Patents by Inventor Daniel Frederick Purdy
Daniel Frederick Purdy 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: 8925199Abstract: A method for fabricating a brush seal assembly comprising, bending a first plate member to a helical shape, bending a second plate member to a helical shape, securing the first plate member to a drum, winding a wire material around the drum and the first plate member, securing the second plate member to the drum, attaching the second plate member and the first plate member to the wire, and cutting the wire to define a bristle length.Type: GrantFiled: July 18, 2011Date of Patent: January 6, 2015Assignee: General Electric CompanyInventors: William Edward Adis, Bernard Arthur Couture, Jr., Marshall Gordon Jones, Michael Dennis Mack, Daniel Frederick Purdy
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Patent number: 8919633Abstract: According to one aspect of the invention, a method for assembling a turbine includes placing a middle layer between a first and second outer member, wherein the middle layer includes a non-continuous layer of material and the first and second outer members each include a member of continuous material and welding a primary joint between the middle layer, first outer member and second outer member, the primary joint extending through the first outer member, the middle layer and at least a portion of the second outer member. The method also includes welding a secondary joint between the middle layer and first outer member, the secondary joint extending through the first outer member and at least a portion of the middle layer.Type: GrantFiled: January 4, 2012Date of Patent: December 30, 2014Assignee: General Electric CompanyInventors: Yan Cui, William Edward Adis, Srikanth Chandrudu Kottilingam, Dechao Lin, Michael Dennis Mack, Daniel Frederick Purdy
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Patent number: 8794631Abstract: A compliant plate seal manufacturing method is provided. The method includes assembling a plurality of compliant plates and a plurality of spacer shims into a weld fixture, thereby forming a leaf pack having a front and rear end and sides and a curvature, welding the sides of the leaf pack to hook plates on the weld fixture, removing a portion of the weld fixture, removing a portion of the hook plates and applying a radial flow plate to the leaf pack.Type: GrantFiled: January 12, 2009Date of Patent: August 5, 2014Assignee: General Electric CompanyInventors: Michael Dennis Mack, William Edward Adis, Hrishikesh Vishvas Deo, Daniel Frederick Purdy, Norman Arnold Turnquist
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Publication number: 20130323522Abstract: A large volume, cast superalloy pressure containment vessel is disclosed. The vessel includes a hollow body portion having a volume of at least about 4 cubic feet and a substantially porosity-free cast microstructure. The containment vessel configured for operation at an operating temperature of at least about 1,200° F. and an operating pressure of at least about 1,500 psi. A large volume, cast superalloy article is also disclosed. The article has a volume of at least about 4 cubic feet and a substantially porosity-free cast microstructure, the article configured for operation at an operating temperature of at least about 1,400° F.Type: ApplicationFiled: June 5, 2012Publication date: December 5, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Daniel Frederick Purdy, Robin Carl Schwant
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Publication number: 20130168926Abstract: According to one aspect of the invention, a method for assembling a turbine includes placing a middle layer between a first and second outer member, wherein the middle layer includes a non-continuous layer of material and the first and second outer members each include a member of continuous material and welding a primary joint between the middle layer, first outer member and second outer member, the primary joint extending through the first outer member, the middle layer and at least a portion of the second outer member. The method also includes welding a secondary joint between the middle layer and first outer member, the secondary joint extending through the first outer member and at least a portion of the middle layer.Type: ApplicationFiled: January 4, 2012Publication date: July 4, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Yan Cui, William Edward Adis, Srikanth Chandrudu Kottilingam, Dechao Lin, Michael Dennis Mack, Daniel Frederick Purdy
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Patent number: 8250756Abstract: A compliant plate seal arrangement manufacturing method is provided. A compliant plate seal manufacturing method includes assembling a plurality of t-shims and a plurality of spacer shims into a straight weld fixture, thereby forming a shim pack having a front and rear end and sides, welding the sides of the shim pack to a top plate, removing a portion of the weld fixture, removing the plurality of spacer shims, shaping the shim pack into a target diameter, and applying a radial flow plate to the leaf pack.Type: GrantFiled: February 20, 2009Date of Patent: August 28, 2012Assignee: General Electric CompanyInventors: William Edward Adis, Bernard Arthur Couture, Jr., Hrishikesh Vishvas Deo, Sean Douglas Feeny, Michael Dennis Mack, Daniel Frederick Purdy, Norman Arnold Turnquist
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Publication number: 20110272891Abstract: A method for fabricating a brush seal assembly comprising, bending a first plate member to a helical shape, bending a second plate member to a helical shape, securing the first plate member to a drum, winding a wire material around the drum and the first plate member, securing the second plate member to the drum, attaching the second plate member and the first plate member to the wire, and cutting the wire to define a bristle length.Type: ApplicationFiled: July 18, 2011Publication date: November 10, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: William Edward Adis, Bernard Arthur Couture, JR., Marshall Gordon Jones, Michael Dennis Mack, Daniel Frederick Purdy
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Patent number: 8051563Abstract: A method for fabricating a brush seal assembly comprising, bending a first plate member to a helical shape, bending a second plate member to a helical shape, securing the first plate member to a drum, winding a wire material around the drum and the first plate member, securing the second plate member to the drum, attaching the second plate member and the first plate member to the wire, and cutting the wire to define a bristle length.Type: GrantFiled: February 6, 2009Date of Patent: November 8, 2011Assignee: General Electric CompanyInventors: William Edward Adis, Bernard Arthur Couture, Jr., Marshall Gordon Jones, Michael Dennis Mack, Daniel Frederick Purdy
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Publication number: 20100213675Abstract: A compliant plate seal arrangement manufacturing method is provided. A compliant plate seal manufacturing method includes assembling a plurality of t-shims and a plurality of spacer shims into a straight weld fixture, thereby forming a shim pack having a front and rear end and sides, welding the sides of the shim pack to a top plate, removing a portion of the weld fixture, removing the plurality of spacer shims, shaping the shim pack into a target diameter, and applying a radial flow plate to the leaf pack.Type: ApplicationFiled: February 20, 2009Publication date: August 26, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: William Edward Adis, Bernard Arthur Couture, JR., Hrishikesh Vishvas Deo, Sean Douglas Feeny, Michael Dennis Mack, Daniel Frederick Purdy, Norman Arnold Turnquist
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Publication number: 20100201073Abstract: A method for fabricating a brush seal assembly comprising, bending a first plate member to a helical shape, bending a second plate member to a helical shape, securing the first plate member to a drum, winding a wire material around the drum and the first plate member, securing the second plate member to the drum, attaching the second plate member and the first plate member to the wire, and cutting the wire to define a bristle length.Type: ApplicationFiled: February 6, 2009Publication date: August 12, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: William Edward Adis, Bernard Arthur Couture, JR., Marshall Gordon Jones, Michael Dennis Mack, Daniel Frederick Purdy
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Publication number: 20100176556Abstract: A compliant plate seal manufacturing method is provided. The method includes assembling a plurality of compliant plates and a plurality of spacer shims into a weld fixture, thereby forming a leaf pack having a front and rear end and sides and a curvature, welding the sides of the leaf pack to hook plates on the weld fixture, removing a portion of the weld fixture, removing a portion of the hook plates and applying a radial flow plate to the leaf pack.Type: ApplicationFiled: January 12, 2009Publication date: July 15, 2010Applicant: General Electric CompanyInventors: Michael Dennis Mack, William Edward Adis, Hrishikesh Vishvas Deo, Daniel Frederick Purdy, Norman Arnold Turnquist