WO2011126136A1 - フィルタエレメント、フィルタ装置 - Google Patents
フィルタエレメント、フィルタ装置 Download PDFInfo
- Publication number
- WO2011126136A1 WO2011126136A1 PCT/JP2011/059026 JP2011059026W WO2011126136A1 WO 2011126136 A1 WO2011126136 A1 WO 2011126136A1 JP 2011059026 W JP2011059026 W JP 2011059026W WO 2011126136 A1 WO2011126136 A1 WO 2011126136A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid
- filter
- water
- filter medium
- filter element
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 160
- 239000000428 dust Substances 0.000 claims abstract description 62
- 238000000926 separation method Methods 0.000 claims description 82
- 239000007788 liquid Substances 0.000 claims description 58
- 230000005484 gravity Effects 0.000 claims description 14
- 239000000446 fuel Substances 0.000 abstract description 86
- 239000000463 material Substances 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 description 20
- 239000002828 fuel tank Substances 0.000 description 13
- 230000007423 decrease Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/08—Thickening liquid suspensions by filtration
- B01D17/10—Thickening liquid suspensions by filtration with stationary filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
- B01D29/232—Supported filter elements arranged for outward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/025—Adding water
- F02M25/03—Adding water into the cylinder or the pre-combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/24—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by water separating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/29—Filter cartridge constructions
- B01D2201/291—End caps
- B01D2201/298—End caps common to at least two filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/34—Seals or gaskets for filtering elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the present invention relates to a technique for filtering dust and moisture in fuel, for example.
- a filter device for removing dust and moisture in the fuel is provided in a fuel flow path that connects the fuel tank and the engine and guides the fuel in the fuel tank to the engine.
- the filter device includes one filter medium.
- the one filter medium is required to have a function of removing dust and moisture in the fuel.
- the function of removing moisture tends to decrease as the filter medium collects dust. For this reason, it is considered that the filter medium has an early function of removing moisture. It is not preferable that the function of removing moisture is deteriorated at an early stage.
- the present invention is capable of suppressing an early decline in the function of removing moisture in the liquid, and is capable of suppressing an early decline in the function of removing moisture even when the dust concentration in the liquid is high.
- the purpose is to provide elements.
- the present invention can suppress the early removal of the function of removing moisture in the liquid, and can suppress the early decline of the function of removing moisture even when the dust concentration in the liquid is high.
- An object is to provide a filter device.
- the filter element according to the first aspect of the present invention is a first element having a function of removing dust in the liquid to be filtered, and is contained inside the first element, and removes moisture in the liquid. And a second element having a function.
- the filter element according to claim 2 has a first element having a function of removing dust in the liquid to be filtered, a function of removing the moisture in the liquid while accommodating the first element inside. And a second element.
- a filter device is a first element having a function of removing dust in the liquid to be filtered, and is housed inside the first element, and removes moisture in the liquid.
- a gap is formed between the first element and the second element.
- the second element has water repellency, and separates moisture in the liquid into the gap when the liquid passes through the second element.
- the flow path communicates the gap and the water reservoir.
- the housing includes a base portion to which the filter element is fixed.
- the inflow path is formed in the base.
- the outflow path is formed in the base.
- the water reservoir is provided at the base.
- the flow path is formed in the base.
- the filter device of the invention according to claim 4 has a first element having a function of removing dust in the liquid to be filtered, and a function of accommodating the first element inside and removing moisture in the liquid.
- a filter element having a second element, a housing that houses the filter element, an inflow path that guides the liquid to the inside of the first element, and the liquid after passing through the filter element.
- An outflow path that leads to the outside, a water storage section that stores water removed by the second element, and a flow path that guides the water removed by the second element to the water storage section.
- a gap is formed between the first element and the second element.
- the second element has water repellency, and separates moisture in the liquid into the gap when the liquid passes through the second filter medium.
- the flow path communicates the gap and the water reservoir.
- the housing includes a base portion to which the filter element is fixed.
- the inflow path is formed in the base.
- the outflow path is formed in the base.
- the water reservoir is provided at the base.
- the flow path is formed in the base.
- a filter device for dust separation comprising: a first element having a function of removing dust in a liquid to be filtered; and a pair of plates that support both ends of the first element.
- a filter element for water separation comprising a filter element, a second element having a function of separating water in the liquid, and a pair of plates that support both ends of the second element, and the filter for dust separation
- a housing that houses an element and the water separation filter element, an inflow path that guides the liquid to the inside of the first element, and an outflow path that guides the liquid to the outside after passing through the second element And a water storage part for accumulating water removed by the second element.
- the dust separation filter element In a state where the dust separation filter element and the water separation filter element are accommodated in the housing, the dust separation filter element is connected to the water separation filter element in a direction in which the axis of the second element extends.
- the water separation filter elements are arranged downstream of the dust separation filter element in the liquid flow direction and at positions advanced in the direction in which gravity acts.
- a first gap is provided between the inner surface of the housing and the outer surface of the first element.
- a second gap is provided between the housing and the second element so as to communicate with the first gap and the water reservoir.
- the second element has water repellency, and separates moisture in the liquid into the second gap when the liquid passes through the second element.
- a filter element that can prevent the function of removing moisture in the liquid from deteriorating early.
- a filter apparatus provided with the filter element which can suppress that the function which removes the water
- FIG. 1 is a schematic view showing a system from a fuel tank to an engine including a filter device according to the first embodiment of the present invention.
- FIG. 2 is an exploded view showing a state in which the housing and the filter element shown in FIG. 1 are disassembled.
- FIG. 3 is a plan view of the base shown in FIG. 2 as viewed from the main body cylinder side.
- FIG. 4 is a plan view of the base shown in FIG. 2 viewed from the water storage side.
- FIG. 5 is a plan view showing the second plate shown in FIG.
- FIG. 6 is a schematic view showing a system from a fuel tank to an engine including a filter device according to the second embodiment of the present invention.
- FIG. 1 is a schematic view showing a system from a fuel tank to an engine including a filter device according to the first embodiment of the present invention.
- FIG. 2 is an exploded view showing a state in which the housing and the filter element shown in FIG. 1 are disassembled.
- FIG. 3 is a
- FIG. 7 is a schematic view showing a system from a fuel tank to an engine including a filter device according to the third embodiment of the present invention.
- FIG. 8 is an exploded view of the filter device shown in FIG.
- FIG. 9 is a schematic view showing another form of the system from the fuel tank to the engine, which includes the filter device according to the third embodiment of the present invention.
- FIG. 1 shows a system 1 from a fuel tank 10 containing fuel F to an engine 20 (internal combustion engine).
- the fuel F is an example of the liquid to be filtered in the present invention.
- the system 1 is used for a heavy machine etc. as an example.
- the system 1 includes a fuel tank 10, an engine 20, a fuel flow path 30 that connects the fuel tank 10 and the engine 20 to guide the fuel F to the engine 20, and a fuel flow path 30.
- a filter device 40 that filters the fuel F.
- the filter device 40 is shown in cross section.
- the fuel flow path 30 includes a first fuel flow path portion 31 that communicates the fuel tank 10 and the filter device 40, and a second fuel flow path portion 32 that communicates the filter device 40 and the engine 20. .
- the first fuel flow path portion 31 guides the fuel F in the fuel tank 10 to the filter device 40.
- the second fuel flow path portion 32 guides the fuel F that has passed through the filter device 40 to the engine 20.
- a part of the first fuel flow path part 31 is shown, and the other part is omitted by a two-dot chain line.
- a part of the second fuel flow path part 32 is shown, and the other part is omitted by a two-dot chain line.
- the filter device 40 includes a filter element 50 including a pair of filter elements, a water storage unit 110 that stores moisture W separated by the filter element 50, and a housing 70 that stores the filter element 50.
- FIG. 2 shows a state in which the housing 70 and the filter element 50 are disassembled. In FIG. 2, half of the filter element 50 is shown in cross section.
- the filter element 50 includes a first filter medium 51, a second filter medium 52, a first plate 53, a second plate 54, a first inner cylinder 55, And a second inner cylinder 56.
- the filter element 50 is an example of the filter element referred to in the present invention.
- the first filter medium 51 is an example of the first element referred to in the present invention.
- the 2nd filter medium 52 is an example of the 2nd element said by this invention.
- the first filter medium 51 is formed by folding a plate-shaped material capable of collecting the dust D in the fuel F into a cylindrical shape (pleat-shaped). For this reason, the 1st filter medium 51 is a cylinder shape which both ends open.
- the dust D in the fuel F is collected by the first filter medium 51.
- the dust in the fuel F is removed.
- dust indicates foreign matters other than moisture.
- An example of dust is a fine solid. Collecting the dust D is an example of the function of removing dust in the liquid to be filtered in the present invention.
- the first inner cylinder 55 is accommodated inside the first filter medium 51.
- the first inner cylinder 55 is metallic as an example, and is formed in a cylindrical shape having both ends open.
- the first inner cylinder 55 is formed with a plurality of through holes 55a penetrating the peripheral wall.
- the through hole 55 a is formed in the entire area of the peripheral wall portion of the first inner cylinder 55.
- the first inner cylinder 55 is in contact with the inner surface of the first filter medium 51 and supports the first filter medium 51 so that the first filter medium 51 is not deformed inward.
- the second filter medium 52 is formed by folding a plate-like material that allows the fuel F to pass therethrough and has water repellency (pleated) into a cylindrical shape. For this reason, the 2nd filter medium 52 is a cylinder shape which both ends open.
- the second filter medium 52 is accommodated in the first filter medium 51.
- a gap S is set between the first filter medium 51 and the second filter medium 52. More specifically, a gap S is formed between the second filter medium 52 and the first inner cylinder 55.
- the second filter medium 52 is arranged so as to be coaxial with the first filter medium 51.
- the gap S is formed in an annular shape that continues around the second filter medium 52.
- the water W in the fuel F is repelled on the surface of the second filter medium 52 and falls into the gap S. Separating the water W by utilizing the water repellent function is an example of the function of removing water in the liquid as referred to in the present invention.
- the second inner cylinder 56 is accommodated inside the second filter medium 52.
- the 2nd inner cylinder 56 is metallic as an example, and is formed in the cylinder shape which both ends open.
- a plurality of through holes 56 a penetrating the peripheral wall are formed in the peripheral wall of the second inner cylinder 56.
- the through hole 56a is formed over the entire peripheral wall.
- the second inner cylinder 56 is in contact with the inner surface of the second filter medium 52 and supports the second filter medium 52 so that the second filter medium 52 is not deformed inward.
- the first filter media 51 is responsible for the moisture in the fuel F. It is not necessary to have a function of removing W.
- the material constituting the first filter medium 51 has the property of collecting the dust D and allowing the moisture W in the fuel F to pass through without being collected.
- the second filter medium 52 may not have a function of removing the dust D in the fuel F.
- the second element referred to in the present invention only needs to have at least a function of removing water in the liquid to be filtered, and has a function of removing foreign substances such as dust in the liquid to be filtered. It does not have to be.
- the second element referred to in the present invention may preferably further have a function of removing foreign matters such as dust in the liquid to be filtered.
- the first plate 53 supports one ends 51 a and 52 a of the first and second filter media 51 and 52 and one ends 55 b and 56 b of the first and second inner cylinders 55 and 56.
- the first plate 53 has a plate shape that liquid-tightly covers the one ends 51 a, 52 a, 55 b, and 56 b, and the first projecting portion 57 formed in an annular shape and the first projecting portion 57 And a second protrusion 58 formed on the inner side.
- the first protrusion 57 fits inside the first inner cylinder 55.
- the second protrusion 58 fits inside the second inner cylinder 56.
- the peripheral portion 53a of the first plate 53 rises.
- the peripheral portion 53 a covers and supports the edge portion of one end of the first filter medium 51.
- the second plate 54 supports the other ends 51 b and 52 b of the first and second filter media 51 and 52 and the other ends 55 c and 56 c of the first and second inner cylinders 55 and 56.
- the second plate 54 has a plate shape that covers the other ends 51 b, 52 b, 55 c, and 56 c, and has a third projecting portion 59 formed in an annular shape and an inner side of the third projecting portion 59.
- a fourth protrusion 60 formed in an annular shape.
- the third protrusion 59 fits inside the first inner cylinder 55.
- the fourth protrusion 60 fits inside the second inner cylinder 56.
- the peripheral edge 54a of the second plate 54 rises.
- the peripheral edge 54 a supports the edge of the other end of the first filter medium 51.
- the housing 70 includes a base 80, a main body cylinder 90, and a lid member 100.
- the base 80 supports the filter element 50.
- the main body cylinder part 90 is metallic as an example, and has a cylindrical shape with both ends open. One end of the main body cylinder portion 90 is fixed to the base portion 80 and is liquid-tightly closed.
- the filter element 50 is accommodated in a space defined by the base portion 80 and the main body cylinder portion 90.
- the filter element 50 is fixed to the base 80.
- a fixing structure for fixing the filter element 50 to the base 80 will be specifically described.
- FIG. 3 is a plan view of the base 80 viewed from the main body cylinder 90 side.
- the fixed portion 83 has a circular planar shape.
- the second plate 54 of the filter element 50 is formed with a cylindrical fitting portion 84 in which the fixing portion 83 is fitted inside.
- An O-ring 85 is formed inside the fitting portion 84 as an example of a seal member.
- the filter element 50 is fixed to the base 80 by the fixing portion 83 being fitted in the fitting portion 84.
- the O-ring 85 provides a liquid-tight seal between the fixed portion 83 and the fitting portion 84.
- the base 80 communicates with the first fuel flow path portion 31 and communicates with the inflow passage 81 that leads the fuel F before being filtered to the filter element 50 and the second fuel flow path portion 32 to communicate with the filter element.
- An outflow passage 82 that guides the fuel F after being filtered at 50 to the second fuel flow path portion 32 is formed.
- the inflow path 81 is formed from the side of the base 80 to the surface on the side where the filter element 50 is fixed. As shown in FIG. 3, the opening 81 a of the inflow passage 81 is formed in a part around the fixed portion 83.
- a column part 86 is formed in the center of the fixing part 83.
- the column part 86 is accommodated in the second inner cylinder 56 through the fourth projecting part 60.
- the fourth protrusion 60 is provided with an O-ring 87 that provides a liquid-tight seal between the fourth protrusion 60 and the column portion 86.
- One end of the column portion 86 extends to the middle of the second inner cylinder 56.
- the outflow path 82 is formed from one end of the column part 86 to the side part of the base part 80.
- the peripheral edge portion 101 of the lid member 100 rises over the entire area, and an internal thread portion 102 is formed on the inner surface.
- the female screw portion 102 is screwed into a male screw portion 103 formed on the peripheral surface of the peripheral portion on the opening side of the main body cylinder portion 90.
- the lid member 100 holds the filter element 50 between the base portion 80.
- the lid member 100 presses the first plate 53 of the filter element 50 and presses the second plate 54 against the fixing portion 83.
- the filter element 50 is accommodated in a space defined by the base portion 80, the main body cylinder portion 90, and the lid member 100, that is, in a state where the posture is fixed in the housing 70.
- the water storage part 110 is fixed to the opposite side of the main body cylinder part 90 in the base part 80.
- the water storage unit 110 accumulates the water separated by the second filter medium 52.
- a drain plug 111 is formed below the water storage unit 110. When the drain plug 111 is removed, the water accumulated in the water storage unit 110 can be discharged to the outside.
- the water reservoir 110 may be formed integrally with the base 80 and may be formed integrally with the base 80, or may be formed with a member different from the base 80 and attached to the base 80.
- FIG. 4 is a plan view of the base 80 as seen from the water storage section 110 side.
- the flow path 120 passes through the base 80.
- the flow path 120 communicates with the water reservoir 110. 1 and 3, the flow path 120 is indicated by a dotted line.
- FIG. 5 is a plan view showing the second plate 54 of the filter element 50.
- the second plate 54 is viewed from the base 80 side.
- the second plate 54 has a through groove 121 that communicates with the gap S and penetrates the second plate 54.
- the through groove 121 is located inside the peripheral edge 83 a of the fixing portion 83 when the filter element 50 is fixed to the base portion 80.
- the edge 122 of the through groove 121 is indicated by a dotted line.
- the water W separated by the second filter medium 52 passes through the through groove 121 and enters the space A. Subsequently, it passes through the flow path 120 and exits to the water storage unit 110.
- the fuel F guided from the fuel tank 10 to the filter device 40 is in a state before being filtered.
- the fuel F passes into the housing 70 through the inflow path 81.
- the fuel F that has entered the housing 70 first passes through the first filter medium 51.
- the dust D is collected by the first filter medium 51.
- the water W in the fuel F passes through the first filter medium 51.
- the fuel F that has passed through the first filter medium 51 then flows to pass through the second filter medium 52. At this time, the water W in the fuel F is repelled on the surface of the second filter medium 52 and falls into the gap S.
- the fuel F from which the moisture W in the fuel F has been removed passes through the second filter medium 52 and exits inside the second filter medium 52.
- the fuel F that has come out of the inside of the second filter medium 52 is in a state in which the dust D and moisture W have been removed.
- the fuel F flows through the outflow passage 82 and is guided to the second fuel passage portion 32.
- the fuel F flowing through the second fuel flow path portion 32 is guided to the engine 20.
- the drain plug 111 is used when the filter device 40 is not filtering the fuel F. Is removed, and the water in the water storage section 110 is discharged.
- the filter element 50 includes the first filter medium 51 that removes the dust D in the fuel F and the second filter medium 52 that removes the water W in the fuel F. Furthermore, since the second filter medium 52 is accommodated inside the first filter medium 51, the dust D in the fuel F reaching the second filter medium 52 is removed. For this reason, since it can suppress that the dust D in the fuel F adheres to the 2nd filter medium 52, it is suppressed that the function which removes the water
- the water W separated by forming the gap S between the first filter medium 51 and the second filter medium 52 is separated into the gap S, and the gap S and the water storage unit 110 are communicated with each other through the flow path 120. With the structure, the separated water W can be smoothly guided to the water storage unit 110.
- the inflow path 81, the outflow path 82, and the flow path 120 are formed in the base portion 80, a complicated arrangement of the flow paths can be collected in the base portion 80. The operation of incorporating the device 40 into the fuel flow path 30 can be performed smoothly.
- the structure of the filter element 50 is different from that of the first embodiment.
- the structure of the base 80 is different from that of the first embodiment in accordance with the structure of the filter element 50.
- Other structures may be the same as those in the first embodiment. The different structure will be described.
- FIG. 6 is a cross-sectional view showing the filter device 40 of the present embodiment.
- the flow of the fuel F is opposite to that of the first embodiment.
- the outflow path 82 described in the first embodiment functions as the inflow path 81 in the present embodiment.
- the inflow path 81 described in the first embodiment functions as the outflow path 82 in the present embodiment.
- the fuel F passes through the filter element 50 from the inside toward the outside.
- the first and second filter media 51 and 52 are replaced with each other with respect to the arrangement of the first embodiment.
- the second filter medium 52 is formed in the same shape as the first filter medium 51 of the first embodiment.
- the 2nd filter medium 52 is provided in the same location as the 1st filter medium 51 of 1st Embodiment.
- the shape of the first filter medium 51 is formed in the same shape as the second filter medium 52 of the first embodiment.
- the 1st filter medium 51 is provided in the location in which the 2nd filter medium 52 of 1st Embodiment was provided.
- the filter element 50 has the first filter medium 51 accommodated inside the second filter medium 52.
- the first inner cylinder 55 supports the inside of the second filter medium 52.
- the second inner cylinder 56 supports the inside of the first filter medium 51.
- a gap S is formed between the first and second filter media 51 and 52 as in the first embodiment.
- the structure of the flow path 120 which connects the clearance gap S and the water storage part 110 may be the same as that of 1st Embodiment. Except for the above points, the structure of the filter device 40 of the present embodiment is the same as that of the filter device 40 of the first embodiment.
- the dust D is collected by the first filter medium 51, and the water W is separated by the inner surface of the second filter medium 52, and the gap S Falls inside.
- the water W that has fallen into the gap S is guided to the water storage unit 110.
- the same operation and effect as in the first embodiment can be obtained.
- a filter device according to a third embodiment of the present invention will be described with reference to FIGS.
- the structure of the filter device 40 is different from that of the first embodiment.
- FIG. 7 shows the system 1 from the fuel tank 10 containing the fuel F to the engine 20 in this embodiment.
- the filter device 40 is shown in cross section.
- FIG. 7 is a cross-sectional view showing a state in which the filter device 40 is disassembled.
- the filter device 40 includes a housing 70, a dust separation filter element 200 housed in the housing 70 instead of the filter element 50, and a water separation filter that removes moisture W in the fuel F. Element 210.
- the structure of the housing 70 is different from that of the first embodiment.
- the dust separation filter element 200 includes a filter medium 201, a first filter medium plate 202, and a filter medium second plate 203.
- the filter medium 201 is formed from the same material as the first filter medium 51 described in the first and second embodiments, and has the same function as the first filter medium 51.
- the filter medium 201 has a function of collecting the dust D in the fuel F.
- the filter medium 201 is folded and formed into a cylindrical shape. In the present embodiment, the filter medium 201 is the same as the first filter medium 51.
- the filter medium 201 is an example of a first element referred to in the present invention.
- the filter medium first plate 202 supports one end of the filter medium 201.
- the second plate 203 for the filter medium supports the other end of the filter medium 201.
- the water separation filter element 210 has a water separation element 211, an inner cylinder 212, a first plate for water separation 213, and a second plate for water separation 214.
- the water separation element 211 is formed by folding a plate-like member having water repellency into a cylindrical shape.
- the water separation element 211 is formed of the same material as the second filter medium 52 used in the first and second embodiments, and has the same function as the second filter medium 52. In the present embodiment, the water separation element 211 is the same as the second filter medium 52.
- the water separation element 211 is an example of a second element referred to in the present invention.
- the inner cylinder 212 is accommodated in the water separation element 211.
- the inner cylinder 212 is formed with a plurality of through holes 215 that communicate the inside and the outside.
- the first water separation plate 213 supports one end of the water separation element 211 and one end of the inner cylinder 212.
- the second plate 214 for water separation supports the other end of the water separation element 211 and the other end of the inner cylinder 212.
- the housing 70 includes a housing main body 220 and a lid member 230.
- the housing body 220 has a cylindrical shape in which an opening 221 is formed at one end.
- a water reservoir 110 is formed in the housing body 220 on the side opposite to the opening 221.
- the posture of the housing 70 when the filter device 40 is mounted in the system 1 is a posture in which the water storage unit 110 is disposed at the tip portion in the direction in which gravity acts.
- the downward direction in which the gravity acts is a direction in which the gravity advances when the device in which the filter device 40 is incorporated (in this embodiment, a heavy machine) is in a normally used posture.
- the direction in which gravity is applied in the state where the crane is installed is shown.
- the apparatus which has a wheel etc. and travels the direction which advances to the direction where gravity acts in the state in which the said apparatus was mounted in the horizontal surface is shown.
- the vertical direction V is determined.
- the filter device 40 When the filter device 40 is assembled in the system 1 and the heavy machine in which the filter device 40 is incorporated is placed on a horizontal plane perpendicular to the direction in which the gravity acts, the direction in which the gravity acts is changed from top to bottom.
- the vertical direction V is set as the direction to go.
- the vertical direction V is not limited to being strictly parallel to the direction in which gravity acts. For example, it may be substantially parallel.
- the filter medium 201 and the water separation element 211 are accommodated in the housing main body 220 in a state in which the respective axes B and C are aligned (so as to be arranged on the same straight line). Is done.
- the water separation filter element 210 is disposed below the dust separation filter element 200.
- the water separation filter element 210 is disposed in advance of the dust separation filter element 200 along the direction in which gravity acts (lower in the direction in which gravity acts).
- the first plates 202 and 213 are located above, and the second plates 203 and 214 are located below.
- the axes B and C are parallel to the vertical direction V. In addition, it may not be strictly parallel and may be substantially parallel.
- a plurality of ribs 240 extending in the vertical direction are formed in the water reservoir 110. Each rib 240 is formed away from each other.
- a drain plug 111 is provided at the lower end of the housing main body 220 to discharge the water accumulated in the water storage section 110 to the outside.
- a first gap G1 is formed between the two.
- a second gap G2 is formed between the outer peripheral surface 217 and the inner surface 222 of the water separation element 211 of the water separation filter element.
- the first and second gaps G1 and G2 communicate with each other.
- the second gap G ⁇ b> 2 communicates with the water storage unit 110.
- the lid member 230 covers the opening 221.
- the lid member 230 includes a main body portion 231 that covers the opening 221 and a cylindrical portion 232 that is formed on the main body portion 231.
- a male screw portion 234 is formed on the peripheral edge portion 233 of the main body portion 231.
- a female screw part 223 into which the male screw part 234 is screwed is formed at the edge of the opening 221 of the housing body 220.
- the cylindrical portion 232 passes through the inside of the filter medium 201 of the dust separation filter element 200 in the state where the male screw portion 234 of the main body portion 231 is screwed into the female screw portion 223 (screwed to the end). Extends to the inner side of the inner cylinder 212 of the cylinder.
- the axis E of the cylindrical portion 232 overlaps with the axes B and C (overlaps on the same line).
- the cylinder part 232 and the main body part 231 are integrally formed.
- the fuel F before being filtered by the filter device 40 is guided into the filter device 40, and the flow path 300 that guides the fuel F from which dust D and moisture W have been removed by the filter device 40 to the outside. Is formed.
- An inflow path 301 that guides the fuel F to the dust separation filter element 200 is formed in the main body 231 of the lid member 230.
- the inflow path 301 is connected to the first fuel flow path portion 31 and communicates with the first fuel flow path portion 31.
- An opening 302 at one end of the inflow passage 301 is formed in the side surface 235 of the main body 231 of the lid member 230.
- the opening 304 at the other end is formed at a portion (the lower end surface 236 in the present embodiment) facing the inside of the housing main body 220 in the main body portion 231.
- the openings 302 and 304 are in communication.
- the first plate 202 for filter media is formed with a through hole 206 that communicates the inside and outside of the filter media 201.
- the through hole 206 is formed in a range facing the inside of the filter medium 201 in the first filter medium plate 202. Therefore, the first plate 202 for the filter medium covers the portion where the filter medium 201 is folded at one end (in this embodiment, the upper end) of the filter medium 201 in a liquid-tight manner.
- the cylindrical portion 232 of the lid member 230 passes through the through hole 206.
- the through hole 206 faces the opening 304, and therefore the inflow passage 301 and the dust separation filter element 200 (filter medium 201) communicate with each other.
- a through hole 207 through which the cylindrical portion 232 passes is formed in the second plate 203 for filter media.
- the through hole 207 is formed in a range facing the inner side of the filter medium 201 in the second filter medium plate 203. For this reason, the 2nd plate 203 for filter media has liquid-tightly covered the part by which the filter medium 201 is folded at the other end (this embodiment lower end) of the filter media 201.
- FIG. 1 A through hole 207 through which the cylindrical portion 232 passes is formed in the second plate 203 for filter media.
- a through hole 216 through which the cylindrical portion 232 is passed is formed in the water separation first plate 213 of the water separation filter element 210.
- the through hole 216 is formed in a range facing the inner side of the cylindrical portion 232 in the first plate 213 for water separation.
- the 1st plate 213 for water separation has covered the portion folded in the water separation element 211 liquid-tightly.
- the second plate 214 for water separation is not formed with a through hole penetrating the second plate for water separation 214.
- the second plate 214 for water separation covers the entire area of the other end of the water separation element 211 and the other end (the lower end in the present embodiment) of the inner cylinder 212 in a liquid-tight manner.
- An outflow passage 308 is formed in the cylindrical portion 232 and the main body portion 231.
- An opening 305 at one end of the outflow passage 308 is formed at the tip of the cylindrical portion 232.
- An opening 306 at the other end of the outflow path 308 is formed in the side surface 307 of the main body 231 of the lid member 230. The openings 305 and 306 communicate with each other.
- the dust separation filter element 200 and the water separation filter element 210 are disposed in the housing 70, and the inflow path 301 and the outflow path 308 are formed in the lid member 230.
- a flow path 300 is configured to guide the fuel F after the F is guided and the dust D and the water W are separated by the filter device 40.
- the flow path 300 is provided with a structure that liquid-tightly closes the flow path 300 and the outside of the flow path 300. This structure will be described.
- a first O-ring 310 is provided between the main body 231 of the lid member 230 and the first filter medium plate 202.
- the first O-ring 310 has a ring shape.
- the first O-ring 310 has such a size that the opening 304 and the cylindrical portion 232 are disposed inside.
- the first O-ring 310 abuts the lower end surface 236 of the main body 231 and the first filter medium plate 202, so that a portion communicating the inflow path 301 and the inside of the filter medium 201 is liquid-tightly sealed.
- a second O-ring 311 is provided between the filter medium second plate 203 and the water separation first plate 213.
- the second O-ring 311 has a ring shape.
- the second O-ring 311 has a size for arranging the through holes 207 and 216 and the cylindrical portion 232 on the inner side.
- a third O-ring 312 is provided between the edge of the through hole 216 of the first water separation plate 213 and the cylinder part 232 so as to provide a liquid-tight seal between the edge and the cylinder part 232.
- the second O-ring 311 comes into contact with the second filter medium plate 203 and the water separation first plate 213, and the third O-ring 312 comes into contact with the edge of the through-hole 216 and the cylindrical portion 232.
- the through-hole 207 is liquid-tightly sealed by the cylindrical portion 232, the water separation first plate 213, and the second and third O-rings 311 and 312.
- the flow path 300 is configured such that the fuel F flows in the order of the inflow path 301, the filter medium 201, the first gap G1, the second gap G2, the water separation element 211, and the outflow path 308.
- the operation of the filter device 40 will be described.
- the fuel F that has flowed into the flow path 300 from the opening 302 passes through the opening 304 and the through hole 206 and exits to the inside of the filter medium 201.
- the fuel F that has come out of the inside of the filter medium 201 passes through the filter medium 201 from the inside toward the outside. At this time, the dust D contained in the fuel F is collected by the filter medium 201.
- the fuel F that has passed through the filter medium 201 exits into the first gap G1.
- the fuel F that has flowed into the first gap G1 flows into the second gap G2.
- the fuel F that has flowed into the second gap G2 flows through the water separation element 211 from the outside toward the inside.
- the water W is separated from the fuel F by the water repellent function of the water separation element 211.
- the separated water W is guided into the water storage unit 110 through the outside (second gap G2) of the water separation element 211.
- the fuel F after the water W is separated by the water separation element 211 passes through the water separation element 211 and is guided to the outside through the outflow path 308.
- the filter device 40 configured as described above can obtain the same effects as those of the first embodiment.
- the water separation element 211 at a position advanced along the direction in which the gravity acts on the filter medium 201 (downward in the direction in which the gravity acts), the water W heavier than the fuel F can be efficiently removed. It can be led to the water reservoir 110.
- the filter medium 201 and the water separation element 211 are not configured as one unit.
- the dust separation filter element 200 and the water separation filter element 210 are formed separately.
- the first element and the second element referred to in the present invention may be configured as one unit.
- the dust separation filter element 200 and the water separation filter element 210 may be integrally formed. In this case, as a specific structure, one plate having the function of the second plate 203 for filter media and the function of the first plate 213 for water separation is used.
- FIG. 9 shows an example in which the first element and the second element referred to in the present invention are configured as one unit.
- the second plate for filter media 203 and the first plate for water separation 213 instead of the second plate for filter media 203 and the first plate for water separation 213, it has the function of the second plate for filter media 203 and the function of the first plate for water separation 213.
- a single plate 400 is used. In this structure, the second O-ring 311 is not necessary.
- the plate 400 is used instead of the filter medium second plate 203 and the water separation first plate 213, and the second O-ring 311 is not used.
- the structure is the same as that shown in FIG. 9.
- the first and second filter media 51 and 52 are formed into a cylindrical shape by being folded into a pleated shape and then rolled into a cylindrical shape.
- a second filter medium 52 is accommodated inside the first filter medium 51.
- the first and second filter media 51 and 52 may be formed in a shape other than a cylindrical shape.
- it may be a cylindrical shape, and the shape viewed in the axial direction may be a polygon such as a square or a triangle, or a substantially polygonal shape.
- there are various shapes such as a circular shape, a substantially circular shape, a polygonal shape, and a substantially polygonal shape when viewed in the axial direction. May be.
- the cylindrical shape is not limited to the cylindrical shape. The same applies to the second embodiment.
- the filter medium 201 and the water separation element 211 are folded into a cylindrical shape after being folded into a pleat shape, and the shape is a cylindrical shape.
- the filter medium 201 and the water separation element 211 may be formed in a shape other than the cylindrical shape.
- the shape viewed in the axial direction may be a polygon such as a square or a triangle, or a substantially polygonal shape.
- the filter medium 201 and the water separation element 211 have a cylindrical shape
- various shapes such as a circular shape, a substantially circular shape, a polygonal shape, and a substantially polygonal shape when viewed in the axial direction. May be.
- the cylindrical shape is not limited to the cylindrical shape.
- the first and second filter media 51 and 52 have a cylindrical shape, and have a shape in which the peripheral walls are connected to each other.
- the filter medium 201 and the water separation element 211 have a shape in which the peripheral wall is connected by a round.
- the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage.
- Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments. For example, you may delete some components from all the components shown by embodiment mentioned above. Furthermore, you may combine the component covering different embodiment suitably.
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Abstract
Description
ダスト分離用フィルタエレメント200の濾材201の外面204とハウジング本体220の内面222との間には、第1の隙間G1が形成される。水分離用フィルタエレメントの水分離エレメント211の外周面217と内面222との間には、第2の隙間G2が形成される。第1,2の隙間G1,G2は、互いに連通する。第2の隙間G2は、貯水部110に連通している。
Claims (5)
- 濾過すべき液中のダストを取り除く機能を有する第1のエレメントと、
前記第1のエレメントの内側に収容されるとともに、前記液中の水分を取り除く機能を有する第2のエレメントと
を具備することを特徴とするフィルタエレメント。 - 濾過すべき液中のダストを取り除く機能を有する第1のエレメントと、
前記第1のエレメントを内側に収容するとともに、前記液中の水分を取り除く機能を有する第2のエレメントと
を具備することを特徴とするフィルタエレメント。 - 濾過すべき液中のダストを取り除く機能を有する第1のエレメントと、前記第1のエレメントの内側に収容されるとともに、前記液中の水分を取り除く機能を有する第2のエレメントとを具備するフィルタエレメントと、
前記フィルタエレメントを収容するハウジングと、
前記ハウジング内に前記液を導く流入路と、
前記フィルタエレメントを通過した後の前記液を外部に導く流出路と、
前記第2のエレメントで取り除かれた水分をためる貯水部と、
前記第2のエレメントで取り除かれた水分を前記貯水部へ導く流路と
を具備し、
前記第1のエレメントと前記第2のエレメントとの間には、隙間が形成され、
前記第2のエレメントは、撥水性を有しており、前記液が前記第2のエレメントを通過する際に前記液中の水分を前記隙間内に分離し、
前記流路は、前記隙間と前記貯水部とを連通し、
前記ハウジングは、前記フィルタエレメントが固定される基部を具備し、
前記流入路は、前記基部内に形成され、
前記流出路は、前記基部内に形成され、
前記貯水部は、前記基部に設けられ、
前記流路は、前記基部内に形成される
ことを特徴とするフィルタ装置。 - 濾過すべき液中のダストを取り除く機能を有する第1のエレメントと、前記第1のエレメントを内側に収容するとともに、前記液中の水分を取り除く機能を有する第2のエレメントとを具備するフィルタエレメントと、
前記フィルタエレメントを収容するハウジングと、
前記第1のエレメントの内側に前記液を導く流入路と、
前記フィルタエレメントを通過した後の前記液を外部に導く流出路と、
前記第2のエレメントで取り除かれた水分をためる貯水部と、
前記第2のエレメントで取り除かれた水分を前記貯水部へ導く流路と
を具備し、
前記第1のエレメントと前記第2のエレメントとの間には、隙間が形成され、
前記第2のエレメントは、撥水性を有しており、前記液が前記第2の濾材を通過する際に前記液中の水分を前記隙間内に分離し、
前記流路は、前記隙間と前記貯水部とを連通し、
前記ハウジングは、前記フィルタエレメントが固定される基部を具備し、
前記流入路は、前記基部内に形成され、
前記流出路は、前記基部内に形成され、
前記貯水部は、前記基部に設けられ、
前記流路は、前記基部内に形成される
ことを特徴とするフィルタ装置。 - 濾過すべき液中のダストを取り除く機能を有する第1のエレメントと、前記第1のエレメントの両端を支持する一対のプレートとを具備するダスト分離用フィルタエレメントと、
前記液中の水を分離する機能を有する第2のエレメントと、前記第2のエレメントの両端を支持する一対のプレートとを具備する水分離用フィルタエレメントと、
前記ダスト分離用フィルタエレメントと前記水分離用フィルタエレメントとを収容するハウジングと、
前記第1のエレメントの内側に前記液を導く流入路と、
前記第2のエレメントを通過した後の前記液を外部に導く流出路と、
前記第2のエレメントで取り除かれた水分をためる貯水部と
を具備し、
前記ダスト分離用フィルタエレメントと前記水分離用フィルタエレメントとが前記ハウジング内に収容された状態において、前記ダスト分離用フィルタエレメントは前記第2のエレメントの軸線が延びる方向に前記水分離用フィルタエレメントに並び、かつ、前記水分離用フィルタエレメントは、前記液の流れる方向において前記ダスト分離用フィルタエレメントよりも下流であって、重力が作用する方向に進んだ位置に配置され、
前記ハウジングの内面と前記第1のエレメントの外面との間には第1の隙間が設けられ、
前記ハウジングと前記第2のエレメントとの間には、前記第1の隙間と前記貯水部とに連通する第2の隙間が設けられ、
前記第2のエレメントは、撥水性を有しており、前記液が前記第2のエレメントを通過する際に前記液中の水分を前記第2の隙間内に分離する
ことを特徴とするフィルタ装置。
Priority Applications (1)
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CN2011800174775A CN102834153A (zh) | 2010-04-09 | 2011-04-11 | 过滤单元、过滤装置 |
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JP2010-090930 | 2010-04-09 | ||
JP2010090930 | 2010-04-09 | ||
JP2010129420A JP2011230111A (ja) | 2010-04-09 | 2010-06-04 | フィルタエレメント、フィルタ装置 |
JP2010-129420 | 2010-06-04 |
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Cited By (7)
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EP2784298A1 (de) * | 2013-03-25 | 2014-10-01 | Ingo Platthoff | Öl- oder Kraftstofffilteranlage |
WO2016066411A1 (de) * | 2014-10-30 | 2016-05-06 | Mann+Hummel Gmbh | Koaleszenzelement und filterelement mit einem koaleszenzelement |
EP3147016A1 (en) * | 2015-09-22 | 2017-03-29 | Caterpillar Inc. | Filter element and filter assembly for separating fluids |
WO2018188905A1 (de) * | 2017-04-12 | 2018-10-18 | Hydac Process Technology Gmbh | Vorrichtung zum behandeln von fluid |
WO2019245749A1 (en) * | 2018-06-21 | 2019-12-26 | Donaldson Company, Inc. | Filter with inner container arrangement |
WO2021071825A1 (en) | 2019-10-11 | 2021-04-15 | Cummins Filtration Inc. | Cartridge endplate with integrated sealing and removal feature |
WO2022212340A1 (en) * | 2021-03-30 | 2022-10-06 | Donaldson Company, Inc. | Bowl filter cartridge arrangement having trap and methods |
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JP6111008B2 (ja) * | 2012-12-01 | 2017-04-05 | 日本濾過器株式会社 | フィルタ |
JP6232707B2 (ja) * | 2013-02-11 | 2017-11-22 | 京三電機株式会社 | 水分捕集器およびそれを備える燃料フィルタ装置 |
JP6659233B2 (ja) * | 2015-04-22 | 2020-03-04 | ヤマシンフィルタ株式会社 | フィルタエレメント及びフィルタ装置 |
JP6624819B2 (ja) * | 2015-06-18 | 2019-12-25 | ヤマシンフィルタ株式会社 | リターンフィルタ |
WO2017110542A1 (ja) * | 2015-12-22 | 2017-06-29 | 京三電機株式会社 | 水分離器、フィルタ、および燃料フィルタ装置 |
JP2017115858A (ja) * | 2015-12-22 | 2017-06-29 | 京三電機株式会社 | 水分離器、フィルタ、および燃料フィルタ装置 |
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WO2014154664A1 (de) * | 2013-03-25 | 2014-10-02 | Ingo Platthoff | Öl- und kraftstofffilteranlage |
EP2784298A1 (de) * | 2013-03-25 | 2014-10-01 | Ingo Platthoff | Öl- oder Kraftstofffilteranlage |
WO2016066411A1 (de) * | 2014-10-30 | 2016-05-06 | Mann+Hummel Gmbh | Koaleszenzelement und filterelement mit einem koaleszenzelement |
EP3147016A1 (en) * | 2015-09-22 | 2017-03-29 | Caterpillar Inc. | Filter element and filter assembly for separating fluids |
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WO2021071825A1 (en) | 2019-10-11 | 2021-04-15 | Cummins Filtration Inc. | Cartridge endplate with integrated sealing and removal feature |
EP4041428A4 (en) * | 2019-10-11 | 2023-06-07 | Cummins Filtration Inc. | CARTRIDGE END PLATE WITH INTEGRATED SEAL AND REMOVAL FEATURE |
WO2022212340A1 (en) * | 2021-03-30 | 2022-10-06 | Donaldson Company, Inc. | Bowl filter cartridge arrangement having trap and methods |
Also Published As
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JP2011230111A (ja) | 2011-11-17 |
CN102834153A (zh) | 2012-12-19 |
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