WO1999037386A1 - Liquid separator and filter element therefor - Google Patents

Liquid separator and filter element therefor

Info

Publication number
WO1999037386A1
WO1999037386A1 PCT/BE1999/000004 BE9900004W WO9937386A1 WO 1999037386 A1 WO1999037386 A1 WO 1999037386A1 BE 9900004 W BE9900004 W BE 9900004W WO 9937386 A1 WO9937386 A1 WO 9937386A1
Authority
WO
WIPO (PCT)
Prior art keywords
lid
liquid separator
filter element
vessel
separator according
Prior art date
Application number
PCT/BE1999/000004
Other languages
French (fr)
Inventor
Kurt Florent Elza Dewachter
Original Assignee
Atlas Copco Airpower
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 Atlas Copco Airpower filed Critical Atlas Copco Airpower
Priority to AU20420/99A priority Critical patent/AU2042099A/en
Publication of WO1999037386A1 publication Critical patent/WO1999037386A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B01D46/2414—End caps including additional functions or special forms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/003—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2271/02—Gaskets, sealings
    • B01D2271/022—Axial sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2271/02—Gaskets, sealings
    • B01D2271/027—Radial sealings

Definitions

  • the present invention concerns a liquid separator containing a housing which is provided with an inlet and an outlet and which consists of a vessel and a lid closing off the lid, and a filter element provided with an outwardly protruding collar with which it is fixed to the housing and whereby, between this filter element and the housing, are provided at least two seals.
  • liquid separators are used among others in liquid- lubricated rotating compressors, in particular screw-type compressors, in particular oil-lubricated compressors, i.e. in which the liquid is oil-
  • the collar of the filter element is a flat, round flange, whereas the seal is realized in the shape of two sealing rings which are provided in the lid and in an outwardly directed edge of the vessel respectively.
  • the filter element is sometimes omitted, which may have serious results for the machine or the compressor.
  • the present invention aims a liquid separator which excludes these and other disadvantages and whereby the possible absence of the filter element can thus be easily noticed.
  • the sealings will be pressed against the vessel, against the vessel and the lid respectively, as a result of the weight of the lid or the mechanical pulling of the lid, and thus provide for a sealing between the vessel and the lid.
  • the vessel has a strip on the inside and next to the edge with which it is situated against the lid, which is directed towards said lid in a slanting manner and inclined towards the outside in the direction of the lid, and the seal which has been provided in the groove in the collar fits up to this slanting strip.
  • the side of the lid directed towards the filter element is provided with a slanting strip, and the seal which fits up to the lid is situated against this slanting strip.
  • this slanting strip may either move away from the inside of the vessel or approach this inside.
  • the filter element On the side of the lid, the filter element may be provided with a preferably ring-shaped head with an integrated collar, whereby the grooves with the seals are provided in this head, for example near the outer edge of the collar and there where the collar fits up to the rest respectively .
  • the seals may be elastic rings, for example 0-rings.
  • the filter element can be surrounded by a shield, in which case this shield can be provided with an outward directed collar which is situated between a part, for example a shoulder of the vessel and the head of the filter element.
  • figure 1 schematically represents a section of a liquid separator according to the invention
  • figure 2 shows a section according to line II-II in figure 1, to a larger scale
  • figure 3 shows the detail which is indicated by F3 in figure 2 to a still larger scale
  • figure 4 represents a detail analogous to that in figure 3, but with reference to another embodiment of the invention
  • figure 5 represents a detail analogous to that in figures 3 and 4, but with reference to yet another embodiment of the invention.
  • the liquid separator according to the invention which is represented in figures 1 to 3 mainly consists of a housing 1 which is composed of a round vessel 2 and a lid 3, and a filter element 4 fixed in this vessel 2 against the lid 3.
  • the vessel 2 is provided with an inlet 5 for a mixture of compressed air and liquid, for example oil, whereas the lid 3 is provided with an outlet 6 in the middle for the air which has been purified from the liquid.
  • the lid 3 is secured to the vessel 2 by means of screws 7 which protrude through openings 8 in the lid 3 and which are screwed in openings 9 which are screwed in an end 10 or collar of the vessel 2 which is thickened towards the end .
  • the lid 3 is provided with a ring-shaped collar 11 on the inside, right next to the farthest edge on said thickened end 10, to position the lid 3 on the vessel 2.
  • the inside of the thickened end 10 has a ring-shaped part 12 all around.
  • This part 12 is preferably slanted, as in the given example, namely widening towards the lid 3 and thus directed slantingly towards the outside, at an angle a in relation to the longitudinal direction, i.e. in the direction of the longitudinal axis 13 of the housing 1 of the liquid separator.
  • This angle a can be situated between 1° and 89°, but is preferably situated between
  • a small strip 14 of this slanting part 12 has been mechanically processed.
  • the inside of the vessel 2 has a shoulder 15 projecting towards the inside.
  • the inside of the lid 3 is provided with a ring- shaped part 16 around the outlet 6, a small strip 17 of which has been mechanically processed.
  • This part 16, and thus also the strip 17 thereof, are preferably positioned slantingly in relation to the longitudinal axis 13, as in the given example .
  • This slanting part 16 is directed away from the collar 11 and thus towards the outlet 6 or towards the middle of the lid 3, moving away from the inside of the vessel 2, and it has a slope or angle ⁇ in relation to the longitudinal axis 13 which is situated between 1° and 89° and preferably between 45° and 89°, for example between 60° and 85° .
  • the filter element 4 mainly consists of a ring-shaped head 18 and a filter part which itself consists of filter material 19 which is surrounded by a housing 20 with two concentric, perforated walls 21 and 22. 2. At the end moved away from the lid 3 , the filter element 4 is sealed by a bottom 23.
  • This bottom 23 is provided with a bulge in which opens an exhaust pipe 24.
  • the head 18 is made of aluminium or high-grade plastic by means of die-casting, injection-moulding respectively, and it consists of a part 25 forming an inverse gutter and meshing over the end of the filter part 19-20, and an outwardly protruding collar 26.
  • the filter part 19-20 is cast to the part 25 by means of thermosetting material or another hardening jointing material.
  • this part 25 has an edge 27 against the collar 26, opposite the strip 17 of the lid 3, protruding towards this strip 17 and bevelled accordingly, provided with a ring-shaped groove 28 in which has been provided an elastic sealing ring 29, for example an O-ring.
  • the free edge of the collar 26 is bent away from the lid 3 and is situated opposite the strip 14 of the vessel 2.
  • the farthest edge of this collar 26 has been bevelled in accordance with the strip 14 and is provided with a ring- shaped groove 30 in which has been provided an elastic sealing ring 31, for example an O-ring.
  • the filter element 4, in particular the filter part 19- 20, is surrounded by a shield 32.
  • This shield 32 is provided with an outwardly directed collar with which it rests on the shoulder 15 of the vessel 2, and thus is situated between said shoulder 15 and the collar 26 of the head 18.
  • the shield 32 is first placed in the vessel 2 when it is detached from the lid 3, with its collar on the shoulder 15. Then, the filter element 4 is placed with the collar 26 of its head 18 against the strip 14 of the vessel 2.
  • This vessel 2 is then fixed to the lid 3 by means of the screws 7.
  • the sealing ring 29 is pressed against the strip 17 of the lid 3, and the sealing ring 31 against the strip 14 of the vessel 2, such that the head 18 provides for the sealing between the lid 3 and the vessel 2 .
  • the shoulder 15 forms a support for the shield 32 and a stop which, through the agency of the collar of the shield 32, prevents the farthest edge of the collar 26 from shifting off the strip 14.
  • Compressed air to be purified which is mixed with oil flows in the vessel 2 via the inlet 5 and subsequently through the filter element 4.
  • the purified air leaves the liquid separator via the outlet 6.
  • the pressure on the outside of the filter element 4 is larger than on the inside thereof, so that the head 18 is pressed with even more force against the lid 3 and the vessel 2.
  • the filter element 4 If, for any reason whatsoever, the filter element 4 is not present, there will be no sealing whatsoever between the vessel 2 and the lid 3, and during the testing or during the operation, there will be a clearly visible or audible leak between said vessel 2 and said lid 3.
  • the embodiment of the liquid separator as represented in figure 4 mainly differs from the above-described embodiment in that the head 18 of the filter element 4, the thickened end 10 of the vessel 2 and of the inside of the lid 3 have another shape.
  • the part 12 and thus the strip 14 of the end 10 form a larger angle with the longitudinal axis 13 or an axis parallel thereto, for example of about 45°, and the part 16 and thus the strip 17, towards the middle of the lid 3 towards the inside of the vessel 2, are inclined at an angle ⁇ in relation to the longitudinal axis 13 or an axis parallel thereto which is preferably smaller, for example between 30° and 60°.
  • the part 16 can even be parallel to the part 12, as represented in figure 4 , so that the angles c- and ⁇ are equal.
  • the filter element 4 is assembled in the same manner as described above. Also in this embodiment, the slopes of the parts 12 and 16 provide for a solid and leakage-proof sealing thanks to the sealing rings 29 and 31 in the grooves 28 and 30, especially when the filter element 4 is used when there is pressure in the vessel 2.
  • the embodiment according to figure 5 mainly differs from the embodiment according to figure 4 in that the head 18 of the filter element 4 and the lid 3 have yet another shape.
  • the part 16 of the lid 3 and the strip 17 against which the sealing ring 29 fits up are not directed slantingly in relation to the longitudinal axis 13 of the housing 1, but they are perpendicular to it. Further, the edge 27 of the collar 26 of the head 18 of the filter element 4 is not inclined, but also perpendicular to the longitudinal axis 13. 10
  • the filter element 4 can be clamped with its collar 26 between the lid 3 and the thickened end 10 of the vessel 2 as described above, whereby the sealing rings 29 and 31 provide for a good sealing .

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

Liquid separator containing a housing (1) which is provided with an inlet (5) and an outlet (6) and which consists of a vessel (2) and a lid (3) closing off the lid (2), and a filter element (4) provided with an outwardly protruding collar (26) with which it is fixed to the housing (1) and whereby, between this filter element (4) and the housing (1), are provided at least two seals (29-31), characterized in that the two seals (29-31) are provided in a groove (28-30) in the filter element (4), one of which has been provided in a groove (30) in the collar (26) and fitting up to the vessel (2), whereas the other fits up to the lid (3), so that the part of the filter element (4) containing the grooves (28-30) with the seals (29-31) provides for the seal between the vessel (2) and the lid (3).

Description

LIQUID SEPARATOR AND FILTER ELEMENT THEREFOR
The present invention concerns a liquid separator containing a housing which is provided with an inlet and an outlet and which consists of a vessel and a lid closing off the lid, and a filter element provided with an outwardly protruding collar with which it is fixed to the housing and whereby, between this filter element and the housing, are provided at least two seals.
Such liquid separators are used among others in liquid- lubricated rotating compressors, in particular screw-type compressors, in particular oil-lubricated compressors, i.e. in which the liquid is oil-
In such known liquid separators, the collar of the filter element is a flat, round flange, whereas the seal is realized in the shape of two sealing rings which are provided in the lid and in an outwardly directed edge of the vessel respectively.
However, the presence of the filter element is hard to establish visually.
Hence, during the assembly in the workshop, the filter element is sometimes omitted, which may have serious results for the machine or the compressor.
As long as no pressure drop is measured in the filter element, its absence will not even be noticed during the testing if the sealing rings have been provided, which may for example be the case if they have been pre- assembled in the lid or the vessel. As a result, there will be no leak during the testing which can be noticed.
The present invention aims a liquid separator which excludes these and other disadvantages and whereby the possible absence of the filter element can thus be easily noticed.
This aim is reached according to the present invention in that two seals have been provided in a groove in the filter element, one of which has been provided in a groove in the collar and fitting up to the vessel, whereas the other fits up to the lid, so that the part of the filter element containing the grooves with the seals provides for the seal between the vessel and the lid.
As the seals have been provided in grooves of the filter element, there will be no seal between the vessel and the lid when said filter element has not been provided, and there will be an audible and/or visible leak between the vessel and the lid when the housing is put under pressure during the testing. Usually, it is still possible then to insert a filter element.
If the filter element has been provided, the sealings will be pressed against the vessel, against the vessel and the lid respectively, as a result of the weight of the lid or the mechanical pulling of the lid, and thus provide for a sealing between the vessel and the lid.
Preferably, the vessel has a strip on the inside and next to the edge with which it is situated against the lid, which is directed towards said lid in a slanting manner and inclined towards the outside in the direction of the lid, and the seal which has been provided in the groove in the collar fits up to this slanting strip.
Thanks to the slanting strip, when the liquid separator is put under pressure and the liquid flows in the direction of the lid, as a result of the pressure difference over the filter element, the collar and thus the above-mentioned seal will be pressed more strongly against the slanting strip. The extra force on the seal in the collar or flange against the slanting strip which widens towards the outside is obtained thanks to a slight deformation of the collar towards the outside under the influence of the radial pressure. This requires appropriate dimensions and an appropriate choice of material for the collar.
Preferably, also the side of the lid directed towards the filter element is provided with a slanting strip, and the seal which fits up to the lid is situated against this slanting strip.
Towards the middle of the lid, this slanting strip may either move away from the inside of the vessel or approach this inside.
On the side of the lid, the filter element may be provided with a preferably ring-shaped head with an integrated collar, whereby the grooves with the seals are provided in this head, for example near the outer edge of the collar and there where the collar fits up to the rest respectively .
The seals may be elastic rings, for example 0-rings. The filter element can be surrounded by a shield, in which case this shield can be provided with an outward directed collar which is situated between a part, for example a shoulder of the vessel and the head of the filter element.
In order to better explain the characteristics of the invention, the following preferred embodiment of a liquid separator and of a filter element therefore is described as an example only and without being limitative in any way, with reference to the accompanying drawings, in which:
figure 1 schematically represents a section of a liquid separator according to the invention; figure 2 shows a section according to line II-II in figure 1, to a larger scale; figure 3 shows the detail which is indicated by F3 in figure 2 to a still larger scale; figure 4 represents a detail analogous to that in figure 3, but with reference to another embodiment of the invention,; figure 5 represents a detail analogous to that in figures 3 and 4, but with reference to yet another embodiment of the invention.
The liquid separator according to the invention which is represented in figures 1 to 3 mainly consists of a housing 1 which is composed of a round vessel 2 and a lid 3, and a filter element 4 fixed in this vessel 2 against the lid 3.
The vessel 2 is provided with an inlet 5 for a mixture of compressed air and liquid, for example oil, whereas the lid 3 is provided with an outlet 6 in the middle for the air which has been purified from the liquid.
The lid 3 is secured to the vessel 2 by means of screws 7 which protrude through openings 8 in the lid 3 and which are screwed in openings 9 which are screwed in an end 10 or collar of the vessel 2 which is thickened towards the end .
The lid 3 is provided with a ring-shaped collar 11 on the inside, right next to the farthest edge on said thickened end 10, to position the lid 3 on the vessel 2.
Next to the farthest edge and this collar 11, the inside of the thickened end 10 has a ring-shaped part 12 all around. This part 12 is preferably slanted, as in the given example, namely widening towards the lid 3 and thus directed slantingly towards the outside, at an angle a in relation to the longitudinal direction, i.e. in the direction of the longitudinal axis 13 of the housing 1 of the liquid separator. This angle a can be situated between 1° and 89°, but is preferably situated between
10° and 80° and is for example almost equal to 45° or, as is represented, about 30°.
A small strip 14 of this slanting part 12 has been mechanically processed.
Right next to said strip 14 on the side turned away from the lid 3, the inside of the vessel 2 has a shoulder 15 projecting towards the inside.
Also the inside of the lid 3 is provided with a ring- shaped part 16 around the outlet 6, a small strip 17 of which has been mechanically processed. This part 16, and thus also the strip 17 thereof, are preferably positioned slantingly in relation to the longitudinal axis 13, as in the given example .
This slanting part 16 is directed away from the collar 11 and thus towards the outlet 6 or towards the middle of the lid 3, moving away from the inside of the vessel 2, and it has a slope or angle β in relation to the longitudinal axis 13 which is situated between 1° and 89° and preferably between 45° and 89°, for example between 60° and 85° .
The filter element 4 mainly consists of a ring-shaped head 18 and a filter part which itself consists of filter material 19 which is surrounded by a housing 20 with two concentric, perforated walls 21 and 22. 2. At the end moved away from the lid 3 , the filter element 4 is sealed by a bottom 23.
This bottom 23 is provided with a bulge in which opens an exhaust pipe 24.
The head 18 is made of aluminium or high-grade plastic by means of die-casting, injection-moulding respectively, and it consists of a part 25 forming an inverse gutter and meshing over the end of the filter part 19-20, and an outwardly protruding collar 26.
The filter part 19-20 is cast to the part 25 by means of thermosetting material or another hardening jointing material.
As is represented in detail in figure 3, this part 25 has an edge 27 against the collar 26, opposite the strip 17 of the lid 3, protruding towards this strip 17 and bevelled accordingly, provided with a ring-shaped groove 28 in which has been provided an elastic sealing ring 29, for example an O-ring.
The free edge of the collar 26 is bent away from the lid 3 and is situated opposite the strip 14 of the vessel 2. The farthest edge of this collar 26 has been bevelled in accordance with the strip 14 and is provided with a ring- shaped groove 30 in which has been provided an elastic sealing ring 31, for example an O-ring.
The filter element 4, in particular the filter part 19- 20, is surrounded by a shield 32. This shield 32 is provided with an outwardly directed collar with which it rests on the shoulder 15 of the vessel 2, and thus is situated between said shoulder 15 and the collar 26 of the head 18.
In order to mount the filter element 4 in the liquid separator, the shield 32 is first placed in the vessel 2 when it is detached from the lid 3, with its collar on the shoulder 15. Then, the filter element 4 is placed with the collar 26 of its head 18 against the strip 14 of the vessel 2.
This vessel 2 is then fixed to the lid 3 by means of the screws 7.
As a result, the sealing ring 29 is pressed against the strip 17 of the lid 3, and the sealing ring 31 against the strip 14 of the vessel 2, such that the head 18 provides for the sealing between the lid 3 and the vessel 2 .
The shoulder 15 forms a support for the shield 32 and a stop which, through the agency of the collar of the shield 32, prevents the farthest edge of the collar 26 from shifting off the strip 14.
Compressed air to be purified which is mixed with oil flows in the vessel 2 via the inlet 5 and subsequently through the filter element 4.
The purified air leaves the liquid separator via the outlet 6.
As a result of the pressure drop in the filter element 4, the pressure on the outside of the filter element 4 is larger than on the inside thereof, so that the head 18 is pressed with even more force against the lid 3 and the vessel 2.
If, for any reason whatsoever, the filter element 4 is not present, there will be no sealing whatsoever between the vessel 2 and the lid 3, and during the testing or during the operation, there will be a clearly visible or audible leak between said vessel 2 and said lid 3.
The embodiment of the liquid separator as represented in figure 4 mainly differs from the above-described embodiment in that the head 18 of the filter element 4, the thickened end 10 of the vessel 2 and of the inside of the lid 3 have another shape.
In particular, the part 12 and thus the strip 14 of the end 10 form a larger angle with the longitudinal axis 13 or an axis parallel thereto, for example of about 45°, and the part 16 and thus the strip 17, towards the middle of the lid 3 towards the inside of the vessel 2, are inclined at an angle β in relation to the longitudinal axis 13 or an axis parallel thereto which is preferably smaller, for example between 30° and 60°.
The part 16 can even be parallel to the part 12, as represented in figure 4 , so that the angles c- and β are equal.
Moreover, there is no collar 11, so that the presence of the head 18 can be visually established through the gap 33 between the end 10 and the lid 3.
The filter element 4 is assembled in the same manner as described above. Also in this embodiment, the slopes of the parts 12 and 16 provide for a solid and leakage-proof sealing thanks to the sealing rings 29 and 31 in the grooves 28 and 30, especially when the filter element 4 is used when there is pressure in the vessel 2.
The embodiment according to figure 5 mainly differs from the embodiment according to figure 4 in that the head 18 of the filter element 4 and the lid 3 have yet another shape.
In particular, the part 16 of the lid 3 and the strip 17 against which the sealing ring 29 fits up are not directed slantingly in relation to the longitudinal axis 13 of the housing 1, but they are perpendicular to it. Further, the edge 27 of the collar 26 of the head 18 of the filter element 4 is not inclined, but also perpendicular to the longitudinal axis 13. 10
Only the part 12 of the thickened end 10 of the vessel 2 and the edge of the collar 26 situated against it are inclined, for example at about 45°, in relation to the longitudinal axis 13, as in the embodiment according to figure 4.
In this embodiment also, the filter element 4 can be clamped with its collar 26 between the lid 3 and the thickened end 10 of the vessel 2 as described above, whereby the sealing rings 29 and 31 provide for a good sealing .
The invention is by no means restricted to the embodiments described above and represented in the accompanying drawings; on the contrary, such a liquid separator and its filter element can be made in all sorts of variants while still remaining within the scope of the invention.

Claims

11Claims .
1. Liquid separator containing a housing (1) which is provided with an inlet (5) and an outlet (6) and which consists of a vessel (2) and a lid (3) closing off the lid (2) , and a filter element (4) provided with an outwardly protruding collar (26) with which it is fixed to the housing (1) and whereby, between this filter element (4) and the housing (1), are provided at least two seals (29-31) , characterized in that the two seals (29-31) are provided in a groove (28-30) in the filter element (4) , one of which has been provided in a groove (30) in the collar (26) and fitting up to the vessel (2) , whereas the other fits up to the lid (3) , so that the part of the filter element (4) containing the grooves
(28-30) with the seals (29-31) provides for the seal between the vessel (2) and the lid (3) .
2. Liquid separator according to claim 1, characterized in that the vessel (2) has a strip (14) on the inside and next to the edge with which it is situated against the lid (3), which is directed towards said lid (3) in a slanting manner and inclined towards the outside in the direction of the lid (3), and in that the seal (31) which has been provided in the groove (30) in the collar (26) fits up to this slanting strip (14) .
3. Liquid separator according to claim 2, characterized in that the slanting strip (14) forms an angle (a) between 1┬░ and 89┬░ in relation to the longitudinal axis 12
4. Liquid separator according to claim 3, characterized in that the slanting strip (14) forms an angle (a) between 10┬░ and 80┬░ in relation to the longitudinal axis
(13) of the housing (1) .
5. Liquid separator according to claim 1 to 4 , characterized in that the side of the lid (3) directed towards the filter element (4) is provided with a slanting strip (17) , and in that the sealing (29) which fits up against the lid (3) fits up against this slanting strip (17) .
6. Liquid separator according to claim 5, characterized in that the strip (17) forms an angle (╬▓) of 1┬░ to 89┬░ in relation to the longitudinal axis (13) of the housing (1) -
7. Liquid separator according to claim 5 or 6, characterized in that the slanting strip (17) moves away from the inside of the vessel (2) towards the middle of the lid (3) .
8. Liquid separator according to claims 6 and 7, characterized in that the strip (17) forms an angle (╬▓) in relation to the longitudinal axis (13) of the housing (1) which is situated between 45┬░ and 89┬░ and preferably between 60┬░ and 85┬░.
9. Liquid separator according to claim 5 or 6, characterized in that the slanting strip (17) approaches the inside of the vessel (2) towards the middle of the lid (3) .
10. Liquid separator according to claims 6 and 9, 13 characterized in that the strip (17) forms an angle (╬▓) in relation to the longitudinal axis (13) of the housing (1) which is situated between 30┬░ and 60┬░ and which is preferably about 45┬░.
11. Liquid separator according to any of claims 2 to 10, characterized in that the strip (14 or 17) against which the sealing (29 or 31) fits up forms a mechanically processed part of a wider, slanting part (12 or 16) of the inner side.
12. Liquid separator according to any of the preceding claims, characterized in that the filter element (4) is provided with a head (18) on the side of the lid (3) with an integrated collar (26) , whereby the grooves (28-30) with the seals (29-31) are provided in this head (18) .
13. Liquid separator according to claim 12, characterized in that the grooves (28-30) with the sealings (29-31) are provided near the outer edge of the collar (26) and there where the collar (26) fits up to the rest respectively.
14. Liquid separator according to claim 12 or 13 , characterized in that the head (18) is made of aluminium or high-grade plastic.
15. Liquid separator according to claim 14, characterized in that the head (18) is made by means of die-casting, injection-moulding respectively.
16. Liquid separator according to any of claims 12 to 15, characterized in that the filter material (19) is cast to the head (18) by means of a hardening jointing material. 14
17. Liquid separator according to any of the preceding claims, characterized in that the sealings are elastic rings, for example 0-rings.
18. Liquid separator according to any of the preceding claims, characterized in that the filter element (4) is surrounded by a shield (32) .
19. Liquid separator according to any of claims 12 to 16 and according to claim 18, characterized in that the shield (32) can be provided with an outward directed collar which is situated between a part, for example a shoulder (15) of the vessel (2) and the head (18) of the filter element (4) .
15
Liquid separator and filter element therefore.
Liquid separator containing a housing (1) which is provided with an inlet (5) and an outlet (6) and which consists of a vessel (2) and a lid (3) closing off the lid (2) , and a filter element (4) provided with an outwardly protruding collar (26) with which it is fixed to the housing (1) and whereby, between this filter element (4) and the housing (1) , are provided at least two seals (29-31) , characterized in that the two seals (29-31) are provided in a groove (28-30) in the filter element (4) , one of which has been provided in a groove
(30) in the collar (26) and fitting up to the vessel (2) , whereas the other fits up to the lid (3), so that the part of the filter element (4) containing the grooves
(28-30) with the seals (29-31) provides for the seal between the vessel (2) and the lid (3) .
Figure 2.
PCT/BE1999/000004 1998-01-20 1999-01-19 Liquid separator and filter element therefor WO1999037386A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU20420/99A AU2042099A (en) 1998-01-20 1999-01-19 Liquid separator and filter element therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9800041 1998-01-20
BE9800041A BE1011715A3 (en) 1998-01-20 1998-01-20 Liquid separator AND FILTER ELEMENT THEREFOR.

Publications (1)

Publication Number Publication Date
WO1999037386A1 true WO1999037386A1 (en) 1999-07-29

Family

ID=3891059

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BE1999/000004 WO1999037386A1 (en) 1998-01-20 1999-01-19 Liquid separator and filter element therefor

Country Status (3)

Country Link
AU (1) AU2042099A (en)
BE (1) BE1011715A3 (en)
WO (1) WO1999037386A1 (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7708795B2 (en) 2004-10-27 2010-05-04 Camfil Ab Air filter unit
EP2227306A1 (en) * 2007-11-09 2010-09-15 United Air Specialists, Inc Filter element arrangement and end cap interface feature
WO2010124349A1 (en) * 2009-04-27 2010-11-04 Atlas Copco Airpower Liquid separator
CN102895804A (en) * 2011-07-27 2013-01-30 中国石油化工股份有限公司 Supersonic demulsifying dehydration device
WO2013003769A3 (en) * 2011-06-30 2013-02-28 Donaldson Company, Inc. Air/oil separator assemblies; components and methods
WO2013003762A3 (en) * 2011-06-30 2013-05-02 Donaldson Company, Inc. Crankcase ventilation filter cartridges and assemblies
WO2014059189A1 (en) * 2012-10-10 2014-04-17 Ingersoll-Rand Company Filter element and filter bowl for compressed air filter
US8864913B2 (en) 2009-08-03 2014-10-21 United Air Specialists, Inc. Filter cleaning system and method
CN105396393A (en) * 2015-12-27 2016-03-16 吴倩倩 Gas separator
EP3100780A1 (en) * 2015-06-01 2016-12-07 Mann + Hummel Gmbh Filter element, oil separator and method for regulating the pressure in a crank case ventilation system
US9724631B2 (en) 2012-10-10 2017-08-08 Ingersoll-Rand Company Filter element adaptor for compressed air filter
US9849413B2 (en) 2012-10-10 2017-12-26 Ingersoll-Rand Company Upper end cap for filter
EP3342473A1 (en) * 2016-12-28 2018-07-04 Ingersoll-Rand Company Gas compressor filter element
US11235274B2 (en) 2011-06-30 2022-02-01 Donaldson Company, Inc. Filter systems; components; features; and, methods of assembly and use
EP4079393A1 (en) * 2021-04-20 2022-10-26 Donaldson Company, Inc. Air cleaner arrangement and associated filter elements

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB885767A (en) * 1960-06-15 1961-12-28 Mann & Hummel Filter Improvements in or relating to air or gas filters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB885767A (en) * 1960-06-15 1961-12-28 Mann & Hummel Filter Improvements in or relating to air or gas filters

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7708795B2 (en) 2004-10-27 2010-05-04 Camfil Ab Air filter unit
US8486172B2 (en) 2007-11-09 2013-07-16 United Air Specialists, Inc. Filter element arrangement and end cap interface feature
EP2227306A1 (en) * 2007-11-09 2010-09-15 United Air Specialists, Inc Filter element arrangement and end cap interface feature
EP2227306A4 (en) * 2007-11-09 2011-04-06 United Air Specialists Filter element arrangement and end cap interface feature
US8430941B2 (en) 2007-11-09 2013-04-30 United Air Specialists, Inc. Filter element arrangement and portable air cleaner incorporating same
WO2010124349A1 (en) * 2009-04-27 2010-11-04 Atlas Copco Airpower Liquid separator
BE1018543A3 (en) * 2009-04-27 2011-03-01 Atlas Copco Airpower Nv LIQUID SEPARATOR.
CN102292135A (en) * 2009-04-27 2011-12-21 阿特拉斯·科普柯空气动力股份有限公司 Liquid separator
US8945257B2 (en) 2009-04-27 2015-02-03 Atlas Copco Airpower, Naamloze Vennootschap Liquid separator
RU2506111C2 (en) * 2009-04-27 2014-02-10 Атлас Копко Эрпауэр, Намлозе Веннотсхап Fluid separator
US9718018B2 (en) 2009-08-03 2017-08-01 United Air Specialists, Inc. Filter cleaning system and method
US8864913B2 (en) 2009-08-03 2014-10-21 United Air Specialists, Inc. Filter cleaning system and method
CN106014538A (en) * 2011-06-30 2016-10-12 唐纳森公司 Crankcase ventilation filter cartridges and assemblies
WO2013003769A3 (en) * 2011-06-30 2013-02-28 Donaldson Company, Inc. Air/oil separator assemblies; components and methods
US9504949B2 (en) 2011-06-30 2016-11-29 Donaldson Company, Inc. Air/oil separator assemblies; components; and methods
KR20140058524A (en) * 2011-06-30 2014-05-14 도날드슨 컴파니, 인코포레이티드 Air/oil separator assemblies;components and methods
US11235274B2 (en) 2011-06-30 2022-02-01 Donaldson Company, Inc. Filter systems; components; features; and, methods of assembly and use
JP2014523807A (en) * 2011-06-30 2014-09-18 ドナルドソン カンパニー，インコーポレイティド Crankcase ventilation filter system, parts, features and methods of assembly and use
CN103687658A (en) * 2011-06-30 2014-03-26 唐纳森公司 Air/oil separator assemblies
JP2014523808A (en) * 2011-06-30 2014-09-18 ドナルドソン カンパニー，インコーポレイティド Air / oil separator assembly, parts and methods
KR101972618B1 (en) * 2011-06-30 2019-08-16 도날드슨 컴파니, 인코포레이티드 Air/oil separator assemblies;components and methods
CN103747845A (en) * 2011-06-30 2014-04-23 唐纳森公司 Crankcase ventilation filter systems
CN103687658B (en) * 2011-06-30 2016-05-04 唐纳森公司 Air/oil separators assembly, parts and method
CN103747845B (en) * 2011-06-30 2016-06-29 唐纳森公司 Crankcase ventilation filter filter element and assembly
US9440177B2 (en) 2011-06-30 2016-09-13 Donaldson Company, Inc. Crankcase ventilation filter systems; components; features; and, methods of assembly and use
WO2013003762A3 (en) * 2011-06-30 2013-05-02 Donaldson Company, Inc. Crankcase ventilation filter cartridges and assemblies
CN102895804A (en) * 2011-07-27 2013-01-30 中国石油化工股份有限公司 Supersonic demulsifying dehydration device
CN104797320A (en) * 2012-10-10 2015-07-22 英格索兰公司 Filter element and filter bowl for compressed air filter
US9849413B2 (en) 2012-10-10 2017-12-26 Ingersoll-Rand Company Upper end cap for filter
CN104797320B (en) * 2012-10-10 2017-05-31 英格索兰公司 For the filter cell and strainer cup of compressed-air filter
WO2014059189A1 (en) * 2012-10-10 2014-04-17 Ingersoll-Rand Company Filter element and filter bowl for compressed air filter
US9724631B2 (en) 2012-10-10 2017-08-08 Ingersoll-Rand Company Filter element adaptor for compressed air filter
EP3100780A1 (en) * 2015-06-01 2016-12-07 Mann + Hummel Gmbh Filter element, oil separator and method for regulating the pressure in a crank case ventilation system
EP3842119A1 (en) * 2015-06-01 2021-06-30 MANN+HUMMEL GmbH Filter element, oil separator and method for regulating the pressure in a crankcase ventilation system
CN106194332A (en) * 2015-06-01 2016-12-07 曼·胡默尔有限公司 The method of pressure in filter element, oil eliminator and regulation crankcase ventilation system
EP4241869A1 (en) * 2015-06-01 2023-09-13 MANN+HUMMEL GmbH Filter element, oil separator and method for regulating the pressure in a crank case ventilation system
CN105396393A (en) * 2015-12-27 2016-03-16 吴倩倩 Gas separator
EP3342473A1 (en) * 2016-12-28 2018-07-04 Ingersoll-Rand Company Gas compressor filter element
US10272377B2 (en) 2016-12-28 2019-04-30 Ingersoll-Rand Company Gas compressor filter element
EP4079393A1 (en) * 2021-04-20 2022-10-26 Donaldson Company, Inc. Air cleaner arrangement and associated filter elements
WO2022226098A1 (en) * 2021-04-20 2022-10-27 Donaldson Company, Inc. Air cleaner arrangement and associated filter elements

Also Published As

Publication number Publication date
AU2042099A (en) 1999-08-09
BE1011715A3 (en) 1999-12-07

Similar Documents

Publication Publication Date Title
WO1999037386A1 (en) Liquid separator and filter element therefor
US4634527A (en) Fluid filter element with annular sealing means
KR100234790B1 (en) Retained seal assembly
CA1304694C (en) Fluid filter and method for attaching same in sealing relation to a filter mount
EP1777446B1 (en) Lip-type end-face sealing device
US5163712A (en) Rotatable vacuum flange
CN101903110B (en) Horizontal centrifugation apparatus
WO2020233499A1 (en) High strength composite valve core
US6848303B2 (en) Water meter with a measuring insert, sealed towards the outside
US4291888A (en) Rotor shaft sealing mechanism in synthetic resin kneading machines or extruders
US6142476A (en) Mechanical seal
CN1103891C (en) Enclosed indicator for a piston in a control valve
EP0029686B1 (en) Continuous self-locking spiral wound seal
US6676131B1 (en) Sealing ring for a centrifugal separator
US11892111B2 (en) Housing device and method for mounting housing device
US5000489A (en) Service saddle
US4534570A (en) Sealing ring for a centrifugal separator
US20030146143A1 (en) High strength, spin-on filter
US20080006573A1 (en) Exchangeable filter
US6450506B1 (en) Sealing system for providing a gap-free seal between stationary structural parts
CN212643582U (en) Valve seat-cage assembly and valve
JP2001324027A (en) Rotating shaft sealing device
RU1803664C (en) High-pressure vessel gate
US20030146142A1 (en) High strength, spin-on filter
SU1158810A2 (en) Stationary fluid-type seal

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH GM HR HU ID IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW SD SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
NENP Non-entry into the national phase

Ref country code: KR

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: CA