Patents by Inventor Micha Kreibig
Micha Kreibig has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10639569Abstract: 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.Type: GrantFiled: September 22, 2016Date of Patent: May 5, 2020Assignee: HYDAC FLUIDCARECENTER GMBHInventors: Thomas Scholl, Micha Kreibig
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Patent number: 10478761Abstract: 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).Type: GrantFiled: May 15, 2015Date of Patent: November 19, 2019Assignee: HYDAC FLUIDCARECENTER GMBHInventor: Micha Kreibig
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Patent number: 10166496Abstract: A filter device, in particular for fluids polluted with admixtures of water, such as diesel oil, includes a filter housing (1) having a fluid inlet (43), a fluid outlet (44) and a filter element (9). During the filtering process, the fluid can flow through the filter medium (11) of the filter element from the unfiltered side (14) to the filtered side (13) of the filter medium and into its inner filter cavity (17). On at least one side of the filter medium (11), a water-separating system (23) has a separating region (25) for separated water. The water separating system is connected via at least one water opening (35) that is open toward the separating region (25) to a water collecting chamber (45). The filter element (9) has a passage (29) forming a fluid connection to the inner filter cavity (17) and can be connected to an element receptacle (47) of the filter housing (1). A fluid-conveying system (41) forms fluid paths separated from each other.Type: GrantFiled: September 10, 2015Date of Patent: January 1, 2019Assignee: HYDAC FILTERTECHNIK GMBHInventors: Richard Eberle, Micha Kreibig, Markus Dewes
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Patent number: 10080984Abstract: 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.Type: GrantFiled: April 18, 2015Date of Patent: September 25, 2018Assignee: HYDAC FLUIDCARECENTER GMBHInventors: Richard Eberle, Micha Kreibig
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Publication number: 20180243670Abstract: 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.Type: ApplicationFiled: September 22, 2016Publication date: August 30, 2018Inventors: Thomas SCHOLL, Micha KREIBIG
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Patent number: 9962639Abstract: A filter element has a mat-type or sheet-type filter web (3) forming by its outside (5) at least in part a filter jacket (7). Along the outside (5) of the filter jacket (7), a surface configuration or modification takes place with structures (11) being delimited from the remaining surface (9) of the filter web (3), being joined to the filter jacket (7) and being of presettable contour and/or thickness. The structures (11) are generated by spray-fiber application and shaping, in such a manner that in time sequence, first the structures (11) and then the filter jacket (7), or in reverse order in time sequence, first the filter jacket (7) and then the structures (11), or that simultaneously both the filter jacket (7) and the structures (11) are formed in negative or positive shape on the filter jacket (7). The production of the filter element and a shaping device used in this production process are disclosed.Type: GrantFiled: January 17, 2012Date of Patent: May 8, 2018Assignee: HYDAC FILTERTECHNIK GMBHInventor: Micha Kreibig
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Patent number: 9919246Abstract: A filter device for fluids with a fluid inlet (14) and a fluid outlet (24). A filter element (9) is enclosed by an end cap (21) on its lower end facing a bottom part (5) of the filter housing (1). The end cap has a passage (29) forming a fluid connection to the filter element inner filter cavity (17) and can be fixed to an element retainer (23) of the filter housing (1). The element retainer (23) includes a retaining piece (35) open towards the filter element (9) with a fluid channel (37) leading to a housing connection (24). The end cap (21) has a connecting piece (27) in the retaining piece (35). The retaining piece (35) forms an opening (43) connected to the fluid channel (37) leading to the element retainer (23). A sealing (45, 47) seals the opening from the open end of the retaining piece.Type: GrantFiled: March 8, 2016Date of Patent: March 20, 2018Assignee: HYDAC FILTERTECHNIK GMBHInventors: Richard Eberle, Micha Kreibig
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Patent number: 9751030Abstract: A filter, in particular for fluids polluted by admixtures of water, such as diesel oil, includes a filter housing (1) receiving at least one filter element (9). During the filtering process, fluid can flow through the filter medium (11) from the outer unfiltered side (13) of the filter element into an inner filter cavity (17) forming the filtered side (19). A water passage (39) inside a pipe connector (35) of an end cap (23) forms a fluid path (51), which is separated from the other fluid path (55) that forms the connection between the inner filtered side (19) of the filter element (9) and a fluid outlet (37) of the housing (1) in the functional position of the filter element (9). The element receptacle (29) forms a through-passage (59) toward the water collecting chamber (31). Scaling assemblies (83, 87) located between the through-passage (59) and the pipe connection (35) of the end cap (23) delimit a connecting chamber (36) on the outside of the pipe connector (35).Type: GrantFiled: March 2, 2011Date of Patent: September 5, 2017Assignee: HYDAC FILTERTECHNIK GMBHInventors: Micha Kreibig, Richard Eberle
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Patent number: 9751031Abstract: A filter device, in particular for fluids contaminated with water admixtures, such as diesel oil, has a filter housing (1) holding at least one filter element (9). The filter medium of the filter element separates an untreated side (13) from a treated side (19) during the filtration process in the filter housing (1). A water collecting unit (5) is provided and holds separated water on the untreated side. Water separated on the untreated side (13) also reaches the collecting unit (5). Mutually separated collecting chambers (61, 67) are present in the collecting unit (5) for the water discharged at the treated side (19) and at the untreated side (13).Type: GrantFiled: November 19, 2011Date of Patent: September 5, 2017Assignee: HYDAC FILTERTECHNIK GMBHInventors: Richard Eberle, Micha Kreibig, Thomas Scholl, Markus Dewes, Sven Brall
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Publication number: 20170173503Abstract: 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).Type: ApplicationFiled: May 15, 2015Publication date: June 22, 2017Inventor: Micha KREIBIG
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Publication number: 20170087490Abstract: A filter device for filtering fluids, such as fuels, including diesel fuel, comprising a filter housing (1), inside which a filter element (17) can be fastened in an exchangeable manner, 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), is characterized in that an equalizing tube (49) is provided extending in the filter housing (1) up to a maximum filling level height provided for the filtration operation, which equalizing tube is connected at its bottom end to the tank return connection (13) and is open at its top end (51), and in that the tube (49) has, at a point located at a distance from the top and bottom end of the tube, an inner control part (60), in which a through-hole (61) is located, which forms a throttle point.Type: ApplicationFiled: April 18, 2015Publication date: March 30, 2017Inventors: Richard EBERLE, Micha KREIBIG
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Patent number: 9533244Abstract: A filter device has a filter housing having two separable housing parts (1 and 11) that can receive at least one filter element (21). The housing parts can be connected to one another by a coupling device (7). The filter element (21), or an adapter that can be connected to it, forms a functionally essential component of the coupling device (7). Only when the filter element (21) has been placed in its functional position within at least one of the housing parts (1, 11), can the housing parts (1, 11) be connected to form the filter housing of a functional filter device.Type: GrantFiled: November 13, 2014Date of Patent: January 3, 2017Assignee: HYDAC FILTERTECHNIK GMBHInventor: Micha Kreibig
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Patent number: 9440168Abstract: A filter device, in particular for fluids polluted with admixtures of water, such as diesel oil, includes a filter housing (1) having a fluid inlet (51), a fluid outlet and at least one filter element (9). During the filtering process, fluid can flow through the filter medium (11) of the filter element from the unfiltered side (13) to the filtered side (19) of the filter medium. The filtered side surrounds an inner filter cavity (17). On one side of the filter medium (11), a water-separating device (26) and a separating region (27) for separated water are present. The filter element (9) has a passage (43) that forms a fluid connection to the filter cavity (17) and at least one water opening (47) that is open toward the separating region (27). The filter element can be fixed to an element receptacle (29) of the filter housing (1) and can be connected to a water collecting chamber (33).Type: GrantFiled: March 2, 2011Date of Patent: September 13, 2016Assignee: HYDAC FILTERTECHNIK GMBHInventors: Richard Eberle, Micha Kreibig
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Publication number: 20160201622Abstract: The invention relates to a fuel supply system consisting of at least one storage tank, especially a fuel tank (10), an engine (12), preferably in the form of a common rail diesel engine, that can be operated with the fuel, an engine-pump unit (32) and a pre-supply pump (16) for supplying the engine (12) with fuel from the storage tank (10), and a filter device (28) arranged between the storage tank (10) and the engine (12). The pump (34) of the engine-pump unit (32) is mounted down-stream of the filter device (28) when seen in the flow direction of the fuel and is preferably fluidically connected to the clean side of the filter device.Type: ApplicationFiled: August 18, 2014Publication date: July 14, 2016Inventors: Micha KREIBIG, Richard EBERLE, Thomas SCHOLL
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Publication number: 20160184750Abstract: A filter device for fluids, especially for fuels such as diesel fuel, includes a filter housing (1) defining a longitudinal axis (19). The filter housing has a fluid inlet (14) and a fluid outlet (24) and can accommodate at least one filter element (9). The fluid can, during filtering, flow through a filter medium (11) surrounding an inner filter cavity. The filter element (9) is enclosed by an end cap (21) on its lower end facing the bottom part (5) of the filter housing (1). The end cap has a passage (29) forming a fluid connection to the inner filter cavity (17) and can be fixed to an element retainer (23) of the filter housing (1). The element retainer (23) includes retaining piece (35) on the bottom part (5) of the filter housing (1). The retaining piece is open towards the filter element (9) with a fluid channel (37) leading to a housing connection (24) running into it.Type: ApplicationFiled: March 8, 2016Publication date: June 30, 2016Inventors: Richard EBERLE, Micha KREIBIG
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Patent number: 9314720Abstract: A filter device for fluids, especially for fuels such as diesel fuel, includes a filter housing (1) defining a longitudinal axis (19). The filter housing has a fluid inlet (14) and a fluid outlet (24) and can accommodate at least one filter element (9). The fluid can, during filtering, flow through a filter medium (11) surrounding an inner filter cavity. The filter element (9) is enclosed by an end cap (21) on its lower end facing the bottom part (5) of the filter housing (1). The end cap has a passage (29) forming a fluid connection to the inner filter cavity (17) and can be fixed to an element retainer (23) of the filter housing (1). The element retainer (23) includes retaining piece (35) on the bottom part (5) of the filter housing (1). The retaining piece is open towards the filter element (9) with a fluid channel (37) leading to a housing connection (24) running into it.Type: GrantFiled: March 2, 2011Date of Patent: April 19, 2016Assignee: HYDAC FILTERTECHNIK GMBHInventors: Richard Eberle, Micha Kreibig
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Publication number: 20160023139Abstract: A filter device, in particular for fluids polluted with admixtures of water, such as diesel oil, includes a filter housing (1) having a fluid inlet (43), a fluid outlet (44) and a filter element (9). During the filtering process, the fluid can flow through the filter medium (11) of the filter element from the unfiltered side (14) to the filtered side (13) of the filter medium and into its inner filter cavity (17). On at least one side of the filter medium (11), a water-separating system (23) has a separating region (25) for separated water. The water separating system is connected via at least one water opening (35) that is open toward the separating region (25) to a water collecting chamber (45). The filter element (9) has a passage (29) forming a fluid connection to the inner filter cavity (17) and can be connected to an element receptacle (47) of the filter housing (1). A fluid-conveying system (41) forms fluid paths separated from each other.Type: ApplicationFiled: September 10, 2015Publication date: January 28, 2016Inventors: Richard EBERLE, Micha KREIBIG, Markus DEWES
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Patent number: 9162168Abstract: A filter device, in particular for fluids polluted with admixtures of water, such as diesel oil, includes a filter housing (1) having a fluid inlet (43), a fluid outlet (44) and a filter element (9). During the filtering process, the fluid can flow through the filter medium (11) of the filter element from the unfiltered side (14) to the filtered side (13) of the filter medium and into its inner filter cavity (17). On at least one side of the filter medium (11), a water-separating system (23) has a separating region (25) for separated water. The water separating system is connected via at least one water opening (35) that is open toward the separating region (25) to a water collecting chamber (45). The filter element (9) has a passage (29) forming a fluid connection to the inner filter cavity (17) and can be connected to an element receptacle (47) of the filter housing (1). A fluid-conveying system (41) forms fluid paths separated from each other.Type: GrantFiled: March 2, 2011Date of Patent: October 20, 2015Assignee: Hydac Filtertechnik GmbHInventors: Richard Eberle, Micha Kreibig, Markus Dewes
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Publication number: 20150144549Abstract: A filter device having a filter housing having at least two housing parts (1 and 11), which can be separated from one another in order to receive at least one filter element (21), and which can be connected to one another by means of a coupling device (7), is characterized in that the respective filter element (21), or an adapter that can be connected thereto, forms a functionally essential component of the coupling device (7) such that it is only when the filter element (21) has been placed in its functional position within at least one of the housing parts (1, 11) that the respective other housing part (1, 11) can be connected to this first housing part while forming the filter housing of a functional filter device.Type: ApplicationFiled: November 13, 2014Publication date: May 28, 2015Inventor: Micha Kreibig
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Patent number: 8865004Abstract: The invention relates to a device for purifying water contaminated with organic substances, which is drained or collected from filters, especially fuel filters or elements of a fuel system. Hydroxyl radicals are formed from the water by means of a separating device where the hydroxyl radicals oxidize the impurities, especially organic substances, as much as possible, and convert them into compounds such as CO2.Type: GrantFiled: April 23, 2010Date of Patent: October 21, 2014Assignee: Hydac Filtertechnik GmbHInventors: Richard Eberle, Micha Kreibig, Markus Dewes