Patents by Inventor Peter Kahl
Peter Kahl 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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Patent number: 8435384Abstract: A method for drying a fibrous web, particularly a paper, cardboard or tissue web whereby the moving fibrous web is treated with got air in the area of a pre-definable drying zone the fibrous web is treated, at least in some areas inside the drying zone with steam.Type: GrantFiled: June 18, 2009Date of Patent: May 7, 2013Assignee: Voith Patent GmbHInventors: Luiz C. Da Silva, Thomas Scherb, Peter Kahl, Frank Wegehaupt, Dieter Müller
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Publication number: 20090283234Abstract: A method for drying a fibrous web, particularly a paper, cardboard or tissue web whereby the moving fibrous web is treated with got air in the area of a pre-definable drying zone the fibrous web is treated, at leas in some areas inside the drying zone with steam.Type: ApplicationFiled: June 18, 2009Publication date: November 19, 2009Inventors: Luiz C. Da Silva, Thomas Scherb, Peter Kahl, Frank Wegehaupt, Dieter Muller
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Publication number: 20080010852Abstract: The invention relates to a guiding device for a continuous paper sheet comprising at least one guiding element which is disposed downstream with respect to an application group and used in the form of an air circulating channel in order to ensure a contactless guiding in a machine producing and/or processing a continuous material sheet, in particular a paper or paperboard sheet. Said guiding element consists of a guiding surface made at least partially of an air-permeable porous material which is exposed to a compressed air pressure in such a way that air can circulate therethrough, thereby forming an air cushion between said guiding surface and a moving material sheet.Type: ApplicationFiled: May 7, 2004Publication date: January 17, 2008Inventors: Markus Oechsle, Roland Mayer, Peter Kahl, Martin Kustermann, Stefan Reich
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Publication number: 20070084580Abstract: The present invention provides a suction roll system in a drying section of a machine for manufacturing a fibrous web, the suction roll system including a suction roll having an outer circumferential surface. The circumferential surface defines holes configured for attracting the fibrous web by suction and includes regions, more than two of the regions including the holes, at least two of the regions relative to one another having different numbers of the holes per unit area or having the holes with different diameters per unit area. The circumferential surface has strips which extend in a circumferential direction, at least one strip which extends in a helical shape over the circumferential surface, or strips which extend either substantially in a direction of a longitudinal axis of the suction roll or diagonally relative to the longitudinal axis. The regions include the strips.Type: ApplicationFiled: November 7, 2006Publication date: April 19, 2007Inventors: Peter Kahl, Torben Schlieckau, Roland Mayer
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Patent number: 7063772Abstract: Apparatus for treating a fibrous web that includes at least one supporting surface arranged to support a surface of the fibrous web, and at least one sealing device positionable adjacent a surface of the web opposite the surface of the web supported by the at least one supporting surface. The at least one sealing device includes a positionably adjustable sealing element. A distance between the positionably adjustable sealing element and the surface of the web opposite the surface supported by the at least one supporting surface is adjustable.Type: GrantFiled: July 26, 2002Date of Patent: June 20, 2006Assignee: Voith Paper Patent GmbHInventors: Peter Kahl, Uwe Joos
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Patent number: 6789984Abstract: Process and apparatus for drilling holes in a shell of a paper machine cylinder, which is in its operating position. The process includes fixing a drilling apparatus to a cylinder adjacent to the cylinder to be drilled, and substantially eliminating influences of mechanical play due to structures of the adjacent cylinder prior to drilling, which includes coupling a support member to the adjacent cylinder to exert tangential forces on the adjacent cylinder, whereby the mechanical play is substantially eliminated.Type: GrantFiled: July 12, 1999Date of Patent: September 14, 2004Assignees: Pikoteknik Oy, Voith Sulzer Papiermaschinen GmbHInventors: Ingmar Vesterlund, Georg Kugler, Markus Oechsle, Peter Kahl
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Patent number: 6740204Abstract: Apparatus for treating a fibrous web that includes at least one supporting surface arranged to support a surface of the fibrous web, and at least one sealing device positionable adjacent a surface of the web opposite the surface of the web supported by the at least one supporting surface. The at least one sealing device includes a sealing element and a holder structured and arranged to hold and to enable lateral sliding movement of the at least one sealing device cross-wise to a web travel direction.Type: GrantFiled: July 26, 2002Date of Patent: May 25, 2004Assignee: Voith Paper Patent GmbHInventors: Peter Kahl, Uwe Joos
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Patent number: 6705024Abstract: A machine for producing a material web is provided having at least one smooth roll at least partially wrapped by the material web. The machine includes an air blowing device arranged for ventilating the material web with at least one discharge stream, wherein the at least one discharge stream is directed into a wedge-shaped opening formed between the at least one at least one roll and the material web leaving the roll.Type: GrantFiled: May 16, 2001Date of Patent: March 16, 2004Assignee: Voith Paper Patent GmbHInventors: Peter Kahl, Markus Oechsle, Roland Mayer
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Patent number: 6668469Abstract: Device and process for removing a fibrous material web from a drying section of a machine for producing and/or refining the fibrous material web and into a catch device. The drying section includes heated drying cylinders, guidance rolls, and at least one drying wire arranged such that the fibrous material web is guided through the drying section over the heated drying cylinders and the guidance rolls at least predominately by the at least one drying wire. The device includes at least one controllable separating device arranged to at least reduce an adhesion force between the fibrous material web and the at least one drying wire.Type: GrantFiled: March 30, 2001Date of Patent: December 30, 2003Assignee: Voith Paper Patent GmbHInventors: Peter Kahl, Markus Oechsle, Karl Josef Böck, Thomas Augscheller, Stefan Dette
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Patent number: 6658758Abstract: In a drying section of a machine for producing a material web such as, in particular, a paper or cardboard web, a pick-up suction roll, in particular a larger pick-up suction roll, is provided between the last pressing nip of a pressing section and a subsequent impingement drying unit, which suction roll removes the material web from a pressing felt guided through the pressing nip or from a transfer belt and transfers it to the impingement drying unit.Type: GrantFiled: May 10, 2001Date of Patent: December 9, 2003Assignee: Voith Paper Patent GmbHInventors: Peter Kahl, Markus Oechsle, Wolfgang Mayer, Georg Kugler, Roland Mayer
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Publication number: 20030034139Abstract: Apparatus for treating a fibrous web that includes at least one supporting surface arranged to support a surface of the fibrous web, and at least one sealing device positionable adjacent a surface of the web opposite the surface of the web supported by the at least one supporting surface. The at least one sealing device includes a positionably adjustable sealing element. A distance between the positionably adjustable sealing element and the surface of the web opposite the surface supported by the at least one supporting surface is adjustable.Type: ApplicationFiled: July 26, 2002Publication date: February 20, 2003Applicant: Voith Paper Patent GmbHInventors: Peter Kahl, Uwe Joos
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Publication number: 20030034138Abstract: Apparatus for treating a fibrous web that includes at least one supporting surface arranged to support a surface of the fibrous web, and at least one sealing device positionable adjacent a surface of the web opposite the surface of the web supported by the at least one supporting surface. The at least one sealing device includes a sealing element and a holder structured and arranged to hold and to enable lateral sliding movement of the at least one sealing device cross-wise to a web travel direction.Type: ApplicationFiled: July 26, 2002Publication date: February 20, 2003Applicant: VOITH PAPER PATENT GmbHInventors: Peter Kahl, Uwe Joos
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Patent number: 6493962Abstract: Drying section of a machine for producing a material web. The drying section includes at least one web guidance device and at least one wire arranged to guide the material web through the at least one web guidance device. The at least one web guidance device is structured and arranged to direct pressurized gas at the material web so that, in a web travel direction, the material web is alternately lifted from the at least one wire and resting against the at least one wire.Type: GrantFiled: May 11, 2001Date of Patent: December 17, 2002Assignee: Voith Paper Patent GmbHInventors: Peter Kahl, Markus Oechsle, Roland Mayer, Eddie Bowden, Robert Procter
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Publication number: 20020116838Abstract: Impinging stream dryer and process for drying a fibrous material web that includes an air-permeable, endlessly circulating support belt structured and arranged to support a side of the fibrous material web, a device for impinging an opposite side of the fibrous material web with an impinging stream, and a belt cooling device arranged to cool at least an edge zone of said support belt that is directly impinged with the impinging stream.Type: ApplicationFiled: January 31, 2002Publication date: August 29, 2002Applicant: VOITH PAPER PATENT GmbHInventors: Peter Kahl, Markus Oechsle, Roland Mayer
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Publication number: 20020078588Abstract: A machine for producing a material web is provided having at least one smooth roll at least partially wrapped by the material web. The machine includes an air blowing device arranged for ventilating the material web with at least one discharge stream, wherein the at least one discharge stream is directed into a wedge-shaped opening formed between the at least one at least one roll and the material web leaving the roll.Type: ApplicationFiled: May 16, 2001Publication date: June 27, 2002Applicant: VOITH PAPER PATENT GmbHInventors: Peter Kahl, Markus Oechsle, Roland Mayer
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Patent number: 6361254Abstract: Process and apparatus for operating an apparatus to drill holes in the shell of a paper machine cylinder. The apparatus includes a stationary framework supportable on the paper machine, a feed frame that is radially movable along the stationary framework relative to the shell, and a drive unit. A plurality of drilling modules are coupled to the feed frame, which are rotatable via the drive unit, and the drilling modules include a drive shaft, at least two spindle heads, and at least two intermediate shafts arranged between the drive shaft and the at least two spindle heads, in which at least one of the at least two spindle heads in each drilling module is rotatable about a respective intermediate shaft of the drilling modules.Type: GrantFiled: July 12, 1999Date of Patent: March 26, 2002Assignees: Pikoteknik Oy, Voith Sulzer Papiermaschinen GmbHInventors: Ingmar Vesterlund, Georg Kugler, Markus Oechsle, Peter Kahl
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Publication number: 20010045023Abstract: In a drying section of a machine for producing a material web such as, in particular, a paper or cardboard web, a pick-up suction roll, in particular a larger pick-up suction roll, is provided between the last pressing nip of a pressing section and a subsequent impingement drying unit, which suction roll removes the material web from a pressing felt guided through the pressing nip or from a transfer belt and transfers it to the impingement drying unit.Type: ApplicationFiled: May 10, 2001Publication date: November 29, 2001Applicant: VOITH PAPER PATENT GmbHInventors: Peter Kahl, Markus Oechsle, Wolfgang Mayer, Georg Kugler, Roland Mayer
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Publication number: 20010045025Abstract: Device and process for removing a fibrous material web from a drying section of a machine for producing and/or refining the fibrous material web and into a catch device. The drying section includes heated drying cylinders, guidance rolls, and at least one drying wire arranged such that the fibrous material web is guided through the drying section over the heated drying cylinders and the guidance rolls at least predominately by the at least one drying wire. The device includes at least one controllable separating device arranged to at least reduce an adhesion force between the fibrous material web and the at least one drying wire.Type: ApplicationFiled: March 30, 2001Publication date: November 29, 2001Applicant: VOITH PAPER PATENT GmbHInventors: Peter Kahl, Markus Oechsle, Karl Josef Bock, Thomas Augscheller, Stefan Dette
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Publication number: 20010042316Abstract: Drying section of a machine for producing a material web. The drying section includes at least one web guidance device and at least one wire arranged to guide the material web through the at least one web guidance device. The at least one web guidance device is structured and arranged to direct pressurized gas at the material web so that, in a web travel direction, the material web is alternately lifted from the at least one wire and resting against the at least one wire.Type: ApplicationFiled: May 11, 2001Publication date: November 22, 2001Applicant: VOITH PAPER PATENT GmbHInventors: Peter Kahl, Markus Oechsle, Roland Mayer, Edwin Bowden, Robert Procter
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Patent number: 6192597Abstract: Device for treating a fibrous pulp web that includes at least one support face, which is one of moving and stationary. The fibrous pulp web may be guided over the at least one support face. The device also includes at least one sealing device positioned on a side of the fibrous pulp web facing away from the at least one support face to strip at least a majority of a bordering air layer that entrained by the fibrous pulp web. The at least one sealing device may include a sealing disc that is one of substantially straight and at least partially curved, and that is at least one of elastically formed and resiliently mounted.Type: GrantFiled: April 16, 1998Date of Patent: February 27, 2001Assignee: Voith Sulzer Papiermaschinen GmbHInventors: Peter Kahl, Karl-Heinz Klein, Wolfgang Müller, Markus Oechsle, Uwe Joos