Ludwigsburg, Germany
Ludwigsburg, Germany

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The present invention relates to a sensor (20) of a filling-level meter of a liquid tank, in particular for an operating liquid, in particular of a motor vehicle, a filling-level meter and tank. The sensor (20) having at least one pair of electric lines (38) for an electric circuit with at least one electric contact (36) each. The electric contacts (36) of at least one pair of electric lines (38) are arranged such that they are contactless at least in one noncontact state of the filling-level meter. The electric contacts (36) can be connected in at least one contact state by use of at least one mechanically operated electric connecting element of the filling-level meter. The electric connecting element does not necessary has to be part of the sensor (20). The at least one electric connecting element can be mechanically connected to a float assembly. The at least one electric connecting element in particular with the float assembly can be moved relative to the at least one pair of electric contacts (36) between the at least one noncontact state and the at least one contact state. The sensor (20) comprises at least one electric bypass resistance (42), which electrically connects the at least one pair of electric lines (38).


Patent
Mannhummel Gmbh | Date: 2016-12-26

A filter device includes in a filter housing a hollow cylindrical filter element having frontal end plates, a flow opening being made in one of the end plates. In order to interlockingly secure a pipe connection piece that communicates with the flow opening, a cover has a radial collar which forms an axial stop for the pipe connection piece.


Patent
Mannhummel Gmbh | Date: 2016-12-26

A filter device includes in a filter housing a hollow cylindrical filter element having frontal end plates. A port having a first sealing element is incorporated into a cover the filter housing, said sealing element being arranged coaxially relative to a second sealing element in a flow opening in the end plate.


Patent
Mannhummel Gmbh | Date: 2016-12-18

A filter cartridge for a filter for filtration of a fluid has a prismatic basic shape with a base face and a top face arranged parallel to each other and each having a polygonal basic shape. The prismatic basic shape is provided with a first lateral face and a second lateral face neighboring the first lateral face, wherein the first lateral face is an inflow surface and is substantially positioned perpendicular to the neighboring second lateral face. The prismatic basic shape has a third lateral face that is an outflow surface and is positioned at an angle relative to the first lateral face, wherein the angle is greater than 10 and smaller than 80. A filter with such a filter cartridge is disclosed.


Patent
Mannhummel Gmbh | Date: 2016-12-18

A filter cartridge for a filter for filtering of fluid is provided with an inflow surface, an outflow surface, and a main flow direction extending from the inflow surface to the outflow surface. A filter body is provided. A filter cartridge frame supports the filter body. A seal is disposed on the filter cartridge frame in the area of the outflow surface and separates a filter interior of a filter into a clean side and a raw side. A spacer structure is provided that determines a spacing between the filter cartridge frame and a further downstream filter cartridge in the main flow direction. Another configuration of the filter cartridge is provided that has an edge protection extending externally circumferentially about the filter cartridge frame in the area of the inflow surface. The edge protection connects the filter body and the filter cartridge frame with each other.


Patent
Mannhummel Gmbh | Date: 2016-12-18

A filter cartridge for a filter for filtering a fluid is to be used downstream of a main filter cartridge in a filter and is provided with an inflow surface, an outflow surface, and a main flow direction extending from the inflow surface to the outflow surface. A filter body is provided that can be flowed through along the main flow direction. A filter cartridge frame supports the filter body. A seal is disposed on the filter cartridge frame and separates a filter interior of a filter into a clean side and a raw side. An adhesive connection is provided that connects the filter body and the filter cartridge frame to each other. In one configuration, the filter cartridge frame at an inflow side is provided with a grip area, wherein the grip area enables inflow of a fluid into the filter body via the grip area and manual removal of the filter cartridge.


A coalescing element (36) of a water separator device, in particular of a fuel filter (10), for fuel, in particular diesel fuel, in particular with at least one additive, in particular of an internal combustion engine, in particular of a motor vehicle, and a water separator device (10) are described. The coalescing element (36) can be arranged in a housing (12) of the water separator device (10) in such a way that it separates at least one fuel inlet (26) of the housing (12) from at least one fuel outlet (18). At least one coalescing medium (58) for separating water which is contained in the fuel is arranged in the flow path (78) of the fuel. The at least one coalescing medium (58) comprises at least one sponge-like coalescing material which is suitable for coalescing water.


Patent
MannHummel GmbH | Date: 2017-04-26

The invention relates to a filter cartridge (100) for a filter (10) for filtering a fluid, in particular air, said cartridge being in particular for an internal combustion engine and comprising: an inflow face (110); an outflow face (112) and a main flow direction (X); a filter body (120); and a filter cartridge frame (118) that supports the filter body (120). The filter cartridge frame (118) has a seal (116) in the region of the outflow face (112) for dividing a filter interior into a clean side and an unfiltered side and a spacer structure (128) for defining a distance between the filter cartridge frame (118) and another filter cartridge (200) that can be arranged downstream in the main flow direction (X).


The invention relates to a filter membrane for filtering a medium (10), having a multilayer structure, said filter membrane comprising at least a first layer (14), which has an oxide ceramic material as the main constituent, and the filter membrane (2) comprising at least a second layer (15), which has a non-oxide ceramic material as the main constituent. The invention also relates to a hollow fiber and a filter module.


Patent
Mannhummel Gmbh | Date: 2016-12-30

An oil mist separator (10) for a crankcase ventilation (11) such as in an internal combustion engine (13) for separating oil particles from a gaseous fluid, in particular blow-by gas is disclosed. The oil mist separator (10) has at least one nozzle plate (24). The at least one nozzle plate (24) is arranged in a flow way of the gaseous fluid. The nozzle plate (24) has at least one aperture (26; 126) for the gaseous fluid. The oil mist separator (10) further has at least one impact surface (32; 132). The at least one impact surface (32; 132) is arranged downstream of the nozzle plate (24) relating to the flow of the gaseous fluid. The at least one impact surface (32; 132) can be moved away from the at least one nozzle plate (24) in an opening direction (36) against a pretension force by influence and dependent on a flow of the gaseous fluid through the at least one aperture (26; 126). At least one aperture is formed as a nozzle aperture (26) and at least one control protrusion (42; 142) for controlling the flow cross-section of at least one aperture (26; 126) is attached to at least one impact surface (32).

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