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1. 发明授权

US11351485B2 Round filter element of a filter for urea-water solution and filter 有权
公开(公告)号：US11351485B2
公开(公告)日：2022-06-07
申请号：US16893089
申请日：2020-06-04
申请人： MANN+HUMMEL GmbH
发明人： Christian Kocksch , Christopher Banks , Bastian Mueller
IPC分类号： B01D29/23 , B01D29/92 , C02F1/00 , C02F101/30 , C02F101/16
摘要： A round filter element of a filter for a urea-water solution has a filter bellows with a filter medium that continuously extends circumferentially, relative to a filter element axis, around an element interior. An end body is fastened to an end face of the filter bellows and provided with a connecting section for fastening the round filter element to a housing cover of a filter housing of the filter. The end body has a central opening communicating with the element interior. The central opening has a central insertion section for receiving a flexible separation section of a volume compensation device of the filter and has an outer flow-through section enabling flow of the urea-water solution out of the filtration volume or into the filtration volume. The filter has a volume compensation device with a flexible separation section that separates a compensation volume from the filtration volume of the filter.

2. 发明申请

US20150027417A1 Filter Head for an Exchange or Housing Filter 审中-公开
标题翻译：过滤头用于交换或外壳过滤器
公开(公告)号：US20150027417A1
公开(公告)日：2015-01-29
申请号：US14444825
申请日：2014-07-28
申请人： MANN+HUMMEL GMBH
发明人： Christian Kocksch , Christopher Banks , Martin Postel , Ahmet Oerther
IPC分类号： F02M37/22 , F02M37/08
CPC分类号： F02M37/22 , F02M37/08 , F02M37/44
摘要： A filter head for a pre-filtration filter for fuel has an electric pump received in a pump channel. A connecting channel connects the pump at a suction side with a clean side of the filter. An outlet channel connects the pump at a pressure side with a main filter for the pre-filtered fuel. The pump is alternatingly operated in at least two of the following operating modes: a feed or follow-up operation in which, before switching on or after switching off an ignition of the internal combustion engine, the pump supplies fuel to the outlet channel; a venting operation in which the pump pumps air out of the filter and/or a fuel line of the filter head; and a support operation in which, with switched-on ignition, the pump supplies fuel at a pressure suitable as input pressure for a high-pressure pump arranged downstream of the main filter.
摘要翻译：用于燃料的预过滤过滤器的过滤头具有接收在泵通道中的电动泵。连接通道将抽吸侧的泵与过滤器的干净侧连接。出口通道将压力侧的泵与用于预过滤燃料的主过滤器连接。该泵在以下操作模式中的至少两个操作模式中交替地操作：进给或后续操作，其中在切换内燃机的点火或接通之后，泵将燃料供给出口通道; 泵排出过滤器和/或过滤器头的燃料管路的排气操作; 以及支持操作，其中，在接通点火时，泵以适于作为设置在主过滤器下游的高压泵的输入压力的压力供应燃料。

3. 发明授权

US11617974B2 Round filter element of a filter for urea-water solution and filter 有权
公开(公告)号：US11617974B2
公开(公告)日：2023-04-04
申请号：US17748139
申请日：2022-05-19
申请人： MANN+HUMMEL GmbH
发明人： Christian Kocksch , Christopher Banks , Bastian Mueller
IPC分类号： B01D29/23 , B01D29/92 , C02F1/00 , C02F101/30 , C02F101/16
摘要： A round filter element of a filter for a urea-water solution has a filter bellows with a filter medium that continuously extends circumferentially, relative to a filter element axis, around an element interior. An end body is fastened to an end face of the filter bellows and provided with a connecting section for fastening the round filter element to a housing cover of a filter housing of the filter. The end body has a central opening communicating with the element interior. The central opening has a central insertion section for receiving a flexible separation section of a volume compensation device of the filter and has an outer flow-through section enabling flow of the urea-water solution out of the filtration volume or into the filtration volume. The filter has a volume compensation device with a flexible separation section that separates a compensation volume from the filtration volume of the filter.

4. 发明授权

US10343091B2 Filter element, filter, and filter system with return line bypass 有权
公开(公告)号：US10343091B2
公开(公告)日：2019-07-09
申请号：US15467731
申请日：2017-03-23
申请人： MANN+HUMMEL GMBH
发明人： Norbert Strassenberger , Kathrin Tschepe , Heiko Wyhler , Christian Kocksch , Christopher Banks , Martin Postel , Christian Thalmann , Frank Pflueger , Christine Oprisch
IPC分类号： B01D35/147 , B01D35/16 , B01D29/66 , B01D35/153 , B01D29/11 , B01D27/10 , B01D29/21
摘要： A filter element has a filter material defining a raw side and a clean side of the filter element and to be flowed through by a medium to be filtered from the raw side to the clean side. A non-return element is disposed on the filter material. The non-return element allows a return flow of the filtered medium from the clean side back to the raw side and prevents a flow of the unfiltered medium from the raw side to the clean side. A filter and a filter system with such a filter element are disclosed. The filter system has a pump to supply medium to be filtered to the filter.

5. 发明申请

US20220280890A1 Round Filter Element of a Filter for Urea-Water Solution and Filter 有权
公开(公告)号：US20220280890A1
公开(公告)日：2022-09-08
申请号：US17748139
申请日：2022-05-19
申请人： MANN+HUMMEL GmbH
发明人： Christian Kocksch , Christopher Banks , Bastian Mueller
IPC分类号： B01D29/23 , B01D29/92 , C02F1/00
摘要： A round filter element of a filter for a urea-water solution has a filter bellows with a filter medium that continuously extends circumferentially, relative to a filter element axis, around an element interior. An end body is fastened to an end face of the filter bellows and provided with a connecting section for fastening the round filter element to a housing cover of a filter housing of the filter. The end body has a central opening communicating with the element interior. The central opening has a central insertion section for receiving a flexible separation section of a volume compensation device of the filter and has an outer flow-through section enabling flow of the urea-water solution out of the filtration volume or into the filtration volume. The filter has a volume compensation device with a flexible separation section that separates a compensation volume from the filtration volume of the filter.

6. 发明申请

US20200368648A1 Round Filter Element of a Filter for Urea-Water Solution and Filter 审中-公开
公开(公告)号：US20200368648A1
公开(公告)日：2020-11-26
申请号：US16893089
申请日：2020-06-04
申请人： MANN+HUMMEL GmbH
发明人： Christian Kocksch , Christopher Banks , Bastian Mueller
IPC分类号： B01D29/23 , B01D29/92 , C02F1/00
摘要： A round filter element of a filter for a urea-water solution has a filter bellows with a filter medium that continuously extends circumferentially, relative to a filter element axis, around an element interior. An end body is fastened to an end face of the filter bellows and provided with a connecting section for fastening the round filter element to a housing cover of a filter housing of the filter. The end body has a central opening communicating with the element interior. The central opening has a central insertion section for receiving a flexible separation section of a volume compensation device of the filter and has an outer flow-through section enabling flow of the urea-water solution out of the filtration volume or into the filtration volume. The filter has a volume compensation device with a flexible separation section that separates a compensation volume from the filtration volume of the filter.

7. 发明申请

US20170189838A1 Filter Element, Filter, and Filter System with Return Line Bypass 审中-公开
公开(公告)号：US20170189838A1
公开(公告)日：2017-07-06
申请号：US15467731
申请日：2017-03-23
申请人： MANN+HUMMEL GMBH
发明人： Norbert Strassenberger , Kathrin Tschepe , Heiko Wyhler , Christian Kocksch , Christopher Banks , Martin Postel , Christian Thalmann , Frank Pflueger , Christine Oprisch
IPC分类号： B01D35/147 , B01D35/16 , B01D29/66 , B01D35/153 , B01D29/11
CPC分类号： B01D35/1475 , B01D27/106 , B01D29/11 , B01D29/21 , B01D29/668 , B01D35/153 , B01D35/16 , B01D2201/167
摘要： A filter element has a filter material defining a raw side and a clean side of the filter element and to be flowed through by a medium to be filtered from the raw side to the clean side. A non-return element is disposed on the filter material. The non-return element allows a return flow of the filtered medium from the clean side back to the raw side and prevents a flow of the unfiltered medium from the raw side to the clean side. A filter and a filter system with such a filter element are disclosed. The filter system has a pump to supply medium to be filtered to the filter.

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