Patents by Inventor Klaus Gehwolf
Klaus Gehwolf has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250012333Abstract: A disc brake assembly including a brake disc, a brake caliper assembly with a brake caliper, and a brake dust particle filter with a filter housing and a filter medium arranged in sections in the filter housing, wherein the filter medium extends beyond the filter housing in the circumferential direction of the brake disc and abuts against the brake caliper assembly. A brake dust particle filter for such a disc brake assembly is included, including a filter housing and a filter medium arranged in sections in the filter housing, which extends beyond the filter housing in the circumferential direction.Type: ApplicationFiled: December 20, 2021Publication date: January 9, 2025Inventors: Tobias Wörz, Benedikt Weller, Klaus Mack, Klaus Gehwolf, Theodor Rockinger, Steffen Pfannkuch, Lukas Bock, Karl-Friedrich Kaufmann
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Publication number: 20240252968Abstract: A sorption filter cartridge for a sorption filter element includes a fluid permeable housing. The housing encloses a plurality of housing rooms that are separated from each other. Each housing room receives at least two layers of non-woven fiber material and a granulate portion comprising at least one sorbent. The granulate portion is sandwiched between the at least two layers.Type: ApplicationFiled: December 8, 2023Publication date: August 1, 2024Inventors: Gelase MBADINGA MOUANDA, Coskun EVLEKLI, Tobias WOERZ, Josef PROCHAZKA, Joachim-Paul KRIEGER, Klaus GEHWOLF, Robert GUENTNER
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Publication number: 20240213615Abstract: A venting and separating device for a housing of a battery includes a base body including a circumferentially extending rim configured to couple to the housing, an inlet opening configured to be in fluid communication to an interior of the housing, an outlet opening configured to be in fluid communication with an environment, a first separation screen including first screen openings engaging across the inlet opening, and a second separation screen in a venting flow direction fluidically downstream of the first separation screen, the second separation screen including second screen openings engaging across the outlet opening. The base body further includes a pressure relief valve configured to open, when a predetermined excess pressure in the housing is surpassed, a bypass fluid flow path from the interior of the housing to the environment, the bypass fluid flow path bypassing both the first separation screen and the second separation screen.Type: ApplicationFiled: March 6, 2024Publication date: June 27, 2024Inventors: Robert ZBIRAL, Daniel VOLKMER, Robert KUSEBAUCH, Ludwig BAMMERSPERGER, Klaus GEHWOLF
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Patent number: 11833462Abstract: A filter element has a filter medium body with a first side and an oppositely positioned second side, wherein one of the first and second sides is the inflow side of the filter medium body and the other one is the outflow side of the filter medium body. A first sealing or supporting element is arranged at the first side. A second sealing or supporting element is arranged at the second side. At least one force-transmitting adhesive bead extends between the first side and the second side, wherein the at least one adhesive bead is a force transmitting element extending between the first and second sealing or supporting elements.Type: GrantFiled: January 19, 2021Date of Patent: December 5, 2023Assignee: MANN+HUMMEL GmbHInventors: Pascal Neef, Klaus Gehwolf, Thomas Sieber, Joachim-Paul Krieger, Werner Blossey, Philipp Hettkamp, Gelase Mbadinga Mouanda, Stefan Walz, Michael Heim, Martin Wuebbeling, Georg Kloeter
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Publication number: 20230302391Abstract: A filter element has a filter medium with a plurality of successive folds arranged in a longitudinal direction from a first transverse side of the filter medium to a second transverse side of the filter medium. A fold height of the successive folds continuously decreases in the longitudinal direction. A fold width of the successive folds continuously decreases in the longitudinal direction. A filter device such as an air filter is provided with such a filter element.Type: ApplicationFiled: June 2, 2023Publication date: September 28, 2023Inventors: Klaus GEHWOLF, Tobias TANDETZKI, Anton RABANTER
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Publication number: 20230035373Abstract: A brake dust particle filter for a disc brake assembly is provided with a housing that has a first housing side wall, a second housing side wall, and a housing circumferential wall, wherein the housing circumferential wall extends between the first housing side wall and the second housing side wall. A filter insert with a filter medium is arranged in the housing and extends along one of the first and second housing side walls and along the housing circumferential wall. The filter insert has a curved circumferential edge. The housing has a curved receiving groove. The curved circumferential edge engages the curved receiving groove. The filter insert is L-shaped and is configured to at least partially cover a friction surface and a circumferential surface of a brake disc of the disc brake assembly. The curved circumferential edge of the filter insert projects past the filter medium.Type: ApplicationFiled: June 3, 2022Publication date: February 2, 2023Inventors: Tobias Woerz, Benedikt Weller, Lukas Bock, Franc Pricken, Steffen Pfannkuch, Theodor Rockinger, Andreas Aigner, Ludwig Bammersperger, Philipp Plenk, Klaus Gehwolf, Oliver Reiners, Klaus Mack
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Publication number: 20210205744Abstract: A filter element has a filter medium body with a first side and an oppositely positioned second side, wherein one of the first and second sides is the inflow side of the filter medium body and the other one is the outflow side of the filter medium body. A first sealing or supporting element is arranged at the first side. A second sealing or supporting element is arranged at the second side. At least one force-transmitting adhesive bead extends between the first side and the second side, wherein the at least one adhesive bead is a force transmitting element extending between the first and second sealing or supporting elements.Type: ApplicationFiled: January 19, 2021Publication date: July 8, 2021Inventors: Pascal Neef, Klaus Gehwolf, Thomas Sieber, Joachim-Paul Krieger, Werner Blossey, Philipp Hettkamp, Gelase Mbadinga Mouanda, Stefan Walz, Michael Heim, Martin Wuebbeling, Georg Kloeter
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Patent number: 10898841Abstract: A filter element has a filter medium body with a first side and an oppositely positioned second side, wherein one of the first and second sides is the inflow side of the filter medium body and the other one is the outflow side of the filter medium body. A first sealing or supporting element is arranged at the first side. A second sealing or supporting element is arranged at the second side. At least one force-transmitting adhesive bead extends between the first side and the second side, wherein the at least one adhesive bead is a force transmitting element extending between the first and second sealing or supporting elements.Type: GrantFiled: August 27, 2018Date of Patent: January 26, 2021Assignee: MANN+HUMMEL GmbHInventors: Pascal Neef, Klaus Gehwolf, Thomas Sieber, Joachim-Paul Krieger, Werner Blossey, Philipp Hettkamp, Gelase Mbadinga Mouanda, Stefan Walz, Michael Heim, Martin Wuebbeling, Georg Kloeter
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Patent number: 10632412Abstract: A filter element has a zigzag-folded filter medium. Filter medium sections joined by a fold edge define an intermediate fold space, respectively, with a fold base and fold peaks opposite the fold base. An elongate support section is arranged in the intermediate fold space on a filter medium surface of one of the filter medium sections. The support section extends perpendicular to the fold edges between fold base and fold peak. The support section has a height extension perpendicular to the filter medium surface that increases in longitudinal direction of the support section from fold base to fold peak. The support section has a free side facing away from the filter medium surface. The support section has a width extension parallel to the fold edges. The width extension decreases parallel to the filter medium surface and perpendicular to the longitudinal direction from fold peak to fold base.Type: GrantFiled: February 26, 2018Date of Patent: April 28, 2020Assignee: MANN+HUMMEL GmbHInventors: Gelase Mbadinga-Mouanda, Klaus Gehwolf
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Patent number: 10376828Abstract: A device for producing a bellows from a filter medium, including: an embossing device embossing fold lines into a filter medium that runs through the embossing device, producing an embossed filter medium for folding into a folded filter medium; the folded section of the filter medium being delimited by two adjacent fold lines; an adhesive application device applying adhesive onto the embossed filter medium; and a folding device folding, in a zig-zag manner, the embossed filter medium onto which the adhesive was applied into the folded filter medium; wherein the folding device includes a plurality of adjacent supporting elements that can be moved into or out of a folding space of the folding device; wherein the supporting elements are movable into the folding space such, that at least one folded section of the folded filter medium is contacted and supported by a respective one of the plurality of supporting element.Type: GrantFiled: March 23, 2016Date of Patent: August 13, 2019Assignee: MANN+HUMMEL GmbHInventors: Klaus Gehwolf, Tobias Tandetzki, Josef Rohrmeier, Gelase Mbadinga Mouanda, Michael Wank, Gerhard Weindl
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Publication number: 20190217238Abstract: A filter element has a folded bellows folded in a zigzag shape and provided with folds. The folded bellows has a first section with a first curvature and a second section with a second curvature. The first curvature is greater than the second curvature. The folds of the folded bellows in the first section have a varying fold height.Type: ApplicationFiled: March 28, 2019Publication date: July 18, 2019Inventor: Klaus Gehwolf
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Publication number: 20180361294Abstract: A filter element has a filter medium body with a first side and an oppositely positioned second side, wherein one of the first and second sides is the inflow side of the filter medium body and the other one is the outflow side of the filter medium body. A first sealing or supporting element is arranged at the first side. A second sealing or supporting element is arranged at the second side. At least one force-transmitting adhesive bead extends between the first side and the second side, wherein the at least one adhesive bead is a force transmitting element extending between the first and second sealing or supporting elements.Type: ApplicationFiled: August 27, 2018Publication date: December 20, 2018Inventors: Pascal Neef, Klaus Gehwolf, Thomas Sieber, Joachim-Paul Krieger, Werner Blossey, Philipp Hettkamp, Gelase Mbadinga Mouanda, Stefan Walz, Michael Heim, Martin Wuebbeling, Georg Kloeter
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Publication number: 20180178156Abstract: A filter element has a zigzag-folded filter medium. Filter medium sections joined by a fold edge define an intermediate fold space, respectively, with a fold base and fold peaks opposite the fold base. An elongate support section is arranged in the intermediate fold space on a filter medium surface of one of the filter medium sections. The support section extends perpendicular to the fold edges between fold base and fold peak. The support section has a height extension perpendicular to the filter medium surface that increases in longitudinal direction of the support section from fold base to fold peak. The support section has a free side facing away from the filter medium surface. The support section has a width extension parallel to the fold edges. The width extension decreases parallel to the filter medium surface and perpendicular to the longitudinal direction from fold peak to fold base.Type: ApplicationFiled: February 26, 2018Publication date: June 28, 2018Inventors: Gelase Mbadinga-Mouanda, Klaus Gehwolf
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Patent number: 9919256Abstract: A filter element has a zigzag-folded filter medium. Filter medium sections joined by a fold edge define an intermediate fold space, respectively, with a fold base and fold peaks opposite the fold base. An elongate support section is arranged in the intermediate fold space on a filter medium surface of one of the filter medium sections. The support section extends perpendicular to the fold edges between fold base and fold peak. The support section has a height extension perpendicular to the filter medium surface that increases in longitudinal direction of the support section from fold base to fold peak. The support section has a free side facing away from the filter medium surface. The support section has a width extension parallel to the fold edges. The width extension decreases parallel to the filter medium surface and perpendicular to the longitudinal direction from fold peak to fold base.Type: GrantFiled: September 22, 2014Date of Patent: March 20, 2018Assignee: MANN+HUMMEL GmbHInventors: Gelase Mbadinga-Mouanda, Klaus Gehwolf
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Publication number: 20170225113Abstract: A filter element has a zigzag-folded filter medium. Filter medium sections joined by a fold edge define an intermediate fold space, respectively, with a fold base and fold peaks opposite the fold base. An elongate support section is arranged in the intermediate fold space on a filter medium surface of one of the filter medium sections. The support section extends perpendicular to the fold edges between fold base and fold peak. The support section has a height extension perpendicular to the filter medium surface that increases in longitudinal direction of the support section from fold base to fold peak. The support section has a free side facing away from the filter medium surface. The support section has a width extension parallel to the fold edges. The width extension decreases parallel to the filter medium surface and perpendicular to the longitudinal direction from fold peak to fold base.Type: ApplicationFiled: September 22, 2014Publication date: August 10, 2017Inventors: Gelase Mbadinga-Mouanda, Klaus Gehwolf
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Patent number: 9566731Abstract: Filter element (1) has opposing end sections (3A, 3B) of a filter material sheet (2) that are connected to each other in a fluid-tight manner, wherein a molded or extruded plastic casing (5) encloses the end edges (4A, 4B) of the end sections (3A, 3B). A method for producing a corresponding filter element (1) includes the encasing of opposing end edges (4A, 4B) of end sections (3A, 3B) of a filter material sheet (2) with a plastic casing (5) so as to form a continuous bellows.Type: GrantFiled: October 27, 2014Date of Patent: February 14, 2017Assignee: MANN+HUMMEL GMBHInventors: Klaus Gehwolf, Michael Maier
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Publication number: 20170028321Abstract: A bellows for a filter element is provided with a flat filter medium that has a first end section and a second end section opposite the first end section. A vulcanizable adhesive material adhesively connects the first end section and the second end section to each other. In a method for producing such a bellows, a vulcanizable adhesive material is supplied and the first and second end sections of the filter medium are connected to each other by vulcanizing the adhesive material.Type: ApplicationFiled: July 29, 2016Publication date: February 2, 2017Inventor: Klaus Gehwolf
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Publication number: 20160236133Abstract: A device for producing a bellows from a filter medium, including: an embossing device embossing fold lines into a filter medium that runs through the embossing device, producing an embossed filter medium for folding into a folded filter medium; the folded section of the filter medium being delimited by two adjacent fold lines; an adhesive application device applying adhesive onto the embossed filter medium; and a folding device folding, in a zig-zag manner, the embossed filter medium onto which the adhesive was applied into the folded filter medium; wherein the folding device includes a plurality of adjacent supporting elements that can be moved into or out of a folding space of the folding device; wherein the supporting elements are movable into the folding space such, that at least one folded section of the folded filter medium is contacted and supported by a respective one of the plurality of supporting element.Type: ApplicationFiled: March 23, 2016Publication date: August 18, 2016Inventors: Klaus Gehwolf, Tobias Tandetzki, Josef Rohrmeier, Gelase Mbadinga Mouanda, Michael Wank, Gerhard Weindl
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Patent number: 9254460Abstract: The invention relates to a hotmelt adhesive comprising a hotmelt adhesive mixture, the mixture including a) 15-85% by weight of a first, polyester-based hotmelt adhesive and b) 15-85% by weight of a second, polyamide-based hotmelt adhesive.Type: GrantFiled: January 28, 2013Date of Patent: February 9, 2016Assignee: MANN+HUMMEL GMBHInventors: Klaus Gehwolf, Tanja Majer, Gelase Mbadinga-Mouanda
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Patent number: D947733Type: GrantFiled: August 19, 2020Date of Patent: April 5, 2022Assignee: MANN+HUMMEL GmbHInventors: Volker Kuemmerling, Thomas Jessberger, Lukas Bock, Benedikt Weller, Tobias Woerz, Klaus Gehwolf, Theodor Rockinger, Klaus Mack