CN105705768B - High pressure fuel pump with filter - Google Patents
High pressure fuel pump with filter Download PDFInfo
- Publication number
- CN105705768B CN105705768B CN201580002605.7A CN201580002605A CN105705768B CN 105705768 B CN105705768 B CN 105705768B CN 201580002605 A CN201580002605 A CN 201580002605A CN 105705768 B CN105705768 B CN 105705768B
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- China
- Prior art keywords
- filter
- high pressure
- fuel pump
- pressure fuel
- filter device
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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
- 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/50—Filters arranged in or on fuel tanks
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- 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
- F02M59/102—Mechanical drive, e.g. tappets or cams
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- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0001—Fuel-injection apparatus with specially arranged lubricating system, e.g. by fuel oil
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- 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
- F02M2200/27—Fuel-injection apparatus with filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention relates to for fuel（22）Apply stressed high pressure fuel pump（10）, the high pressure fuel pump（10）Including：Fluid channel（46）, the fluid channel（46）For in the high pressure fuel pump（10）Middle transport fluid, particularly transports fuel（22）, the fluid channel（46）It is formed in the high pressure fuel pump（10）Shell（14）In；And filter device（50）, the filter device（50）It is arranged in the fluid channel（46）In, the filter device has the filtering surface for isolating particle present in the fluid（68）, the filtering surface（68）Filter surface area with bending（70）.
Description
Invention field
The present invention relates to for applying stressed high pressure fuel pump to fuel.
Background technology
In order to fuel（For example, gasoline or diesel oil）Apply high pressure, then such high-pressure pump can be used, thus to prevent from producing
Raw undesirable combustion product.For example, pressure in the range of 200 bars to 300 bars is applied to gasoline, and will be 2000
Bar diesel oil is applied to the pressure in the range of 3000 bars.
The high pressure fuel pump is usually designed as piston pump, wherein piston is by means of moving up and down come into pressure space
Fuel apply pressure, and wherein piston usually drives via installation eccentric on the driving shaft.
It is known that for example supplying fuel to pressure space, wherein inlet region via the entrance area of high pressure fuel pump
Domain is arranged in（Such as）Driving eccentric（driving eccentric）Eccentric space region in.Usually by fuel mistake
Filter is arranged in the flow path of the fuel for example from fuel tank to pressure space, and fuel is at it towards the route of pressure space
On flow through the fuel filter, so that thus, it is possible to filter out undesirable particle from fuel.For example, such fuel filter is set
In join domain, the entrance area of high pressure fuel pump is connected to fuel tank by the join domain.Further, it is known that can
In the case that larger installation space is provided, such fuel filter is fitted into special shell.
Filter device can also be arranged at the other positions in high pressure fuel pump, so as to flowing in high pressure fuel pump
In fluid（Such as the fuel being previously mentioned, and also have such as lubricating oil）It is filtered, and thus prevents high pressure fuel pump
Element be damaged due to the undesirable particle in corresponding fluids.
In view of bigger optimization of the internal combustion engine especially in terms of geometry, it is possible to provide construction space it is smaller and smaller, and
And it therefore must optimally use this construction space.
Invention content
Therefore, the object of the present invention is to propose a kind of high pressure fuel pump with filter device, can optimally make
With available construction space.
This target is realized by the high pressure fuel pump of the feature with the present invention.
The favourable improvement of the present invention is the other feature of the present invention.
One kind for applying stressed high pressure fuel pump to fuel there is fuel channel, the fuel channel to be flowed for transporting
Body, especially fuel, the fuel channel are formed in the shell of high pressure fuel pump.In addition, filter device is arranged in fluid channel
In, and the filter device has the filtering surface for isolating particle present in fluid.Filtering surface has bending
Filter surface area.
Previously known filter device, particularly, in conjunction with for being flowed in filtration high pressure petrolift fuel or other streams
Fuel filter used in the high pressure fuel pump of body usually has the tubular geometry with straight line substrate.Pass through this side
Formula, fabric surface can be restricted, and therefore in order to obtain larger strained volume, it is necessary to relatively large filter device is used,
Because effective filtering surface of strained volume and filter device is directly proportional.Effective filtering surface is determined by straight line substrate
's.
In order to optimally, using geometrically limited space rather than the straight line substrate, filter device, which has, now carries
Effective filtering surface of the filter surface area of bending, thus effective filtering surface expanded on the whole.Therefore, with straight
It is compared in the case of the filter device of effective filtering surface of line, the filtering that bigger can be conveyed by the filter device is held
Product.
The filter surface area of bending preferably uses domed design." spherical " indicates cuing open across said three-dimensional body herein
Face particularly has dome-shaped design.For example, the filter surface area of bending can have the shape corresponding to hemisphere, and
And therefore there can be spherical designs.
The filter surface area of bending advantageously has multiple impressions.
3 D deformation possessed by effective filtering surface（For example, in the form of impression）More, mutually flatter filter tables
For face, the effective filtering surface that can be used for filtering is bigger.Therefore, volume to be filtered preferably can further increase.
For example, effectively filtering surface can deform by this method so that be initially formed domed filtering surface and then make this mistake
It filters surface and is equipped with one or more impressions.
Preferably there is filter device filter mount, the filter mount to limit filter mount volume,
Middle filter surface area design overarches, and particularly enters in filter mount volume.
In order to save space, while expanding effective filtering surface, the filter surface area of bending is encircleed into filter mount
In volume, that is, enter in the inner space of filter device, and therefore only occupy and assemble filter mount under any circumstance
Required space.
By means of the filter surface area of arch, therefore the increase of effective filtering surface can be obtained, and in process not
The installation space of filter device must be expanded.
Filter mount advantageously has tubular geometry, and thus filter device can be preferably with particularly simple
Mode is packed into（Such as）Kong Zhong.
Filter mount advantageously has for the fastening area by filter device fastening in the fluid passage.In addition,
Filter mount preferably has the front area opposite with fastening area and at least one lateral region.Effectively filtering
Surface advantageously comprises the first filter surface area and the second filter surface area, before first filter surface area is arranged in
On portion region, second filter surface area is arranged in lateral region.
In this case, the filter surface area of arch can advantageously be at least a partially formed the first filter surface area
Or second filter surface area or two filter surface areas.
If filter mount designs by this method so that its can advantageously via fastening area fasten and therefore
It accommodates into the fluid channel of high pressure fuel pump, does not then need other tightening member or support ontology installs filter device
In systems.Therefore, it is possible to advantageously provide a kind of high pressure fuel pump with filter device, the filter device is integrated in height
In the shell of pressurized fuel pump, and make the user of high pressure fuel pump to high pressure preferably via connection method or via attachment device
Petrolift has complete degree of freedom.
It is moreover advantageous that if effective filtering surface in filter device is not arranged only in basal region（That is, cloth
It sets in the front area opposite with the fastening area of filter mount）, and it is arranged in filter mount lateral region
On, this is because in this manner it is possible to effective filtering surface is preferably configured with maximum size.
Filter device is preferably arranged in the ingate of high pressure fuel pump.Preferably, connection fluid channel is used for combustion
The inlet nozzle of expects pipe line is separately arranged in filter device in ingate.Therefore, inlet nozzle advantageously generates exemplary
Connection method, so that ingate is connected to external combustion hopper.For this purpose, preferably inlet nozzle is pushed into ingate.
Since inlet nozzle and filter device are preferably the element being formed separately from each other, the user of high pressure fuel pump is advantageously
There is certain degree of freedom in terms of the geometric configuration of inlet nozzle, and can be advantageously（Such as）By pre- on product line
Determine connection method assembly inlet nozzle.It is further advantageous that inlet nozzle does not serve as the tightening member of filter device or supports this
Body, and be therefore not necessarily filter device in inlet nozzle and construction space is provided.
Filter device is preferably arranged in ingate, is located at inlet nozzle downstream, is particularly contacted the inlet nozzle.
Filter device preferably only inserts into ingate, wherein the filter device passes through inlet nozzle to be mounted in ingate.By
This, it is advantageous to inlet nozzle merely has to be inserted on high pressure fuel pump from outside, without considering still has to that dress will be filtered
It sets at receiving to certain position.
If filter device is advantageously in direct contact with inlet nozzle, enter the inner space of high pressure fuel pump in fuel
Before, the fuel supplied advantageously is filtered in this contact area.
It preferably designs by this method the ingate of high pressure fuel pump so that the ingate is by the bias of high pressure fuel pump
Space is connected to the environment where burning line, it is contemplated that fuel is supplied to high pressure fuel pump via the burning line.Filter
The filter mount volume of installation part（That is, the internal capacity of filter mount）Advantageously arrange by this method so that its
Abut directly against the access road formed in inlet nozzle.
The opening of filter device towards adjacent inlet nozzle is preferably more than at this connects the straight of the access road in nozzle
Diameter.Therefore, the fuel supplied advantageously directly can introduce filter mount in the case of free of losses from access road
In volume, and therefore pass through effective filtering surface.
Advantageously, ingate uses the design conically widened at the downstream of filter device.Therefore, it is filled by filtering
Set it is more preferably through-flow be preferably so that can filter medium, for example, fuel.
Advantageously, there is filter mount the first ring and the second ring, first ring to be arranged on front side for tight
Gu the first filter surface area, second ring is formed in filter device to be fastened in ingate in fastening area, wherein
The diameter that second ring has is more than the diameter of the first ring, and wherein the first ring and the second ring pass through in the vertical of filter mount
It is connected to each other to the link plate just upwardly extended.
Second ring of filter mount preferably has antitorque protective device, advantageously prevents filter device in entrance
It is distorted in hole.
In addition, if ingate preferably has the protruding portion for interacting with the second ring, it is advantageously able to only
Filter device is arranged to be fixed in ingate by forming the second ring on filter mount.
Particularly, protruding portion is arranged in the end of the eccentric space of the direction high pressure fuel pump of ingate.Therefore, prominent
Portion advantageously prevents filter device from being slid into eccentric space from ingate, and at the same time provide space in ingate for
In the connector being inserted into ingate, for example, inlet nozzle.
Effective filtering surface is effectively formed by metal fabric or by plastic fabric.Alternatively, it is thus also possible to use mistake
Filter material material substitutes the fabric grid made of metal or plastics, have for fuel by smaller filter element be open.
In addition, effectively filtering surface can be formed partly by metal fabric and part by plastic fabric, this is depended on to corresponding
The requirement applied on filter surface area.For example, the filter surface area of arch can particularly be formed by metal, and in mistake
Filter surface area in the region of the lateral region of filter installation part can be formed by plastics, or vice versa.
Description of the drawings
Refer to the attached drawing illustrates the favourable improvement of the present invention more fully below, wherein：
Fig. 1 shows the longitudinal sectional drawing of the high pressure fuel pump of the filter device with the filter surface area equipped with arch；
Fig. 2 shows the sectional view of the ingate of the high pressure fuel pump from Fig. 1, wherein filter device is arranged with inlet nozzle
Together；
Fig. 3 shows the perspective view of the filter device from Fig. 2；
Fig. 4 shows the longitudinal sectional drawing of the filter device from Fig. 2；And
Fig. 5 shows the longitudinal sectional drawing of the alternative configuration of filter device.
Specific implementation mode
Fig. 1 shows high pressure fuel pump 10, and with cylinder cover 12, which is assembled in shell 14.Cylinder cover 12
Equipped with cavity 16, piston 18 is guided wherein, so as to by the up and down motion of the piston come to being arranged in pressure space
Fuel 22 in 20 applies pressure.
Piston 18 is driven by roller tappet 24, which is operably connected to via roller 26 in drive shaft 30
Eccentric 28.
Piston 18 is pre-tensioner on the direction of drive shaft 30 via spring 32, and the spring supporting is in the downside of cylinder cover 12 34
It goes up and is supported on the latch plate 36 for being fastened to roller tappet 24.
When drive shaft 30 rotates, the roller 26 rolled along the outer surface of drive shaft 30 38 moves up and down and is passed to piston 18
Pass the translational motion, the piston in itself by means of translational motion in pressure space 20 cumulative stress.
Fuel 22 is supplied to pressure space 20 via suction line 40, which is connected to it via interface channel 42
In the eccentric space 44 of drive shaft 30 is installed.
Fuel 22 introduces eccentric space 44 via fluid channel 46.For this purpose, shell 14 has ingate 48, the entrance
Eccentric space 44 is connected to the environment 49 of high pressure fuel pump 10 by hole.
In order to protect high pressure fuel pump 10 against damages, the fuel 22 supplied, which is so filtered that, to be filtered from fuel 22
Go out undesirable particle.
For this purpose, in an illustrated embodiment, filter device 50 is arranged in the fluid channel 46 of ingate 48.Also
Corresponding filter device 50 may be arranged at the different location in the shell 14 of high pressure fuel pump 10, for example, the company of being arranged in
It connects in road 46 or in suction line 40, both of which is likely to form fluid channel 46.When the filter device 50 is located in phase
When in corresponding position, additionally it is possible to other fluids are filtered by this filter device, for example, lubricating oil.
In an illustrated embodiment, it is from fuel tank（It is not shown）Fuel 22 is supplied, the entrance for being used as connecting element 54 sprays
Mouth 52 is inserted into ingate 48.In inlet nozzle 52, it is equipped with access road 56, fuel 22 was transmitted to via the access road
It filters in device 50.
The opening 58 of filter device 50 is more than the diameter 60 of access road 56 herein, and therefore allows fuel 52 lossless
It is supplied in the case of mistake in filter device 50.
For this reason, inlet nozzle 52, which is also arranged in, is directly adjacent to filter device 50 and with the filter device in ingate 58
Middle contact.However, filter device 50 and inlet nozzle 52 are two elements being separated from each other, and therefore inlet nozzle 52 still
In the case of being not secured to high pressure fuel pump 10, filter device 50 can be simply arranged and secured in ingate 48.
In the present embodiment, filter device 50 is simply plugged into ingate 58, and is fixed against by inlet nozzle 52 and is skidded off shell
Outside 14.Can be connecting element 54 as a result,（For example, inlet nozzle 52）Offer is integrally formed than filter device 40 and inlet nozzle 52
In the case of more degree of freedom.
Filter device 50 is arranged in the downstream of inlet nozzle 52, and therefore inlet nozzle 52 can be simply plugged into entrance
In hole 48, filter device 50 may be fastened at ingate.
In order to need not be provided other tightening member by filter device 50 be fixed in ingate 48 or use entrance
Nozzle 52 supports filter device 50 or the filter device is fixed on inlet nozzle, and ingate 48 has protruding portion 62,
Filter device 50 is mounted on the protruding portion.At the downstream of filter device 50, ingate 48 is conically widened, thus to permit
Perhaps fuel 22 is flowed through in a better way to eccentric space 44.
Fig. 2 shows the more detailed views with filter device 50 and the fluid channel 46 of inlet nozzle 52.
Filter device 50 has the filter mount 64 with filter mount volume 66 and effective filtering surface 68.
As seen from Fig. 2, in the present embodiment, effective filtering surface 68 designs arching and enters filter mount volume 66
In and therefore with arch filter surface area 70.
Therefore, the filtering surface 86 that can be used for filtering fuel 22 expands, and prevents take up other construction space, because of filtering
Surface 68 is by encircleing into fastening 50 required 66 expanded of filter mount volume of filter device under any circumstance.
According to available construction space, filter surface area 70 can be also bent in different directions, such as may be designed to overarch outward.
Fig. 3 and Fig. 4 shows the detailed view of filter device 50.
As clearly visible from Figure 3, filter mount 64 has fastening area 62 and the front opposite with fastening area 72
Region 74.Lateral region 76 is located between fastening area 72 and front area 74.Filtering material 78 is arranged in 74 He of front area
In 76 the two of lateral region.Therefore, the first filter surface area 80 is formed in the front area 74 of filter device 50, and the
Two filter surface areas 82 are arranged in the lateral region 76 of filter device 50.
In order to support filtering material 78, the filter mount 64 on front area 74 has the first ring 84, the first filtering
Surface region 80 is fastened to the first ring 84.In fastening area 72, filter mount 64 has the second ring 86, diameter 88 big
In the diameter of the first ring 84, and filter device 50 is firmly held in by the second ring in ingate 48.In order to stablize filtering
Device 50, setting make the link plate 90 that the first ring 84 and the second ring 86 are connected to each other.
Filtering material 78 is arranged in all areas between ring 84,86 and link plate 90, so as to thus to obtain to the greatest extent
Possible big effective filtering surface 68.
As that can be presented together by observation chart 3 and Fig. 2, the second ring 86 and the 62 phase interaction of protruding portion in ingate 48
With, and therefore filter device 50 is maintained in ingate 48 so that the filter device can not slide into eccentric space 44.
In order to enable pushing in inlet nozzle 52 to ingate 48 as far as possible, the protruding portion 62 of filter device 50 is kept
It is arranged in being located at the end 92 of neighbouring eccentric space 44 for ingate 48.
It can be presented together by observation chart 2 and Fig. 4, the mistake with arch in front area 74 of effective filtering surface 86
Filter surface region 70.In the configuration according to Fig. 4, the filter surface area has domed design, particularly has ball
Shape shape.
Alternatively, however, as shown in such as Fig. 5, the filter surface area 70 of arch can also have one or more
Impression 94 further expands effective filtering surface 68.
In addition, effectively filtering surface 68 can be designed with the impression 94 in lateral region 76, to expand filter table
Face 68.However, this is only preferred configuration.
Metal fabric 96 or plastic fabric 98 may be used as filtering material 78, but it is also possible that by both filtering materials
78 are used in filter device 50 together.
To sum up, filter device 50 provides the fluid flowed in filtration high pressure petrolift 10（Such as via burning line
100 fuel 22 supplied）Possibility, specifically, this filtering is carried out using effective filtering surface 68, effective filter table
Face 68 expands and prevents take up the construction space of bigger compared to conventional tubular filtering surface 68.
Reference numerals list
10 high pressure fuel pumps
12 cylinder covers
14 shells
16 cavitys
18 pistons
20 pressure spaces
22 fuel
24 roller tappets
26 rollers
28 eccentrics
30 drive shafts
32 springs
34 downsides
36 latch plates
38 outer surfaces
40 suction lines
42 interface channels
44 eccentric spaces
46 fluid channels
48 ingates
49 environment
50 filter devices
52 inlet nozzles
54 connecting elements
56 access roades
58 openings
60 diameters
64 filter mounts
66 filter mount volumes
68 filtering surfaces
The filter surface area of 70 arches
72 fastening areas
74 front areas
76 lateral regions
78 filtering materials
80 first filter surface areas
82 second filter surface areas
84 first rings
86 second rings
88 diameters
90 link plates
92 ends
94 impressions
96 metal fabrics
98 plastic fabrics
100 burning lines
Claims (15)
1. one kind is used for fuel（22）Apply stressed high pressure fuel pump（10）, the high pressure fuel pump（10）Including：
Fluid channel（46）, the fluid channel（46）For in the high pressure fuel pump（10）Middle transport fluid, wherein institute
State fluid channel（46）It is formed in the high pressure fuel pump（10）Shell（14）In；
Filter device（50）, the filter device（50）It is arranged in the fluid channel（46）In, and with for detaching
Go out the filtering surface of particle present in the fluid（68）,
Wherein, the filtering surface（68）Filter surface area with bending（70）,
Wherein, the filter device（50）With filter mount（64）, the filter mount（64）With for inciting somebody to action
The filter device（50）It is fastened on the fluid channel（46）In fastening area（72）And the fastening area（72）Relatively
Front area（74）And at least one lateral region（76）, wherein the filtering surface（68）With the first filtering surface
Region（80）With the second filter surface area（82）, first filter surface area（80）It is arranged in the front area（74）
On and second filter surface area（82）It is arranged in the lateral region（76）On, wherein the filter table of the bending
Face region（70）It is at least a partially formed first filter surface area（80）Second filter surface area and/or（82）.
2. high pressure fuel pump as described in claim 1（10）, which is characterized in that the fluid is fuel（22）.
3. high pressure fuel pump as claimed in claim 2（10）, which is characterized in that the filter surface area of the bending（70）Tool
There is spherical design.
4. high pressure fuel pump as claimed in claim 3（10）, which is characterized in that the filter surface area of the bending（70）Tool
There are spherical designs.
5. the high pressure fuel pump as described in any one of claim 1-4（10）, which is characterized in that the filtering surface of the bending
Region（70）With multiple impressions（94）.
6. the high pressure fuel pump as described in any one of claim 1-4（10）, which is characterized in that the filter mount
（64）Limit filter mount volume（66）, wherein the filter surface area（70）Design overarches.
7. high pressure fuel pump as claimed in claim 6（10）, which is characterized in that the filter surface area（70）Design arching
Enter the filter mount volume（66）In.
8. high pressure fuel pump as described in claim 1（10）, which is characterized in that the filter device（50）It is arranged in the height
Pressurized fuel pumps（10）Ingate（48）In, wherein it is used for the fluid channel（46）It is connected to burning line（100）Enter
Mouth nozzle（52）With the filter device（50）It is separately arranged in the ingate（48）In.
9. high pressure fuel pump as claimed in claim 8（10）, which is characterized in that the filter device（50）Enter described in being arranged in
Oral pore（48）In, it is located at the inlet nozzle（52）At downstream.
10. high pressure fuel pump as claimed in claim 9（10）, which is characterized in that the filter device（50）It is arranged to contact
The inlet nozzle（52）.
11. high pressure fuel pump as claimed in claim 10（10）, which is characterized in that the filter device（50）Enter described in insertion
Oral pore（48）In, wherein the filter device（50）By means of the inlet nozzle（52）Mounted on the ingate（48）In.
12. the high pressure fuel pump as described in any one of claim 8-11（10）, which is characterized in that the ingate（48）
The filter device（50）Downstream at there is the design conically widened.
13. the high pressure fuel pump as described in any one of claim 8-11（10）, which is characterized in that the filter mount
（64）With the first ring（84）With the second ring（86）, first ring（84）It is arranged in the front area（74）On for fastening
First filter surface area（80）And second ring（86）It is formed in the fastening area（72）In with by the mistake
Filter device（50）It is fastened on the ingate（48）In, diameter that second ring has（60）More than first ring（84）'s
Diameter, wherein first ring（84）With second ring（86）By in the filter mount（64）Longitudinal direction on
The link plate of extension（90）It is connected to each other.
14. high pressure fuel pump as claimed in claim 13（10）, which is characterized in that the ingate（48）With for institute
State the second ring（86）The protruding portion of interaction.
15. high pressure fuel pump as claimed in claim 14（10）, which is characterized in that the protruding portion is arranged in the ingate
（48）The direction high pressure fuel pump（10）Eccentric space（44）End.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014217625.5A DE102014217625B4 (en) | 2014-09-03 | 2014-09-03 | High-pressure fuel pump |
| DE102014217625.5 | 2014-09-03 | ||
| PCT/EP2015/068663 WO2016034386A1 (en) | 2014-09-03 | 2015-08-13 | High-pressure fuel pump having a filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105705768A CN105705768A (en) | 2016-06-22 |
| CN105705768B true CN105705768B (en) | 2018-10-19 |
Family
ID=53887109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580002605.7A Active CN105705768B (en) | 2014-09-03 | 2015-08-13 | High pressure fuel pump with filter |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR101907761B1 (en) |
| CN (1) | CN105705768B (en) |
| DE (1) | DE102014217625B4 (en) |
| WO (1) | WO2016034386A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101694007B1 (en) * | 2015-06-15 | 2017-01-09 | 현대자동차주식회사 | Fuel filter for vehicle |
| DE102016209726A1 (en) * | 2016-06-02 | 2017-12-07 | Robert Bosch Gmbh | High pressure pump for a fuel injection system |
| IT201600131332A1 (en) * | 2016-12-27 | 2018-06-27 | Bosch Gmbh Robert | PUMP UNIT FOR FUEL SUPPLY TO AN INTERNAL COMBUSTION ENGINE |
| CN107965404B (en) * | 2017-12-25 | 2020-04-24 | 潍柴动力股份有限公司 | Return oil way protective structure for fuel pump, fuel pump assembly and engine |
| IT201800011034A1 (en) * | 2018-12-12 | 2020-06-12 | Bosch Gmbh Robert | FILTER FOR A FUEL PUMP ASSEMBLY TO AN INTERNAL COMBUSTION ENGINE AND PUMP ASSEMBLY |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3353444B2 (en) | 1994-03-23 | 2002-12-03 | 株式会社デンソー | Fuel injection pump |
| JPH10141178A (en) * | 1996-11-12 | 1998-05-26 | Denso Corp | High-pressure fuel pump |
| JPH1190137A (en) * | 1997-09-16 | 1999-04-06 | Sansui Japan:Kk | Plastic filter medium |
| JP2000037606A (en) * | 1998-07-23 | 2000-02-08 | Fuji Filter Kogyo Kk | Fuel filter apparatus |
| JP2002048015A (en) * | 2000-07-31 | 2002-02-15 | Toyo Roki Mfg Co Ltd | Evaporating fuel processing canister |
| JP4379389B2 (en) * | 2005-07-08 | 2009-12-09 | 株式会社日立製作所 | High pressure fuel supply pump |
| DE102007058238A1 (en) | 2007-12-04 | 2009-06-10 | Robert Bosch Gmbh | Filter arrangement for e.g. common rail-type fuel injector, has filter body provided with finger shaped section with filter section and flange, where body is tightened by flange at piece in hydraulically sealed manner |
| JP2010156256A (en) * | 2008-12-26 | 2010-07-15 | Denso Corp | High pressure pump |
| DE102009001433A1 (en) | 2009-03-10 | 2010-09-16 | Robert Bosch Gmbh | Suction valve for a high-pressure fuel pump |
| DE102010041494A1 (en) * | 2010-09-28 | 2012-03-29 | Robert Bosch Gmbh | Metering unit for radial piston pump of common-rail fuel injection system of combustion engine, has filter element arranged in region of inlet holes at outer periphery of magnetic core, and groove formed around outer periphery of core |
| DE102010062455A1 (en) * | 2010-12-06 | 2012-06-06 | Robert Bosch Gmbh | Metering unit and filter element |
| DE202011109523U1 (en) | 2011-12-21 | 2013-03-25 | Reutter Gmbh | Filter for insertion into a filler neck of a container |
| JP5787778B2 (en) * | 2012-01-24 | 2015-09-30 | 株式会社日本自動車部品総合研究所 | High pressure pump |
-
2014
- 2014-09-03 DE DE102014217625.5A patent/DE102014217625B4/en active Active
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2015
- 2015-08-13 KR KR1020167017259A patent/KR101907761B1/en active IP Right Grant
- 2015-08-13 WO PCT/EP2015/068663 patent/WO2016034386A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105705768A (en) | 2016-06-22 |
| KR101907761B1 (en) | 2018-12-07 |
| KR20160090899A (en) | 2016-08-01 |
| DE102014217625A1 (en) | 2016-03-03 |
| WO2016034386A1 (en) | 2016-03-10 |
| DE102014217625B4 (en) | 2020-01-16 |
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