CN109416006A - The manufacturing method of moisture agglomerator, fuel filtration and moisture agglomerator - Google Patents

The manufacturing method of moisture agglomerator, fuel filtration and moisture agglomerator Download PDF

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Publication number
CN109416006A
CN109416006A CN201780041715.3A CN201780041715A CN109416006A CN 109416006 A CN109416006 A CN 109416006A CN 201780041715 A CN201780041715 A CN 201780041715A CN 109416006 A CN109416006 A CN 109416006A
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CN
China
Prior art keywords
moisture
frame
agglomerator
fuel
layer
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201780041715.3A
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Chinese (zh)
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CN109416006B (en
Inventor
秋元靖雄
加藤崇文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyozo Denki K K
Kyosan Denki Co Ltd
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Kyozo Denki K K
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Priority claimed from JP2016133711A external-priority patent/JP2018003758A/en
Priority claimed from JP2016133710A external-priority patent/JP6658361B2/en
Application filed by Kyozo Denki K K filed Critical Kyozo Denki K K
Publication of CN109416006A publication Critical patent/CN109416006A/en
Application granted granted Critical
Publication of CN109416006B publication Critical patent/CN109416006B/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
    • F02M37/22—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
    • F02M37/26—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 with water detection means
    • F02M37/28—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 with water detection means with means activated by the presence of water, e.g. alarms or means for automatic drainage
    • 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
    • F02M37/34—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 by the filter structure, e.g. honeycomb, mesh or fibrous
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Materials (AREA)

Abstract

Fuel filtration (2) includes moisture agglomerator (32).Moisture agglomerator has frame (51) and fibrous layer (61).Fibrous layer is the tubular scroll of strip material.Strip material is wound two circles or more.Strip material forms thick fiber layer.Fibrous layer is fixed to frame by multiple joint portions.Both the most upstream layer of strip material and most downstream layer are fixed on frame by multiple joint portions.Shell (6) can be separated into lid (21) and cup body (22), to replace filter (31).Moisture agglomerator is attached to cup body by holding section (22a, 51a).

Description

The manufacturing method of moisture agglomerator, fuel filtration and moisture agglomerator
The mutual reference of related application
The Japanese patent application 2016-133710 and mention on July 5th, 2016 that the application was submitted on July 5th, 2016 Apply based on Japanese patent application 2016-133711 of friendship, the disclosure of basis application is incorporated by reference into the application.
Technical field
Disclosure in this specification is related to a kind of moisture agglomerator for being aggregated contained humidity in fuel, fuel mistake Filter the manufacturing method of device and moisture agglomerator.
Background technique
Patent document 1-5 discloses several fuel filtrations.These fuel filtrations include: filter, removal Because of solid foreign materials and water-separator that fuel filter generates, contained humidity in fuel is made to be aggregated and separate.From fuel At least part of the performance of moisture is separated, performance, the i.e. moisture compendency of big water droplet can be become and being aggregated moisture It can assess.Big water droplet this have the advantage that, is easy to through Gravity Separation, shock separation, utilizes water repellent layer (water repellent layer) point From etc. known separation techniques separated.In patent document 1-5, attempts to use moisture agglomerator, be made by moisture agglutinant layer Moisture agglutination.The documented prior art in existing technical literature, the description as technology essential factor in this specification are quoted The application is added.
Existing technical literature
Patent document
Patent document 1: special open 2010-223028 bulletin
Patent document 2: No. 2014/0102969 specification of U.S. Patent Application Publication No.
Patent document 3: U.S. Patent No. 8360251
Patent document 4: U.S. Patent No. 7887704
Patent document 5: No. 2014/0284268 specification of U.S. Patent Application Publication No.
Summary of the invention
In order to show high moisture agglutinating performance, thick agglutinant layer may be needed in some cases.However, thick agglutinant layer With several different projects.
A kind of viewpoint thinks that thick agglutinant layer is difficult to firmly fix.In fuel stream, need inhibiting thick agglutinant layer broken While splitting, decompose, its thickness and biggish surface area are maintained.
Another viewpoint thinks, it is difficult to the thicker single agglutinant layer of manufacture.Thicker single agglutinant layer, in manufacturing process Processing and manufacturing process in processing it is relatively difficult.Therefore, thicker single agglutinant layer needs especially to infuse in manufacturing process Meaning.
In addition, comprising solidifying for removing the filter of solid foreign materials, the moisture for being aggregated moisture in fuel filtration When storage, there are several projects.
A kind of viewpoint thinks, since filter can generate reduced performance or failure, can preferably replace.Also, Since moisture agglomerator can also generate reduced performance or failure, sometimes require that it can be replaced.In addition, the replacing construction of filter It, in some cases may be different with the replacing construction of moisture agglomerator.Therefore, comparatively ideal situation is, by filter It removes from moisture agglomerator and is replaced again.
Another viewpoint thinks that user or operator have the case where paying attention to environmental loads or economy.In such case Under, it is desirable that the replacing options of the lesser replacing options of carrying capacity of environment or economical advantages are provided.For example, it is desired to which one kind is easy to manage Formal similarity, the structure replaceable filter.
In above-mentioned viewpoint or other unmentioned viewpoints, it is desirable that be further improved moisture agglomerator and fuel filter dress It sets.
The object of the present invention is to provide a kind of moisture agglomerator, fuel filtration, Yi Jishui with thick agglutinant layer Segregate the manufacturing method of storage.
It is a further object of the invention to provide a kind of moisture agglomerators with easily fabricated thick agglutinant layer, combustion Expect the manufacturing method of filter device and moisture agglomerator.
Yet another object of the invention is that providing a kind of moisture agglutination that can fix thick agglutinant layer with a small amount of component The manufacturing method of device, fuel filtration and moisture agglomerator.
In addition, yet another object of the invention is that, providing one kind can make in the life cycle different from filter Moisture agglomerator.
It is a further object of the invention to provide the fuel filtrations that one kind can only promote filter replacement.
Moisture agglomerator provided by the invention comprising: frame allows fuel to Radial Flow；Fibrous layer, for peace Tubular fibrous layer loaded on frame, for being aggregated moisture in fuel, it includes be configured to two circles or more to weigh radially The scroll of folded two layers or more of strip material；And multiple joint portions, fibrous layer is fixed on frame.Moisture of the invention is solidifying Storage provides fibrous layer by the scroll of strip material.Material is configured to two circles or more, thus radially be overlapped two layers with On.Thick fiber layer is formed using strip material.Also, due to using strip material, come in terms of being easily handled, reducing waste It sees, can get the advantage in manufacture.
Moisture agglomerator provided by the invention comprising: frame allows fuel to Radial Flow；Fibrous layer, for peace Tubular fibrous layer loaded on frame, for being aggregated moisture in fuel, it includes be configured at least partly be overlapped radially The scroll of two layers or more of strip material；And multiple joint portions, fibrous layer is fixed on frame；Wherein, multiple engagements Portion should will separate the configuration of at least one middle layer, formation the last layer with joint portion is run through through joint portion from frame Material, by middle layer bonded to frame.Moisture agglomerator of the invention has tubular fibrous layer.Fibrous layer passes through more A joint portion is fixed on frame.Multiple joint portions can provide reliable fixation.Also, multiple joint portions have through engagement Portion.Through joint portion by the material of formation the last layer that is separating the configuration of at least one middle layer from frame, pass through middle layer On bonded to frame.Through joint portion while keeping thick fiber layer, the last layer is fixed on frame.Therefore, can press down It is damaged to make the fibrous layer as caused by fuel flowing.
Fuel filtration provided by the invention comprising: above-mentioned moisture agglomerator；Filter is removed from fuel Solid foreign materials；And shell stores moisture agglomerator and filter while restriction forms fuel channel.
The present invention offer moisture agglomerator manufacturing method, wherein moisture agglomerator includes: frame, allow fuel to Radial Flow；And it is cylindrical in shape fibrous layer, it is used to be aggregated the moisture in fuel；The manufacturing method of moisture agglomerator comprising: Rolling step, by the way that in the inner or outer side of frame, the strip material for being aggregated moisture in fuel is wound as at least partly Two layers of overlapping or more, and the scroll of forming material；And bonding process, it will be on fibrous layer bonded to frame；Wherein, work is wound Sequence has the step of separating at least one middle layer from frame and configuring the last layer；And bonding process is last with that will be formed One layer of material passes through the step on middle layer bonded to frame.It is band-like in the manufacturing method of moisture agglomerator of the invention Material is wound into two layers of at least partly overlapping or more.As a result, the last layer is configured to separate at least one from frame Middle layer.In bonding process, the material for forming the last layer passes through on middle layer bonded to frame.According to this method, fiber Layer can be manufactured by rolling step.Also, by bonding process, fibrous layer is fixedly secured on frame.
In addition, moisture agglomerator of the invention, can be such that the moisture in fuel is aggregated.Moisture agglomerator is removed with from fuel The filter of solid foreign materials is accommodated in together in the shell to form fuel channel.Moisture agglomerator has shell linking part, the shell Body linking part is formed as, and the connection status with shell is able to maintain in the state that filter is removed from shell.Root According to moisture agglomerator of the invention, even if filter is removed from shell, still moisture can be kept solidifying by shell linking part Connecting state between storage and shell.Even if removing filter, moisture agglomerator can also be remained.As a result, can not be with Filter is replaced simultaneously.Moisture agglomerator can use in the life cycle different from filter.
Fuel filtration of the invention, including moisture agglomerator, shell and filter.Even if removing filtering from shell Device, fuel filtration can also keep the connecting state between moisture agglomerator and shell by shell linking part.Fuel mistake Filter device can be shown as can replacement filter.
Various ways disclosed in this specification use technological means different from each other to realize respective purpose.Right The appended drawing reference in bracket recorded in claimed range and claim only illustratively indicates itself and aftermentioned implementation Corresponding relationship between mode part, is not intended to limit rights protection scope.By reference to detailed description below and attached drawing, originally Purpose, feature disclosed in specification and effect can be definitely.
Detailed description of the invention
Fig. 1 is the block diagram of fuel supply system in first embodiment；
Fig. 2 is the sectional view of fuel filtration；
Fig. 3 is the longitdinal cross-section diagram of the moisture agglomerator of fuel filtration；
Fig. 4 is the view in transverse section of the moisture agglomerator of fuel filtration；
Fig. 5 is the sectional view for showing the 1st fixed part；
Fig. 6 is the sectional view for showing the 1st fixed part；
Fig. 7 is the sectional view for showing the 1st fixed part；
Fig. 8 is the sectional view for showing the 2nd fixed part；
Fig. 9 is the sectional view for showing the 2nd fixed part；
Figure 10 is the sectional view for showing the variation of the 2nd fixed part；
Figure 11 is the sectional view of fuel filtration in second embodiment；
Figure 12 is the exploded view of fuel filtration in second embodiment；
Figure 13 is the exploded view of fuel filtration in third embodiment；
Figure 14 is the exploded view of fuel filtration in the 4th embodiment；
Figure 15 is the view in transverse section of moisture agglomerator in the 5th embodiment.
Specific embodiment
Multiple embodiments are illustrated with reference to the accompanying drawings of the specification.In multiple embodiments, functionally and/or Corresponding part and/or associated part in structure are labeled as identical appended drawing reference, or labeled as hundred or more numbers The different appended drawing reference in position.Corresponding part and/or associated part, can be with reference to the explanation in other embodiments.
First embodiment
<fuel supply system>
The section of fuel filtration 2 on vehicle shown in fig. 1 in fuel supply system 1 mounted.In figure, fuel Flow direction indicated with block arrow.Fuel is supplied to from fuel tank (TNK) 3 as fuel consumption by fuel supply system 1 The internal combustion engine (ENG) 4 of device.Internal combustion engine 4 another example is use diesel engine of the light oil as fuel.Internal combustion engine 4 Type is unrestricted.For example, the internal combustion engine that can use the various HC fuel such as gasoline, biodiesel is application.Internal combustion Machine 4 is used as mechanical power source.For example, internal combustion engine 4, which provides vehicle enforcement, uses power source.In internal combustion engine 4, it is provided with as combustion Expect the high-pressure pump and fuel injection valve of a part of feedway 1.
Fuel supply system 1 has the low-lift pump for pumping 3 fuel of fuel tank.Low-lift pump setting is filled in fuel filter It sets between 2 and fuel tank 3 or between fuel filtration 2 and internal combustion engine 4.In the example shown in the series of figures, low-lift pump is accommodated in fuel In case 3.The fuel to pressurize through low-lift pump is fed into fuel filtration 2.Fuel filtration 2 is by fuel filter.Through firing Expect the fuel that filter device 2 filters, is supplied in internal combustion engine 4 via high-pressure pump and fuel injection valve.
<fuel filtration>
Fuel filtration 2 includes shell 6 and filter unit 7.Shell 6 stores filter unit 7.Shell 6 has combustion Expect entrance 11 and fuel outlet 12.Shell 6 has lid 21 and cup body 22.Lid 21, which provides, is used for fixed fuel filter device 2 Retainer.Retainer is used to fuel filtration 2 being fixed to vehicle.In order to replace filter unit 7, lid 21 and cup Body 22 can separate.By removing cup body 22 from lid 21, filter unit 7 can be exposed, become replaceable shape State.Shell 6 is made of metal or resin.Lid 21 is made of metal, such as is made of aluminium alloy.Cup body 22 is formed from a resin.
In Fig. 2, thus it is shown that the section of fuel filtration 2.Shell 6 has the access road 13 extended from entrance 11. Access road 13 provides a part for the dirty side region DS that unfiltered fuel flows through.Shell 6 has what is extended from outlet 12 to go out Mouth channel 14.Exit passageway 14 provides a part of the filtering cleaning side region CS that post fuel flows through.Shell 6 provides connection entrance 11 and outlet 12 fuel flow path.Lid 21 and cup body 22 limit the cavity formed as fuel channel inside it.Lid 21 With cup body 22, the space for being formed and including dirt side region DS and cleaning side region CS is limited.Dirty side region DS and access road 13 connections.Cleaning side region CS is connected to exit passageway 14.
Shell 6 is also to provide the component of the container of storage filter unit 7.Shell 6 can be opened to remove filter Unit.Lid 21 and cup body 22 are configured to dismantle.The first shell portion of the offer fixed configurations of lid 21.The offer of cup body 22 can The second shell portion of disassembly.
Between lid 21 and cup body 22, it is provided with the link mechanism for removably linking lid 21 Yu cup body 22 23.Bindiny mechanism 23 is by the spiral shell including the box thread being set on lid 21 and the male thread being set on cup body 22 Line mechanism provides.Bindiny mechanism 23 may include containment member, which is provided between sealing cover body 21 and cup body 22 Sealing.
The bottom of cup body 22 fastens 25 equipped with porus excretorius 24 and excretion.Porus excretorius 24 and excretion fasten 25, provide for product to be discharged It is stored in the ponding of 22 bottom of cup body and the discharge mechanism of foreign matter.
The bottom of cup body 22 is equipped with water level sensor 26.When the water accumulation level of 22 bottom of cup body reaches setting water level, water Level sensor 26 can export detection signal.Water level sensor 26 has buoy 27 and support column 28.Support column 28 is configured to certainly 22 bottom of cup body upwardly extends.Buoy 27 can float along support column 28.Buoy 27 floats with water level.For example, support column Magnetic switch is accommodated in 28.Permanent magnet is accommodated in buoy 27.As a result, when buoy 27 reaches preset height, magnetic control is opened Pass will export detection signal.
Filter unit 7 is detachably mounted to retainer 6.Filter unit 7 can be replaced.Filter unit 7, peace Open end loaded on cup body 22.The cup body 22 of filter unit 7 is installed, is inserted into lid 21, lid 21 is borrowed with cup body 22 It is connected by link mechanism 23, therefore filter unit 7 is located in correct position.When filter unit 7 is located at correct position, Dirty side region DS and cleaning side region CS are separated.
Filter unit 7 has for providing the fundamental of the basic function of fuel filtration 2 and for mentioning For the additional element of additional function.Fundamental, for the filter 31 for removing solid foreign materials and by fuel filter.It is additional to want Element, for the water-separator of moisture in separation fuel.Water-separator includes: capturing the moisture in fuel, forms water droplet and make The agglutination stage that water droplet becomes larger, and the separation phase that water droplet is separated from fuel.The agglutination stage is by having capture moisture The moisture agglomerator 32 of fibrous layer provides.Separation phase is by providing the sedimentation separation room of drops of water fall down.Sedimentation separation room is limited It is shaped as in shell 6.And water-separator is configured in dirty side region DS.
Filter 31 has frame 41.Frame 41 is when being configured between lid 21 and cup body 22 by dirty side region DS The component kept apart with cleaning side region CS.Moreover, frame 41 is also the component for limiting filtration channel, the filtration channel Fuel is allowed to flow to cleaning side region CS from dirty side region DS.
Frame 41 is also the component for supporting member 42.Element 42, by the filter material for removing foreign matter in fuel come shape At.The filter material for forming element 42 is the fibre that can be referred to as paper.Filter material is by making fuel make a return journey to the flowing of its thickness direction Except foreign matter.Element 42 is configured to cross filtration channel.Element 42, for filtering the fuel for flowing through filtration channel.Element 42 is formed It is substantially cylindric.Element 42 includes the multiple cylinders formed by filter material.Multiple cylinder is by banding at cylindric.Multiple cylinder leads to Crossing makes fuel along the axial flowing of cylinder to filter fuel.Element 42 is axial-flow type filter.In example illustrated, fuel is from member 42 lower end of part flows to upper end.
Frame 41 has cover portion 43, interconnecting piece 44 and mesotube 45.Cover portion 43 is connect with element 42 with cladding element 42 Outflow end.The radial outside edge of cover portion 43 contacts in sealed states with the cabinet provided by lid 21 and cup body 22.
Interconnecting piece 44 is tightly connected with the wall surface of shell 6.On interconnecting piece 44, it is close to be provided with the lip shape as containment member Sealing.Interconnecting piece 44 is located between the opening of the access road 13 on shell 6 and the opening of exit passageway 14.Even Socket part 44, and the component that dirty side region DS and cleaning side region CS are kept apart.
Mesotube 45, for the cylindrical member extended axially through 42 central part of element.Mesotube 45, limits inside it It has been be shaped as that, the access road extended in the axial direction from the radially inner side of interconnecting piece 44.Mesotube 45 is to form leading to for fuel channel Road component, the fuel channel are used for through the fuel before being filtered by element 42.Mesotube 45 has to be linked with moisture agglomerator 32 Connecting piece 46.Connecting piece 46 is alternatively referred to as the first linking part, separably links with moisture agglomerator 32, with solidifying to moisture Storage 32 supplies fuel.The lateral surface of the protruding portion from the mesotube 45 outstanding of element 42 is arranged in connecting piece 46.In in addition, Entreat its top of pipe 45 that there is opening 47.Mesotube 45 and limited opening component limit in cabinet as fuel channel Opening 47.Opening 47, is opened on the central portion that the shell formed is limited by lid 21 and cup body 22.
Filter unit 7 is seized on both sides by the arms between lid 21 and cup body 22.Cover portion 43 is maintained at interconnecting piece 44 and lid 21 Between and the outer rim and cup body 22 of cover portion 43 between.
Moisture agglomerator 32 is formed to have the component of cylindric appearance.Moisture agglomerator 32 has frame 51 and fibrous layer 61.Frame 51 has multiple openings radially, to allow fuel to Radial Flow.Frame 51 supports fibrous layer 61.Frame 51 It is referred to as cage type bracket (holder) or spool.Frame 51 has upside end plate 52 and downside end plate 53.End plate 52,53 is logical Fastening, bonding or welding is crossed to be linked.Frame 51 is formed from a resin.This resin is thermoplastic resin.
Shell 6 and moisture agglomerator 32 have the link mechanism for linking shell 6 and moisture agglomerator 32.Link mechanism With the holding section 22a being arranged in the cup body 22 and holding section 51a being arranged on frame 51.Holding section 22a, 51a provide button Mechanism is closed, can engage or be detached from using the flexible deformation of resin material.Clamping mechanism, when filter unit 7 is by from shell 6 When middle taking-up, connection shell 6 and moisture agglomerator 32 are so that moisture agglomerator 32 stays in cup body 22.Holding section 22a, 51a institute The strength of connection of the link mechanism of offer is better than strength of connection provided by connecting piece 46.
When filter 31 is by the upward withdrawing out of cup body 22, holding section 22a, 51a keep cup body 22 and moisture agglomerator Connecting state between 32, and connecting piece 46 separates filter 31 with moisture agglomerator 32.It is solidifying that the structure can promote moisture The recycling of storage 32, and promote only to replace filter 31.Moisture agglomerator 32, compared with filter 31, it is not easy to block.Water It segregates storage 32 and is more able to bear long-time service than filter 31.The structure can inhibit the cost generated by replacement.
Fibrous layer is tubular.Fibrous layer 61 is maintained on frame 51.Fibrous layer 61 is installed on frame 51.Fibrous layer 61 Referred to as agglutinant layer.Fibrous layer 61 provides the moisture for being aggregated moisture in fuel and is aggregated component.The capture of fibrous layer 61 is dispersed in combustion Small water droplet in material simultaneously makes its agglutination.Fibrous layer 61 captures moisture, and water droplet is made to become larger.The water that fibrous layer 61 becomes larger agglutination Drop is discharged into fuel again, and settles it in cup body 22.Fibrous layer 61 is by having the physical characteristic for being suitable for capturing water droplet It is formed with the fiber of chemical characteristic.
Fibrous layer 61 provides the gap for being greater than the filter material of filter 31.Filter 31 has lesser hole required to remove Minimum foreign matter.On the other hand, fibrous layer 61 cannot remove required minimum foreign matter.Fibrous layer 61 has biggish hole.Also, it is fine The thickness for tieing up layer 61 is much larger than the thickness of the filter material of filter 31 in the flowing direction.In addition, fibrous layer 61 is higher due to its Voidage and thickness and it is more soft than the filter material of filter 31.
It, can be with referenced patent document 1-5 about fibrous layer 61.The disclosure of patent document 1-5 is incorporated by reference into this Specification.For example, fibrous layer 61 is hydrophilic fibre, such as artificial silk.
<moisture agglomerator>
Fig. 3 and Fig. 4 is the sectional view for showing moisture agglomerator 32.Fig. 3 shows the section of III-III line in Fig. 4.
Fig. 4 shows the section of IV-IV line in Fig. 3.Frame 51 has the shape for being similar to the spool for batching strip material Shape.There are two end plates 52,53 for the tool of frame 51.End plate 52,53 is configured to opposite to each other.Frame 51 has configuration in end plate 52,53 Between mandrel 54.Mandrel 54 is also the core for fibrous layer 61.Mandrel 54 has many gaps to allow fuel to flow through fibre Tie up layer 61.Mandrel 54 is provided to the multiple channels radially extended.
End plate 52 is also referred to as upper component (upper member).End plate 52 is circular plate.End plate 52 has tubular Portion 52a.The center of end plate 52 is arranged in cylindrical portion 52a.Cylindrical portion 52a is linked by accepting mesotube 45 with mesotube 45. Cylindrical portion 52a limits the entrance to be formed for accepting fuel from mesotube 45.By cylindrical portion 52a, moisture agglomerator 32 can be with It is separated with filter unit 7.Therefore, it can only replace filter 31 or only replace moisture agglomerator 32.Cylindrical portion 52a is also A part of mandrel 54.
End plate 52 provides ring plain 52b.Plane 52b is located at the radial outside of cylindrical portion 52a.Plane 52b provides contact Sealing prevents the leakage between the end face of fibrous layer 61 and end plate 52 by the contact of the end face of fibrous layer 61.Plane 52b Between fibrous layer 61, the bonding part of not set such as adhesive or resolidification layer etc.
End plate 53 is also referred to as lower member (lower member).End plate 52 and end plate 53 link to form the frame of diagram 51.End plate 53 has conus portion 53a in central portion.Conus portion 53a is provided downwards while extending to radial outside Downward inclined surface.The surface tilted down helps to create downward flowing.Downward flowing can promote the sedimentation of water droplet.
End plate 53 has the ring plain 53b opposite with plane 52b.Plane 53b is located at the radial outside of conus portion 53a. Two planes 52b, 53b are relative to each other in the up-down direction.Two planes 52b, 53b in the width direction of fibrous layer 61 each other Relatively.Plane 53b provides contact sealing, and end face and the end plate of fibrous layer 61 are prevented and contacting with the end face of fibrous layer 61 Leakage between 53.Between plane 53b and fibrous layer 61, the bonding part of not set such as adhesive or resolidification layer etc.
Plane 52b, 53b are opposite with two end faces of fibrous layer 61.In other words, fibrous layer 61 have only with plane 52b, Two end faces of 53b contact.
Edge is lower to wall 53c with extending downwards on the outside for end plate 53.It is lower to can promote water droplet to wall 53c and become larger And water droplet is promoted to be discharged into fuel.
In addition, end plate 53 has multiple ribs 55.Rib 55 is plate.Multiple ribs 55 are configured to radial.Multiple ribs 55 are in week Be separated from each other setting upwards.Between multiple ribs 55, restriction is formed with the multiple channels radially extended.Multiple ribs 55 are by including 8 ribs including the rib 55b that the rib 55a started and winding terminate are wound to provide.Multiple ribs 55 are also a part of mandrel 54.
End plate 53 has multiple supporting parts 56.Multiple supporting parts 56 dispersedly configure at the radial outside edge of multiple ribs 55 On.Supporting part 56 is to radial outside protrusion outstanding.Multiple supporting parts 56 are separated from each other configuration in the axial direction.Multiple supporting parts 56 are separated from each other configuration in the circumferential.The radial outer side of supporting part 56 is curved surface.The radial outer side and fiber of supporting part 56 The inner surface contact of layer 61.Multiple supporting parts 56 provide the contact surface for accepting, supporting fibrous layer 61.
The radial outside of frame 51 is configured with fibrous layer 61.Fibrous layer 61 is tubular.Fibrous layer 61 and multiple ribs 55 are right It answers, is slightly in multi-panel tubular.Fibrous layer 61 has inner peripheral surface, outer peripheral surface and two end faces.The inlet face of inner peripheral surface offer fuel.Outside The exit face of circumferential surface offer fuel.Two end faces are resisted against end plate 52,53.Two end faces provide sealing surface.
61 streamwise of fibrous layer has multiple layers.Multiple layers mutually directly contact.Each layer is by identical fiber shape At.Fibrous layer 61 is formed by strip material 62.Strip material 62, can by by long strip base material be cut into predetermined length or It is obtained and being cut from square substrates.Therefore, compared with the case where being cut into circular slab from substrate, reduce the wave of material Take.Material 62 is non-woven fabrics.Material 62 is properly termed as cotton like.Material 62 has the fibre density far below 31 material of filter. Material 62 has can be wound on the pliability on frame 51.
Fibrous layer 61 configures on mandrel 54.Fibrous layer 61 configures the radial outside in mandrel 54.Material 62 has and can claim For helical form or the shape of vortex shape.Fibrous layer 61 includes the tubular scroll of strip material 62.Fibrous layer 61 can be only by scroll To provide.Fibrous layer 61 is provided by the laminated body of continuous strip material 62.Other than the scroll of material 62, fibrous layer 61 can With extra play.
Material 62 is layered on mandrel 54.Material 62 is configured to, be at least partly overlapped two layers radially or more.Material 62 are configured to two circles or more, thus be overlapped two layers radially or more.Material 62 is configured to three circles or more, to form three layers of weight It is folded.It is laminated into two layers or more of material 62, to form thick fiber layer 61 by direction along fuel.
Material 62 is configured along imagination circumferential surface provided by mandrel 54.Material 62 is more than 54 liang of circles of mandrel.Material 62 can also be more than the circle of mandrel 54 3.It is directly contacted in two adjoining courses that 61 middle layer of fibrous layer gathers into folds.The mechanism makes Thick fiber layer 61 must be formed to be possibly realized.
Material 62 has end 63 and end 64.The end 63 of inside is winding starting end.The end 64 in outside is winding End.End 63 and end 64 configure between adjacent in the circumferential two ribs 55a, 55b.Material 62 two rib 55a, There is the change section (shift portion) from la m to outer layer between 55b.Change section is that material 62 is bent stepped Part.Multiple change section centralized configurations are between two ribs 55a, 55b.This configuration is so that the outer peripheral surface of fibrous layer 61 is close Circle is possibly realized.
Frame 51 and fibrous layer 61 engage at multiple joint portions 71.Inner surface or appearance of the joint portion 71 in fibrous layer 61 It is dotted (dot) on face.In other words, when the fibrous layer 61 from radial outside, joint portion 71 is in dotted.Joint portion 71 is to make The material molten of frame 51, and the resolidification portion for penetrating into fibrous layer 61, and being formed by curing again.In joint portion 71, frame Frame 51 is inseparably bonded together with fibrous layer 61.
Multiple joint portions 71 dispersedly configure on the tubular outer peripheral surface of fibrous layer 61.Multiple joint portions 71 are equably divided It dissipates.Multiple joint portions 71 disperse axially and circumferentially.
As shown in figure 3, multiple joint portions 71 include to be separated from each other multiple joint portions 71 of setting along axial direction.In figure, show Along 4 joint portions 71 of axial arrangement.As shown in figure 4, multiple joint portions 71 include the more of setting that are separated from each other in the circumferential A joint portion 71.In figure, 8 joint portions 71 circumferentially configured are shown.Multiple joint portions 71 are between axial and circumferentially first-class It is configured every ground.In the example in the figures, multiple joint portions 71 are configured to the dot pattern similar to 4 × 8=32 (PolkadotsPattern)。
Innermost layer (innermost material 62) is joined together by multiple joint portions 71 with frame 51.It joint portion 71 will At least one layer is joined together with frame 51.Multiple configurations of joint portion 71 are on the top of multiple ribs 55.
As shown in figure 4, multiple joint portions 71 have joint portion 71a and joint portion 71b.Joint portion 71a, will shape radially At the material 62 of most junior one layer, from 51 bonded to frame 51 of frame.Joint portion 71a is also referred to as contiguous engagement portion.Joint portion 71a exists One end 63 is nearby by 62 bonded to frame 51 of material.Joint portion 71a engages innermost layer with frame 51.Joint portion 71a will be located at the layer of fuel stream most upstream, be fixed to frame 51.On most junior one layer, it is provided with multiple joint portion 71a.
Joint portion 71b will separate the configuration of at least one middle layer, formation the last layer material 62 every 51 from frame, By on middle layer bonded to frame 51.Joint portion 71b also referred to as runs through joint portion.Joint portion 71b is attached in another end 64 It closely will be on 62 bonded to frame 51 of material.Joint portion 71b engages outermost layer with frame 51.Joint portion 71b is by outermost Layer engaged with frame 51.Joint portion 71b will be located at the layer of fuel stream most downstream, be fixed on frame 51.Joint portion 71b is only set It sets near the end 64 that the winding of material 62 terminates.
Joint portion 71b can engage multiple layers with frame 51.For example, joint portion 71b has all layer engagements to frame The case where frame 51.Multiple layers are fixed to frame 51 by joint portion 71b.Joint portion 71b will be whole on the thickness direction of fibrous layer 61 A fibrous layer 61 is fixed to frame 51.In other words, fibrous layer 61 is sewn to frame 51 by joint portion 71b.Joint portion 71b is by three layers of material Expect 62 bonded to frame 51.
Joint portion 71a is arranged on the rib 55a that winding starts.Joint portion 71a is initial bonding station.Joint portion 71b is set It sets on the rib 55b that winding terminates.Joint portion 71b is the last bonding station after the winding to form lap.
Multiple joint portions 71 by material 62 circumferentially, axially and radially be fixed to frame 51.End 63 and joint portion 71a it Between Extendible flake, by its own rigidity keep diagram shape.Extendible flake between end 64 and joint portion 71b, by it Itself rigidly keeps the shape of diagram.When fuel flowing, under normal operating condition, these Extendible flakes also keep as scheme institute It is showing with contact adjacent layers shapes.
Along multiple joint portions 71 that the inner peripheral surface or outer peripheral surface of fibrous layer 61 disperse, contributes to form and be reliably fixed.And And it provides and is reliably fixed as the joint portion in resolidification portion 71.Multiple joint portion 71a can inhibit fuel stream upstream side to fibrous layer 61 extruding.And joint portion 71b can inhibit separation of the fibrous layer 61 to fuel stream downstream side.Fibrous layer 61 is only by end face It is contacted with plane 52b, 53b and sealing is provided.Therefore, stable sealing can be obtained independent of adhesive thickness.It is tied Fruit, it can be achieved that fibrous layer 61 be reliably fixed and leakproofness.The structure can reduce cost.
As shown in Fig. 2, holding section 22a, 51a provide shell linking part.Shell linking part is formed, even if from shell In the state that 6 remove filter 31, moisture agglomerator 32 is also able to maintain the connecting state with shell 6.Replacement operation, including pine It opens the stage of link mechanism 23 and is removed from lid 21 stage of cup body 22.Lid 21 and cup are separated in link mechanism 23 The operation of body 22 is rotation operation.The connecting state formed between moisture agglomerator 32 and cup body 22 by shell linking part, can To be released by the operation different from rotation operation.Shell linking part, by while making resin material flexible deformation, The axial operation of drawing moisture agglomerator 32 or it is slightly slanted the axial operation of drawing in the axial direction, becomes releasing state.Therefore, lead to The operation to link mechanism 23 is crossed, the connecting state of shell linking part will not be released from.
Further, replacement operation, including from 22 inside drawing filter 31 of cup body stage, from 22 inside drawing of cup body The stage of moisture agglomerator 32 and the stage replaced and re-assemblied.When filter 31 is by drawing in the axial direction, shell Linking part keeps fastening state, and keeps the connecting state between moisture agglomerator 32 and cup body 22.Therefore, even if by filter 31 are pulled out out of cup body 22, and moisture agglomerator 32 can also stay in cup body 22.Thus it can promote being individually replaced for filter 31. In addition, being dirty side region DS inside cup body 22, the upstream and downstream of fibrous layer 61 is also dirty side region DS.Therefore, even if Connecting piece 46 is inserted into new filter 31 after being drawn out, foreign matter can also be inhibited to enter cleaning side region CS.
Connecting piece 46 and cylindrical portion 52a are the linking parts that filter 31 and moisture agglomerator 32 are mechanically linked.Also, Connecting piece 46 and cylindrical portion 52a are also fluid linking part, the fluid connection of fuel channel are provided, to allow fuel to flow through fiber Layer 61.Shell linking part is formed as, even if in the state that the connection in fluid linking part is released from, is also able to maintain and shell 6 connecting state.
<manufacturing method>
The manufacturing method of fuel filtration 2 comprising: the process for forming shell 6；The configurating filtered device list in shell 6 The process of member 7；And the process of closing of housing 6.The manufacturing method of filter unit 7 comprising: the work of assembling filter device 31 Sequence；The process for assembling moisture agglomerator 32；And the process for linking filter 31 and moisture agglomerator 32.
The method for replacing filter unit 7 comprising: the process for opening shell 6；The process for taking out old filter unit 7； The process for configuring new filter unit 7；And the process of closing of housing 6.When being individually replaced filter 31, increase: by old mistake Filter module 7 disassembles the process at filter 31 and moisture agglomerator 32；And old moisture agglomerator 32 is attached to new filtering Device 31 and the process for manufacturing new filter unit 7.Dismantling process may include, in the connection for keeping moisture agglomerator 32 and cup body 22 While state, stage for keeping filter 31 isolated with moisture agglomerator 32.Disassembling process can be in shell 6, in shell 6 It opens and is carried out simultaneously in process.Link process can keep the same of the connecting state between moisture agglomerator 32 and cup body 22 When, it is carried out in shell 6.Link process can carry out simultaneously in the closing process of shell 6.
The manufacturing method of moisture agglomerator 32 comprising: form the formation process of frame 51；Fibrous layer 61 is mounted on frame Installation procedure on frame 51；And fibrous layer 61 is fixed to the fixed step of frame 51.Formation process may include using resinous wood The step of expecting mold frame 51.Installation procedure can be provided by the rolling step along 51 coiling material 62 of frame.Erector Sequence can also be provided by the process of the installation frame 51 in the fibrous layer 61 that material 62 is rolled into.In the present embodiment, it installs Process is provided by rolling step.
Installation procedure, including to make fuel form by fibrous layer 61 rank of sealing between fibrous layer 61 and frame 51 Section.Sealing system by by the end face of tubular fibrous layer 61 be pressed against plane 52b, 53b it is upper and formed.Sealing system passes through in winding work It is upper and formed that the length direction end face of material 62 is pressed against plane 52b, 53b in sequence.In rolling step, material 62 will grown While degree direction end face is pressed against in plane 52b, 53b, it is wound on frame 51.
Rolling step is the process by material 62 on frame 51.Rolling step starts from the winding on rib 55a. Material 62 is wound since the end 63.When end 64 is positioned in the predetermined position of diagram, rolling step terminates.
Rolling step is coiling material 62 and the process for making it at least partly be overlapped two layers or more.Rolling step includes Material 62 is only wound to the first stage of a circle on frame 51.The first lap of forming material 62 as a result,.Rolling step also wraps It includes, the second stage that only additional winding one encloses on frame 51 by material 62.Second circle of forming material 62 as a result,.Wind work Sequence may also comprise, the phase III that only additional winding one encloses again on frame 51 by material 62.The third of forming material 62 as a result, Circle.As a result, fibrous layer 61 is formed.
Rolling step, the initial stage including material 62 to be located in the top rib 55a.In the initial stage, end 63 is determined Between first rib 55a and the last one rib 55b.In the initial stage, material 62 is further positioned on the top of rib 55a On.In the initial stage, material 62 is configured to cross rib 55a.In the initial stage, material 62 can also be configured to second On rib 55.After the initialization phase, above-mentioned first stage, second stage and phase III are executed.
The step of rolling step has, and at least separates a middle layer setting the last layer from frame 51.The process is by Three stages provided.Middle layer is provided by first layer and the second layer.
Fixed step is that fibrous layer 61 is fixed to frame 51 by forming multiple joint portions 71.Fixed step is being wound It is intermittently executed in process.Fixed step includes multiple stages for being respectively formed each in multiple joint portions 71.It is fixed Process may include, and after material 62 is positioned on rib 55a, be used to form the initial stage of initial joint portion 71a.It is fixed Process can also include after material 62 is positioned on second later rib 55a, being used to form the centre of joint portion 71a Stage.
Intermediate stage can execute in this way, i.e., after material 62 is positioned on multiple ribs 55, sequentially form multiple connect Conjunction portion 71a.Intermediate stage can execute, and after material 62 is positioned on a rib 55, shape is repeated on multiple ribs 55 At the single stage at a joint portion 71.In addition, the intermediate stage can also be divided into the multiple portions stage to execute.In a portion In stage by stage, material 62 and then the shape on these multiple ribs 55 are being configured to one group of multiple ribs 55, such as three ribs 55 At multiple joint portion 71a.And in remaining part stage, material is being configured to remaining one group of rib 55, such as three ribs 55 Expect 62 and then forms multiple joint portion 71a on these ribs 55.
Fig. 5 shows first rib 55a.Supporting part 56 is formed in the top of rib 55a.Before melting, supporting part 56 It is bigger.Rib 55a has the volume that can be supplied to the fixed molten resin of monolayer material 62.
Fig. 6 shows state when material 62 is positioned in the rib top 55a.In rolling step, material 62 is positioned On rib 55a.
Fixed step, the stage of a part comprising melting rib 55a.The step of fixed step also includes pressing material 62. A part of rib 55a is melted by being pressed against high-temperature component 57.Material 62 is squeezed and compressed by component 57.One of rib 55a It point can be by the high-energy that is externally supplied, for example, passing through laser irradiation, ultrasonic irradiation, electromagnetic wave irradiation, hot-air Supply etc. is melted.A part of rib 55a is in melt stage, the shape distortion as shown in Fig. 6.The stage is to frame The supply stage of free-flowing material is supplied between frame 51 and material 62.Material can bring the stream of the degree penetrated into material 62 Dynamic property.
Fixed step includes, by stage of the position fibers of material 62 in molten resin material.In this stage, melting tree Rouge material is permeated and is spread to fibrous layer.Also, a part of fiber enters in molten resin material.The stage is to make mobility The stage that material and material 62 mix.
Fixed step further includes making the molten resin material re-solidified stage.The stage is to reduce free-flowing material Mobility stage.The mobility of material drops to, and material 62 is fixed to the low-level of the degree of frame 51.
Fig. 7 shows an example at joint portion 71.Joint portion 71 is cured resin mass again.Joint portion 71 makes material 62 fiber enters inside resin mass.The shape at joint portion 71 is different from the shape of rib 55a.The change in shape of rib 55a is to connect The irregular bulk in conjunction portion 71.The surface at joint portion 71 has irregular surface with flowing.The shape at joint portion 71 can also The referred to as rodlike or column that extends to radial outside of the top in self-supporting portion 56.In addition, material 62 is then because joint portion 71 is solid again Contraction when change or to melt rib 55a from the pressure that outside applies, has the deformation being slightly recessed sometimes.For example, material 62 thickness has the case where being slightly reduced around joint portion 71.
As described above, the innermost layer of material 62 configures on frame 51 by the first stage of rolling step.By solid Determine process, forms multiple joint portion 71a.The fixed step provides, only radially by the neighbour on first layer bonded to frame 51 Connect engagement step.As a result, the innermost layer of material 62, i.e. most upstream layer are fixedly secured to frame 51.Next, winding work Sequence enters first stage, second stage and phase III.Every propulsion in the stage of rolling step is primary, and material 62, which is stacked, matches It sets on the last one rib 55b.
Fig. 8 shows the last one rib 55b.Supporting part 56 is formed in the top of rib 55b.Rib 55b, which has, can be supplied to three The volume of the fixed molten resin of layer material 62.Frame 51 and the number of plies for staying in material 62 thereon stay in fiber thereon The thickness of layer is corresponding.When the material 62 of third layer is positioned on the rib 55b that winding terminates, the last of fixed step is executed Part stage.In last part stage, the last one rib 55b is melted and solidifies again.
Fig. 9 shows an example of the joint portion 71b on the rib 55b that winding terminates.By fixed step, rib 55b is It is at least engaged and is melted with the outermost layer for the material 62 for forming multiple layers.Rib 55b with multiple layers in order to engage And it is melted.Rib 55b is melted to engage with all layers.Joint portion 71b is fixed by the multiple layers of fibrous layer formed 61.? It may be said that joint portion 71b has sewed fibrous layer 61.Trilaminate material 62 is substantially compressed by component 57 and forms recess portion 66.The process mentions The last layer bonded to frame 51 radially is run through into bonding process for use by middle layer.
It is axially disposed to have multiple supporting parts 56 on a rib 55.For example, on first rib 55a, it is axially disposed There are multiple supporting parts 56.In another example on the last one rib 55b, it is axially disposed to have multiple supporting parts 56.Therefore, in rib 55a On be axially formed multiple joint portion 71a.And multiple last joint portion 71b are then formed on rib 55b.These are multiple most The end 64 that the winding of material 62 terminates is fixed to frame 51 by joint portion 71b afterwards.Since end 64 is located at most downstream side, Therefore the thickness direction of fibrous layer 61 is integrally attached on frame 51 by joint portion 71b.
Figure 10 shows the variation of joint portion 71b.When forming joint portion 71b from rib 55b, around rib 55b, layer It is laminated with thick trilaminate material 63.Joint portion 71b can not exclusively run through trilaminate material 62.
<movement>
Fig. 2 is returned to, in figure, the flow direction of fuel is indicated by arrow.The fuel supplied from entrance 11, is aggregated by moisture After device 32, filter 31 is passed through, by 12 outflow of outlet.The water droplet flowed out from moisture agglomerator 32, because it from resedimentation and sinks Enter in cup body 22.On the other hand, fuel flows up in cup body 22 and flows into filter 31.The fuel for flowing through filter 31 arrives Up to outlet 12.
The water droplet sunk in cup body 22 accumulates in the bottom of cup body 22.In figure, it is schematically shown that water droplet WD and the water surface WL, wherein water surface WL is the boundary between water and fuel.When buoy 27 floats as water surface WL rises, water level sensor 26 output detection signals.Detection signal is sounded an alarm to operator.When operator unclamps excretion bolt 25, water is arranged Out.
Filter 31 is endowed the performance of desired size solid foreign materials in removable fuel filtration 2.Filter 31 is set It counts into, can remove tiny solid foreign matter so that high-pressure pump etc. can long-time retention property.On the other hand, it is arranged in moisture agglomerator Fibrous layer 61 in 32 cannot then remove above-mentioned expectable solid foreign materials.This is because fibrous layer 61 has than filter 31 Bigger hole.Fibrous layer 61 is to capture moisture and it is made to be aggregated and design.
Fuel is to flow to outer surface by the inner surface of fibrous layer 61.Joint portion 71a resists the pressure of fuel, and by fibrous layer 61 inner peripheral surface is located in predetermined position.Joint portion 71b resists the pressure of fuel, and by the outer peripheral surface of fibrous layer 61, for example hold Portion 64, is located in predetermined position.Therefore, even if fuel flows through inside fibrous layer 61, can also inhibit fibrous layer 61 rupture, And it decomposes.
Contained humidity in fuel is captured in fibrous layer 61 by fibrous layer, and is aggregated and becomes big water droplet.Water droplet is from fiber The outer surface of layer 61, is released in fuel again.
<effect>
According to above embodiment, pass through respectively independent available multiple characteristic structurals, it is possible to provide multiple advantages.Fiber Layer 61 can provide moisture agglomerator 32 and fuel filtration 2 with thick agglutinant layer.Fibrous layer 61, more than two circle of winding The tubular scroll of strip material 62 provide.Therefore, thick fiber layer 61 can be formed by easy-to-handle strip material 62.It is tied Fruit, it is possible to provide moisture agglomerator 32, the filter unit including the moisture agglomerator 32 with easily fabricated thick agglutinant layer 7 and fuel filtration 2.
Fibrous layer 61 is fixed to frame 51 by multiple joint portions 71.Multiple joint portions 71 can provide reliable fixation.And And multiple joint portions 71 are distributed.Multiple joint portions 71 and the fiber of fibrous layer 61 are formed as one.Therefore, it can be formed It is reliable fixed.
Multiple joint portions 71 comprising: fibrous layer 61 is fixed to frame in the inner peripheral surface of fibrous layer 61 by joint portion 71a Frame 51；And joint portion 71b, fibrous layer 61 is fixed to frame 51 in the outer peripheral surface of fibrous layer 61.71b offer in joint portion is passed through Wear joint portion.It will be on the material bonded to frame 51 that form the last layer by middle layer through joint portion.Exist through joint portion While keeping thick fiber layer 61, the position of fixed the last layer.Therefore, fibrous layer 61 as caused by fuel flowing be can inhibit It is damaged.
Fibrous layer 61, inner circumferential surface and outer peripheral surface are fixed to frame 51.Joint portion 71a can inhibit from fibrous layer 61 The extruding of inner peripheral surface.And joint portion 71b, it can inhibit the separation from 61 outer peripheral surface of fibrous layer.In other words, joint portion 71a inhibits Extruding of the fuel stream upstream side to fibrous layer 61.And joint portion 71b inhibits separation of the fibrous layer 61 to fuel stream downstream side.By This, it is possible to provide though number of components is capable of fixing the moisture agglomerator 32 of thick agglutinant layer, the filtering including the moisture agglomerator 32 less Device unit 7 and fuel filtration 2.
According to the manufacturing method of moisture agglomerator 32, strip material is wound into two layers of at least partly overlapping or more.Most Later layer is configured to separate at least one middle layer from frame 51.In bonding process, the material for forming the last layer passes through Middle layer bonded to frame 51.According to this method, fibrous layer 61 can be manufactured by rolling step.Also, pass through engagement work Sequence, fibrous layer 61 can be fixedly secured to frame.It, will be fine while keeping the position of the last layer in bonding process It ties up layer 61 and is fixed to frame 51.Therefore, thick fiber layer 61 is maintained.
Second embodiment
Present embodiment is the variation in the form of first embodiment.In the above-described embodiment, moisture is solidifying Storage 32 is arranged in dirty side region DS.Instead, moisture agglomerator also can be only fitted to cleaning side region CS.
As shown in FIG. 11 and 12, fuel filtration 2 has the filter 231 for removing solid foreign materials.Filter 231 Dirty side region DS and cleaning side region CS are divided by limiting inside shell 6.Filter 231 has the cylindric filter of accordion Material.Filter 231 has the containment members such as O-ring, and the containment member is for preventing dirty side region DS and cleaning side region CS Between direct connection.
The configuration of moisture agglomerator 232 is in cleaning side region CS.In other words, the configuration of moisture agglomerator 232 is in filter 231 Downstream.Moisture agglomerator 232 configures the radially inner side in filter 231.Moisture agglomerator 232 has frame 51 and is fixed to The fibrous layer 61 of frame 51.Fibrous layer 61 is fixed to frame 51 by multiple joint portions 71.Fibrous layer 61 provides moisture agglutination Layer.Moisture agglomerator 232 is attached to cup body 22 by holding section 22a, 51a.In the present embodiment, holding section 22a, 51a It can promote the recycling of moisture agglomerator 232.
In the present embodiment, the inward-facing circumferential surface in the periphery of fuel from tubular fibrous layer 61, radially flows.Due to fiber Layer 61 is supported by the frame 51 of inside, plays the role of conpressed fibers layer 61 with the pressure that fuel flowing generates.On the other hand, From frame 51 along multiple joint portions 71 that the thickness direction of fibrous layer 61 extends, play the role of keeping 61 thickness of fibrous layer.Cause This can also keep thick fiber layer 61 in the present embodiment.
Fuel filtration 2 has moisture separating layer 233.Moisture separating layer 233 configures in the downstream of moisture agglomerator 232 Side.The configuration of moisture separating layer 233 is between moisture agglomerator 232 and outlet 12.In moisture agglomerator 232 and moisture separating layer Between 233, the cylindrical cavity formed for settling water droplet is limited.Moisture separating layer 233 inhibits passing through for water droplet, promotes water droplet Sedimentation.Moisture separating layer 233 is provided by having the silk screen for being properly termed as waterproofness or hydrophobic nature.
Moisture separating layer 233 is attached to moisture agglomerator 232 by link mechanism 234.Link mechanism 234 is by fastening machine Structure provides.Link mechanism 234, while keeping moisture separating layer 233 to be attached to the state of moisture agglomerator 232, so that single Filter 231 is solely taken out to be possibly realized.Therefore, link mechanism 234 can promote the recycling of moisture separating layer 233.
Third embodiment
Present embodiment is the variation in the form of first embodiment.In the above-described embodiment, moisture point Absciss layer 233 is attached to moisture agglomerator 232.Instead, moisture separating layer can also be attached to filter 231.
As shown in figure 13, moisture separating layer 333 is attached to filter 231 by link mechanism 334.According to this structure, may be used Promote the recycling of moisture agglomerator 232.On the other hand, it can promote the replacement of filter 231 and moisture separating layer 333.
4th embodiment
Present embodiment is the variation in the form of first embodiment.In the above-described embodiment, moisture point Absciss layer 233 is attached to filter 231 or moisture agglomerator 232.Instead, moisture separating layer can be independent.
As shown in Figure 14, moisture separating layer 433 does not have link mechanism.In this configuration, moisture separating layer 433 is because of it It is self-possessed and stays on moisture agglomerator 232.However, operator easily can remove moisture separation from moisture agglomerator 232 Layer 433.Therefore, the replacement of moisture separating layer 433, the selection of recycling can be determined by operator.
5th embodiment
This embodiment is the variation in the form of first embodiment.In the above-described embodiment, in frame 51 outside is wound with material 62.Instead, material 62 can also be wound on the inside of frame 51.
As shown in figure 15, moisture agglomerator 532 has frame 51.Moisture agglomerator 532 can be used as in first embodiment Moisture agglomerator 32,232.Frame 51 has to radially inner side multiple ribs 55 outstanding.Frame 51 is configured in fibrous layer 61 Radial outside.Multiple supporting parts 56 are adjacent with the outer peripheral surface of fibrous layer 61.
Strip material 62 is limited in the imaginary tubular cavity formed by multiple ribs 55, is wound from inside.It is manufacturing In method, since strip material 62 end 63 configure in order into the internal cavities of frame 51.End 64 is more than end 63, and It is positioned at the position of more roll overlap.Strip material 62 is overlapped from radial outside to radially inner side.In the present embodiment, it is making Making strip material 62 in method is also to sew up.In the present embodiment, thick fibre can also be formed by the strip material 62 of overlapping winding Tie up layer 61.
Fibrous layer 61 is fixed to frame 51 by multiple joint portions 71.Fibrous layer 61 is fixed on first by joint portion 71a On a rib 55 and supporting part 56.Joint portion 71a fixes a layer, which is equivalent to a piece of of material 62.In other words, it engages The fixed outermost layer of portion 71a.Another viewpoint thinks that joint portion 71a was fixed is the layer of fuel stream most upstream.Moisture agglutination Device 532 has multiple joint portion 71a for fixed most junior one layer.These multiple joint portion 71a are circumferentially distributed.
Fibrous layer 61 is fixed on the last one rib 55 by joint portion 71b.The fixed multiple layers of joint portion 71b, it is multiple Layer is equivalent to plurality of materials 62.In other words, the fixed innermost layer of joint portion 71b.Another viewpoint thinks that joint portion 71b is solid It is scheduled on the layer of fuel stream most downstream.Moisture agglomerator 532 has multiple joint portion 71b for fixing the last layer.These are more A joint portion 71b is circumferentially distributed.
Fibrous layer 61 is fixed on several ribs 55 by joint portion 71c.The fixed multiple layers of joint portion 71c.By joint portion The 71c fixed number of plies, between the number of plies that 71a is fixed at joint portion and the number of plies that joint portion 71b is fixed.In showing for diagram In example, what joint portion 71b was fixed is two layers.In other words, what joint portion 71c was fixed is the layer among fuel stream.Moisture agglutination Device 532 has multiple joint portion 71c.These multiple joint portion 71c are distributed in the circumferential.Multiple joint portion 71c are also referred to as Intermediate engagement.Multiple joint portion 71c reinforce thick fiber layer 61 inside it.
Fibrous layer 61 is securely held to frame 51 in the radial outside of fibrous layer 61 by multiple joint portion 71a.It is multiple Joint portion 71a inhibits the extruding from the radial outside of fibrous layer 61 inwardly.Multiple joint portion 71b are inside in the diameter of fibrous layer 61 Fibrous layer 61 is securely held to frame 51 by side.Multiple joint portion 71b can inhibit the decomposition of the inner peripheral surface to fibrous layer 61, In other words it can inhibit the decomposition of the radially inner side to most downstream layer.
In the present embodiment, thick fiber layer 61 can also be formed by easy-to-handle strip material 62.In this embodiment party In formula, thick fiber layer 61 can also be securely held to frame 51 by multiple joint portions 71.Also, multiple joint portion 71a can Inhibit the extruding to fibrous layer 61 from fuel stream upstream side.Multiple joint portion 71b can inhibit fibrous layer 61 under fuel stream Swim the separation of side.
Other embodiments
The summary of the invention of this specification is not limited to exemplified embodiment.Summary of the invention includes the implementation gone out by example Mode and those skilled in the art are based on variant embodiment obtained from them.For example, summary of the invention is not limited to implement The combination of component and/or element disclosed in mode.Summary of the invention can be implemented by multiple combinations.Summary of the invention can also have There is the addition part that can be added in embodiments.Summary of the invention is also omitted comprising component in embodiment and/or element Embodiment.Summary of the invention also includes the displacement or group of a component and/or element between embodiment and other embodiments It closes.Disclosed technical scope is not limited to the record of embodiment.Disclosed multiple technical scopes, by scope of the claims Record determine, be also understood as including that record with claims has being had altered in equivalence and range.
In the above-described embodiment, the positive pressure system that low-lift pump downstream is arranged in fuel filtration 2 is illustrated.It takes and generation Ground, fuel filtration 2 can also be arranged in the negative pressure system of low-lift pump upstream as applicable object.In above-mentioned embodiment party In formula, filter 31 has honeycomb type element 42.Instead, the filter of the variforms such as chrysanthemum type, Scrawl can be used Material.
In the above-described embodiment, shell 6 can be divided into 22 two parts of lid 21 and cup body.Instead, shell Body 6 also can be configured to be divided into three parts.In addition it is also possible to be configured to, the component for just corresponding to lid can be separated.? In any structure, filter unit 7 is removably accommodated in shell 6.
In the above-described embodiment, moisture agglomerator includes the star frame 51 with radial rib 55.Instead, The frame of the various shapes such as cage modle, screw type can be used in moisture agglomerator.In addition, frame 51, to ensure and 61 liang of fibrous layer Reliable contacts between a end face can have the various surface shapes such as same heart shaped stepped surfaces, multiple protrusions, with substitutive patterns 52b, 53b.In addition, in the above-described embodiment, in the radial outer side of moisture agglomerator, exposing the outer peripheral surface of fibrous layer 61. Instead, netted, columnar protection component can be set in the more lateral of 61 outer peripheral surface of fibrous layer.In addition, in above-mentioned reality It applies in mode, melts rib 55 by layer of material 62 or trilaminate material.Instead, can be arranged on rib 55a, 55b Needle for pierceable material 62.Material 62 can be fixed by needle.
In the above-described embodiment, fibrous layer 61 is formed by the way that strip material 62 is wound a few.Instead, may be used The windings of strip material 62 be can be set as into a circle or more, to obtain the fibrous layer 61 of required thickness.
In the above-described embodiment, the resin material of frame 51 is formed, by melting to form joint portion 71.It replaces Ground can form joint portion 71 when the fiber for forming fibrous layer 61 is fusible by fused fiber layer 61.Also, Joint portion 71 can be formed by supplying the adhesive of flow regime between frame 51 and fibrous layer 61, making its solidification.I.e. Make in this case, can also provide and can bear fuel flowing, pressure difference is reliably fixed by multiple joint portions 71.
In the above-described embodiment, joint portion 71a is arranged between the first layer of strip material 62 and multiple ribs 55, and connects Conjunction portion 71b is arranged between the third layer of strip material 62 and rib 55b.Instead, initial engagement can also be only set Portion 71a and last joint portion 71b.In addition it is also possible to which a part in multiple joint portion 71a is only arranged.Also, multiple engagements A part of portion 71a, be also possible to it is identical with joint portion 71b, across multiple layers of joint portions.
In the above-described embodiment, close to provide by making two end faces of fibrous layer 61 be in contact with plane 52b, 53b Envelope.It instead, can also be Nian Jie with fibrous layer 61 to provide sealing by frame 51.For example, can be in frame 51 and fiber Adhesive is configured between layer 61.For example, can be arranged between frame 51 and fibrous layer 61, make to form the resin material of frame 51 Melting and re-solidified melt-coating part.
It in the above-described embodiment, is engaging support mechanism by the linking part that holding section 22a, 51a are provided.Instead, Link mechanism using screw thread can be provided.In addition, moisture agglomerator 32 and cup body 22 can also be with permanent attachments.For example, can The frame 51 of moisture agglomerator 32 and cup body 22 weld or Nian Jie.In the above-described embodiment, connecting piece 46 and cylindrical portion 52a are mentioned The linking part of confession, for the fluid connection with sealing performance, fluid connection is provided by the insertion relationship of cylinder and pipe.Take and Instead of, the containment members such as O-ring, lippacking also can be set.Alternatively, it is also possible to use threaded connection together.Also, It can also be provided by the axial pressing between end face and end face or the indentation between two components.

Claims (20)

1. a kind of moisture agglomerator comprising:
Frame (51) allows fuel to Radial Flow；
Fibrous layer (61) is tubular fibrous layer that is being installed on the frame and being aggregated moisture in the fuel, and it includes match Two circles or more are set to in the scroll of two layers of the radially overlapping or more of strip material (62)；And
The fibrous layer is fixed on the frame by multiple joint portions (71).
2. a kind of moisture agglomerator comprising:
Frame (51) allows fuel to Radial Flow；
Fibrous layer (61) is tubular fibrous layer that is being installed on the frame and being aggregated moisture in the fuel, and it includes match It is set to the scroll in the strip material (62) for being radially at least partly overlapped two layers or more；And
The fibrous layer is fixed on the frame by multiple joint portions (71)；Wherein,
Multiple joint portions, which have, runs through joint portion (71b), and the configuration of at least one middle layer will be separated from the frame , formed the last layer the material be joined on the frame by the middle layer.
3. moisture agglomerator according to claim 2, wherein the material is configured as two circles or more, thus described Radially be overlapped two layers or more.
4. moisture agglomerator according to claim 2 or 3, wherein multiple joint portions also have,
Contiguous engagement portion (71a) will be engaged in the material for radially forming first layer to institute from the frame State frame.
5. moisture agglomerator according to claim 4, wherein
The material has an end (63) and another end (64) of length direction；
The contiguous engagement portion (71a) will be in material engagement to the frame near one end (63)；
It is described to engage the material onto the frame near another described end (64) through joint portion (71b).
6. moisture agglomerator according to claim 1-5, wherein
The frame has multiple supporting parts (56), radially inner side or radial direction of the multiple supporting part configuration in the fibrous layer Outside, and it is adjacent with the inner peripheral surface of the fibrous layer or outer peripheral surface；
Multiple joint portions are separately positioned on multiple supporting parts.
7. moisture agglomerator according to claim 1-6, wherein multiple joint portions are in circumferential direction and axial direction Be separated from each other configuration.
8. moisture agglomerator according to claim 1-7, wherein
The frame has the plane (52b, 53b) opposite with two end faces of the fibrous layer,
The fibrous layer have only with two end faces of the plane contact.
9. a kind of fuel filtration comprising:
The described in any item moisture agglomerators of claim 1-8 (32,232,532)；
Filter (31,231), removes solid foreign materials from the fuel；And
Shell (6), restriction forms fuel channel, and stores the moisture agglomerator and the filter.
10. fuel filtration according to claim 9 further includes moisture separating layer (233,333,433), the water Divide separating layer configuration in the downstream of the moisture agglomerator, to prevent water droplet from passing through.
11. a kind of manufacturing method of moisture agglomerator,
The moisture agglomerator includes: frame (51), allows fuel to Radial Flow；And tubular fibrous layer, it is used to coagulate Collect the moisture in the fuel；
The manufacturing method of the moisture agglomerator includes:
Rolling step is that the strip material (62) in the inner or outer side of the frame, by that will be aggregated moisture in fuel is rolled up Around being at least partly to be overlapped, and form the scroll of the material two layers or more；And
Bonding process, will be in fibrous layer engagement to the frame；Wherein
The step of rolling step has, at least one middle layer is separated from the frame and configures the last layer；
The bonding process has, and the material for forming the last layer is passed through middle layer engagement to the frame On step.
12. the manufacturing method of moisture agglomerator according to claim 11, wherein the bonding process includes:
Contiguous engagement step, only by the most junior one layer engagement radially to the frame；And
Through engagement step, the last layer radially is engaged by the middle layer to the frame.
13. the manufacturing method of moisture agglomerator according to claim 11 or 12, further includes,
The process of the plane (52b, 53b) opposite with two end faces of the fibrous layer is formed on said frame；
In the rolling step, the material is same the length end face for extending it along its length and the plane contact When be wound.
14. a kind of moisture agglomerator is accommodated in form fuel together with the filter (31) for removing solid foreign materials from fuel In the shell (6) in channel, so that the moisture in fuel is aggregated；Wherein,
The moisture agglomerator includes shell linking part (51a), and the shell linking part is formed, even if from the shell Remove the connecting state that can also be kept in the state of the filter with the shell.
15. moisture agglomerator according to claim 14 comprising:
Frame (51) allows fuel to Radial Flow；And
Fibrous layer (61) is installed on the frame to be aggregated the moisture in fuel；Wherein
The shell linking part setting is on said frame.
16. moisture agglomerator according to claim 14 or 15 further includes fluid linking part (52a), fuel is provided The connection in channel, so that fuel flows into the moisture agglomerator；
The shell linking part is formed as, and is able to maintain in the state that the connection in the fluid linking part is released from With the connecting state of the shell.
17. the described in any item moisture agglomerators of 4-16 according to claim 1, wherein the shell has, and passes through link mechanism (23) lid and cup body separably linked；
The shell linking part can link with the cup body.
18. moisture agglomerator according to claim 17, wherein the shell linking part, can by in the company The different operation of the operation for separating the lid with the cup body is to release the connecting state with the cup body.
19. a kind of fuel filtration comprising:
The described in any item moisture agglomerators of claim 14-18, the shell and the filter.
20. fuel filtration according to claim 19, further includes, configuration the downstream of the moisture agglomerator with The moisture separating layer (233,333,433) for inhibiting water droplet to pass through.
CN201780041715.3A 2016-07-05 2017-06-09 Moisture collector, fuel filter device, and method for manufacturing moisture collector Active CN109416006B (en)

Applications Claiming Priority (5)

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JP2016-133710 2016-07-05
JP2016133711A JP2018003758A (en) 2016-07-05 2016-07-05 Water condenser and fuel filter device
JP2016-133711 2016-07-05
JP2016133710A JP6658361B2 (en) 2016-07-05 2016-07-05 Water coagulator, fuel filter device, and method of manufacturing water coagulator
PCT/JP2017/021413 WO2018008327A1 (en) 2016-07-05 2017-06-09 Water flocculator, fuel filter device, and method for manufacturing water flocculator

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