CN103670849B - A kind of engine and fuel filter thereof - Google Patents
A kind of engine and fuel filter thereof Download PDFInfo
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- CN103670849B CN103670849B CN201310591329.5A CN201310591329A CN103670849B CN 103670849 B CN103670849 B CN 103670849B CN 201310591329 A CN201310591329 A CN 201310591329A CN 103670849 B CN103670849 B CN 103670849B
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Abstract
The invention discloses a kind of fuel filter for engine, this fuel filter includes oil-in and oil-out, the most at least include first order filter bowl, second level filter bowl and third level filter bowl, and the working connection independently connected with the inlet and outlet of filter bowls at different levels, wherein, oil-in is formed at the entrance point of working connection, and oil-out is formed at the port of export of described working connection；So, filter bowls at different levels connect with working connection independently of one another, filter bowls at different levels form independent fuel flow communication loop, when certain one-level or two-stage filter bowl are changed, do not interfere with the normal work of remaining filter bowl, it is achieved thereby that filter bowl changed in normal operation by fuel filter, it is to avoid impact on engine when filter bowl is changed, improve operating efficiency.The invention also discloses a kind of engine including above-mentioned fuel filter.
Description
Technical field
The present invention relates to engine accessory technical field, particularly to one for engine
Fuel filter.The invention still further relates to a kind of engine including above-mentioned fuel filter.
Background technology
The impurity generally existed in fuel oil and fuel tank use the dirt of precipitation for a long time, all can affect
The purity of fuel oil, if these impurity and dirt enter engine, can cause engine dependent part
The blocking of part, affects the normal work of engine, therefore, before fuel oil enters engine,
Typically require and filter endangering bigger impurity.Fuel filter is i.e. to filter the oxidation in fuel oil
The device of the solid sundries such as iron, dust, arranges fuel filter it can be avoided that solid impurity enters
Engine, prevents fuel system especially atomizer from blocking, reducing the abrasion of engine.
In order to ensure filter effect, the form of the most commonly used three grades of filter bowls.Traditional three grades
Filter bowl fuel filter includes oil-in, the inlet communication of oil-in and first order filter bowl, first
The outlet of level filter bowl and the inlet communication of second level filter bowl, the outlet of second level filter bowl and the third level
The inlet communication of filter bowl, the outlet of third level filter bowl connects with the oil-out of system, filter bowls at different levels
In be respectively provided with filter element；So, when fuel oil enters fuel filter by oil-in,
Pass sequentially through first order filter bowl, second level filter bowl and third level filter bowl, in filter bowls at different levels successively
After filtration, the fuel oil of cleaning flows out from oil-out, then enters engine.
But, it is arranged in series between the filter bowls at different levels of three grades of traditional fuel filters, when
When certain one-level filter bowl generation abrasion needs to change, it is necessary to make whole fuel filter quit work,
I.e. engine needs to shut down the replacing that just can complete certain one-level filter bowl, it is impossible to realize not shutting down replacing,
Affect the normal work of engine.
Therefore, how to realize three grades of fuel filters does not shuts down replacing filter bowl, it is to avoid fuel filter
Clear device affects the normal work of engine when changing filter bowl, just become those skilled in the art and need badly
The problem solved.
Summary of the invention
It is an object of the invention to provide a kind of fuel filter for engine, it is in normal work
Make i.e. can change under state filter bowl, it is to avoid impact on engine when filter bowl is changed, improve
Operating efficiency.It is a further object of the present invention to provide a kind of include above-mentioned fuel filter send out
Motivation.
For solving above-mentioned technical problem, the present invention provides a kind of fuel cleaning for engine
Device, including oil-in and oil-out；The most at least include first order filter bowl, second level filter bowl and
Three grades of filter bowls, and the working connection independently connected with the inlet and outlet of filter bowls at different levels；Institute
Stating oil-in and be formed at the entrance point of described working connection, described oil-out is formed at described working connection
The port of export.
Preferably, also including the first valve, the first import of described first order filter bowl is by described
First valve connects with described working connection or ends.
Preferably, described first valve includes the first in-line connected with described working connection,
And with the first outlet line of described first inlet communication；Described first outlet line is articulated with institute
State the first in-line, and can rotate relative to described first in-line around jointed shaft.
Preferably, also including the second valve, the second import of described second level filter bowl is by described
Second valve connects with described working connection or ends.
Preferably, described second valve includes the second in-line connected with described working connection,
And with the second outlet line of described second inlet communication；Described second outlet line is articulated with institute
State the second in-line, and can rotate relative to described second in-line around jointed shaft.
Preferably, also including the 3rd valve, the triple feed inlet of described third level filter bowl is by described
3rd valve connects with described working connection or ends.
Preferably, described 3rd valve includes the 3rd in-line connected with described working connection,
And the 3rd outlet line connected with described triple feed inlet；Described 3rd outlet line is articulated with institute
State the 3rd in-line, and can rotate relative to described 3rd in-line around jointed shaft.
Preferably, also include that filter block, filter bowls at different levels are respectively arranged in described filter block.
The present invention also provides for a kind of engine, including body and the combustion that is connected with described body oil circuit
Oil rectifier, described fuel filter is fuel filter as above.
Further, specially marine diesel.
Fuel filter provided by the present invention is used for engine, and this fuel filter includes oil-feed
Mouth and oil-out, the most at least include first order filter bowl, second level filter bowl and third level filter bowl, with
And the working connection independently connected with the inlet and outlet of filter bowls at different levels, wherein, the oil-feed degree of lip-rounding
Becoming the entrance point of working connection, oil-out is formed at the port of export of described working connection；Specifically,
First import of working connection and first order filter bowl and the first outlet, the fuel oil that oil-in flows into
Enter first order filter bowl through the first import, crossed and flowed out the first order by the first outlet after completing
Filter bowl, reenters working connection；Working connection exports with second import and second of second level filter bowl
Connection, the fuel oil that oil-in flows into enters second level filter bowl through the second import, has crossed after completing
Flow out second level filter bowl by the second outlet, reenter working connection；Working connection is filtered with the third level
The triple feed inlet of cup and the 3rd outlet, the fuel oil that oil-in flows into enters through triple feed inlet
Third level filter bowl, has crossed and has flowed out third level filter bowl by the 3rd outlet after completing, reentered master
Oil circuit；Filter bowls at different levels reenter the fuel oil of working connection after completing to filter, flowed out by oil-out
Fuel filter.
So, filter bowls at different levels connect with working connection independently of one another, and filter bowls at different levels are formed independent
When fuel flow communication loop, certain one-level or two-stage filter bowl are changed, just do not interfering with remaining filter bowl
Often work, it is achieved thereby that filter bowl changed in normal operation by fuel filter, it is to avoid
Impact on engine when filter bowl is changed, improves operating efficiency.
In a kind of detailed description of the invention, fuel filter provided by the present invention also includes first
Valve, the first import of first order filter bowl is connected with working connection by the first valve or is ended；
So, in normal operation, the first valve is opened, and the fuel oil in working connection passes through first
Import enters first order filter bowl, after filtration, comes back to working connection from the first outlet；And needing
During first order filter bowl to be pulled down, by the first valve closing, switching first order filter bowl and working connection it
Between connection, fuel oil directly enters second level filter bowl from working connection, thus avoids dismounting first
During level filter bowl, fuel oil thanks from first order filter bowl, improves the performance of fuel filter.
In another kind of detailed description of the invention, fuel filter provided by the present invention, it is first years old
Valve includes the first in-line connected with described working connection, and with described first inlet communication
The first outlet line；Described first outlet line is articulated with described first in-line, and energy
Enough rotate relative to described first in-line around jointed shaft.When first order filter bowl normally works,
First outlet line location is and the position of the first inlet communication, thus realizes the first order
Filter bowl and the connection of working connection；When first order filter bowl pulled down by needs, by the first outlet line
Rotation around the first in-line so that the first outlet line is staggered with the first import, thus
Cut off the connection between first order filter bowl and working connection.So, by the pipeline section type valve rotated
Realize the break-make of first order filter bowl and working connection, simple in construction, and be easy to control.
Accompanying drawing explanation
Fig. 1 is the stereogram of a kind of detailed description of the invention of fuel filter provided by the present invention；
Fig. 2 is that the structure that fuel filter shown in Fig. 1 is in when three grades of filter bowls the most normally work is shown
It is intended to；
Fig. 3 is that the structure that fuel filter shown in Fig. 1 is in when first order filter bowl quits work is shown
It is intended to；
Fig. 4 is that the structure that fuel filter shown in Fig. 1 is in when second level filter bowl quits work is shown
It is intended to；
Fig. 5 is that the structure that fuel filter shown in Fig. 1 is in when third level filter bowl quits work is shown
It is intended to.
Detailed description of the invention
The core of the present invention is to provide a kind of fuel filter for engine, and it is in normal work
Make i.e. can change under state filter bowl, it is to avoid impact on engine when filter bowl is changed, improve
Operating efficiency.Another core of the present invention be to provide a kind of include above-mentioned fuel filter send out
Motivation.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings
The present invention is described in further detail with detailed description of the invention.
Refer to Fig. 1 to Fig. 5, Fig. 1 is that fuel filter provided by the present invention is a kind of concrete
The stereogram of embodiment；It is the most normal that Fig. 2 is that fuel filter shown in Fig. 1 is in three grades of filter bowls
Structural representation during work；Fig. 3 is that fuel filter shown in Fig. 1 is in first order filter bowl and stops
Only structural representation during work；Fig. 4 is that fuel filter shown in Fig. 1 is in second level filter bowl
Structural representation when quitting work；Fig. 5 is that fuel filter shown in Fig. 1 is in third level filter
Structural representation when cup quits work.
Fuel filter provided by the present invention is used for engine, and this fuel filter includes oil-feed
Mouth 1 and oil-out 2, the most at least include first order filter bowl 31, second level filter bowl 32 and the third level
Filter bowl 33, and the working connection 4 independently connected with the inlet and outlet of filter bowls at different levels, its
In, oil-in 1 is formed at the entrance point of working connection 4, and oil-out 2 is formed at described working connection
The port of export of 4；Specifically, first import 311 and the of working connection 4 and first order filter bowl 31
One outlet 312 connection, the fuel oil that oil-in 1 flows into enters the first order through the first import 311
Filter bowl 31, has crossed after completing by the first outlet 312 outflow first order filter bowl 31, has reentered
Working connection 4；Working connection 4 exports 322 with the second import 321 and second of second level filter bowl 32
Connection, the fuel oil that oil-in 1 flows into enters second level filter bowl 32, mistake through the second import 321
By the second outlet 322 outflow second level filter bowls 32 after completing, reenter working connection 4；
Working connection 4 connects with triple feed inlet 331 and the 3rd outlet 332 of third level filter bowl 33, oil-feed
The fuel oil that mouth 1 flows into enters third level filter bowl 33 through triple feed inlet 331, has crossed after completing logical
Cross the 3rd outlet 332 outflow third level filter bowl 33, reenter working connection 4；Filter bowls at different levels are complete
Become the fuel oil reentering working connection 4 after filtering, flow out fuel filter by oil-out 2.
Above-mentioned filter bowl at different levels can be respectively arranged in filter block 6, and filter block 6 has integral structure,
So that filter bowls at different levels are integrally disposed.
So, filter bowls at different levels connect with working connection 4 independently of one another, and filter bowls at different levels form independence
Fuel flow communication loop, when certain one-level or two-stage filter bowl are changed, do not interfere with remaining filter bowl
Normal work, it is achieved thereby that filter bowl changed in normal operation by fuel filter, it is to avoid
Impact on engine when filter bowl is changed, improves operating efficiency.
In above-mentioned detailed description of the invention, fuel filter provided by the present invention also includes first
Valve 51, the first import 311 of first order filter bowl 31 is by the first valve 51 and working connection 4
Connection or cut-off；So, in normal operation, the first valve 51 is opened, working connection
Fuel oil in 4 enters first order filter bowl 31 by the first import 311, after filtration, goes out from first
Mouth 312 comes back to working connection 4；And when first order filter bowl 31 pulled down by needs, by the first valve
Door 51 close, switching first order filter bowl 31 and working connection 4 between connection, fuel oil directly from
Working connection 4 enters second level filter bowl 32, thus when avoiding dismounting first order filter bowl 31, combustion
Oil thanks from first order filter bowl 31, improves the performance of fuel filter.
Above-mentioned first valve 51 includes the first in-line connected with described working connection 4, and
The first outlet line connected with described first import 311；Described first outlet line is articulated with
First in-line, and can rotate relative to described first in-line around jointed shaft.?
When one-level filter bowl 31 normally works, the first outlet line location is and the first import 311
The position of connection, thus realize the connection of first order filter bowl 31 and working connection 4；When needs are pulled down
During first order filter bowl 31, by the first outlet line around the rotation of the first in-line so that
One outlet line is staggered with the first import 311, thus cuts off first order filter bowl 31 and working connection
Connection between 4.So, the pipeline section type valve by rotating realizes first order filter bowl 31 with main
The break-make of oil circuit 4, simple in construction, and be easy to control.
From theory, the first valve 51 is also not limited to said structure, the first valve 51
As long as being capable of the break-make of first order filter bowl 31 and working connection 4, such as, the first valve
51 can also be the valve mechanisms commonly used in the art such as flap valve.
In above-mentioned detailed description of the invention, fuel filter provided by the present invention also includes second
Valve 52, the second import 321 of second level filter bowl 32 is by the second valve 52 and working connection 4
Connection or cut-off；So, in normal operation, the second valve 52 is opened, working connection
Fuel oil in 4 enters second level filter bowl 32 by the second import 321, after filtration, goes out from second
Mouth 322 comes back to working connection 4；And when second level filter bowl 32 pulled down by needs, by the second valve
Door 52 is closed, the connection between switching second level filter bowl 32 and working connection 4, fuel oil directly from
Working connection 4 enters second level filter bowl 32, thus when avoiding dismounting second level filter bowl 32, combustion
Oil leaks from second level filter bowl 32, improves the performance of fuel filter.
Second valve 52 includes the second in-line connected with described working connection 4, and with institute
State the second outlet line of the second import 321 connection；Described second outlet line is articulated with second
In-line, and can rotate relative to described second in-line around jointed shaft.In the second level
When filter bowl 32 normally works, the second outlet line location is for connect with the second import 321
Position, thus realize the connection of second level filter bowl 32 and working connection 4；When needs pull down second
During level filter bowl 32, by the second outlet line around the rotation of the second in-line so that second goes out
Oil pipe line and the second import 321 are staggered, thus cut off second level filter bowl 32 and working connection 4
Between connection.So, the pipeline section type valve by rotating realizes second level filter bowl 32 and main oil
The break-make on road 4, simple in construction, and be easy to control.
From theory, the second valve 52 is also not limited to said structure, the second valve 52
As long as being capable of the break-make of second level filter bowl 32 and working connection 4, such as, the second valve
52 can also be the valve mechanisms commonly used in the art such as flap valve.
It is pointed out that fuel filter provided by the present invention is not limited to only three grades of filters
The situation of cup, from theory, it is also possible to the multistage filter bowl more than three grades is set, such as, sets
Put level Four filter bowl, Pyatyi filter bowl etc., the structure of newly-increased filter bowls at different levels and above-mentioned bowl construction phase
Seemingly, do not repeating.The progression specifically arranging filter bowl should require and the device space according to actual filtration
Determine.
In above-mentioned detailed description of the invention, fuel filter provided by the present invention also includes the 3rd
Valve 53, the triple feed inlet 331 of third level filter bowl 33 is by the 3rd valve 53 and working connection 4
Connection or cut-off；So, in normal operation, the 3rd valve 53 is opened, working connection
Fuel oil in 4 enters third level filter bowl 33 by triple feed inlet 331, after filtration, goes out from the 3rd
Mouth 332 comes back to working connection 4；And when third level filter bowl 33 pulled down by needs, by the 3rd valve
Door 53 close, switching third level filter bowl 33 and working connection 4 between connection, fuel oil directly from
Working connection 4 enters second level filter bowl 32, thus when avoiding dismounting third level filter bowl 33, combustion
Oil leaks from third level filter bowl 33, improves the performance of fuel filter.
3rd valve 53 includes the 3rd in-line connected with described working connection 4, and with institute
State the 3rd outlet line of triple feed inlet 331 connection；Described 3rd outlet line is articulated with above-mentioned
3rd in-line, and can rotate relative to described 3rd in-line around jointed shaft.?
When three grades of filter bowls 33 normally work, the 3rd outlet line location is and triple feed inlet 331
The position of connection, thus realize the connection of third level filter bowl 33 and working connection 4；When needs are pulled down
During third level filter bowl 33, by the 3rd outlet line around the rotation of the 3rd in-line so that
Three outlet line are staggered with triple feed inlet 331, thus cut off third level filter bowl 33 and working connection
Connection between 4.So, the pipeline section type valve by rotating realizes third level filter bowl 33 with main
The break-make of oil circuit 4, simple in construction, and be easy to control.
From theory, the 3rd valve 53 is also not limited to said structure, the 3rd valve 53
As long as being capable of the break-make of third level filter bowl 33 and working connection 4, such as, the 3rd valve
53 can also be the valve mechanisms commonly used in the art such as flap valve.
Preferably, above-mentioned first valve the 51, second valve 52 and the 3rd valve 53 exist simultaneously,
It is apparent that arbitrary or any two valve can also be separately provided.
It is pointed out that ordinal numbers such as " first, second, third " described in literary composition be in order to
Distinguish the different structure of same names, convenient only for describing, do not indicate that certain order, less
It is interpreted as any restriction.
Below as a example by above-mentioned detailed description of the invention, sketch fuel filter provided by the present invention
The course of work.
As in figure 2 it is shown, when first valve the 51, second valve 52 and the 3rd valve 53 are in
During open mode, the fuel oil in working connection 4 enters first order filter bowl 31 through the first import 311,
Through the first outlet 312 outflow first order filter bowl 31；Second level filter bowl is entered through the second import 321
32, through the second outlet 322 outflow second level filter bowl 32；The third level is entered through triple feed inlet 331
Filter bowl 33, through the 3rd outlet 332 outflow third level filter bowl 33；Filter bowls at different levels are in normal work
Make state.
As it is shown on figure 3, when the first valve 51 is closed, the second valve 52 and the 3rd valve 53
When opening, fuel oil flows through the first import 311, owing to this first import 311 is closed, fuel oil without
Method enters first order filter bowl 31, directly enters second level filter bowl 32 through the second import 321, through the
Two outlet 322 outflow second level filter bowls 32；Third level filter bowl 33 is entered through triple feed inlet 331,
Through the 3rd outlet 332 outflow third level filter bowl 33；Now, first order filter bowl 31 does not works,
Second level filter bowl 32 and third level filter bowl 33 are in normal operating conditions, and the replaceable first order is filtered
Cup 31.
As shown in Figure 4, when the second valve 52 is closed, the first valve 51 and the 3rd valve 53
When opening, fuel oil enters first order filter bowl 31 through the first import 311, through the first outlet 312 stream
Go out first order filter bowl 31；Through the second import 321, owing to this second import 321 is closed, combustion
Oil cannot be introduced into second level filter bowl 32, directly enters third level filter bowl 33 through triple feed inlet 331,
Through the 3rd outlet 332 outflow third level filter bowl 33；Now second level filter bowl 32 does not works, the
One-level filter bowl 31 and third level filter bowl 33 are in normal operating conditions, replaceable second level filter bowl
32。
As it is shown in figure 5, when the 3rd valve 53 is closed, the first valve 51 and the second valve 52
When opening, fuel oil enters first order filter bowl 31 through the first import 311, through the first outlet 312 stream
Go out filter bowl；Second level filter bowl 32 is entered, through the second outlet 322 outflow the through the second import 321
Two grades of filter bowls 32；Through triple feed inlet 331, owing to this triple feed inlet 331 is closed, fuel oil without
Method enters third level filter bowl 33, is flowed directly to oil-out 2；Now third level filter bowl 33 does not works,
First order filter bowl 31 and second level filter bowl 32 are in normal operating conditions, and the replaceable third level filters
Cup 33.
Except above-mentioned fuel filter, the present invention also provides for a kind of including above-mentioned fuel filter
Engine, other Each part of this engine refer to prior art, do not repeat them here.
Specifically, above-mentioned engine can be marine diesel or diesel engine for automobile etc..
Above a kind of engine provided by the present invention and fuel filter thereof are carried out in detail
Introduce.Principle and the embodiment of the present invention are set forth by specific case used herein,
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.Should
When pointing out, for those skilled in the art, without departing from the principle of the invention
On the premise of, it is also possible to the present invention is carried out some improvement and modification, and these improve and modify also
Fall in the protection domain of the claims in the present invention.
Claims (9)
1. for a fuel filter for engine, including oil-in (1) and oil-out (2)；
It is characterized in that, the most at least include first order filter bowl (31), second level filter bowl (32) and
Three grades of filter bowls (33), and the main oil independently connected with the inlet and outlet of filter bowls at different levels
Road (4)；Described oil-in (1) is formed at the entrance point of described working connection (4), described in go out
Hydraulic fluid port (2) is formed at the port of export of described working connection (4)；
Described fuel filter also includes the first valve (51), described first order filter bowl (31)
The first import (311) connected with described working connection (4) by described first valve (51)
Or cut-off.
Fuel filter for engine the most according to claim 1, its feature exists
In, described first valve (51) includes the first in-line connected with described working connection (4),
And the first outlet line connected with described first import (311)；Described first outlet line hinge
It is connected to described first in-line, and can turn relative to described first in-line around jointed shaft
Dynamic.
Fuel filter for engine the most according to claim 1, its feature exists
In, also include the second valve (52), second import (321) of described second level filter bowl (32)
Connect by described second valve (52) with described working connection (4) or end.
Fuel filter for engine the most according to claim 3, its feature exists
In, described second valve (52) includes the second in-line connected with described working connection (4),
And the second outlet line connected with described second import (321)；Described second outlet line hinge
It is connected to described second in-line, and can turn relative to described second in-line around jointed shaft
Dynamic.
Fuel filter for engine the most according to claim 1, its feature exists
In, also include the 3rd valve (53), the triple feed inlet (331) of described third level filter bowl (33)
Connect by described 3rd valve (53) with described working connection (4) or end.
Fuel filter for engine the most according to claim 5, its feature exists
In, described 3rd valve (53) includes the 3rd in-line connected with described working connection (4),
And the 3rd outlet line connected with described triple feed inlet (331)；Described 3rd outlet line hinge
It is connected to described 3rd in-line, and can turn relative to described 3rd in-line around jointed shaft
Dynamic.
7. according to the fuel filter for engine described in any one of claim 1 to 6,
It is characterized in that, also include filter block (6), filter bowls at different levels are respectively arranged in described filter block (6).
8. an engine, including body and the fuel filter that is connected with described body oil circuit,
It is characterized in that, described fuel filter is the fuel oil as described in any one of claim 1 to 7
Cleaner.
Engine the most according to claim 8, it is characterised in that be specially bavin peculiar to vessel
Oil machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591329.5A CN103670849B (en) | 2013-11-20 | 2013-11-20 | A kind of engine and fuel filter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591329.5A CN103670849B (en) | 2013-11-20 | 2013-11-20 | A kind of engine and fuel filter thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103670849A CN103670849A (en) | 2014-03-26 |
| CN103670849B true CN103670849B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310591329.5A Active CN103670849B (en) | 2013-11-20 | 2013-11-20 | A kind of engine and fuel filter thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757235B (en) * | 2018-06-07 | 2019-10-29 | 郑钧林 | A kind of coal mine excavator system with environmental-protective filter |
| CN113339169B (en) * | 2021-06-25 | 2022-05-13 | 一汽解放汽车有限公司 | Fuel oil filtering system and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202451329U (en) * | 2012-02-20 | 2012-09-26 | 金坛柴油机有限公司 | Three-level filtration device for diesel oil of single-cylinder diesel engine |
| CN102852682A (en) * | 2011-07-02 | 2013-01-02 | 武汉湛卢压铸有限公司 | Filter hand pump assembly |
| CN203614295U (en) * | 2013-11-20 | 2014-05-28 | 潍柴动力股份有限公司 | An engine and a fuel filter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008047468A1 (en) * | 2008-09-17 | 2010-04-15 | Mahle International Gmbh | Filter device for internal combustion engines |
-
2013
- 2013-11-20 CN CN201310591329.5A patent/CN103670849B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852682A (en) * | 2011-07-02 | 2013-01-02 | 武汉湛卢压铸有限公司 | Filter hand pump assembly |
| CN202451329U (en) * | 2012-02-20 | 2012-09-26 | 金坛柴油机有限公司 | Three-level filtration device for diesel oil of single-cylinder diesel engine |
| CN203614295U (en) * | 2013-11-20 | 2014-05-28 | 潍柴动力股份有限公司 | An engine and a fuel filter |
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| Publication number | Publication date |
|---|---|
| CN103670849A (en) | 2014-03-26 |
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