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公开(公告)号：DE102009049712A1
公开(公告)日：2011-04-21
申请号：DE102009049712
申请日：2009-10-17
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： WNUK RALF , WINTER MARTIN
Abstract: Eine Filtervorrichtung, insbesondere für Fluide wie Hydrauliköl, Schmiermedien, Prozess-, Oberflächen- oder Seewasser, mit zumindest einem Filterelement (3), das zumindest eine wirksame Filterfläche (23) aufweist, die geeignet ist, Verschmutzungen aus einem die Filterfläche durchquerenden Medienstrom aufzunehmen, ist dadurch gekennzeichnet, dass eine wirksame Filterfläche als flexibler Filterstrumpf (23) ausgebildet ist, der auf einen Stützkörper (13) des Filterelementes (3) aufziehbar ist.
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公开(公告)号：AT267042T
公开(公告)日：2004-06-15
申请号：AT98104427
申请日：1998-03-12
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
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公开(公告)号：DE10220273A1
公开(公告)日：2003-11-27
申请号：DE10220273
申请日：2002-05-07
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： WNUK RALF , WINTER MARTIN , LANG NORBERT
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公开(公告)号：DE59904997D1
公开(公告)日：2003-05-15
申请号：DE59904997
申请日：1999-08-26
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： WINTER MARTIN , WNUK RALF , LANG NORBERT , HAUSDORF JUERGEN
Abstract: A method for producing a sealing connection between a filter mat of a tubular filter element and a metallic head piece encircling the filter element at one end. The head piece has an annular groove accommodating the edge of the filter mat. In order to reduce the internal diameter of the annular groove, the wall adjacent to the periphery is compressed by the periphery of the head piece towards the interior by applying a force of pressure which is directed radially towards the interior. The wall of the annular groove adjacent to the periphery is provided with an enlargement which enlarges the diameter of the head piece. The force of pressure for compressing the wall is applied in the area of said enlargement.
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公开(公告)号：AT236698T
公开(公告)日：2003-04-15
申请号：AT99944521
申请日：1999-08-26
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： WINTER MARTIN , WNUK RALF , LANG NORBERT , HAUSDORF JUERGEN
Abstract: A method for producing a sealing connection between a filter mat of a tubular filter element and a metallic head piece encircling the filter element at one end. The head piece has an annular groove accommodating the edge of the filter mat. In order to reduce the internal diameter of the annular groove, the wall adjacent to the periphery is compressed by the periphery of the head piece towards the interior by applying a force of pressure which is directed radially towards the interior. The wall of the annular groove adjacent to the periphery is provided with an enlargement which enlarges the diameter of the head piece. The force of pressure for compressing the wall is applied in the area of said enlargement.
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Patent Agency Ranking
公开(公告)号：DE102019006765A1
公开(公告)日：2021-04-01
申请号：DE102019006765
申请日：2019-09-28
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： SCHLICHTER BERNHARD , WINTER MARTIN
Abstract: 1. Verfahren zum Herstellen eines mehrlagigen Filtermediums sowie ein nach diesem Verfahren hergestelltes Filtermedium.2. Verfahren zum Herstellen eines mehrlagigen Filtermediums, mit mindestens den folgenden Herstellschritten:- Bereitstellen einer Gewebelage (12), die Durchlassstellen (24) für Fluid aufweist;- Bereitstellen einer aus einem Spinnvlies (18) bestehenden Vlieslage, die weitere Durchlassstellen (28) für Fluid aufweist; und- Verbinden der beiden aufeinandergelegten Lagen (12, 18) entlang von Kontaktstellen (30) durch Aufschmelzen der Vlieslage (18) derart, dass das aufgeschmolzene Spinnvliesmaterial unter Vergrößerung der weiteren Durchlassstellen (28) zumindest teilweise zu den Kontaktstellen läuft und an diesen kumuliert anschließend aushärtend feste Verbindungsstellen zwischen den beiden Lagen (12, 18) erzeugt werden.
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公开(公告)号：DE50313537D1
公开(公告)日：2011-04-28
申请号：DE50313537
申请日：2003-04-08
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： WNUK RALF DR , WINTER MARTIN , LANG NORBERT
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公开(公告)号：DE19845145A1
公开(公告)日：2000-04-06
申请号：DE19845145
申请日：1998-10-01
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： WINTER MARTIN , WNUK RALF , LANG NORBERT , HAUSDORF JUERGEN
Abstract: The invention relates to a method for producing a sealing connection between a filter mat (5) of a tubular filter element and a metallic head piece (1) encircling said filter element at one end. Said head piece comprises an annular groove (7) accommodating the edge (3) of the filter mat (5). In order to reduce the internal diameter of the annular groove (7), the wall (9) adjacent to the periphery is compressed by the periphery of the head piece (1) towards the interior by applying a force of pressure which is directed radially towards the interior. The wall (9) of the annular groove (7) adjacent to the periphery is provided with an enlargement (27) which enlarges the diameter of the head piece (1). The force of pressure for compressing the wall is applied in the area of said enlargement (27).
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公开(公告)号：CA2777614A1
公开(公告)日：2011-04-21
申请号：CA2777614
申请日：2010-09-14
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： WNUK RALF , WINTER MARTIN
IPC: B01D29/11
Abstract: The invention relates to a filter device, in particular for fluids such as hydraulic oil, lubricating media, processing, surface or sea water, having at least one filter element (3) that has at least one effective filter surface (23), which is suitable for removing contaminants from a media flow crossing the filter surface, wherein an effective filter surface is designed as a flexible filter sock (23) that can be pulled onto a support body (13) of the filter element (3). The invention is characterized in that the filter sock (23), while enlarging the effective filter surface thereof, is designed to be longer in the axial direction of the filter element (3) such that the effective filter surface lies in folds upon pulling the filter sock (23) over the support body (13).
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公开(公告)号：TR200100877T2
公开(公告)日：2001-10-22
申请号：TR200100877
申请日：1999-08-26
Applicant: HYDAC PROCESS TECHNOLOGY GMBH
Inventor： WINTER MARTIN , WNUK RALF , LANG NOBERT , HAUSDORF JUERGEN
Abstract: A method for producing a sealing connection between a filter mat of a tubular filter element and a metallic head piece encircling the filter element at one end. The head piece has an annular groove accommodating the edge of the filter mat. In order to reduce the internal diameter of the annular groove, the wall adjacent to the periphery is compressed by the periphery of the head piece towards the interior by applying a force of pressure which is directed radially towards the interior. The wall of the annular groove adjacent to the periphery is provided with an enlargement which enlarges the diameter of the head piece. The force of pressure for compressing the wall is applied in the area of said enlargement.
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