Patents by Inventor Michael James Weimer
Michael James Weimer 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: 11827570Abstract: The present disclosure relates to a method of fabricating a ceramic composite components. The method may include providing at least a first layer of reinforcing fiber material which may be a pre-impregnated fiber. An additively manufactured component may be provided on or near the first layer. A second layer of reinforcing fiber, which may be a pre-impregnated fiber may be formed on top the additively manufactured component. A precursor is densified to consolidates at least the first and second layer into a densified composite, wherein the additively manufactured material defines at least one cooling passage in the densified composite component.Type: GrantFiled: July 20, 2021Date of Patent: November 28, 2023Assignee: General Electric CompanyInventors: Tao Li, Timothy P. Coons, Xi Yang, Michael James Weimer
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Publication number: 20220048825Abstract: The present disclosure relates to a method of fabricating a ceramic composite components. The method may include providing at least a first layer of reinforcing fiber material which may be a pre-impregnated fiber. An additively manufactured component may be provided on or near the first layer. A second layer of reinforcing fiber, which may be a pre-impregnated fiber may be formed on top the additively manufactured component. A precursor is densified to consolidates at least the first and second layer into a densified composite, wherein the additively manufactured material defines at least one cooling passage in the densified composite component.Type: ApplicationFiled: July 20, 2021Publication date: February 17, 2022Inventors: Tao Li, Timothy P. Coons, Xi Yang, Michael James Weimer
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Patent number: 11066335Abstract: The present disclosure relates to a method of fabricating a ceramic composite components. The method may include providing at least a first layer of reinforcing fiber material which may be a pre-impregnated fiber. An additively manufactured component may be provided on or near the first layer. A second layer of reinforcing fiber, which may be a pre-impregnated fiber may be formed on top the additively manufactured component. A precursor is densified to consolidates at least the first and second layer into a densified composite, wherein the additively manufactured material defines at least one cooling passage in the densified composite component.Type: GrantFiled: September 6, 2017Date of Patent: July 20, 2021Assignee: GENERAL ELECTRIC COMPANYInventors: Tao Li, Timothy P. Coons, Xi Yang, Michael James Weimer
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Patent number: 10597756Abstract: Gamma titanium aluminide intermetallic compositions (gamma TiAl intermetallics) based on the TiAl (gamma) intermetallic compound. The gamma TiAl intermetallics contain chromium and niobium, as well as controlled amounts of carbon that achieve a desirable balance in room temperature mechanical properties and high temperature creep capabilities at temperatures approaching and possibly exceeding 1600° F. (about 870° C.).Type: GrantFiled: April 11, 2012Date of Patent: March 24, 2020Assignee: General Electric CompanyInventors: Michael James Weimer, Bernard Patrick Bewlay, Michael Francis Xavier Gigliotti, Jr., Thomas Joseph Kelly
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Publication number: 20190071363Abstract: The present disclosure relates to a method of fabricating a ceramic composite components. The method may include providing at least a first layer of reinforcing fiber material which may be a pre-impregnated fiber. An additively manufactured component may be provided on or near the first layer. A second layer of reinforcing fiber, which may be a pre-impregnated fiber may be formed on top the additively manufactured component. A precursor is densified to consolidates at least the first and second layer into a densified composite, wherein the additively manufactured material defines at least one cooling passage in the densified composite component.Type: ApplicationFiled: September 6, 2017Publication date: March 7, 2019Inventors: Tao LI, Timothy P. COONS, Xi YANG, Michael James WEIMER
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Publication number: 20180245194Abstract: An article includes a substrate comprising a precipitate-strengthened alloy and a coating disposed over the substrate. The alloy comprises a) a population of gamma-prime precipitates, the population having a multimodal size distribution with at least one mode corresponding to a size of less than about 100 nanometers; or b) a population of gamma-double-prime precipitates having a median size less than about 300 nanometers. The coating comprises at least two elements, and further comprises a plurality of prior particles. At least a portion of the coating is substantially free of rapid solidification artifacts. Methods for fabricating the article and for processing powder useful for fabricating the article are also provided.Type: ApplicationFiled: April 27, 2018Publication date: August 30, 2018Inventors: Andrew Joseph Detor, Leonardo Ajdelsztajn, Thomas Michael Bigelow, Richard Didomizio, Andrew William Emge, James Anthony Ruud, Michael James Weimer
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Patent number: 10017844Abstract: An article includes a substrate comprising a precipitate-strengthened alloy and a coating disposed over the substrate. The alloy comprises a) a population of gamma-prime precipitates, the population having a multimodal size distribution with at least one mode corresponding to a size of less than about 100 nanometers; or b) a population of gamma-double-prime precipitates having a median size less than about 300 nanometers. The coating comprises at least two elements, and further comprises a plurality of prior particles. At least a portion of the coating is substantially free of rapid solidification artifacts. Methods for fabricating the article and for processing powder useful for fabricating the article are also provided.Type: GrantFiled: December 18, 2015Date of Patent: July 10, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Andrew Joseph Detor, Leonardo Ajdelsztajn, Thomas Michael Bigelow, Richard Didomizio, Andrew William Emge, James Anthony Ruud, Michael James Weimer
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Patent number: 9931815Abstract: Coatings for substrates, such as superalloy substrates, are provided. The coating can include: 15 wt % to 45 wt % cobalt; 20 wt % to 40 wt % chromium; 2 wt % to 15 wt % aluminum; 0.1 wt % to 1 wt % yttrium; and nickel. The coatings may include nickel, cobalt, chromium and aluminum, and other optional additives to improve oxidation and corrosion resistance of the substrate without significant debit to its mechanical properties.Type: GrantFiled: March 12, 2014Date of Patent: April 3, 2018Assignee: General Electric CompanyInventors: David Paul Mourer, Leonardo Ajdelsztajn, Kenneth Rees Bain, Andrew Joseph Detor, Andrew William Emge, James Anthony Ruud, Michael James Weimer
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Publication number: 20170175244Abstract: An article includes a substrate comprising a precipitate-strengthened alloy and a coating disposed over the substrate. The alloy comprises a) a population of gamma-prime precipitates, the population having a multimodal size distribution with at least one mode corresponding to a size of less than about 100 nanometers; or b) a population of gamma-double-prime precipitates having a median size less than about 300 nanometers. The coating comprises at least two elements, and further comprises a plurality of prior particles. At least a portion of the coating is substantially free of rapid solidification artifacts. Methods for fabricating the article and for processing powder useful for fabricating the article are also provided.Type: ApplicationFiled: December 18, 2015Publication date: June 22, 2017Inventors: Andrew Joseph Detor, Leonardo Ajdelsztajn, Thomas Michael Bigelow, Richard Didomizio, Andrew William Emge, James Anthony Ruud, Michael James Weimer
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Patent number: 9592548Abstract: The disclosure relates generally to mold compositions and methods of molding and the articles so molded. More specifically, the disclosure relates to mold compositions, intrinsic facecoat compositions, and methods for casting titanium-containing articles, and the titanium-containing articles so molded, where the mold comprises calcium hexaluminate.Type: GrantFiled: January 29, 2013Date of Patent: March 14, 2017Assignee: General Electric CompanyInventors: Bernard Patrick Bewlay, Michael James Weimer, Stephen Francis Bancheri, Joan McKiever, Brian Michael Ellis
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Publication number: 20160031186Abstract: Coatings for substrates, such as superalloy substrates, are provided. The coating can include: 15 wt % to 45 wt % cobalt; 20 wt % to 40 wt % chromium; 2 wt % to 15 wt % aluminum; 0.1 wt % to 1 wt % yttrium; and nickel. The coatings may include nickel, cobalt, chromium and aluminum, and other optional additives to improve oxidation and corrosion resistance of the substrate without significant debit to its mechanical properties.Type: ApplicationFiled: March 12, 2014Publication date: February 4, 2016Inventors: David Paul MOURER, Leonardo AJDELSZTAJN, Kenneth Rees BAIN, Andrew Joseph DETOR, Andrew William EMGE, James Anthony RUUD, Michael James WEIMER
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Patent number: 9186719Abstract: A titanium-containing article casting mold composition includes calcium aluminate and an X-ray or Neutron-ray detectable element. A method for detecting sub-surface ceramic inclusions in a titanium or titanium alloy casting includes combining calcium aluminate, an element more radiographically dense than the calcium aluminate, and a liquid to form a slurry; forming a mold having the calcium aluminate and the radiographically dense element from the slurry; introducing a titanium aluminide-containing metal to the radiographically dense element-bearing mold; solidifying the titanium aluminide-containing metal to form an article in the mold; removing the solidified titanium aluminide-containing metal article from said mold; subjecting the solidified titanium aluminide-containing article to radiographic inspection to provide a radiograph; and examining the radiograph for the presence of the radiographically dense element on or in the article.Type: GrantFiled: November 12, 2013Date of Patent: November 17, 2015Assignee: General Electric CompanyInventors: Bernard Patrick Bewlay, Michael James Weimer, Joan McKiever, Brian Michael Ellis
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Publication number: 20140209268Abstract: The disclosure relates generally to mold compositions and methods of molding and the articles so molded. More specifically, the disclosure relates to mold compositions, intrinsic facecoat compositions, and methods for casting titanium-containing articles, and the titanium-containing articles so molded, where the mold comprises calcium hexaluminate.Type: ApplicationFiled: January 29, 2013Publication date: July 31, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Bernard Patrick BEWLAY, Michael James WEIMER, Stephen Francis BANCHERI, Joan MCKIEVER, Brian Michael ELLIS
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Publication number: 20140076512Abstract: The present disclosure relates to a titanium-containing article casting mold composition comprising calcium aluminate and an X-ray or Neutron-ray detectable element. Furthermore, present embodiments teach a method for detecting sub-surface ceramic inclusions in a titanium or titanium alloy casting by combining calcium aluminate, an element more radiographically dense than the calcium aluminate, and a liquid to form a slurry; forming a mold having the calcium aluminate and the radiographically dense element from the slurry; introducing a titanium aluminide-containing metal to the radiographically dense element-bearing mold; solidifying said titanium aluminide-containing metal to form an article in the mold; removing the solidified titanium aluminide-containing metal article from said mold; subjecting the solidified titanium aluminide-containing article to radiographic inspection to provide a radiograph; and examining said radiograph for the presence of the radiographically dense element on or in the article.Type: ApplicationFiled: November 12, 2013Publication date: March 20, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Bernard Patrick Bewlay, Michael James Weimer, Joan K. McKiever, Brian Michael Ellis
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Publication number: 20130248061Abstract: Methods of processing compositions containing titanium and aluminum, especially titanium aluminide intermetallic compositions (TiAl intermetallics) based on the TiAl (gamma) intermetallic compound. The methods entail processing steps that include a hot isostatic pressing (HIP) cycle and a heat treatment cycle that can be performed in a single vessel. TiAl intermetallic compositions processed in this manner preferably exhibit a duplex microstructure containing equiaxed and lamellar morphologies.Type: ApplicationFiled: April 30, 2012Publication date: September 26, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Thomas Joseph Kelly, Bernard Patrick Bewlay, Michael James Weimer, Richard Kenneth Whitacre
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Publication number: 20130251537Abstract: Gamma titanium aluminide intermetallic compositions (gamma TiAl intermetallics) based on the TiAl (gamma) intermetallic compound. The gamma TiAl intermetallics contain chromium and niobium, as well as controlled amounts of carbon that achieve a desirable balance in room temperature mechanical properties and high temperature creep capabilities at temperatures approaching and possibly exceeding 1600° F. (about 870° C.).Type: ApplicationFiled: April 11, 2012Publication date: September 26, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Michael James Weimer, Bernard Patrick Bewlay, Michael Francis Xavier Gigliotti, JR., Thomas Joseph Kelly
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Patent number: 8236232Abstract: Methods for making a reinforced refractory crucible for melting titanium alloys including providing a form, applying a facecoat to the form, the facecoat having at least one facecoat layer, applying a backing about the facecoat, the backing having at least one backing layer, applying at least one reinforcing element to at least a portion of the facecoat layer, the backing layer, or a combination thereof where the reinforcing element includes at least one composition selected from ceramic compositions, metallic compositions, and combinations thereof.Type: GrantFiled: September 28, 2007Date of Patent: August 7, 2012Assignee: General Electric CompanyInventors: Bernard Patrick Bewlay, Michael Francis Xavier Gigliotti, Thomas Joseph Kelly, Mohamed Rahmane, Stephen Rutkowski, Michael James Weimer, Sairam Sundaram
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Patent number: 8062581Abstract: Refractory crucibles capable of managing thermal stress and suitable for melting highly reactive alloys having a facecoat, a backing, and at least one retaining ring applied about at least a portion of the backing of the crucible, the retaining ring comprising a composition selected from the group consisting of conductive materials, non-conductive materials, and combinations thereof.Type: GrantFiled: November 30, 2007Date of Patent: November 22, 2011Inventors: Bernard Patrick Bewlay, Michael Francis Xavier Gigliotti, Mohamed Rahmane, Thomas Joseph Kelly, Michael James Weimer, Sairam Sundaram
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Patent number: 8048365Abstract: Crucibles for melting titanium alloys having a facecoat including at least one facecoat layer containing an oxide selected from scandium oxide, yttrium oxide, hafnium oxide, a lanthanide series oxide, and combinations thereof, and a backing including at least one backing layer where the crucible has a backing to facecoat thickness ratio of from about 6.5:1 to about 20:1.Type: GrantFiled: September 28, 2007Date of Patent: November 1, 2011Assignee: General Electric CompanyInventors: Bernard Patrick Bewlay, Brian Michael Ellis, Michael Francis Xavier Gigliotti, Thomas Joseph Kelly, Mohamed Rahmane, Stephen Francis Rutkowski, Michael James Weimer, Joseph Carl Wukusick
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Patent number: 8007712Abstract: Reinforced crucibles for melting titanium alloys having a facecoat including at least one facecoat layer, a backing including at least one backing layer, and at least one reinforcing element applied to at least a portion of one or more of the facecoat layer, the backing layer, or a combination thereof where the reinforcing element includes at least one composition selected from ceramic compositions, metallic compositions, and combinations thereof.Type: GrantFiled: September 28, 2007Date of Patent: August 30, 2011Assignee: General Electric CompanyInventors: Bernard Patrick Bewlay, Michael Francis Xavier Gigliotti, Thomas Joseph Kelly, Mohamed Rahmane, Stephen Rutkowski, Michael James Weimer, Sairam Sundaram