A filter apparatus consists of a combination of various filter elements combined to form a structural unit, one filter element of these filter elements serving to clean of particles and another filter element to clean oil oxidation products from a fluid stream, the filter elements being mounted in parallel to each other for the respective cleaning of the fluid stream.
B01D 29/58 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
B01D 39/18 - Other self-supporting filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
2.
Filter Device Together with a Filter Element Which Can Be Accommodated Therein, and Method for Operating Such a Filter Element Together with a Device
The invention relates to a filter device, comprising a filter housing (10), which has an inlet (12) for unfiltered medium and an outlet (14) for filtered medium and which accommodates an exchangeable filter element (16). When unfiltered medium flows through said filter element from the outside in, it flows through both a hollow cylindrical element material (18) and an element material (22) which closes the hollow cylinder (18) at one free end (20) of the hollow cylinder. At the other free end (24) of the hollow cylinder, an element cap (26) having a central opening (28) is used to discharge filtered medium to the outlet (14) in the filter housing (10), the outlet being connected to the central opening (28). Each element material (18, 22) is accommodated seal-free in the filter housing (10) for incident flow on all sides, from the outside in.
B01D 29/41 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type mounted transversely on the tube
B01D 29/33 - Self-supporting filtering elements arranged for inward flow filtration
B01D 39/18 - Other self-supporting filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
The invention relates to a filter apparatus comprising: a filter housing (10) at least consisting of one housing part (12) and an additional housing part (14), which accommodates a filter element (16) and is releasably connected to the one housing part (12); and a valve device (18), which, with increasing separation of the two housing parts (12, 14) from one another, rapidly cuts off a fluid path (20) between one connection point (22) in the filter housing for the feeding of unfiltered medium from an additional connection point (24) in the filter housing (10) for the discharging of filtered medium and, in the event of a connection of the two housing parts (12, 14) to one another, rapidly opens the intended fluid path (20) again, characterized in that the valve device (18) has a valve slide (26), which can be moved longitudinally at least in one of the housing parts (12) and which shifts, under the influence of the particular installation situation for the filter element (16), from an open position in which the valve slide opens the fluid path (20) into a position in which the valve slide blocks the fluid path (20) and vice versa.
A filter apparatus consists of a combination of various filter elements (10, 12) combined to form a structural unit, one filter element (10) of these filter elements serving to clean off particles and another filter element (12) to clean oil oxidation products from a fluid stream, the filter elements (10, 12) being mounted in parallel to each other for the respective cleaning of the fluid stream.
B01D 25/00 - Filters formed by clamping together several filtering elements or parts of such elements
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
B01D 29/54 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
5.
FILTER DEVICE TOGETHER WITH A FILTER ELEMENT WHICH CAN BE ACCOMMODATED THEREIN, AND METHOD FOR OPERATING A FILTER ELEMENT OF THIS TYPE TOGETHER WITH A DEVICE
The invention relates to a filter device, comprising a filter housing (10), which has an inlet (12) for unfiltered medium and an outlet (14) for filtered medium and which accommodates an exchangeable filter element (16). When unfiltered medium flows through said filter element from the outside in, it flows through both a hollow cylindrical element material (18) and an element material (22) which closes the hollow cylinder (18) at one free end (20) of the hollow cylinder. At the other free end (24) of the hollow cylinder, an element cap (26) having a central opening (28) is used to discharge filtered medium to the outlet (14) in the filter housing (10), the outlet being connected to the central opening (28). Each element material (18, 22) is accommodated seal-free in the filter housing (10) for incident flow on all sides, from the outside in.
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
B01D 29/33 - Self-supporting filtering elements arranged for inward flow filtration
B01D 29/41 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type mounted transversely on the tube
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
A filter apparatus, in particular for the filtration of hydraulic media, includes a filter housing (4) and a filter element (30) arranged in the filter housing, Air present in the filter housing (4) can be removed from the housing by suction by a degassing device (52) that generates a negative pressure.
B01D 29/15 - Supported filter elements arranged for inward flow filtration
B01D 29/92 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices for discharging filtrate
7.
Filter device for the filtration of gases contaminated with particles
A filter device is for the filtration of gases contaminated with particles, such as welding gases, in particular produced in manufacturing processes using 3D printers in a production room (52). The filter device has a filter circuit having at least one filter element (55, 56), which filters the particles from the gas. At least a part of those particles get from this filter element (55, 56) into an assignable receptacle (59). The particles within a back-flushing process get into the respective receptacle (59). At least one further filter circuit has at least one further filter element (NF1, NF2 that filters a fluid having the particles obtained at the back-flushing process.
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D 50/00 - Combinations of methods or devices for separating particles from gases or vapours
B01D 36/02 - Combinations of filters of different kinds
B01D 46/58 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
B01D 46/71 - Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
B01D 46/72 - Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
B01D 46/70 - Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
A delivery device for the fuel of an internal combustion engine has a fuel tank (4) from which at least one fuel pump (14, 18) delivers fuel via a fuel supply line (10) and via at least one fuel filter (12, 16) to a fuel consumer (2). The consumer (2) is connected to the fuel tank (4) via a fuel return line (20). A control device (24) is connected between the supply line (10) and the return line (20). The control device establishes a fuel-conveying connection (80) between the return line (20) and the supply line (10) when the temperature in the fuel tank (4) falls below a predeterminable threshold temperature and at a predeterminable threshold pressure in the return line (20).
F02M 37/32 - 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
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
9.
FILTER DEVICE FOR FILTRATION OF GASES LOADED WITH PARTICLES
A filter device for the filtration of gases, such as welding gases, loaded with particles, which gases arise in particular during manufacturing processes using 3D printers in a production chamber (52), having a filter circuit with at least one filter element (55, 56), which filters the particles out of the gas, at least some of said particles passing from said filter element (55, 56) into an assignable receiving container (59), is characterised in that the particles pass into the relevant receiving container (59) during a backflushing process, and in that at least one further filter circuit with at least one further filter element (NF1, NF2) is provided and filters a fluid that comprises the particles obtained from the backflushing process.
B01D 36/02 - Combinations of filters of different kinds
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B29C 64/00 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10.
DELIVERY DEVICE FOR THE FUEL OF AN INTERNAL COMBUSTION ENGINE
The invention relates to a delivery device for the fuel of an internal combustion engine, having a fuel tank (4), from which at least one fuel pump (14, 18) conveys fuel to a fuel consumer (2) via a fuel supply line (10) and via at least one fuel filter (12, 16), said fuel consumer (2) being connected to the fuel tank (4) via a fuel return line (20), characterized in that a control apparatus (24) is connected between the supply line (10) and the return line (20), which, upon the temperature in the fuel tank (4) falling below a definable threshold and at a definable threshold pressure in the return line (20), establishes a fuel-delivering connection (80) between the return line (20) and the supply line (10).
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
F02M 37/22 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
F02B 3/06 - Engines characterised by air compression and subsequent fuel addition with compression ignition
F02M 63/02 - Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injectorFuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectorsFuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
The invention relates to a filter element, in particular a diesel filter element, for separating water from fluids, such as diesel fuel, comprising a coalescing filter jacket, through which flow passes from outside to inside during filtration, and comprising a barrier (44), which catches coalesced water drops and leads said water drops out of the filter element, characterized in that the filter jacket is at least partly supported, at the inner periphery thereof, on a support tube (10) and that the barrier is formed by a screen structure (44), which is integrally integrated into the support tube (10).
B01D 17/00 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
F02M 37/22 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
The invention relates to a device for replacing an, in particular used, old filter element (3) at least partly accommodated in a housing pot (1) with an, in particular new, filter element (3), preferably of the same design, intended to be inserted into said housing pot (1), each filter element (3) having a filter material (5) extending between two end caps (7, 9), of which one end cap (7) has a handle (37) for inserting the respective filter element (3) into the housing pot (1) into a functional position, characterized in that a control unit (27) is provided at the free end of the housing part (1), which control unit interacts with at least one control means (43) present on the end cap (7) having the handle (37) in such a way that, when the respective filter element (3) is rotated by means of the handle (37) in a direction out of a fixing position in the housing pot (1), an axial withdrawal force acts on said filter element (3), which, at least to some extent, effects the lifting of the filter element (3) out of the housing pot (1).
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor in which the filtering elements are moved between filtering operationsParticular measures for removing or replacing the filtering elementsTransport systems for filters
The invention relates to a device for replacing an old filter element (5), which in particular is used and is at least partly held in a filter housing (1), with a new filter element (5), which in particular is unused and should be inserted into said filter housing (1) as a replacement, which new filter element is provided with a coupling apparatus (43; 57), which forms a releasable coupling with a further coupling apparatus (33; 53) on the old filter element (5), which coupling, in the coupled state, allows the old filter element (5) to be brought out of the filter housing (1) by means of the new filter element (5).
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor in which the filtering elements are moved between filtering operationsParticular measures for removing or replacing the filtering elementsTransport systems for filters
A filter device usable with diesel fuels, includes a filter element (19) exchangeably accommodated in a filter housing. A fluid pump device (46) having two pump chambers (45, 49) is part of the filter device. The pump chambers, by a pump piston (51) guided in the chambers in a longitudinally movable manner, are separated from each other fluid-tight at least in one of the two directions of movement of the pump piston. Each pump chamber (45, 49) is assigned a valve (39, 63) opening or closing oppositely to the other valve (39, 63) when the pump device (46) is actuated.
F02M 37/44 - Filters structurally associated with pumps
B01D 36/00 - Filter circuits or combinations of filters with other separating devices
F02M 37/16 - Feeding by means of driven pumps characterised by provision of personally-, e.g. manually-, operated pumps
F02M 37/22 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
B01D 35/157 - Flow control valvesDamping or calibrated passages
15.
METHOD FOR FILTRATION OF GASES LOADED WITH PARTICLES, AND FILTER DEVICE FOR CARRYING OUT SUCH A METHOD
A method for filtration of fumes produced in the context of selective production methods in a production chamber (2), such as welding fumes of 3D printers, having the following steps: guiding the fumes from the production chamber (2) to the raw gas inlet (18) of a filter housing (20) which accommodates at least one filter element (54; 80), the filter material (56) of which separates, during a filtration procedure, the raw gas inlet (18) from a clean gas outlet (50); establishing a flow through the filter material (56) and discharging the gas via the clean gas outlet (50) and regenerating the filter element (54; 80) by moving the filter element in order to dislodge particles accumulated on the incident flow side of the filter material (56).
1. Filter apparatus. 2. The invention relates to a filter apparatus, in particular for the filtration of hydraulic media, comprising a filter housing (4) and a filter element (30) arranged therein, characterized in that air present in the filter housing (4) can be removed therefrom by suction by means of a degassing device (52) that generates a negative pressure.
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
B01D 29/92 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices for discharging filtrate
A filter device has a filter housing (2, 4) accommodating a filter element (16) separating an unfiltered substance chamber (26) from a filtrate chamber (20) within the filter housing (2, 4). The filter element (16) is sealed against the filter housing (2, 4) by a sealing device (36, 40). The filter element (16) is mounted inside the filter housing (2, 4) using movable bearings (32, 38).
A filter device for filtering fluids such as fuels, including diesel fuel, has a filter housing (1), within which a filter element (17) can be fastened and exchanged. The filter element has a filter medium that surrounds an inner filter cavity (25). A fluid inlet leads to the unfiltered side (27) of the filter element (17). A fluid outlet outflows filtered fluid from the filtered side (25). An equalizing tube (49) extends in the filter housing (1) up to a maximum filling level height for the filtration operation. The equalizing tube is connected to a tank return connection at a lower end of the equalizing tube and is open at an upper end (51) of the equalizing tube. The tube (49) has, at distances from the upper and lower ends of the tube, an inner control part (60) with a passage opening (61) forming a throttle point.
The invention relates to a filter device, in particular provided for use with diesel fuels, comprising a filter element (19) that can be exchangeably accommodated in a filter housing, which filter device is characterized in that a fluid pump device (46) having two pump chambers (45, 49) is present as part of the filter device, which pump chambers, by means of a pump piston (51) guided in said chambers in a longitudinally movable manner, are separated from each other in a fluid-tight manner at least in one of the two directions of movement of the pump piston, and that each pump chamber (45, 49) is assigned a valve (39, 63), which opens or closes oppositely to the other valve (39, 63) when the pump device (46) is actuated.
B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
B01D 36/00 - Filter circuits or combinations of filters with other separating devices
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
F02M 37/16 - Feeding by means of driven pumps characterised by provision of personally-, e.g. manually-, operated pumps
F02M 37/22 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
A method adapts a filter medium to predefinable parameters, such as electrostatic charge, flow-rate behavior, dynamic pressure behavior or differential pressure behavior, fraction filtration efficiency and preservation of a constant quantity and quality of fluid additives. At least one of these parameters is adapted by the targeted influencing of the surface energy of the filter medium (18).
B01D 39/20 - Other self-supporting filtering material of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires
B01D 29/00 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor
The invention relates to a filter device for filtering fluids such as fuels, including diesel fuel, comprising: a filter housing (1), within which a filter element (17) can be fastened in such a way that the filter element can be exchanged, which filter element has a filter medium that surrounds an inner filter cavity (25); a fluid inlet (21) leading to the unfiltered side (27) of the filter element (17); a fluid outlet (9) for the outflow of filtered fluid from the filtered side (25); and a tank return connection (13). Said filter device is characterized in that an equalizing tube (49), which extends in the filter housing (1) up to a maximum filling level height provided for the filtration operation, which equalizing tube is connected to the tank return connection (13) at a lower end of the equalizing tube and is open at an upper end (51) of the equalizing tube, and that the tube (49) has, at a location that is located at a distance from the upper and lower end of the tube, an inner control part (60), in which a passage opening (61) is located, which forms a throttle point.
A filter device comprises a filter housing (2, 4) accommodating a filter element (16) which separates an unfiltered substance chamber (26) from a filtrate chamber (20) within the filter housing (2, 4). The filter element (16) is sealed against the filter housing (2, 4) by a sealing device (36, 40). The disclosed filter device is characterized in that the filter element (16) is mounted inside the filter housing (2, 4) using movable bearings (32, 38).
The invention relates to a method for adapting a filter medium to predefinable parameters, such as electrostatic charge, flow-rate behaviour, dynamic pressure behaviour or differential pressure behaviour, fraction filtration efficiency and preservation of a constant quantity and quality of fluid additives. Said method is characterised in that at least one of the aforementioned parameters is adapted by the targeted influencing of the surface energy of the filter medium (18).
A filter element, in particular for treating fluids in the form of diesel fuel, comprising a filter medium (14) through which the fluid can flow, is characterized in that the filter medium (14) contains at least one active substance having antimicrobial properties.
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Filters, namely liquid filters, gas filters, filters and pre-filters for fuels (including biofuels), including kerosene, diesel (with and without biodiesel constituents), biodiesel and plant oil filters and pre-filters, multistage filters, changeover filters; Filter elements, namely filter candles, filter cartridges, filter bodies, filter sheets, filter mats, filter pots and filter housings, filter cloths, filter bags, filter bands; The aforesaid filters and filter elements, including being composed entirely of plastics and all being for liquid, gaseous and paste-like media and in particular for use in machines and motors and engines and vehicles of all kinds, including lorries, locomotives, ships and aeroplanes, and for stationary applications within power stations, petrol stations and in the form of emergency power generators; Filters and filter elements for fuel-conducting components of motors and engines; Fuel filters, diesel filter, Including for biodiesel and fuels containing biodiesel, tank filters, activated carbon filters, All being for motors and engines. Filters, namely liquid filters, membrane filters, gas filters, multistage filters, changeover filters for heating, steam generating, refrigerating, drying, ventilating, water supply, water treatment, air conditioning, and sanitary installations and apparatus; Filter elements, namely filter candles, filter cartridges, filter objects, filter discs, filter mats, filter pots, filter cloths, filter bags, filter bands for heating, steam-generating, refrigerating, drying, ventilating, water supply, water treatment, air conditioning and sanitary installations and apparatus; The aforesaid filters and filter elements, including being composed entirely of plastics and all being for liquid, gaseous and paste-like media, components for the aforesaid filters, including filter membranes and filter cloth. Filters and filter elements for fuel-conducting components for drive units, including drives, couplings, hybrid drives for land, air and water vehicles; Fuel filters, diesel filters, including for biodiesel and fuels containing biodiesel, tank filters, active carbon filters, all being other than for motors and engines; Separating devices, including coalescence elements, absorbing and adsorbing devices being parts of vehicles. Filter elements and components thereof, including pleated and wound filter materials, including in the form of matting; End caps and support bodies, and holders for receiving the filter elements from the associated filter housings; Fuel-conducting components in the form of flexible pipes and conduits, not of metal; All the aforesaid goods being made from plastics materials or containing plastics materials.
