Patents by Inventor Andy W. Tibbs
Andy W. Tibbs 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: 11753996Abstract: A fuel injector assembly can include a manifold defining a manifold channel and a nozzle extending from the manifold. The nozzle can be configured to direct flow from the manifold channel into a combustor. The nozzle can define a fuel inlet open to the manifold channel, a fuel outlet configured to be open to a combustor, and a throat fluidly connecting the fuel inlet to the fuel outlet. The assembly can include a trim device inserted into the manifold. The trim device can be configured to adjust flow between the manifold channel and the fuel inlet to adjust flow through the throat and out of the fuel outlet.Type: GrantFiled: August 25, 2022Date of Patent: September 12, 2023Assignee: Collins Engine Nozzles, Inc.Inventors: Jason A. Ryon, Brandon P. Williams, Andy W. Tibbs
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Patent number: 11486580Abstract: A spacer for a fluid nozzle can include a body configured to fit within a sheath of the fluid nozzle such that a fluid tube positioned within the sheath is held bent over its longitudinal dimension by the body thereby altering a natural frequency of the fuel tube compared to if the fuel tube were not held bent.Type: GrantFiled: January 24, 2020Date of Patent: November 1, 2022Assignee: Collins Engine Nozzles, Inc.Inventors: Mark A. Caples, Andy W. Tibbs, Patrick Leer
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Publication number: 20210231306Abstract: A spacer for a fluid nozzle can include a body configured to fit within a sheath of the fluid nozzle such that a fluid tube positioned within the sheath is held bent over its longitudinal dimension by the body thereby altering a natural frequency of the fuel tube compared to if the fuel tube were not held bent.Type: ApplicationFiled: January 24, 2020Publication date: July 29, 2021Applicant: Delavan Inc.Inventors: Mark A. Caples, Andy W. Tibbs, Patrick Leer
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Patent number: 10941938Abstract: In accordance with at least one aspect of this disclosure, a fuel injector can include an annular body defining a gas fuel inlet therein, and a structure extending radially outward from the annular body and configured to extend into an air circuit. The structure can include a gas channel defined within the structure at least partially along a radial length of the structure. The gas channel is in fluid communication with the gas fuel inlet where the structure meets the annular body. The structure also includes a slot opening defined at least partially along a radial length of the structure and configured to fluidically connect the gas channel and the air circuit to all gas fuel to effuse into the air circuit.Type: GrantFiled: February 22, 2018Date of Patent: March 9, 2021Assignee: Delavan Inc.Inventors: Andy W. Tibbs, Gregory A. Zink, Thomas J. Ocken, Lev Alexander Prociw
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Patent number: 10807108Abstract: A fluid spray nozzle tip can include a feed hole body that defines at least one feed hole and a spray outlet, the at least one feed hole being in direct fluid communication with the spray outlet without also being in fluid communication with an upstream spin chamber. The at least one feed hole can be a plurality of feed holes, wherein the tip further includes a pintle sealing surface body extending from the feed hole body and configured to allow a pintle to seal against a sealing surface thereof.Type: GrantFiled: July 19, 2017Date of Patent: October 20, 2020Assignee: DELAVAN INC.Inventors: Andy W. Tibbs, Philip E. O. Buelow
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Publication number: 20200290061Abstract: An injector includes a housing including a fluid passage extending from an inlet of the housing to an outlet end of the housing. An actuator is mounted within the housing. A pintle extends along a longitudinal axis from an actuator end to a pintle head. The actuator end of the pintle is operatively connected to the actuator for actuation along the longitudinal axis. A tip member is mounted to the outlet end of the housing. The tip member includes an outlet orifice and a pintle seat. In a seated position of the pintle, the pintle head blocks flow to the outlet orifice. In an open position of the pintle, the pintle head allows flow. The pintle head includes a swirl passage therein, wherein the swirl passage is angled tangential relative to the longitudinal axis to induce swirl on flow passing between the pintle head and the pintle seat.Type: ApplicationFiled: June 3, 2020Publication date: September 17, 2020Inventors: Douglas L. Ummel, John Earl Short, Andy W. Tibbs
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Publication number: 20200292168Abstract: A swirler includes an inner body defining a swirl axis. A plurality of swirl vanes extend outward from the inner body. The swirl vanes define respective swirl slots therebetween for imparting swirl on a fluid passing through the swirl slots. A method of making swirlers includes additively manufacturing a stack of swirlers.Type: ApplicationFiled: February 10, 2020Publication date: September 17, 2020Applicant: Delavan Inc.Inventors: Jason A. Ryon, Joseph Samo, Jacob Greenfield, Andy W. Tibbs
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Publication number: 20200072129Abstract: A nozzle tip includes a nozzle tip body defining an upstream surface and an opposed downstream surface. An outlet orifice is defined through the nozzle tip body for fluid communication from a space upstream of the upstream surface to a space downstream of the downstream surface. The outlet orifice includes a cylindrical outlet portion defining an outlet axis, and a tapered inlet portion upstream of the outlet portion. The tapered inlet portion converges down towards the outlet axis in a direction from the upstream surface toward the downstream surface.Type: ApplicationFiled: November 7, 2019Publication date: March 5, 2020Applicant: Delavan Inc.Inventors: Steven J. Myers, Andy W. Tibbs, Joseph Samo, Jason A. Ryon
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Patent number: 10576510Abstract: A system for cleaning an additive manufacturing machine recoater includes a position module for sensing and/or determining a position of a recoater of the additive manufacturing machine and a gas manifold disposed in the additive manufacturing machine and configured to spray a pressurized gas on the recoater when the recoater is in at least one cleaning position. The system includes a valve configured to allow the pressurized gas to flow from a gas source to the gas manifold, and a valve control module configured to control the valve as a function of the position sensed and/or determined by the position module.Type: GrantFiled: May 26, 2017Date of Patent: March 3, 2020Assignee: DELAVAN, INC.Inventors: Matthew Donovan, Danielle Douskey, Andy W. Tibbs
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Patent number: 10578531Abstract: A system can include a torsion applicator (e.g., a torsion motor and shaft) configured to apply a torque to a test article that is additively built on and attached to a build plate. The system can include at least one twist sensor and at least one torque sensor. A method for determining quality of an additively manufactured article or batch thereof can include torsion testing at least one additively manufactured test article that is built on and attached to a build plate while the at least one test article is still attached to the build plate.Type: GrantFiled: July 10, 2018Date of Patent: March 3, 2020Assignee: Delavan Inc.Inventors: Jacob Greenfield, Thomas J. Ocken, Andy W. Tibbs, Lukas Shea, Joseph Samo
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Patent number: 10557630Abstract: A swirler includes an inner body defining a swirl axis. A plurality of swirl vanes extend outward from the inner body. The swirl vanes define respective swirl slots therebetween for imparting swirl on a fluid passing through the swirl slots. A method of making swirlers includes additively manufacturing a stack of swirlers.Type: GrantFiled: January 15, 2019Date of Patent: February 11, 2020Assignee: Delavan Inc.Inventors: Jason A. Ryon, Joseph Samo, Jacob Greenfield, Andy W. Tibbs
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Publication number: 20200018674Abstract: A system can include a torsion applicator (e.g., a torsion motor and shaft) configured to apply a torque to a test article that is additively built on and attached to a build plate. The system can include at least one twist sensor and at least one torque sensor. A method for determining quality of an additively manufactured article or batch thereof can include torsion testing at least one additively manufactured test article that is built on and attached to a build plate while the at least one test article is still attached to the build plate.Type: ApplicationFiled: July 10, 2018Publication date: January 16, 2020Inventors: Jacob Greenfield, Thomas J. Ocken, Andy W. Tibbs, Lukas Shea, Joseph Samo
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Publication number: 20190308206Abstract: An injector includes a housing including a fluid passage extending from an inlet of the housing to an outlet end of the housing. An actuator is mounted within the housing. A pintle extends along a longitudinal axis from an actuator end to a pintle head. The actuator end of the pintle is operatively connected to the actuator for actuation along the longitudinal axis. A tip member is mounted to the outlet end of the housing. The tip member includes an outlet orifice and a pintle seat. In a seated position of the pintle, the pintle head blocks flow to the outlet orifice. In an open position of the pintle, the pintle head allows flow. The pintle head includes a swirl passage therein, wherein the swirl passage is angled tangential relative to the longitudinal axis to induce swirl on flow passing between the pintle head and the pintle seat.Type: ApplicationFiled: April 4, 2018Publication date: October 10, 2019Inventors: Douglas L. Ummel, John Earl Short, Andy W. Tibbs
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Patent number: 10428957Abstract: A dynamic seal assembly is disclosed for use in a valve having an upstream pressure side and a downstream pressure side, the dynamic seal assembly including an annular seal member having a generally C-shaped cross-section and including opposed upstream and downstream legs defining an internal cavity with an opening facing toward the upstream pressure side of the valve, wherein the upstream leg has a radial length that is greater than a radial length of the downstream leg and includes a retaining foot that extends angularly away from the upstream leg in an upstream direction at an angle of between about 0° and 90°, and a metallic spring is disposed within the internal cavity of the seal member for providing a constant sealing force to the seal member.Type: GrantFiled: September 15, 2017Date of Patent: October 1, 2019Assignee: Delavan Inc.Inventors: Andy W. Tibbs, Neal A. Thomson
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Publication number: 20190257520Abstract: In accordance with at least one aspect of this disclosure, a fuel injector can include an annular body defining a gas fuel inlet therein, and a structure extending radially outward from the annular body and configured to extend into an air circuit. The structure can include a gas channel defined within the structure at least partially along a radial length of the structure. The gas channel is in fluid communication with the gas fuel inlet where the structure meets the annular body. The structure also includes a slot opening defined at least partially along a radial length of the structure and configured to fluidically connect the gas channel and the air circuit to all gas fuel to effuse into the air circuit.Type: ApplicationFiled: February 22, 2018Publication date: August 22, 2019Inventors: Andy W. Tibbs, Gregory A. Zink, Thomas J. Ocken, Lev Alexander Prociw
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Publication number: 20190022673Abstract: A fluid spray nozzle tip can include a feed hole body that defines at least one feed hole and a spray outlet, the at least one feed hole being in direct fluid communication with the spray outlet without also being in fluid communication with an upstream spin chamber. The at least one feed hole can be a plurality of feed holes, wherein the tip further includes a pintle sealing surface body extending from the feed hole body and configured to allow a pintle to seal against a sealing surface thereof.Type: ApplicationFiled: July 19, 2017Publication date: January 24, 2019Applicant: Delavan IncInventors: Andy W. Tibbs, Philip E. O. Buelow
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Publication number: 20180339467Abstract: A system for cleaning an additive manufacturing machine recoater includes a position module for sensing and/or determining a position of a recoater of the additive manufacturing machine and a gas manifold disposed in the additive manufacturing machine and configured to spray a pressurized gas on the recoater when the recoater is in at least one cleaning position. The system includes a valve configured to allow the pressurized gas to flow from a gas source to the gas manifold, and a valve control module configured to control the valve as a function of the position sensed and/or determined by the position module.Type: ApplicationFiled: May 26, 2017Publication date: November 29, 2018Inventors: Matthew Donovan, Danielle Douskey, Andy W. Tibbs
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Publication number: 20180238548Abstract: A method of injecting fuel in a gas turbine engine includes injecting gaseous fuel from a gaseous fuel circuit of an injector in a first mode, wherein flow of gaseous fuel from the gaseous fuel circuit constricts air flow from an air circuit. The method includes injecting liquid fuel from a liquid fuel circuit in a second mode, idling flow in the gaseous fuel circuit and flowing air through the air circuit for passive purge to prevent liquid fuel from migrating into the gaseous fuel circuit. The method includes injecting a gaseous fuel that lies within a range of different Wobbe Index values, wherein regardless of where the gaseous fuel falls in the range, it does not prevent operation in the first and second modes as described above.Type: ApplicationFiled: February 22, 2017Publication date: August 23, 2018Inventors: Philip E. O. Buelow, Andy W. Tibbs, Steven L. Smith, David H. Bretz, Travis R. Burke
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Publication number: 20180017171Abstract: A dynamic seal assembly is disclosed for use in a valve having an upstream pressure side and a downstream pressure side, the dynamic seal assembly including an annular seal member having a generally C-shaped cross-section and including opposed upstream and downstream legs defining an internal cavity with an opening facing toward the upstream pressure side of the valve, wherein the upstream leg has a radial length that is greater than a radial length of the downstream leg and includes a retaining foot that extends angularly away from the upstream leg in an upstream direction at an angle of between about 0° and 90°, and a metallic spring is disposed within the internal cavity of the seal member for providing a constant sealing force to the seal member.Type: ApplicationFiled: September 15, 2017Publication date: January 18, 2018Inventors: Andy W. Tibbs, Neal A. Thomson
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Patent number: 9765894Abstract: A dynamic seal assembly is disclosed for use in a valve having an upstream pressure side and a downstream pressure side, the dynamic seal assembly including an annular seal member having a generally C-shaped cross-section and including opposed upstream and downstream legs defining an internal cavity with an opening facing toward the upstream pressure side of the valve, wherein the upstream leg has a radial length that is greater than a radial length of the downstream leg and includes a retaining foot that extends angularly away from the upstream leg in an upstream direction at an angle of between about 0° and 90°, and a metallic spring is disposed within the internal cavity of the seal member for providing a constant sealing force to the seal member.Type: GrantFiled: January 26, 2015Date of Patent: September 19, 2017Assignee: DELAVAN INCInventors: Neal A. Thomson, Andy W. Tibbs