WO2016028186A1 - Filtre à huile - Google Patents

Filtre à huile Download PDF

Info

Publication number
WO2016028186A1
WO2016028186A1 PCT/RU2014/000624 RU2014000624W WO2016028186A1 WO 2016028186 A1 WO2016028186 A1 WO 2016028186A1 RU 2014000624 W RU2014000624 W RU 2014000624W WO 2016028186 A1 WO2016028186 A1 WO 2016028186A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
filter element
drain valve
valve
end cover
Prior art date
Application number
PCT/RU2014/000624
Other languages
English (en)
Russian (ru)
Inventor
Борис Константинович ЗУЕВ
Original Assignee
Борис Константинович ЗУЕВ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Борис Константинович ЗУЕВ filed Critical Борис Константинович ЗУЕВ
Priority to RU2017132908A priority Critical patent/RU2677317C1/ru
Priority to PCT/RU2014/000624 priority patent/WO2016028186A1/fr
Publication of WO2016028186A1 publication Critical patent/WO2016028186A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D27/00—Cartridge filters of the throw-away type
    • B01D27/08—Construction of the casing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/153—Anti-leakage or anti-return valves

Definitions

  • the invention relates to the field of engine manufacturing, namely the production of oil filters for internal combustion engines. State of the art
  • the oil filter according to US Pat. No. 3,669,144 is known, comprising a housing, a cover, a cover amplifier, anti-drainage and bypass valves, and a filter element including filter material located between the upper and lower end caps.
  • the lower end cover of the filter element is spring-loaded relative to the housing in the direction of pressing the filter element to the cover amplifier.
  • the disadvantage of this design is the high complexity of manufacturing, due to the fact that the top cover and the bypass valve are made separately.
  • anti-drainage and bypass valves are installed in series, which does not exclude the ingress of filtered dirt particles into the engine during cold start.
  • an oil filter according to international application WO 2014/104907, comprising a housing, a cover, an amplifier, an anti-drain valve, a spring-loaded filtration unit, a remote spacer with a seat for the bypass valve located in the inner cavity of the filtration unit.
  • the anti-drainage valve is made in the form of an elastic washer, for example, of oil and petrol-resistant rubber, and is spring loaded with a washer deformed during assembly, made for example of cured steel and weakened by holes.
  • the disadvantage of this design of the anti-drain valve is its separation into two parts, which complicates the production and assembly of the oil filter.
  • the central part of the anti-drain valve is fixed, which requires either a special part - a spacer washer, or a special protrusion on the upper end cover or spacer, which leads to a complication of the design and an increase in the cost of the filter.
  • the objective of the invention is to improve the manufacturability of the design and the exclusion of the deterioration of the characteristics of the anti-drain valve during continuous operation in hot oil. Disclosure of invention
  • the filter element includes filter material located between the upper and lower end caps, the lower end cover of the filter element being spring-loaded relative to the housing towards pressing the filter element against the cover amplifier
  • the anti-drain valve is made in the form of a disk with a central hole installed between the amplifier the cover and the upper end cover of the filter element and is elastically deformed, pressing one side against the amplifier of the cover, and the other side to the upper end cover the neck of the filter element, forming sealing surfaces.
  • the anti-drain valve is made in the form of a thin continuous metal disk.
  • This embodiment of the oil filter allows to reduce the cost of the anti-drain valve, and also to simplify the design of the filter, since the central part of the valve is not fixed, but only pressed against the protruding part of the upper end cover or spacer due to the elasticity of the metal from which the anti-drain valve is made.
  • the implementation of the anti-drain valve made of metal eliminates the deterioration of its characteristics during prolonged use, since the metal is not susceptible to aging when working in hot oil.
  • the elastic deformation of the anti-drainage valve during assembly should be 2-4.5 thicknesses of the anti-drainage valve, and the difference between the outer and inner diameters of the anti-drainage valve is 80-110 of its thickness.
  • the minimum strain “A” with the maximum ratio of the difference between the outer and inner diameters to the thickness allows to achieve a pressing force in the seal, sufficient for its tightness when the pressure drop is up to 0.003 MPa.
  • the maximum strain “A” with a minimum ratio of the difference between the outer and inner diameters to the thickness makes it possible to obtain an acceptable hydraulic resistance of about 0.01 MPa at an oil flow rate of 1000 liters per hour, as well as to eliminate the loss of stability of the anti-drainage valve, leading to a loss of tightness.
  • the cross-sectional area of the anti-drainage valve is provided due to the loss of its stability, i.e. radial corrugations appear, therefore, the valve opens sharply when a certain pressure drop across the anti-drainage valve is reached, after which the pressure drop on it even decreases.
  • the anti-drain valve is made of heat-treated polished cold-rolled steel tape, for example, 65G steel. This material has acceptable elastic and strength characteristics, and is also widely distributed and therefore has a relatively low cost.
  • an annular protrusion is made on the upper end cover of the filter element with radial ribs extending in the axial direction outside this annular protrusion, while the anti-drain valve is pressed by this other side to this annular protrusion, and the radial ribs pass through a central hole in the disk of the anti-drain valve (16 ), centering it.
  • the specified annular protrusion with radial ribs extending in the axial direction beyond the limits of this annular protrusion can be made in the form of a spacer installed in the upper end cover.
  • the sealing surface of the cover amplifier in contact with the anti-drain valve is preferably made with a roughness of not more than Ra 1.6, due to which the anti-drain valve fits snugly against the cover amplifier, which makes it possible to achieve an acceptable joint tightness without the use of sealing materials such as rubber or silicone.
  • the sealing surface on the annular protrusion of the upper end cap, in particular on the protrusion made in the form of a spacer is formed by a sharp edge, which is relatively easily deformed under the action of elastic deformation of the anti-drain valve, providing an acceptable tightness.
  • an inlet chamfer is made mainly at an angle of 45 °.
  • radial stiffeners (20) can be made, the height of which decreases from the center to the periphery. These ribs increase the rigidity of the upper end cap and, as a consequence, the entire filter element, and also serve as stops, limiting the maximum deformation of the anti-drainage valve, protecting it from plastic deformation.
  • FIG. 1 shows an embodiment of an oil filter with plastic upper and lower end caps of the filter element, isometric view
  • FIG. 2 shows a fragment of the upper end cap of the filter element, isometric view
  • FIG. 3 is an embodiment of an oil filter with metal upper and lower end caps of the filter element, isometric view.
  • a filter element 5 is located in a housing 1 with a cover 2 and a cover amplifier 3 having inlet openings 4 for the passage of unfiltered oil 5.
  • the filter element 5 consists of a filter material 6, an upper end cover 7 located on the inlet and outlet sides of the oil from the filter , and a lower end cover 8 located on the opposite side of the filter element 5.
  • a spring 9 is installed, which presses the filter element 5 to the amplifier 3 of the cover.
  • annular protrusions 10 and 11 are made, protruding outward from the filter element 5 at different heights and interconnected by ribs 12, forming channels 13 of the bypass valve 14.
  • the inner annular protrusion 10 has a large height, so that the filter element 5 abuts against the cover amplifier 3 by the upper part 15 (Fig. 1, 2) of the indicated inner annular protrusion 10.
  • the upper part 15 of the inner annular protrusion 10 is made pointed, so it is easily deformed in contact with the amplifier 3 of the lid (Fig. 1), ensuring a snug fit of the inner annular protrusion 10 to the surface of the amplifier 3 of the lid, thereby ensuring the tightness of their joint.
  • the height of the inner annular protrusion 10 relative to the outer surface of the upper end cover 7 is selected so that between the end face of the upper end cover 7 and the cover amplifier 3 there is a gap defining the passage section necessary for oil to pass from the inlet 4 of the cover amplifier 3 to the filter material 6.
  • the height of the outer annular protrusion 11 is less than the height of the inner annular protrusion 10 by an amount defining the gap between the cover amplifier 3 and the outer annular protrusion 11 necessary for the passage of oil to the bypass valve 14.
  • an anti-drain valve 16 which is a metal disk with a central hole 17 made of heat-treated cold-rolled steel tape, for example, from tape 65G-2P-PT-S GOST 21996-76 .
  • the anti-drainage valve 16 is a flat disk, but during assembly, it is elastically deformed between the upper end of the outer annular protrusion 11 and the cover amplifier 3 by a value of “A”.
  • the value of "A" elastic deformation of the anti-drainage valve 16 during assembly should be 2 to 4.5 thicknesses of the anti-drainage valve 16, and the difference between the outer and inner diameters of the anti-drainage valve 16 is 80 - PO of its thickness.
  • the minimum strain “A” at the maximum ratio of the difference between the outer and inner diameters of the disk to its thickness allows you to achieve a pressing force in the seal, sufficient for tightness when the pressure drop is up to 0.003 MPa and does not require additional fixing of the central part of the anti-drain valve 16.
  • the sealing surface 18 (Fig. 1) of the cover amplifier 3 in contact with the anti-drain valve 16 should be made with a roughness of not more than Ra 1,6 to ensure a tight fit of the anti-drain valve 16.
  • the contact surface of the anti-drain valve 16 and the upper end cover 7 is practically the contact line of the plane of the anti-drainage valve 16 with the edge 19 (Fig. 1, 2) of the outer annular protrusion 11, which is sharp and with minimal deviations from the shape of the circle to ensure tightness.
  • stiffening ribs 20 are made, the height of which decreases from the center to the periphery, also performing the function of a deformation limiter of the anti-drainage valve 16, excluding its plastic deformation.
  • the second end of the spring 21 has a smaller diameter and abuts against the protrusions 23 made on the posts 24 of the upper end cover 7.
  • the posts 24 are connected by a jumper 25.
  • the posts 24 function as a spacer between the upper and lower end caps 7 and 8 and absorb axial forces from pressure oil to these covers during engine operation.
  • Jumper 25 increases the rigidity of the racks 24.
  • the lower end cover 8 has a central protrusion 26, in which a step 27 is made for stopping the spring 9.
  • An annular element 28 is made on the upper end of the central protrusion 26, along which the posts 24 are centered. Between the posts 24, passages 29 are formed connecting the “clean” cavity 30 s the central hole in the amplifier 3 covers for the flow of clean oil into the engine. Between the outer surface of the filter element 5 and the housing 1 there is a “dirty” cavity 31 in which filtered oil-contaminating particles accumulate. Amplifier 3 covers, upper end cover 7 and anti-drain valve 16 form a distribution oil cavity 32, where unfiltered oil from the engine enters.
  • a spring 33 is installed in the center of the filter element 5, which prevents the deformation of the filter material 6 towards the “clean” cavity 30.
  • ribs 34 are made along which the upper end cover 7 (Fig. 1) is centered relative to the cover amplifier 3.
  • FIG. 3 shows an embodiment of an oil filter with metal upper and lower end caps 35, 36 having central protrusions 37, 38, which absorb the axial load on the filter element 5.
  • the protrusion 37 of the upper end cap 35 ends with support elements 39, between which are formed the windows for oil passage into the “clean” cavity 30.
  • a protrusion 40 is made, along which the supporting elements 39 of the upper end cover 35 are centered.
  • the bypass valve 14 with the ring 22 and the spring 21 is located on the spacer 41, which mounted in the center of the upper end cover 35 and completely repeats the shape of the Central part of the upper end cover 7 of the oil filter with plastic end caps 7, 8, shown in FIG. 1.
  • the central part of the anti-drainage valve is also not fixed.
  • the oil filter operates as follows.
  • Unfiltered oil from the engine through the holes 4 (Fig. 1, 3) in the cover amplifier 3 enters a single oil distribution cavity 32.
  • its entire flow, deforming the anti-drain valve 16, enters the “dirty” cavity 31, is filtered, passing through the filter material 6, it enters a clean cavity 30 and, flowing through the passages 29, enters the engine lubrication system.
  • the viscosity of the oil prevents its passage through the filter material 6, while the pressure in the "dirty” cavity 31 rises.
  • the oil acting through the channels 13 on the bypass valve 14, moves it, compressing the spring 21 and thereby opening the oil passage into the "clean” cavity 30, bypassing the "dirty” cavity 31 and then into the engine lubrication system.
  • the anti-drain valve 16 in the oil filter before being installed on the engine, is pressed against the sealing surfaces 18 and 19 with equal forces arising from the deformation of the anti-drain valve 16 during assembly.
  • the pressure drop across the anti-drainage valve 16 When the pressure drop across the anti-drainage valve 16 is approximately 0.01 MPa, it opens due to the loss of its stability, i.e. radial corrugations appear, so the opening of the anti-drainage valve 16 occurs abruptly, after which the pressure drop on it even decreases. After the engine is turned off, the anti-drain valve 16 is closed, and from the side of the filter element 5, the pressure of the column of oil located in the engine oil system above the oil filter (pressure of approximately 0.003 MPa) begins to act on it, which causes an additional force to press the anti-drain valve 16 to the sealing surface 18 of the amplifier 3 covers.
  • the force of pressing the anti-drain valve 16 to the surface 19 on the upper end cover 7 decreases, but due to the preliminary deformation of the anti-drain valve 16 during assembly, it remains guaranteed to be pressed to the surface 19 when the pressure drop is 0.003 MPa, preventing oil from being drained from the engine lubrication system into sump.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Filtration Of Liquid (AREA)

Abstract

L'invention concerne un filtre à huile comprenant : un corps (1); un couvercle (2); un renfort de couvercle (3); un élément filtrant (5); un clapet anti-purge (16); et un clapet de passage (14). L'élément filtrant (5) comprend un matériau filtrant (6) disposé entre des couvercles d'extrémité supérieur et inférieur (7, 8), et le couvercle d'extrémité inférieur (8) de l'élément filtrant est poussé par ressort par rapport au corps (1) du côté de la compression de l'élément filtrant (5) contre le renfort de couvercle (3). Le clapet anti-purge (16) se présente sous forme d'un disque métallique affleurant fin comportant une ouverture centrale (17), est disposé entre le renfort de couvercle (3) et le couvercle d'extrémité supérieur (7) de l'élément filtrant (5), et est déformé élastiquement en pressant d'un côté contre le renfort de couvercle (3) et, de l'autre côté, contre le couvercle d'extrémité supérieur (7) de l'élément filtrant (5), formant ainsi des surfaces d'étanchéité (18, 19). Ce type de filtre permet de réduire son coût de fabrication et d'exclure l'influence de l'huile chaude sur les caractéristiques du clapet anti-purge.
PCT/RU2014/000624 2014-08-20 2014-08-20 Filtre à huile WO2016028186A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2017132908A RU2677317C1 (ru) 2014-08-20 2014-08-20 Масляный фильтр
PCT/RU2014/000624 WO2016028186A1 (fr) 2014-08-20 2014-08-20 Filtre à huile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2014/000624 WO2016028186A1 (fr) 2014-08-20 2014-08-20 Filtre à huile

Publications (1)

Publication Number Publication Date
WO2016028186A1 true WO2016028186A1 (fr) 2016-02-25

Family

ID=55351026

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2014/000624 WO2016028186A1 (fr) 2014-08-20 2014-08-20 Filtre à huile

Country Status (2)

Country Link
RU (1) RU2677317C1 (fr)
WO (1) WO2016028186A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115163248A (zh) * 2022-07-28 2022-10-11 同济大学 一种发动机机油滤清器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3193101A (en) * 1956-11-15 1965-07-06 Wix Corp Fluid by-pass filter with antidrainback valve
RU2174037C1 (ru) * 2000-02-23 2001-09-27 Карбушев Виктор Федорович Масляный фильтр
WO2014104907A1 (fr) * 2012-12-24 2014-07-03 Общество С Ограниченной Ответственностью "Научно-Производственный Комплекс "Базальт" Filtre à huile

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU69851U1 (ru) * 2007-06-18 2008-01-10 Открытое акционерное общество "Акционерная компания по транспорту нефти "Транснефть" (ОАО "АК "Транснефть") Запорное устройство трубопроводной системы дренажа воды с плавающей крыши резервуара

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3193101A (en) * 1956-11-15 1965-07-06 Wix Corp Fluid by-pass filter with antidrainback valve
RU2174037C1 (ru) * 2000-02-23 2001-09-27 Карбушев Виктор Федорович Масляный фильтр
WO2014104907A1 (fr) * 2012-12-24 2014-07-03 Общество С Ограниченной Ответственностью "Научно-Производственный Комплекс "Базальт" Filtre à huile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115163248A (zh) * 2022-07-28 2022-10-11 同济大学 一种发动机机油滤清器
CN115163248B (zh) * 2022-07-28 2023-04-28 同济大学 一种发动机机油滤清器

Also Published As

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