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公开(公告)号：US20200038787A1
公开(公告)日：2020-02-06
申请号：US16339765
申请日：2017-10-09
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： Bernhard SCHLICHTER , Joerg Hermann GERSTNER , Manfred DEUTSCHMEYER
Abstract: A filter device having a filter housing (1) with a fluid inlet (13) for raw fluid and with a fluid outlet (3) for filtrate and with at least one one-piece or multi-piece filter insert (5, 7) which is received in the filter housing (1) and can be cleaned using at least one backflushing member (21) in counter-current to the filtration direction, which member can, by means of a fluid-guiding driveshaft (23) of a rotary drive (35), be moved along the inner side (19) of the respective filter insert (5, 7) and has, at its end adjacent to this inner side (19), a gap-shaped passage opening (39) that runs parallel to the axis of rotation of the driveshaft (23) and discharges into a flow space (41; 57; 67) fluidically connected to the driveshaft (23), which space at least partially continuously nar¬rows in the direction of the driveshaft (23) in a first plane in which the passage opening (39) lies, is characterized in that, in another second plane transverse to the first plane, the flow space (41; 57; 67) at least partially continuously widens proceeding from the passage opening (39) in the direction of the driveshaft (23).
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公开(公告)号：US10537834B2
公开(公告)日：2020-01-21
申请号：US15777706
申请日：2016-10-28
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： Ralf Wnuk , Markus Olschok , Christian Schindler
Abstract: A filter apparatus has a plurality of filter elements (21) accommodated in a filter housing (1) with a filter inlet (11) and a filter outlet (13). During the operation one of the filter elements (21) can be backflushed by a backflushing device. The backflushing device includes a pressure control (7) to support the backflushing. Each filter elements (21) is accommodated in an element housing (30). The element housings (30) with the filter elements (21) performing the filtration process are connected to the fluid outlet (13) by their one open ends (33) in a fluid conducting manner. The element housing (30) of the filter element (21) being backflushed is exclusively connected with its open end (33) to the pressure control device (7).
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公开(公告)号：US20190381429A1
公开(公告)日：2019-12-19
申请号：US16480376
申请日：2018-04-27
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： Ralf WNUK , Thomas BOETTCHER
Abstract: The invention relates to a filter apparatus (10) comprising a plurality of filter elements (20) which can be received in a filter housing (12) having a filter inlet (50) for a fluid to be filtered and a filter outlet (52) for the filtered fluid, characterised in that a pressure control device (42) has at least one control plate (58) which, located inside a connection chamber (14), laterally passes over individual upper ele¬ment openings (54) of the filter element to be backwashed (20), in a predefinable se¬quence, covering the opening to an increasing degree and then exposing the opening again, and in that a discharge opening (46) of the backwash device (44) is, at least in part, fluidically connected to a lower element opening (56) of the filter element (20) to be backwashed, as the pressure control device (42) moves towards the upper element opening (54).
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公开(公告)号：US20190240600A1
公开(公告)日：2019-08-08
申请号：US16339041
申请日：2017-10-09
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： Hans-Juergen LINGEN , Stefan KLEIN , Raphael KLEIN , Markus BREINIG
IPC: B01D29/23 , B01D29/54 , B01D29/68 , B01D35/00 , B01D35/147
CPC classification number: B01D29/232 , B01D29/54 , B01D29/682 , B01D29/688 , B01D35/005 , B01D35/147 , B01D2201/082
Abstract: The invention relates to a filter device, in particular for lubri¬cating oil filtration, comprising at least two filter inserts (27), in each of which a filter material (43) is accommodated, which are provided with fluid passage points (37, 39) and can be stacked on top of one another with the formation of a stack, and further comprising a back-flushing device (55,57) which is movably arranged along the inner side of the filter inserts (27). The invention is characterized in that the individual filter inserts (27) are designed as identical parts at least with respect to their housings.
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公开(公告)号：US20240382875A1
公开(公告)日：2024-11-21
申请号：US18686192
申请日：2022-06-07
Applicant: HYDAC Process Technology GmbH
Inventor： Hans-Jürgen Lingen
Abstract: Filter apparatus, consisting of at least—a filter (14), which is divided into individual filter segments,—a cleaning device (19), which has, associated with each filter segment, a partial cleaning unit (20, 21, 22), which can be moved along the cleaning device and which cooperates with a removal device (23), and—a control device (40), which activates at least one partial cleaning unit for cleaning, whereas at least one further partial cleaning unit remains inactive during this cleaning, wherein the control device (40) has a coupling device, which in one position of the coupling device, connects the cleaning device (19) to the discharge device (23) for a common rotary movement and, in another position of the coupling device, separates them from one another.
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Patent Agency Ranking
公开(公告)号：US11266928B2
公开(公告)日：2022-03-08
申请号：US16339041
申请日：2017-10-09
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： Hans-Juergen Lingen , Stefan Klein , Raphael Klein , Markus Breinig
Abstract: A filter device, in particular for lubricating oil filtration, includes at least two filter inserts (27), in each of which a filter material (43) is accommodated. The filter inserts are provided with fluid passage points (37, 39) and can be stacked on top of one another with the formation of a stack. A back-flushing device (55,57) is movably arranged along the inner side of the filter inserts (27). The individual filter inserts (27) are designed as identical parts at least with respect to their housings.
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公开(公告)号：US20210354061A1
公开(公告)日：2021-11-18
申请号：US17280959
申请日：2019-09-25
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： Ralf WNUK , Hans-Josef SCHMIDT , Pascal Eric VITTE
Abstract: A filter device for fluids, having a filter housing (1), in which element receptacles (31) for a plurality of filter elements (33) are provided, the filter medium (35) of which separates in the filter housing (1) a dirt side (5) from a clean side (7), wherein the filter housing (1) can be opened for inserting and removing the filter elements (33), and wherein for the filter elements (33) a support in the manner of a basket (19) is provided, which can be inserted into the filter housing (1) and removed from the filter housing (1) and to which the filter elements (33) can be detachably fixed, is characterized in that the filter elements (33) have in addition to the filter medium (35) for particle filtration an adsorption medium (36).
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公开(公告)号：US20210260498A1
公开(公告)日：2021-08-26
申请号：US17049378
申请日：2019-05-13
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： Markus OLSCHOK , Christian SCHINDLER , Manuel HUBER
Abstract: A phase separation device having a device housing (2) accommodating at least one coalescer element (42), wherein said device housing (2) has an inlet (38) for the supply of an emulsion, which flows through the respective coalescer element (42) for separation into at least two of its constituents; an outlet (46) for a separated constituent; and a further outlet (22, 64) for a further separated constituent having a lower density than the one constituent and floating on the latter.
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公开(公告)号：US11020692B2
公开(公告)日：2021-06-01
申请号：US15545403
申请日：2016-02-24
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： Markus Breinig , Sebastian Hrin , Hans-Juergen Lingen
Abstract: A system for filtering fluids includes a primary filter (2) having at least one filter element that can be penetrated in one direction during the filtration process and can be penetrated in the opposite direction for a backflushing process. An aftertreatment device (36) is mounted downstream of the primary filter (2) for the backflushed quantities discharged by the primary filter to be processed and includes at least one filter chamber (11) that holds the backflushed quantities and that has a fluid inlet, a fluid outlet and at least one aftertreatment filter element (19). A control device (9) delivers one portion of the backflushed quantity at a time to the associated aftertreatment filter element (19).
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公开(公告)号：US10981092B2
公开(公告)日：2021-04-20
申请号：US16478893
申请日：2018-02-27
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： Hans-Juergen Lingen , Stefan Klein , Raphael Klein , Sebastian Hrin
Abstract: The invention relates to a filter device, in particular for filtering lubrication, consisting of at least one filter insert (19), in which a respective filter material (27) is received and which is provided with fluid passage points (70) that are delimited by wall parts (63) of the filter insert (19) and with a backflush device (37, 49) that has at least one flush nozzle (49), said flush nozzle being movable along the interior of the respective pairable filter insert (19) by means of a hollow drive shaft (37). The invention is characterized in that at least one pair of flush nozzles (49) is provided for each filter insert (19, 21), said flush nozzles having longitudinal slots (73, 74) which are arranged one over the other in the axial direction of the drive shaft (37), wherein the longitudinal slots have an offset relative to one another which runs transversely to the axial direction such that for adjacent flush nozzles (49), at least one part of the longitudinal slot (73) of one flush nozzle (49) overlaps with at least one of the fluid passage points (70) of the pairable filter insert (19, 21) and at least one part of the longitudinal slot (74) of the other flush nozzle (49) at least partly overlaps with the wall parts (63) which delimit the aforementioned fluid passage point of the filter insert (19, 21).
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