Patents by Inventor Jeffrey Scott Dahl
Jeffrey Scott Dahl 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: 20240079682Abstract: Thermal barrier assemblies are provided for traction battery packs. An exemplary thermal barrier assembly may be configured to block or even prevent thermal energy associated with a battery thermal event from moving from cell-to-cell, compartment-to-compartment, and/or cell stack-to-cell stack within the traction battery pack. The thermal barrier assembly may include features such as a protective housing and a thermal insulating barrier provided within the protection housing. The protecting housing may be made of a metallic, ceramic, or polymeric material, for example. The thermal insulating barrier may include an aerogel, a foam, or an inorganic paper, for example.Type: ApplicationFiled: February 1, 2023Publication date: March 7, 2024Inventors: Mohammadreza Eftekhari, Kevin Durand BYRD, Kanchana PERUMALLA, Jeffrey Scott DAHL
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Patent number: 11318644Abstract: A method of producing a composite article is disclosed that includes generating composite plies from a low tack composite prepreg material, connecting, by an ultrasonic welding device, two or more of the composite plies by increasing their tackiness to form a composite stack, and forming, by a compression molding device, a composite article from the composite stack.Type: GrantFiled: June 16, 2017Date of Patent: May 3, 2022Assignee: Ford Global Technologies, LLCInventors: Jeffrey Scott Dahl, Michael Cacovic
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Patent number: 11040469Abstract: An assembly for compression molding includes an insert housing defining a plurality of apertures having stop surfaces. The assembly includes a plurality of inserts disposed within the apertures and in engagement with the stop surfaces. The assembly further includes a plurality of gas springs in biased engagement with the inserts. Individual gas springs of the plurality of gas springs are adapted to independently compress under load to permit independent movement of individual inserts within the apertures relative to the insert housing.Type: GrantFiled: July 17, 2017Date of Patent: June 22, 2021Assignee: Ford Global Technologies, LLCInventors: Jeffrey Scott Dahl, Patrick James Blanchard
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Publication number: 20190062956Abstract: In one embodiment, a fiber treatment system includes a rotatable nubbed roller including an axis of rotation, a surface, and a number of spaced apart nubs projecting away from the surface, the number of spaced apart nubs imparting a number of spaced apart openings in a fiber tow. In another embodiment, the fiber treatment system further includes an optionally rotatable spreader roller for flattening the fiber tow. In yet another embodiment, the loosened, but still continuous fiber tow is chopped by a downstream chopper to form short fibers with reduced tow sizes.Type: ApplicationFiled: October 26, 2018Publication date: February 28, 2019Inventors: Chen-Shih WANG, Charles William KNAKAL, Jeffrey Scott DAHL, Bhavesh Suresh SHAH
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Publication number: 20190061206Abstract: A compression molding assembly is provided. The compression molding assembly includes a lower assembly defining a cavity. The compression molding assembly also includes an upper assembly disposed opposite the lower assembly. The upper assembly defines a slotted interface having a slot extending into the upper assembly for receiving an out-of-plane portion of an insert component. The upper assembly further includes a magnetic locator pin for engaging an in-plane portion of the insert component.Type: ApplicationFiled: August 31, 2017Publication date: February 28, 2019Inventors: Jeffrey Scott DAHL, Michael Musa AZZOUZ
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Publication number: 20190016025Abstract: An assembly for compression molding includes an insert housing defining a plurality of apertures having stop surfaces. The assembly includes a plurality of inserts disposed within the apertures and in engagement with the stop surfaces. The assembly further includes a plurality of gas springs in biased engagement with the inserts. Individual gas springs of the plurality of gas springs are adapted to independently compress under load to permit independent movement of individual inserts within the apertures relative to the insert housing.Type: ApplicationFiled: July 17, 2017Publication date: January 17, 2019Inventors: Jeffrey Scott DAHL, Patrick James BLANCHARD
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Patent number: 10138579Abstract: In one embodiment, a fiber treatment system includes a rotatable nubbed roller including an axis of rotation, a surface, and a number of spaced apart nubs projecting away from the surface, the number of spaced apart nubs imparting a number of spaced apart openings in a fiber tow. In another embodiment, the fiber treatment system further includes an optionally rotatable spreader roller for flattening the fiber tow. In yet another embodiment, the loosened, but still continuous fiber tow is chopped by a downstream chopper to form short fibers with reduced tow sizes.Type: GrantFiled: February 19, 2015Date of Patent: November 27, 2018Assignee: United States Council For Automotive Research, LLCInventors: Chen-Shih Wang, Charles William Knakal, Jeffrey Scott Dahl, Bhavesh Suresh Shah
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Publication number: 20180015640Abstract: In at least one embodiment, a molding method for producing a molded article is provided. The method may include introducing polymer and fiber separately into an extruder in a first ratio to produce a first extruded material having a first fiber content and in a second ratio to produce a second extruded material having a second fiber content different from the first fiber content. The method may further include filling a first region of a mold with the first extruded material and a second region of the mold with the second extruded material. The extruded material may be formed as blanks for use in compression molding or may be introduced into an injection chamber for use in injection molding. The method may be used to form molded articles having a plurality of regions having different fiber contents.Type: ApplicationFiled: September 27, 2017Publication date: January 18, 2018Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Patrick James Blanchard, Jeffrey Scott Dahl
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Patent number: 9802338Abstract: In at least one embodiment, a molding method for producing a molded article is provided. The method may include introducing polymer and fiber separately into an extruder in a first ratio to produce a first extruded material having a first fiber content and in a second ratio to produce a second extruded material having a second fiber content different from the first fiber content. The method may further include filling a first region of a mold with the first extruded material and a second region of the mold with the second extruded material. The extruded material may be formed as blanks for use in compression molding or may be introduced into an injection chamber for use in injection molding. The method may be used to form molded articles having a plurality of regions having different fiber contents.Type: GrantFiled: October 16, 2013Date of Patent: October 31, 2017Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventors: Patrick James Blanchard, Jeffrey Scott Dahl
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Publication number: 20170282441Abstract: A method of producing a composite article is disclosed that includes generating composite plies from a low tack composite prepreg material, connecting, by an ultrasonic welding device, two or more of the composite plies by increasing their tackiness to form a composite stack, and forming, by a compression molding device, a composite article from the composite stack.Type: ApplicationFiled: June 16, 2017Publication date: October 5, 2017Applicant: Ford Global Technologies, LLCInventors: Jeffrey Scott Dahl, Michael Cacovic
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Publication number: 20160177475Abstract: In one embodiment, a fiber treatment system includes a rotatable nubbed roller including an axis 5 of rotation, a surface, and a number of spaced apart nubs projecting away from the surface, the number of spaced apart nubs imparting a number of spaced apart openings in a fiber tow. In another embodiment, the fiber treatment system further includes an optionally 10 rotatable spreader roller for flattening the fiber tow. In yet another embodiment, the loosened, but still continuous fiber tow is chopped by a downstream chopper to form short fibers with reduced tow sizes.Type: ApplicationFiled: February 19, 2015Publication date: June 23, 2016Inventors: Chen-Shih WANG, Charles William KNAKAL, Jeffrey Scott DAHL, Bhavesh Suresh SHAH
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Publication number: 20150151486Abstract: According to one or more embodiments, a system includes a cutter for cutting a composite material to form composite pieces, an ultrasonic welding device for connecting two or more of the composite pieces to form a composite stack, and a compression molding device for forming a composite article from the composite stack. The system may further include a transfer arm for delivering the composite pieces to the ultrasonic welding device. The system may further include a forming device to generate a composite preform which is then delivered to the compression molding device. Excess material may be trimmed off before, during or after the forming step to deliver a net-shape for the subsequent molding step.Type: ApplicationFiled: December 3, 2013Publication date: June 4, 2015Applicant: Ford Global Technologies, LLCInventors: Jeffrey Scott Dahl, Michael Cacovic
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Publication number: 20150104633Abstract: In at least one embodiment, a molding method for producing a molded article is provided. The method may include introducing polymer and fiber separately into an extruder in a first ratio to produce a first extruded material having a first fiber content and in a second ratio to produce a second extruded material having a second fiber content different from the first fiber content. The method may further include filling a first region of a mold with the first extruded material and a second region of the mold with the second extruded material. The extruded material may be formed as blanks for use in compression molding or may be introduced into an injection chamber for use in injection molding. The method may be used to form molded articles having a plurality of regions having different fiber contents.Type: ApplicationFiled: October 16, 2013Publication date: April 16, 2015Applicant: Ford Global Technologies, LLCInventors: Patrick James Blanchard, Jeffrey Scott Dahl
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Publication number: 20140083267Abstract: A method and apparatus for producing an article. The method includes providing a fiber material, splitting the fiber material with a splitting roller having a set of grooves that extend continuously around a circumference of the splitting roller, and cutting the fiber material to a desired length.Type: ApplicationFiled: December 2, 2013Publication date: March 27, 2014Applicant: Ford Global Technologies, LLCInventors: Raymond Silva, Jeffrey Scott Dahl
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Patent number: 8616110Abstract: A method and apparatus for producing an article. The method includes providing a fiber material, splitting the fiber material with a splitting roller having a set of grooves that extend continuously around a circumference of the splitting roller, and cutting the fiber material to a desired length.Type: GrantFiled: September 1, 2010Date of Patent: December 31, 2013Assignee: Ford Global Technologies, LLCInventors: Raymond Silva, Jeffrey Scott Dahl
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Publication number: 20120213997Abstract: In one embodiment, a fiber treatment system includes a rotatable nubbed roller including an axis of rotation, a surface, and a number of spaced apart nubs projecting away from the surface, the number of spaced apart nubs imparting a number of spaced apart openings in a fiber tow. In another embodiment, the fiber treatment system further includes an optionally rotatable spreader roller for flattening the fiber tow. In yet another embodiment, the loosened, but still continuous fiber tow is chopped by a downstream chopper to form short fibers with reduced tow sizes.Type: ApplicationFiled: February 21, 2011Publication date: August 23, 2012Applicant: UNITED STATES COUNCIL FOR AUTOMOTIVE RESEARCHInventors: Chen-Shih Wang, Charles William Knakal, Jeffrey Scott Dahl, Bhavesh Suresh Shah
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Publication number: 20120048082Abstract: A method and apparatus for producing an article. The method includes providing a fiber material, splitting the fiber material with a splitting roller having a set of grooves that extend continuously around a circumference of the splitting roller, and cutting the fiber material to a desired length.Type: ApplicationFiled: September 1, 2010Publication date: March 1, 2012Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Raymond Silva, Jeffrey Scott Dahl
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Publication number: 20100126412Abstract: A SMC lamination line is disclosed that has an upper carrier film and a lower carrier film with oriented chopped fibers being deposited between the carrier films. Resin paste or adhesive is provided to retain oriented fibers on the lower carrier film. A guide roller guides the carrier film in close proximity to an in-feed conveyor that feeds oriented chopped fiber unto the lower carrier film. The guide roller is preferably less than the diameter of the end roller of the feed conveyor. The guide roller is also preferably within the arc of movement of the ends of the oriented chopped fibers to ensure a smooth and non-disruptive transfer of the oriented chopped fibers to the lower carrier film.Type: ApplicationFiled: November 25, 2008Publication date: May 27, 2010Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Jeffrey Scott Dahl, Raymond Silva, James E. DeVries, Carl Frederick Johnson
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Patent number: 6890465Abstract: Methods for the manufacture of reinforcing preforms for structural composite products. Minimum contact eyelets reduce friction in the supply provide chopped reinforcing materials to both of said first and second mold members, and spraying said chopped reinforcing materials into both of said first and second mold members.Type: GrantFiled: February 7, 2003Date of Patent: May 10, 2005Assignee: Ford Motor CompanyInventors: Jeffrey Scott Dahl, Eric Daniel Kleven, Gerald Norman Chavka, Carl Frederick Johnson
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Publication number: 20030118681Abstract: Methods and systems for the manufacture of reinforcing preforms for structural composite products. Minimum contact eyelets reduce friction in the supply system for string reinforcing materials. Also, preforms of various configurations and thicknesses can be produced.Type: ApplicationFiled: February 7, 2003Publication date: June 26, 2003Inventors: Jeffrey Scott Dahl, Eric Daniel Kleven, Norman Gerald Chavka, Carl Frederick Johnson