TWI695118B (en) 2020-06-01
CN107035585B (en) 2020-08-11

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