Patents Assigned to Freudenberg
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Patent number: 8646782Abstract: A sealing arrangement, comprising a shaft (1) to be sealed, which is enclosed by a radial shaft seal (2), wherein the radial shaft seal (2) comprises two sealing lips (7, 8) for mutually sealing two spaces (5, 6) to be sealed and filled with a medium (3, 4) to be sealed, said sealing lips being disposed axially adjacent to each other at a distance from each other and delimiting a lubricant reservoir (18) with the shaft (1) to be sealed, wherein the first sealing lip (7) is axially curved in the direction of the first space (5) to be sealed in order to seal the first medium (3) to be sealed, and wherein the second sealing lip (8) is axially curved in the direction of the second space (6) to be sealed in order to seal the second medium (4) to be sealed, wherein both sealing lips (7, 8) each have at least one sealing rib (9, 10), which are delimited by mutually intersecting conical surfaces (11, 12; 13, 14), wherein on both sealing ribs (9, 10) the first conical surface (11, 13) facing the first space (5) to beType: GrantFiled: February 20, 2008Date of Patent: February 11, 2014Assignee: Carl Freudenberg KGInventor: Ulrich Dahlhaus-Preussler
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Publication number: 20140033461Abstract: A mopping device comprising a substantially wedge-shaped support body (1) and a mopping cloth (2) which is connected to the support body (1) in a detachable manner, wherein the support body (1) comprises two contact-pressure plates (3, 4) for pressing the mopping cloth (2) against a surface which is to be cleaned. wherein the two contact-pressure plates (3, 4) each have a clamping edge (5, 6) and are arranged in relation to one another in the manner of a V for the purpose of fixing the mopping cloth (2) between the clamping edges (5, 6) by means of at least one spring (7, 8) in a closed position (9), and can be moved against the spring force of the spring (7, 8) to an open position (10) for the purpose of receiving or removing the mopping cloth (2) from the support body (1).Type: ApplicationFiled: January 4, 2012Publication date: February 6, 2014Applicant: CARL FREUDENBERG KGInventors: Falk Lindner, Ulla Reiman
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Publication number: 20140036457Abstract: An arrangement includes at least one flexible circuit carrier having at least one conducting track. At least one busbar forms a composite with the flexible circuit carrier. The conducting track is welded to the busbar.Type: ApplicationFiled: August 1, 2013Publication date: February 6, 2014Applicant: Carl Freudenberg KGInventors: Wulf Bramesfeld, Martin Pohlke, Uwe Zedler, Peter Fischer
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Patent number: 8641132Abstract: A hydraulically damping mount includes a support bearing and a seat which are supported on each other by a hollow conical spring element made of an elastomeric material. The support bearing is shaped essentially as a double-T and includes two annular radial flanges that are connected to each other via a centrally positioned connecting tube so as to be adjacent to each other at an axial distance from each other and so as to delimit the mount on a front on both sides. A working chamber and a compensation chamber are filled with damping fluid and are separated from each other, on respective axially facing sides, via a partition having a damping channel which connects the chambers to each other so as to convey the fluid. The partition is joined to the seat and has an annular shape that surrounds and seals the connection tube.Type: GrantFiled: August 1, 2012Date of Patent: February 4, 2014Assignee: Carl Freudenberg KGInventor: Volker Wittmershaus
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Publication number: 20140021687Abstract: A dynamic shaft seal assembly is provided including a dynamic seal for engaging a rotary shaft. The dynamic seal includes a mounting portion that is mounted within a casing and has an axially extending barrel portion extending from a radially inner end of the mounting portion. The axially extending barrel portion terminates in a radially extending leg portion which extends inwardly from an end of the axially extending portion. A generally conically shaped seal portion extends from an end of the radially extending portion and the seal portion includes a radially inner face engaging the shaft and a radially outer face having a stiffening bead integrally formed thereon. The mounting portion defines a bumper spaced from the axially extending barrel portion by a gap distance that is designed to prevent the seal lip from inverting under sustained high pressure or pressure spikes.Type: ApplicationFiled: September 20, 2013Publication date: January 23, 2014Applicant: FREUDENBERG-NOK GENERAL PARTNERSHIPInventors: Alexander BERDICHEVSKY, Rory S. PAWL, Patrick L. SCHEIB
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Publication number: 20140000053Abstract: Head (1) for a mop (2), comprising a carrying body (4) which can be connected to a handle (3) and on which are fastened cleaning strips (5) made of textile material, and also comprising an abrasive body (6), wherein the abrasive body (6) is connected with adhering action to at least one cleaning strip (5).Type: ApplicationFiled: May 29, 2009Publication date: January 2, 2014Applicant: Carl Freudenberg KGInventors: Karl-Ludwig Gibis, Lars Schmitt, Marc Hunger
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Patent number: 8616840Abstract: A sealing arrangement is provided, including a sealing ring for sealing two machine elements from one another, the sealing ring being conFIGUREd in an installation space for the second machine element that is open toward the first machine element to be sealed, and sealingly contacting the surface to be sealed of the first machine element, by way of at least one dynamically loaded first sealing lip. The sealing ring is arranged under elastic axial and radial preloading within the installation space.Type: GrantFiled: May 27, 2008Date of Patent: December 31, 2013Assignee: Carl Freudenberg KGInventors: Ivan Ristic, Dieter Von Borstel
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Publication number: 20130337104Abstract: A molding apparatus includes a plurality of inter-engaging mold cavity components and a plurality of inter-engaging gate inserts that combine with the plurality of inter-engaging mold cavity components to define an annular mold cavity. The plurality of inter-engaging gate inserts combine to define a plurality of separate arcuate shaped gate segments that each communicate with the annular mold cavity.Type: ApplicationFiled: June 14, 2012Publication date: December 19, 2013Applicant: Freudenberg-NOK General PartnershipInventor: David Chris Vannarsdall
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Patent number: 8603926Abstract: The invention relates to a textile fabric having a coating composed of two layers of thermoplastic hot-seal adhesives of differing compositions applied one on top of the other, the second hot-seal adhesive, which is applied to the first, having a melting point of >135° C. and a melt flow index (MFI) value of 50 to 250 g/10 minutes (190° C./2.16 kg). The invention further relates to a method for producing a textile fabric, comprising the following steps: a) producing a textile fabric using a textile fabric manufacturing technique; b) applying a layer of a first hot-seal adhesive to the textile fabric; and c) applying a layer of a second hot-seal adhesive to the textile fabric so as to d) form a layer of the second hot-seal adhesive over the layer of first hot-seal adhesive, the second hot-seal adhesive used having a melting point of >135° C. and a melt flow index (MFI) value of 50 to 250 g/10 minutes (190° C./2.16 kg).Type: GrantFiled: February 10, 2006Date of Patent: December 10, 2013Assignee: Carl Freudenberg KGInventors: Peter Grynaeus, Gerhard Schaut, Steffen Kremser, Michael Kalbe, Oliver Staudenmayer
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Patent number: 8601991Abstract: A valve stem seal assembly in an internal combustion engine includes a cylinder head including an aperture therein in communication with a cylinder bore and a recessed pocket surrounding the aperture. A valve guide is received in the aperture and a valve stem is received in the valve guide. A valve seal support includes a radially outwardly extending flange disposed against a surface of the cylinder head external to the recessed pocket and a cylindrical body that extends into the recessed pocket. A valve spring contacts the flange and a resilient seal is secured to the rigid valve seal support and in sealing engagement with the valve stem.Type: GrantFiled: August 2, 2011Date of Patent: December 10, 2013Assignee: Freudenberg-NOK General PartnershipInventors: Rory S. Pawl, Patrick L. Scheib, John A. London
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Publication number: 20130323195Abstract: A plurality of fibers or one-dimensional, two-dimensional, or three-dimensional fibrous structures are provided, having fibers from a first raw fiber material. The first raw fiber material contains unsubstituted or partially substituted polyvinyl alcohol and/or unsubstituted or partially substituted polyvinyl alcohol copolymer. The fibers can be crosslinked by tempering the fibers or fibrous structures, with the result that the fibers or the fibrous structure are configured to be gel, in particular hydrogel, fibers or fibrous structures and have excellent stability.Type: ApplicationFiled: July 29, 2011Publication date: December 5, 2013Applicant: CARL FREUDENBERG KGInventors: Wiebke Schmitz, Julia Schmidt, Bernd Schlesselmann, Gunter Scharfenberger
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Patent number: 8597392Abstract: A filter arrangement for filtering intake air of a vehicle engine includes a filter element including a folded filter medium having a plurality of lengthwise folds, each fold having a fold wall and a fold valley so as to form a plurality of fold walls and fold valleys. the arrangement further includes a filter housing accommodating the filter element and having a top and a bottom part, a first insertable lamella disposed on the top part, and a second insertable lamella disposed on the bottom part and extending into a first one of the plurality of fold valleys, wherein the first insertable lamella extends into an adjacent one of the plurality of fold valleys so as to compress the fold wall disposed between the first fold valley and the adjacent fold valley.Type: GrantFiled: December 1, 2010Date of Patent: December 3, 2013Assignee: Carl Freudenberg KGInventors: Ulrich Stahl, Uwe Felber, Claudio Marin
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Publication number: 20130313209Abstract: A clamp connection (1) for the attachment of solar modules, on rail-shaped carriers (2) provided with guide grooves (5) with margins (6, 7) that protrude inwards into the groove (5), includes a support (3) with at least one support surface (12) present on its upper side, for a component. A T-shaped counter bearing (9) present on its lower side, where a crossbar (11) of the counter bearing can be inserted and engages behind the protruding margins (6, 7) of the guide groove (5), and of a clamping cap (4) with clamping surface (13) covering the support surface (12), and a longitudinal groove (16) which grips the upper part of the supporting brace (5), where the clamping cap (40) and the support (3) are attached to each other via a latching connection (18, 19, 20, 28, 48).Type: ApplicationFiled: August 12, 2011Publication date: November 28, 2013Applicant: CARL FREUDENBERG KGInventor: Armin Barth
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Patent number: 8591620Abstract: An arrangement consisting of a cover and a filter element, wherein the filter element has a corrugated bellows with adjacent pleat ridges, wherein the corrugated bellows is hemmed by edge strips, wherein the filter element bears against one abutment side of the cover forming a seal and wherein the filter element is fixed with one side to the abutment side and in that context projects self-supporting from the abutment side of the cover, is in view of the objective to design an arrangement of the type mentioned at the outset and develop it further so that following cost-effective production, a reliable attachment of a filter element on the cover is assured, characterized in that gripping means are arranged on the abutment side which engage around an edge strip on both sides, which bears against the abutment side.Type: GrantFiled: June 16, 2011Date of Patent: November 26, 2013Assignee: Carl Freudenberg KGInventors: Robert Bader, Georges Sampaio
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Patent number: 8590903Abstract: A dynamic shaft seal assembly is provided including a dynamic seal for engaging a rotary shaft. The dynamic seal includes a mounting portion that is mounted within a casing and has an axially extending barrel portion extending from a radially inner end of the mounting portion. The axially extending barrel portion terminates in a radially extending leg portion which extends inwardly from an end of the axially extending portion. A generally conically shaped seal portion extends from an end of the radially extending portion and the seal portion includes a radially inner face engaging the shaft and a radially outer face having a stiffening bead integrally formed thereon. The mounting portion defines a bumper spaced from the axially extending barrel portion by a gap distance that is designed to prevent the seal lip from inverting under sustained high pressure or pressure spikes.Type: GrantFiled: March 24, 2009Date of Patent: November 26, 2013Assignee: Freudenberg-NOK General PartnershipInventors: Alexander Berdichevsky, Rory S. Pawl, Patrick Scheib
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Patent number: 8591344Abstract: An arrangement having a gear side and a shaft side includes a shaft. A first flange is disposed on the gear side. A second flange is disposed on the shaft side. A mass damper is attached between the first flange and the second flange and including a damper ring, a hub and an elastomer layer disposed between the damper ring and the hub.Type: GrantFiled: January 24, 2012Date of Patent: November 26, 2013Assignee: Carl Freudenberg KGInventors: Markus Duerre, Andreas Mahling
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Publication number: 20130307228Abstract: A seal for insertion in a bore in an outer member and engaging an inner member received in the bore. The seal includes an annular insert having an elastomeric body over-molded on the annular insert and an inner seal extending radially inward from the annular insert. The inner seal including an inboard sealing surface and the elastomeric body over-molded on the annular insert defining an outer portion including an outboard sealing surface including an annular flap on an exterior side of the annular insert that, in an installed position, is adapted to be compressed between the outer annular insert and the outer member.Type: ApplicationFiled: May 18, 2012Publication date: November 21, 2013Applicant: FREUDENBERG-NOK GENERAL PARTNERSHIPInventors: John B. Wagner, Brian K. Fella
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Patent number: 8585127Abstract: The present invention relates to a motor vehicle having a component whose position can be changed and which is provided with a cable. For this cable, the motor vehicle has a cable store with a force and/or torque storage means, of which the stored force and/or stored torque changes with the position of the component.Type: GrantFiled: November 11, 2008Date of Patent: November 19, 2013Assignees: Johnson Controls Interiors GmbH & Co. KG, Carl Freudenberg KGInventors: Detlef Zimmermann, Christophe Luciani, Ansgar Blessing, Waldemar Kurpiers, Helmut Zischka, Vedat Nuyan
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Patent number: 8584300Abstract: Squeeze mop, including a bearing body that is formed by a double joint and two squeeze plates that are arranged on either side of the double joint in the longitudinal direction of the bearing body and that are joined thereto, and a handle, the bearing body having on the side that faces axially away from the handle a mopping pad that is largely the size of the bearing body and the squeeze plates being pressable against one another by means of a wringing device, the wringing device being fork-shaped and embodied open on the side facing axially away from the handle and including two pressure arms that are arranged largely parallel to one another and that for folding the squeeze plates can be caused to engage with the squeeze plates about the double joint, the wringing device being joined to the handle and the handle being pivotably joined to the double joint, at least about the longitudinal axis of the bearing body, the wringing device having an actuating rod that is axially movable toward the handle and that isType: GrantFiled: November 25, 2008Date of Patent: November 19, 2013Assignee: Carl Freudenberg KGInventor: Norbert Weis
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Patent number: D698110Type: GrantFiled: November 16, 2012Date of Patent: January 21, 2014Assignee: Carl Freudenberg KGInventors: Franziska Wanger, Michael Wanger