Patents by Inventor Jonathan J. Earl
Jonathan J. Earl 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).
-
Patent number: 11230939Abstract: A vane seal system includes a first non-rotatable vane segment that has a first airfoil with a first pocket at one end thereof. A second non-rotatable vane segment includes a second airfoil with a second pocket at one end thereof spaced by a gap from the first pocket. A seal member spans across the gap and extends in the first pocket and the second pocket. The seal member includes a seal element and at least one spring portion configured to positively locate the seal member in a sealing direction. Also disclosed is a seal for a vane seal system and a method related thereto for damping relative movement between a first pocket and a second pocket.Type: GrantFiled: August 10, 2020Date of Patent: January 25, 2022Assignee: Raytheon Technologies CorporationInventors: Mark J. Rogers, Carl S. Richardson, Richard K. Hayford, Kenneth E. Carman, Jonathan J. Earl
-
Publication number: 20210108530Abstract: A vane seal system includes a first non-rotatable vane segment that has a first airfoil with a first pocket at one end thereof. A second non-rotatable vane segment includes a second airfoil with a second pocket at one end thereof spaced by a gap from the first pocket. A seal member spans across the gap and extends in the first pocket and the second pocket. The seal member includes a seal element and at least one spring portion configured to positively locate the seal member in a sealing direction. Also disclosed is a seal for a vane seal system and a method related thereto for damping relative movement between a first pocket and a second pocket.Type: ApplicationFiled: August 10, 2020Publication date: April 15, 2021Inventors: Mark J. Rogers, Carl S. Richardson, Richard K. Hayford, Kenneth E. Carman, Jonathan J. Earl
-
Patent number: 10808563Abstract: A vane seal system includes a first non-rotatable vane segment that has a first airfoil with a first pocket at one end thereof. A second non-rotatable vane segment includes a second airfoil with a second pocket at one end thereof spaced by a gap from the first pocket. A seal member spans across the gap and extends in the first pocket and the second pocket. The seal member includes a seal element and at least one spring portion configured to positively locate the seal member in a sealing direction. Also disclosed is a seal for a vane seal system and a method related thereto for damping relative movement between a first pocket and a second pocket.Type: GrantFiled: September 9, 2014Date of Patent: October 20, 2020Assignee: Raytheon Technologies CorporationInventors: Mark J. Rogers, Carl S. Richardson, Richard K. Hayford, Kenneth E. Carman, Jonathan J. Earl
-
Patent number: 10801342Abstract: A vane cluster for a gas turbine engine includes a first end-of-cluster vane, a second end-of-cluster vane, a neighbor vane adjacent to the second end-of-cluster vane at an interface that includes an angled load interface therebetween; and a multiple of base vanes between the first end-of-cluster vane and the neighbor vane, the angled load interface different than an interface between each of the multiple of base vane.Type: GrantFiled: March 11, 2015Date of Patent: October 13, 2020Assignee: Raytheon Technologies CorporationInventors: Mark David Ring, Scot A Webb, Mark J Rogers, Gerald D Cassella, Charles H Warner, Eric A Kuehne, Jonathan J Earl, Matthew M Zietala, Neil L Tatman, Randall J Butcher, Matthew R Willett, Nicholas R Leslie
-
Patent number: 10781716Abstract: A cooling scheme for a blade outer air seal includes a perimeter cooling arrangement configured to convectively cool a perimeter of the blade outer air seal, and a core cooling arrangement configured to cool a central portion of the blade outer air seal through impingement cooling and to provide film cooling to an inner diameter face of the blade outer air seal.Type: GrantFiled: January 21, 2019Date of Patent: September 22, 2020Assignee: United Technologies CorporationInventors: Susan M. Tholen, Dominic J. Mongillo, Paul M. Lutjen, James N. Knapp, Virginia L. Ross, Jonathan J. Earl, Eric A. Hudson
-
Publication number: 20200025027Abstract: A cooling scheme for a blade outer air seal includes a perimeter cooling arrangement configured to convectively cool a perimeter of the blade outer air seal, and a core cooling arrangement configured to cool a central portion of the blade outer air seal through impingement cooling and to provide film cooling to an inner diameter face of the blade outer air seal.Type: ApplicationFiled: January 21, 2019Publication date: January 23, 2020Inventors: Susan M. Tholen, Dominic J. Mongillo, Paul M. Lutjen, James N. Knapp, Virginia L. Ross, Jonathan J. Earl, Eric A. Hudson
-
Patent number: 10184353Abstract: A cooling scheme for a blade outer air seal includes a perimeter cooling arrangement configured to convectively cool a perimeter of the blade outer air seal, and a core cooling arrangement configured to cool a central portion of the blade outer air seal through impingement cooling and to provide film cooling to an inner diameter face of the blade outer air seal.Type: GrantFiled: February 22, 2016Date of Patent: January 22, 2019Assignee: United Technologies CorporationInventors: Susan M. Tholen, Dominic J. Mongillo, Paul M. Lutjen, James N. Knapp, Virginia L. Ross, Jonathan J. Earl, Eric A. Hudson
-
Patent number: 10119410Abstract: A vane seal system includes a non-rotatable vane segment that has an airfoil with a pocket at one end thereof. The pocket spans in an axial direction between forward and trailing sides, with respect to the airfoil, and in a lateral direction between open lateral sides. A seal member extends in the pocket. The seal member includes a seal element and at least one spring portion that is configured to positively locate the seal member in the axial direction in the pocket. A method for positioning the seal member in a vane seal system includes positively locating the seal member in the axial direction in the pocket using the spring portion.Type: GrantFiled: September 23, 2014Date of Patent: November 6, 2018Assignee: United Technologies CorporationInventors: Mark J. Rogers, Carl S. Richardson, Richard K. Hayford, Kenneth E. Carman, Jonathan J. Earl
-
Patent number: 9988915Abstract: One exemplary embodiment of this disclosure relates to a stator segment. The stator segment includes a first circumferential end face, and a second circumferential end face. Further, the first and second circumferential end faces are misaligned relative to one another.Type: GrantFiled: March 11, 2014Date of Patent: June 5, 2018Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Jonathan J. Earl, Carl S. Richardson
-
Patent number: 9797262Abstract: A vane cluster includes a split damped outer shroud and an inner shroud spaced from the split damped outer shroud with a multiple of stator vane airfoils that extend between the split damped outer shroud and the inner shroud.Type: GrantFiled: May 23, 2014Date of Patent: October 24, 2017Assignee: United Technologies CorporationInventors: Carl S. Richardson, Mark J. Rogers, Jonathan J. Earl, Kenneth E. Carman, Richard K. Hayford
-
Patent number: 9745864Abstract: Systems and methods are disclosed for anti-rotation lugs. A stator for a gas turbine engine may comprise an outer shroud, an inner shroud, and a plurality of vanes located between the outer shroud and the inner shroud. A plurality of anti-rotation lugs may be coupled to the inner shroud. The anti-rotation lugs may be configured to contact a diffuser case in order to prevent rotation of the stator. The anti-rotation lugs may comprise a body and a tapered shoulder. The tapered shoulder may distribute stress concentrations in the anti-rotation lugs.Type: GrantFiled: March 23, 2015Date of Patent: August 29, 2017Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Matthew R. Willett, Charles H. Warner, Gerald D. Cassella, Jonathan J. Earl, Christopher B. Lyons
-
Patent number: 9650905Abstract: A vane cluster for a gas turbine engine includes multiple singlet vanes and a forward wear liner connecting a forward edge of each singlet vane, thereby allowing the vane cluster to be manipulated as a single component.Type: GrantFiled: August 28, 2012Date of Patent: May 16, 2017Assignee: United Technologies CorporationInventors: Jonathan J. Earl, Eric A. Kuehne
-
Publication number: 20160333890Abstract: A gas turbine engine includes a circumferential array of vanes slidably supported in an inner case shroud segment. Multiple segments are secured to one another to provide an annular engine static structure section. The inner case shroud segment and the vanes have different material properties than one another.Type: ApplicationFiled: December 26, 2014Publication date: November 17, 2016Inventors: Richard K. Hayford, Mark J. Rogers, Carl S. Richardson, Jonathan J. Earl
-
Publication number: 20160237839Abstract: A vane seal system includes a first non-rotatable vane segment that has a first airfoil with a first pocket at one end thereof. A second non-rotatable vane segment includes a second airfoil with a second pocket at one end thereof spaced by a gap from the first pocket. A seal member spans across the gap and extends in the first pocket and the second pocket. The seal member includes a seal element and at least one spring portion configured to positively locate the seal member in a sealing direction. Also disclosed is a seal for a vane seal system and a method related thereto for damping relative movement between a first pocket and a second pocket.Type: ApplicationFiled: September 9, 2014Publication date: August 18, 2016Inventors: Mark J. Rogers, Carl S. Richardson, Richard K. Hayford, Kenneth E. Carman, Jonathan J. Earl
-
Publication number: 20160215637Abstract: A vane seal system includes a non-rotatable vane segment that has an airfoil with a pocket at one end thereof. The pocket spans in an axial direction between forward and trailing sides, with respect to the airfoil, and in a lateral direction between open lateral sides. A seal member extends in the pocket. The seal member includes a seal element and at least one spring portion that is configured to positively locate the seal member in the axial direction in the pocket. A method for positioning the seal member in a vane seal system includes positively locating the seal member in the axial direction in the pocket using the spring portion.Type: ApplicationFiled: September 23, 2014Publication date: July 28, 2016Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: Mark J. Rogers, Carl S. Richardson, Richard K. Hayford, Kenneth E. Carman, Jonathan J. Earl
-
Publication number: 20160208645Abstract: A cooling scheme for a blade outer air seal includes a perimeter cooling arrangement configured to convectively cool a perimeter of the blade outer air seal, and a core cooling arrangement configured to cool a central portion of the blade outer air seal through impingement cooling and to provide film cooling to an inner diameter face of the blade outer air seal.Type: ApplicationFiled: February 22, 2016Publication date: July 21, 2016Inventors: Susan M. Tholen, Dominic J. Mongillo, Paul M. Lutjen, James N. Knapp, Virginia L. Ross, Jonathan J. Earl, Eric A. Hudson
-
Publication number: 20160032742Abstract: One exemplary embodiment of this disclosure relates to a stator segment. The stator segment includes a first circumferential end face, and a second circumferential end face. Further, the first and second circumferential end faces are misaligned relative to one another.Type: ApplicationFiled: March 11, 2014Publication date: February 4, 2016Inventors: Jonathan J. EARL, Carl S. RICHARDSON
-
Publication number: 20150300205Abstract: Systems and methods are disclosed for anti-rotation lugs. A stator for a gas turbine engine may comprise an outer shroud, an inner shroud, and a plurality of vanes located between the outer shroud and the inner shroud. A plurality of anti-rotation lugs may be coupled to the inner shroud. The anti-rotation lugs may be configured to contact a diffuser case in order to prevent rotation of the stator. The anti-rotation lugs may comprise a body and a tapered shoulder. The tapered shoulder may distribute stress concentrations in the anti-rotation lugs.Type: ApplicationFiled: March 23, 2015Publication date: October 22, 2015Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: Matthew R. Willett, Charles H. Warner, Gerald D. Cassella, Jonathan J. Earl, Christopher B. Lyons
-
Publication number: 20150292342Abstract: A vane cluster for a gas turbine engine includes a first end-of-cluster vane, a second end-of-cluster vane, a neighbor vane adjacent to said second end-of-cluster vane; and a multiple of base vanes between said first end-of-cluster vane and said neighbor vane.Type: ApplicationFiled: March 11, 2015Publication date: October 15, 2015Inventors: Mark David Ring, Scot A. Webb, Mark J. Rogers, Gerald D. Cassella, Charles H. Warner, Eric A. Kuehne, Jonathan J. Earl, Matthew M. Zietala, Neil L. Tatman, Randall J. Butcher, Matthew R. Willett, Nicholas R. Leslie
-
Patent number: 9051849Abstract: A stator assembly for a turbofan gas turbine engine is disclosed. The stator assembly is coupled to a shroud of the engine. The stator assembly includes an endless case fixedly coupled to the engine shroud. The case includes a forward portion, an aft portion and a central portion disposed therebetween. The case extends about an axis of the engine. The forward and aft portions of the case include rails that extend towards each other and form forward and aft pockets with the central portion respectfully. The stator assembly also includes a locking stator segment. The locking stator segment includes a shroud that includes a forward hook and a pair of aft hooks with a platform disposed therebetween. The forward and aft hooks are retained in the forward and aft pockets of the case respectfully.Type: GrantFiled: February 13, 2012Date of Patent: June 9, 2015Assignee: United Technologies CorporationInventors: Mark David Ring, Jonathan J. Earl