CN104806325B - Centrifugal fine filter and its engine - Google Patents
Centrifugal fine filter and its engine Download PDFInfo
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- CN104806325B CN104806325B CN201510176187.5A CN201510176187A CN104806325B CN 104806325 B CN104806325 B CN 104806325B CN 201510176187 A CN201510176187 A CN 201510176187A CN 104806325 B CN104806325 B CN 104806325B
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Abstract
The invention discloses a kind of centrifugal fine filter and its engine, including fine filter mounting seat and the centrifugation plate for being installed on fine filter mounting seat, centrifuge and be provided with the preceding surface of plate or/and rear surface for changing machine oil circulation passage and increasing the groove or/and projection of centrifugal force, fine filter of the present invention is ensureing there is larger centrifugation radius, larger separation centrifugal force is produced when thus rotating, while still there is preferable centrifugal filtration ability under relatively low speed conditions, pass through groove or/and the vane type centrifugal action of projection, further increase the centrifugal force of centrifugal filtration；Ensure that there is enough lubricating oil circulation areas under conditions of separating plate adapts to fine filter internal structure, and there is larger mandatory centrifugal force, fully impurity can be made to be separated due to centrifugal force, not only there is preferable centrifugal filtration effect in the slow-speed of revolution, it can also make radial dimension relatively small, save installing space.
Description
Technical field
The present invention relates to a kind of engine accessory part, more particularly to a kind of lubrication oil filtration equipment and its engine.
Background technology
Centrifugal fine filter is that engine is used to purify lubricating oil, ensures the visual plant of each friction pair normal operation.
Centrifugal fine filter is usually to be rotated by the rotation driving centrifugal fine filter of bent axle and utilize the centrifugal force of centrifugal flow guiding part
Purify lubricating oil.Centrifugal fine filter generally comprises housing and the centrifugal flow guiding part in housing, and lubricating oil enters housing
Leaned on after interior by centrifugal action along centrifugal flow guiding part mobile, the big solid particle of density positioned at the distalmost end of centrifugation diameter
Paracentral is clean lubricating oil.
The necessary parts that harden structure is the fine filter of prior art are centrifuged, due to for light plate structure, and lubricate oil stream
The space crossed has certain axial dimension, and for lubricating oil, it is obvious to centrifuge active induced effect caused by plate
Deficiency, cause more impurity do not have it is subject to centrifugal forces and with lubricating oil engaging friction pair, influence running gear
Use；Simultaneously as fine filter takes up space limited, and centrifuge plate and occupy certain space, although being fitted in structure
Should be in miscellaneous part in fine filter (such as oil intake assembly), but can still influence the circulation of lubricating oil；In fact, ensure fine filter
Intracavitary lubricating oil flow passage, then distance can be caused to centrifuge the lubricating oil of plate farther out and can not form larger centrifugal force.
Therefore, it is necessary to be improved to existing centrifugal fine filter, ensure that there is enough lubricating oil circulation areas simultaneously
And there is larger mandatory centrifugal force, fully impurity can be made to be separated due to centrifugal force, not only had in the slow-speed of revolution
There is preferable centrifugal filtration effect, can also make radial dimension relatively small, save installing space.
The content of the invention
In view of this, the present invention provides a kind of centrifugal fine filter, ensure with enough lubricating oil circulation areas and
With larger mandatory centrifugal force, fully impurity can be made to be separated due to centrifugal force, not only had in the slow-speed of revolution
Preferable centrifugal filtration effect, can also make radial dimension relatively small, save installing space.
The centrifugal fine filter of the present invention, including fine filter mounting seat and the centrifugation for being installed on fine filter mounting seat
Plate, described centrifuge are provided with for changing machine oil circulation passage and increasing the recessed of centrifugal force on the preceding surface of plate or/and rear surface
Groove or/and projection；Fine filter typically also includes being used for the closure for being collectively forming fine filter chamber with fine filter mounting seat, centrifugation point
Fine filter chamber is divided into preceding refined filtration chamber and rear refined filtration chamber from plate, the preceding refined filtration chamber of connection and rear refined filtration should be had by centrifuging on plate
The oil-through hole (or passage) of chamber, the preceding fine filter chamber connect with the oil road of crankcase cover, rear refined filtration chamber and entering on bent axle
Oilhole connects；It is coated at as illustrated, the fine filter mounting seat is coordinated by spline drived on the thin axle that crankshaft end is formed,
And screw thread coordinates the locking nut for being provided with and tightening fine filter mounting seat on thin axle, will not be repeated here；The present invention is in centrifugation point
Groove or/and projection are provided with from plate, plays a part of blade, the lubricating oil rotary speed of a larger increase fine filter intracavitary,
Centrifugal force can be substantially increased under conditions of equivalent diameter, simultaneously as the presence of groove or/and projection, it is possible to increase lubrication oil stream
The cross-sectional area of logical the passed through narrow part of passage, increases handling capacity；Change machine oil circulation passage to refer to more
Groove can be set to increase circulation area in narrow and small circulation passage part, can be set for more loose circulation passage part convex
Rise, to reach the equilibrium of inflow and outflow.
Further, the groove or/and projection are radially arranged for bar shaped and along plate is centrifuged, and are easily formed similar to leaf
The structure of piece simultaneously directly increases or adjusts circulation area.
Further, the centrifugation plate is rear recessed disk-like structure, and the groove or/and projection are arranged at disk-like structure
Side wall, the structure main purpose is to be beneficial to increase to centrifuge contact area between piece and lubricating oil, so as to increase centrifugation
Power, also, the structure also adapts to be installed into oily component (such as oil inlet pipe), makes fine filter overall structure more compact.
Further, disk-like structure is the frustum structure that top is plane, is bent on the conical surface of frustum structure side wall along cone
The annular outer construction of face circumferencial direction, the groove or/and projection, should to be formed at the groove that annular outer is constructed and caved in
Groove forms inside projection in the inwall that annular outer constructs, and has preferably installation using the structure of annular outer construction
With the adaptability of fine filter structure in itself, and use annular outer construction can reduce after refined filtration chamber circulation area, setting caves in
Groove can then increase circulation area, ensure the ample supply of lubricating oil, meanwhile, the side wall of groove is also formed similar to centrifugation leaf
The effect of wheel, increase centrifugal force；Meanwhile the inwall that the groove can construct in annular outer forms inside projection, in preceding refined filtration
Chamber also forms certain centrifugal action, dual centrifugation, reaches more clean purpose, is rear recessed due to centrifuging plate
Disk-like structure, preceding refined filtration chamber is larger, sets appropriate projection to be impacted to circulation area.
Further, generatrix direction insertion annular outer construction of the groove along the side wall of disk-like structure, and groove-bottom
Portion is located on the conical surface where the side wall of disk-like structure；That is groove insertion annular outer construction, is eliminated equivalent at groove position
Annular outer constructs, and forms original conical surface, and the structure ensure that the patency of lubricating oil circulation, and is beneficial to form larger centrifugation
Power.
Further, the annular outer construction seamlessly transits along the generatrix direction of the conical surface, and the groove is the mother along the conical surface
The bar shaped of line, seamlessly transits the circulation that structure is beneficial to lubricating oil, and the groove of strip structure is further beneficial to the centrifugation for forming blade
Effect；
Further, the groove or/and the width of projection are 2-8mm, avoid larger circulation area and influence separation effect
Fruit；General to use 2-4mm, guarantee has enough centrifugal force, meanwhile, cooperated with circulation area, reach optimal separation
Effect.
Further, the centrifugation plate radially outward edge forms the annular edge of a wing, and the annular edge of a wing is provided with oil-through hole, from
Heart separating plate is installed on fine filter mounting seat by the annular edge of a wing；As illustrated, on the annular edge of a wing relative to oil-through hole edge annular
The edge of a wing is disposed radially outwardly mounting hole, and closure is pressed together on refined filtration by the screw through above-mentioned mounting hole by plate is centrifuged
Device mounting seat, oil-through hole are set as needed.
Further, in addition to fine filter mounting seat be collectively forming the closure of fine filter inner chamber, on the closure with
The mode being axially movable is provided with oil inlet pipe, and the oil inlet pipe oil-feed end face pushes against crankcase cover simultaneously in a manner of relatively turnable
Connect, i.e. plane where oil-out on the oil inlet end and crankcase cover of oil inlet pipe, formed with the oil outlet on crankcase cover
Face seals, meanwhile, it can relatively rotate, realize the circulation of seal oil and can relatively rotate.
Further, the oil inlet pipe is T-shaped structure, is coated between closure and the T-shaped structure major part of oil inlet pipe
Oil inlet pipe is provided with compression spring, and the compression spring applies pretightning force in the T-shaped structure major part of oil inlet pipe and matches somebody with somebody major part rotation
Close and push against crankcase cover；Utilize the axial displaceability of oil inlet pipe and the pretightning force of compression spring, it is ensured that oil inlet pipe T-shaped knot
The major part of structure pushes against crankcase cover, ensures sealing；T-shaped structure is beneficial to installation compression spring and can ensure have with crankcase cover
There is larger contact area, preferably sealed beneficial to realizing；As illustrated, in order to adapt to the installation of compression spring, crankcase cover
The spring seat structure to concave is formed, beneficial to the compactedness for ensureing axial dimension, the spring seat structure of the indent and centrifugation
The rear recessed disk-like structure of plate is adapted, and ensure that the harmony of total.
Beneficial effects of the present invention：The centrifugal fine filter and its engine of the present invention, centrifuge the preceding surface of plate or/and
It is provided with for changing machine oil circulation passage and increasing the groove or/and projection of centrifugal force, can has in guarantee larger on surface afterwards
Centrifugation radius, thus rotate when produce larger separation centrifugal force, under relatively low speed conditions still have preferably from
While heart filter capacity, by groove or/and the vane type centrifugal action of projection, further increase the centrifugation of centrifugal filtration
Power；Ensure that there is enough lubricating oil circulation areas under conditions of separating plate adapts to fine filter internal structure, and with larger
Mandatory centrifugal force, fully impurity can be made to be separated due to centrifugal force, not only in the slow-speed of revolution have preferably from
It heart filter effect, can also make radial dimension relatively small, save installing space.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the axial view for centrifuging plate.
Embodiment
Fig. 1 is the sectional view of the present invention, and Fig. 2 is the axial view for centrifuging plate, as shown in the figure：The centrifugation of the present embodiment
Formula fine filter, including fine filter mounting seat 2 and the centrifugation plate 1 for being installed on fine filter mounting seat 2, the centrifugation plate 1
It is provided with preceding surface or/and rear surface for changing machine oil circulation passage and increasing the groove 11 or/and projection of centrifugal force；Refined filtration
Device typically also includes being used for the closure 3 for being collectively forming fine filter chamber with fine filter mounting seat 2, centrifuges plate 1 by fine filter
Chamber is divided into preceding refined filtration chamber 21 and rear refined filtration chamber 22, and the preceding refined filtration chamber 21 of connection and rear refined filtration chamber 22 should be had by centrifuging on plate 1
Oil-through hole 12 (or passage), the preceding fine filter chamber 21 connects with the oil road of crankcase cover 6, rear refined filtration chamber 22 and bent axle 9
On fuel feed hole connection；Formed as illustrated, the fine filter mounting seat 2 is coated at the end of bent axle 9 by spline drived cooperation
Thin axle on, and screw thread coordinates the locking nut for being provided with and tightening fine filter mounting seat on thin axle, will not be repeated here；The present invention
Groove 11 or/and projection are provided with plate 1 is centrifuged, plays a part of blade, the lubricating oil of a larger increase fine filter intracavitary
Rotary speed, centrifugal force can be substantially increased under conditions of equivalent diameter, simultaneously as the presence of groove 11 or/and projection, can
Increase the cross-sectional area of the passed through narrow part of passage of lubricating oil circulation, increase handling capacity；Change machine oil circulation passage
Refer to that more narrow and small circulation passage part can be set groove to increase circulation area, for more loose circulation passage
The settable projection in part, to reach the equilibrium of inflow and outflow.
In the present embodiment, the groove 11 or/and projection are radially arranged for bar shaped and along plate 1 is centrifuged, and are easily formed
Structure and directly increase or adjustment circulation area similar to blade.
In the present embodiment, the centrifugation plate 1 is rear recessed disk-like structure, and the groove 11 or/and projection are arranged at
The side wall of disk-like structure, the structure main purpose are the contacts area being beneficial between increase centrifugation piece and lubricating oil, so as to
Increase centrifugal force, also, the structure also adapts to be installed into oily component (such as oil inlet pipe), makes fine filter overall structure more tight
Gather.
In the present embodiment, disk-like structure is the frustum structure that top is plane, is bent on the conical surface of frustum structure side wall
Constructed along the annular outer of conical surface circumferencial direction, the groove 11 or/and projection are formed at annular outer and construct and cave in
Groove, the groove 11 form inside projection in the inwall that annular outer constructs, and the structure using annular outer construction has more
The adaptability of the installation and fine filter structure got well in itself, and use annular outer constructs the circulation area of refined filtration chamber after reducing,
Set the groove to cave in then to increase circulation area, ensure the ample supply of lubricating oil, meanwhile, the side wall of groove 11 also forms class
The effect of centrifugal impeller is similar to, increases centrifugal force；Meanwhile the inwall that can be constructed in annular outer of the groove formed it is inside convex
Rise, also form certain centrifugal action in preceding refined filtration chamber, dual centrifugation, reach more clean purpose, due to centrifugation point
It is rear recessed disk-like structure from plate, preceding refined filtration chamber is larger, sets appropriate projection to be impacted to circulation area；Centrifugation
Separating plate 1 forms taper type disk-like structure；The structure is beneficial to the axial dimension for reducing fine filter, meanwhile, can be in filtering shape at initial stage
Into perfectly radial centrifugal force, increase the separative efficiency between impurity and lubricating oil, beneficial in the conical surface separation process in later stage
Realize preferable purification separation.
In the present embodiment, generatrix direction insertion annular outer construction of the groove along the side wall of disk-like structure, and it is recessed
The bottom of groove 11 is located on the conical surface where the side wall of disk-like structure；I.e. groove 11 penetrates annular outer construction, equivalent in groove
Position eliminates annular outer construction, forms original conical surface, and the structure ensure that the patency of lubricating oil circulation, and beneficial to formation
Larger centrifugal force.
In the present embodiment, the annular outer construction seamlessly transits along the generatrix direction of the conical surface, and the groove 11 is along cone
The bar shaped of the bus in face, seamlessly transits the circulation that structure is beneficial to lubricating oil, and the groove 11 of strip structure is further beneficial to form leaf
The centrifugal action of piece；
In the present embodiment, further, the width of the groove or/and projection is 2-8mm, avoid larger circulation area and
Influence separating effect；General to use 2-4mm, the present embodiment uses 3mm, and guarantee has enough centrifugal force, meanwhile, with circulating face
Product cooperates, and reaches optimal separating effect.
In the present embodiment, the centrifugation radially outward edge of plate 1 forms the annular edge of a wing, and the annular edge of a wing was provided with oil
Hole 12, centrifuge plate 1 and fine filter mounting seat 2 is installed on by the annular edge of a wing；As illustrated, on the annular edge of a wing relative to excessively oily
Hole 12 is disposed radially outwardly mounting hole 13 along the annular edge of a wing, and closure 3 will be centrifuged by the screw through above-mentioned mounting hole 13
Separating plate 1 is pressed together on fine filter mounting seat 2, and the quantity of oil-through hole 12 is set as needed；As illustrated, the annular wing
Edge has extension section radially inward, and oil-through hole 12 is arranged at the extension section；Increase radial ruler beneficial in limited space
It is very little, so as to the radial dimension of relative increase separating plate, increase the centrifugation ability during slow-speed of revolution；As illustrated, the annular edge of a wing
Be pressed together on by sealing ring between the radial edges of fine filter mounting seat 2 and closure, not only with preferable bonding strength and
Ensure the intensity of separating plate in itself, also make structural integrity strong, simple and compact；The annular edge of a wing has extension radially inward
Section, the extension section guide impurity further to form perfectly radial centrifugal force in groove or after convexing to form larger centrifugal force, from
And ensureing impurity will not flow back.
In the present embodiment, in addition to it is collectively forming with fine filter mounting seat 2 closure 3 of fine filter inner chamber, the sealing
Oil inlet pipe 4 is provided with lid 3 in a manner of being axially movable, the oil-feed end face of oil inlet pipe 4 is pushed against in a manner of relatively turnable
Crankcase cover 6 simultaneously connects with the oil outlet on crankcase cover 6, i.e. the oil inlet end of oil inlet pipe 4 and the oil-out institute on crankcase cover 6
Plane, forming face sealing, meanwhile, can relatively rotate, realize the circulation of seal oil and can relatively rotate.
As illustrated, fine filter mounting seat 2 uses bell mouth shape, increase radial dimension beneficial in limited space, from
And the relative centrifugation ability for increasing the radial dimension for centrifuging plate 1, increasing during the slow-speed of revolution, make full use of fine filter to be located at
The characteristics of 9 end of bent axle, using simple pressing structure can realize centrifuge plate installation, it is easy to disassemble and change,
It is easy to fine filter to clean；Bell-mouth structure of air is more conducive to the curve trend centrifuged, impurity (filter residue) is flowed to edge
It is dynamic, avoid enter into bent axle fuel feed hole and cause secondary pollution.
In the present embodiment, the oil inlet pipe 4 is T-shaped structure, between closure 3 and the T-shaped structure major part of oil inlet pipe 4
It is coated at oil inlet pipe and is provided with compression spring 5, the compression spring 5 applies pretightning force in the T-shaped structure major part of oil inlet pipe 4 and makes this big
Head, which is rotatably assorted, pushes against crankcase cover 6；Utilize the axial displaceability of oil inlet pipe and the pretightning force of compression spring, it is ensured that enter
The major part of oil pipe T-shaped structure pushes against crankcase cover, ensures sealing；T-shaped structure be beneficial to installation compression spring 5 and can ensure with
Crankcase cover 6 has larger contact area, is preferably sealed beneficial to realizing；As illustrated, in order to adapt to the peace of compression spring 5
Dress, crankcase cover form the spring seat structure to concave, beneficial to the compactedness for ensureing axial dimension, the spring seat structure of the indent
Rear recessed disk-like structure with centrifuging plate is adapted, and ensure that the harmony of total.
In the present embodiment, the pipeline section that the oil inlet pipe 4 is located at the inner side of closure 3 is provided with and prevents what oil inlet pipe 4 from outwards deviating from
Pull pin 8.
As illustrated, the inwall of the fine filter mounting seat 2 forms radially inner boss 7, mounting screw is by closure 3
It is pressed on plate 1 is centrifuged on the boss 7, in use, also forming debris storage area between adjacent lands 7；I.e. boss had been both
It is installation position, or forms the boss of storage space, impurity enters the space under larger centrifugal action, due to above-mentioned convex
The limitation of platform 7, the movement of circumferencial direction will not occur, in geo-stationary and sedimentation state, so as to which two will not be carried out to oil product
Secondary pollution, the lateral cross section of boss are generally smooth line style, ensure that at the top of boss impurity will not be gathered, and are further ensured that point
From efficiency；The general lateral cross section for making boss is circular arc, easy to process and have preferable intensity, for impurity,
With more preferable shuffle effect；Certainly, boss is located at the installation end face of fine filter mounting seat 1, and the generally diameter of inner chamber is maximum
Place, and boss 7 is circumferentially formed thereon closing space in the range of its radial dimension；The closing space can be fine filter its
Fine filter mounting seat is formed after coordinating with miscellaneous part after his part installation or itself is formed；Rear boss axial direction is installed
Both ends form closing, avoid the rear impurity formation flowing that runs at high speed, ensure the cleaning of oil product；Meanwhile boss increase closure
Bonding strength, guarantee will not deform in itself, have preferable bonding strength, so as to ensure good sealing.
The invention also discloses a kind of engine, the engine installs the centrifugal fine filter of the present embodiment
In the present invention, front and back position refers to：Before coming oil direction is, and crankcase cover side；Inside refer to centrifuging
Disk forms after rear recessed structure the interior exterior orientation embodied.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (4)
- A kind of 1. centrifugal fine filter, it is characterised in that：Including fine filter mounting seat and the centrifugation for being installed on fine filter mounting seat Separating plate, it is described to centrifuge the groove being provided with the preceding surface of plate for changing machine oil circulation passage and increasing centrifugal force；It is described Groove is bar shaped and is radially arranged along plate is centrifuged；The centrifugation plate is rear recessed disk-like structure, and the groove is set In the side wall of disk-like structure；Disk-like structure is the frustum structure that top is plane, and edge is bent on the conical surface of frustum structure side wall The annular outer construction of conical surface circumferencial direction, the groove is to be formed at the groove that annular outer is constructed and caved in, and the groove exists The inwall of annular outer construction forms inside projection；Generatrix direction insertion annular outer construction of the groove along the side wall of disk-like structure, and bottom portion of groove is located at plate-like knot On the conical surface where the side wall of structure；The annular outer construction seamlessly transits along the generatrix direction of the conical surface, and the groove is along cone The bar shaped of the bus in face；The width of the groove is 2-8mm.
- 2. centrifugal fine filter according to claim 1, it is characterised in that：The centrifugation plate radially outward edge is formed The annular edge of a wing, the annular edge of a wing are provided with oil-through hole, centrifuge plate and are installed on fine filter mounting seat by the annular edge of a wing.
- 3. centrifugal fine filter according to claim 1, it is characterised in that：Also include being collectively forming with fine filter mounting seat The closure of fine filter inner chamber, oil inlet pipe, the oil inlet pipe oil inlet end are provided with a manner of being axially movable on the closure Face is pushed against crankcase cover in a manner of relatively turnable and connected with the oil outlet on crankcase cover.
- 4. centrifugal fine filter according to claim 3, it is characterised in that：The oil inlet pipe is T-shaped structure, positioned at sealing Oil inlet pipe is coated between lid and the T-shaped structure major part of oil inlet pipe and is provided with compression spring, and compression spring application pretightning force is in entering The T-shaped structure major part of oil pipe and make the major part be rotatably assorted push against crankcase cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176187.5A CN104806325B (en) | 2015-04-14 | 2015-04-14 | Centrifugal fine filter and its engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176187.5A CN104806325B (en) | 2015-04-14 | 2015-04-14 | Centrifugal fine filter and its engine |
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| Publication Number | Publication Date |
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| CN104806325A CN104806325A (en) | 2015-07-29 |
| CN104806325B true CN104806325B (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107120158A (en) * | 2017-06-06 | 2017-09-01 | 力帆实业(集团)股份有限公司 | Motorcycle engine classified filtering oil-filter asgine oil conditioner |
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| US4284504A (en) * | 1979-10-09 | 1981-08-18 | Hastings Manufacturing Company | Centrifugal spin-on filter or separator and method of making and assembling the same |
| GB2274413A (en) * | 1993-01-23 | 1994-07-27 | Glacier Metal Co Ltd | Centrifugal separator |
| CN102661184A (en) * | 2012-05-21 | 2012-09-12 | 隆鑫通用动力股份有限公司 | Forced centrifugal fine filter and engine of forced centrifugal fine filter |
| CN104454079A (en) * | 2014-11-21 | 2015-03-25 | 重庆隆鑫发动机有限公司 | Centrifugal leak-proof fine filter for engine oil and engine with centrifugal leak-proof fine filter for engine oil |
| CN204609974U (en) * | 2015-04-14 | 2015-09-02 | 重庆隆鑫发动机有限公司 | Secondary filter centrifugation plate and motor thereof |
| CN204984531U (en) * | 2015-04-14 | 2016-01-20 | 重庆隆鑫发动机有限公司 | Engine oil filter |
-
2015
- 2015-04-14 CN CN201510176187.5A patent/CN104806325B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284504A (en) * | 1979-10-09 | 1981-08-18 | Hastings Manufacturing Company | Centrifugal spin-on filter or separator and method of making and assembling the same |
| GB2274413A (en) * | 1993-01-23 | 1994-07-27 | Glacier Metal Co Ltd | Centrifugal separator |
| CN102661184A (en) * | 2012-05-21 | 2012-09-12 | 隆鑫通用动力股份有限公司 | Forced centrifugal fine filter and engine of forced centrifugal fine filter |
| CN104454079A (en) * | 2014-11-21 | 2015-03-25 | 重庆隆鑫发动机有限公司 | Centrifugal leak-proof fine filter for engine oil and engine with centrifugal leak-proof fine filter for engine oil |
| CN204609974U (en) * | 2015-04-14 | 2015-09-02 | 重庆隆鑫发动机有限公司 | Secondary filter centrifugation plate and motor thereof |
| CN204984531U (en) * | 2015-04-14 | 2016-01-20 | 重庆隆鑫发动机有限公司 | Engine oil filter |
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| Publication number | Publication date |
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| CN104806325A (en) | 2015-07-29 |
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