Patents by Inventor Todd Haugsjaahabink
Todd Haugsjaahabink 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: 20240392776Abstract: A fluid pump system can include a controllable pump configured to generate a pump flow through the controllable pump and to output an output flow to an output line. The fluid pump system can include a flow split system configured to be in fluid communication with the controllable pump in a bypass state such that the flow split system is configured to divert a portion of the pump flow to maintain a desired output flow to the output line but to also allow the controllable pump to maintain a minimum pump flow through the controllable pump to maintain pump temperature below a high temperature threshold.Type: ApplicationFiled: May 26, 2023Publication date: November 28, 2024Applicant: Hamilton Sundstrand CorporationInventors: Ryan Shook, Ryan Prescott Susca, Todd Haugsjaahabink
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Patent number: 12146461Abstract: A dual valve fuel metering system comprising a flow path defined between a fuel inlet and a fuel outlet. The flow path includes a primary flow path and a secondary flow path, wherein the fuel outlet is configured and adapted to be in fluid communication with at least one engine fuel manifold. A primary flow metering valve configured and adapted to meter flow on the primary flow path. A secondary flow metering valve configured and adapted to meter flow on the secondary flow path.Type: GrantFiled: May 27, 2022Date of Patent: November 19, 2024Assignee: Hamilton Sundstrand CorporationInventors: Sachin Ramprashad, Todd Haugsjaahabink
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Patent number: 12140079Abstract: A fluid delivery system can include a main pump disposed in a primary fluid line configured to receive a low pressure fluid on a low pressure side and output a high pressure fluid on a high pressure side to provide flow from the fluid source to a fluid destination via the primary fluid line. An interconnected valve system can be disposed in the primary fluid line configured to control flow through the primary fluid line.Type: GrantFiled: November 29, 2021Date of Patent: November 12, 2024Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Morgan O'Rorke, Ryan Susca, Todd Haugsjaahabink
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Patent number: 12134985Abstract: A system includes an injector having a scheduling valve assembly and a nozzle in fluid communication with the valve assembly. The scheduling valve assembly is configured for regulation of flow from an inlet of the injector to the nozzle. The injector includes two fluid circuits between the inlet of the injector and two respective outlets of the nozzle for staged flow output from the nozzle. A first one of the two fluid circuits is a primary circuit, and a second one of the two fluid circuits is a secondary circuit. A solenoid valve is connected in fluid communication with the scheduling valve assembly, wherein the solenoid valve is configured to adjust position of a hydromechanical valve spool of the valve assembly.Type: GrantFiled: October 4, 2023Date of Patent: November 5, 2024Assignee: Collins Engine Nozzles, Inc.Inventors: Brandon P. Williams, Jason A. Ryon, Todd Haugsjaahabink, Murtuza Lokhandwalla, Charles E. Reuter
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Patent number: 12071899Abstract: A pump system for a gas turbine engine including a first pump connected to a fluid flow demand line for delivering fluid to a fluid flow demand and a second pump connected, in parallel to the first pump, to the fluid flow demand line and supplementing fluid to the actuation or burner system based on the fluid flow demand. A pressure regulating valve (PRV) is fluidly connected to the flow demand line for bypassing flow to a pump inlet pressure of the first pump and second pump, and controlling a modulated pressure flow signal to a bypass valve, wherein the bypass valve is in fluid communication with the second pump and the PRV for receiving modulated pressure from the PRV and regulating delivery of fluid from the second pump to a bypass flow line.Type: GrantFiled: May 15, 2023Date of Patent: August 27, 2024Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Todd Haugsjaahabink, Ryan Shook
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Publication number: 20240271571Abstract: A system includes an injector including a scheduling valve assembly and a nozzle in fluid communication with the scheduling valve assembly. The injector includes two fluid circuits, a primary circuit and a secondary circuit, between the inlet of the injector and two respective outlets for staged flow output. A cooling circuit is in fluid communication with the inlet of the injector. The cooling circuit is in thermal communication with the secondary circuit for selectively cooling the secondary circuit at low flow and no flow conditions of the secondary circuit. A separate valve is connected in fluid communication in the cooling circuit for controlling flow through the cooling circuit. The separate valve is configured for active control regardless of pressure at the inlet of the injector. The scheduling valve assembly is configured for passive control of the primary and secondary circuits based on pressure at the inlet of the injector.Type: ApplicationFiled: July 21, 2023Publication date: August 15, 2024Applicant: Collins Engine Nozzles, Inc.Inventors: Brandon P. Williams, Michael Ferrarotti, Murtuza Lokhandwalla, Todd Haugsjaahabink, Russell P. Rourke, JR., Jay W. Kokas, Richard E. Versailles
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Patent number: 12060831Abstract: A system includes a plurality of injectors each having a respective main circuit configured to be connected in fluid communication with one manifold for supplying fuel to each injector in the plurality of injectors. Each injector in the plurality of injectors includes a respective hydromechanical scheduling valve member configured to regulate fuel flow from a respective inlet to a respective nozzle of each injector of the plurality of injectors as a function of pressure input from the manifold to the respective main circuits. A valve block is connected in fluid communication with a respective auxiliary circuit in each injector in the plurality of injectors. The auxiliary circuit is operatively connected to adjust position of the respective scheduling valve member for actuating force modification of the scheduling valve member. The valve block is configured to control all of the injectors in the plurality of injectors as a block.Type: GrantFiled: September 11, 2023Date of Patent: August 13, 2024Assignee: Collins Engine Nozzles, Inc.Inventors: Brandon P. Williams, Michael Ferrarotti, Murtuza Lokhandwalla, Todd Haugsjaahabink, Russell P. Rourke, Jr., Jay W. Kokas, Richard E. Versailles
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Patent number: 12055099Abstract: A two stage fuel delivery system for an aircraft includes a first stage pump including an inlet connected to a source of fuel and an outlet connected to a combustor assembly, and a second stage pump including an inlet portion connected to the source of fuel and an outlet portion connected to the combustor assembly. A bypass valve is connected between the source of fuel, the inlet, and the inlet portion. The bypass valve selectively disconnects the second stage pump from the source of fuel. A metering valve is connected to the inlet and the inlet portion. The metering valve includes a metering valve inlet and a metering valve outlet. A pressure regulating valve is connected to the metering valve. A stage monitoring system is configured to detect a change in operation of the second stage and control the bypass valve.Type: GrantFiled: July 19, 2022Date of Patent: August 6, 2024Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Ryan Prescott Susca, Todd Haugsjaahabink, Naison E. Mastrocola, Adrian L. Stoicescu, Zachary Allen Ray LeDuc, Eric Briggs, Morgan O'Rorke
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Patent number: 11970976Abstract: A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inlet, in response to fuel pressure received at the fuel inlet. Primary, secondary and auxiliary fuel circuits receive fuel from the scheduling valve, and an electrically-controlled valve is provided in fluid communication with the auxiliary circuit, which electrically-controlled valve is adapted and configured to actively control fuel through the auxiliary circuit in response to a control signal.Type: GrantFiled: August 26, 2022Date of Patent: April 30, 2024Assignee: Hamilton Sundstrand CorporationInventors: Murtuza Lokhandwalla, Brandon P. Williams, Todd Haugsjaahabink, Charles E. Reuter, Jason A. Ryon, Kevin Gibbons, Jesse C. Peters
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Patent number: 11970977Abstract: A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inlet, in response to fuel pressure received at the fuel inlet. Primary, secondary and auxiliary fuel circuits receive fuel from the scheduling valve, and an electrically-controlled valve is provided in fluid communication with the auxiliary circuit, which electrically-controlled valve is adapted and configured to actively control fuel through the auxiliary circuit in response to a control signal. The auxiliary fuel circuit joins with the secondary fuel circuit for delivery to a fuel nozzle.Type: GrantFiled: August 26, 2022Date of Patent: April 30, 2024Assignee: Hamilton Sundstrand CorporationInventors: Murtuza Lokhandwalla, Brandon P. Williams, Jason A. Ryon, Todd Haugsjaahabink
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Publication number: 20240068407Abstract: A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inlet in response to fuel pressure received at the fuel inlet. Primary and secondary fuel circuits receive fuel from the scheduling valve, and an electrically-controlled valve is provided in fluid communication with the primary circuit, adapted and configured to actively control fuel through the primary circuit in response to a control signal.Type: ApplicationFiled: July 21, 2023Publication date: February 29, 2024Applicant: Collins Engine Nozzles, Inc.Inventors: Brandon P. Williams, Murtuza Lokhandwalla, Michael Ferrarotti, Todd Haugsjaahabink, Russell P. Rourke, JR., Jay W. Kokas, Richard E. Versailles, Jason A. Ryon, Charles E. Reuter
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Publication number: 20240068406Abstract: A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inlet, in response to fuel pressure received at the fuel inlet. Primary, secondary and auxiliary fuel circuits receive fuel from the scheduling valve, and an electrically-controlled valve is provided in fluid communication with the auxiliary circuit, which electrically-controlled valve is adapted and configured to actively control fuel through the auxiliary circuit in response to a control signal. The auxiliary fuel circuit joins with the secondary fuel circuit for delivery to a fuel nozzle.Type: ApplicationFiled: August 26, 2022Publication date: February 29, 2024Applicant: Hamilton Sundstrand CorporationInventors: Murtuza Lokhandwalla, Brandon P. Williams, Jason A. Ryon, Todd Haugsjaahabink
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Publication number: 20240068401Abstract: A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inlet, in response to fuel pressure received at the fuel inlet. Primary, secondary and auxiliary fuel circuits receive fuel from the scheduling valve, and an electrically-controlled valve is provided in fluid communication with the auxiliary circuit, which electrically-controlled valve is adapted and configured to actively control fuel through the auxiliary circuit in response to a control signal.Type: ApplicationFiled: August 26, 2022Publication date: February 29, 2024Applicant: Hamilton Sundstrand CorporationInventors: Murtuza Lokhandwalla, Brandon P. Williams, Todd Haugsjaahabink, Charles E. Reuter, Jason A. Ryon, Kevin Gibbons, Jesse C. Peters
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Publication number: 20240068410Abstract: A system includes an injector having a scheduling valve assembly and a nozzle in fluid communication with the valve assembly. The scheduling valve assembly is configured for regulation of flow from an inlet of the injector to the nozzle. The injector includes two fluid circuits between the inlet of the injector and two respective outlets of the nozzle for staged flow output from the nozzle. A first one of the two fluid circuits is a primary circuit, and a second one of the two fluid circuits is a secondary circuit. A solenoid valve is connected in fluid communication with the scheduling valve assembly, wherein the solenoid valve is configured to adjust position of a hydromechanical valve spool of the valve assembly.Type: ApplicationFiled: October 4, 2023Publication date: February 29, 2024Applicant: Hamilton Sundstrand CorporationInventors: Brandon P. Williams, Jason A. Ryon, Todd Haugsjaahabink, Murtuza Lokhandwalla, Charles E. Reuter
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Publication number: 20240068405Abstract: A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inlet in response to fuel pressure received at the fuel inlet. Primary and secondary fuel circuits receive fuel from the scheduling valve, and an electrically-controlled valve is provided in fluid communication with the primary circuit, adapted and configured to actively control fuel through the primary circuit in response to a control signal.Type: ApplicationFiled: August 26, 2022Publication date: February 29, 2024Applicant: Hamilton Sundstrand CorporationInventors: Brandon P. Williams, Jason A. Ryon, Todd Haugsjaahabink, Murtuza Lokhandwalla, Charles E. Reuter
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Publication number: 20240068664Abstract: A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inlet, in response to fuel pressure received at the fuel inlet. Primary, secondary and auxiliary fuel circuits receive fuel from the scheduling valve, and an electrically-controlled valve is provided in fluid communication with the auxiliary circuit, which electrically-controlled valve is adapted and configured to actively control fuel through the auxiliary circuit in response to a control signal.Type: ApplicationFiled: July 21, 2023Publication date: February 29, 2024Applicant: Collins Engine Nozzles, Inc.Inventors: Brandon P. Williams, Michael Ferrarotti, Murtuza Lokhandwalla, Todd Haugsjaahabink, Russell P. Rourke, JR., Jay W. Kokas, Richard E. Versailles
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Publication number: 20240068408Abstract: A system includes an injector having a scheduling valve assembly and a nozzle in fluid communication with the valve assembly. The scheduling valve assembly is configured for regulation of flow from an inlet of the injector to the nozzle. The injector includes two fluid circuits between the inlet of the injector and two respective outlets of the nozzle for staged flow output from the nozzle. A first one of the two fluid circuits is a primary circuit, and a second one of the two fluid circuits is a secondary circuit. A solenoid valve is connected in fluid communication with the scheduling valve assembly, wherein the solenoid valve is configured to adjust position of a hydromechanical valve spool of the valve assembly.Type: ApplicationFiled: July 21, 2023Publication date: February 29, 2024Applicant: Collins Engine Nozzles, Inc.Inventors: Brandon P. Williams, Michael Ferrarotti, Murtuza Lokhandwalla, Todd Haugsjaahabink, Russell P. Rourke, Jr., Jay W. Kokas, Richard E. Versailles
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Publication number: 20240068412Abstract: A system includes an injector including a scheduling valve assembly and a nozzle in fluid communication with the valve assembly. The scheduling valve assembly is configured for regulation of flow from an inlet of the injector to the nozzle. The injector includes one fluid circuit between the inlet of the injector and a respective outlet of the nozzle. A solenoid valve is connected in fluid communication with the scheduling valve assembly. The solenoid valve is configured to adjust position of a hydromechanical valve spool of the valve assembly.Type: ApplicationFiled: August 26, 2022Publication date: February 29, 2024Applicant: Hamilton Sundstrand CorporationInventors: Brandon P. Williams, Jason A. Ryon, Todd Haugsjaahabink, Murtuza Lokhandwalla, Charles E. Reuter
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Publication number: 20240068404Abstract: A system includes an injector having a scheduling valve assembly and a nozzle in fluid communication with the valve assembly. The scheduling valve assembly is configured for regulation of flow from an inlet of the injector to the nozzle. An electromagnetic device is operatively connected to a hydromechanical valve spool of the valve assembly to selectively adjust position of the valve spool in the valve assembly.Type: ApplicationFiled: August 26, 2022Publication date: February 29, 2024Applicant: Hamilton Sundstrand CorporationInventors: Brandon P. Williams, Jason A. Ryon, Murtuza Lokhandwalla, Todd Haugsjaahabink, Charles E. Reuter
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Publication number: 20240068413Abstract: A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inlet, in response to fuel pressure received at the fuel inlet. Primary, secondary and auxiliary fuel circuits receive fuel from the scheduling valve, and an electrically-controlled valve is provided in fluid communication with the auxiliary circuit, which electrically-controlled valve is adapted and configured to actively control fuel through the auxiliary circuit in response to a control signal. The auxiliary fuel circuit joins with the secondary fuel circuit for delivery to a fuel nozzle.Type: ApplicationFiled: July 21, 2023Publication date: February 29, 2024Applicant: Collins Engine Nozzles, Inc.Inventors: Brandon P. Williams, Michael Ferrarotti, Murtuza Lokhandwalla, Todd Haugsjaahabink, Russell P. Rourke, Jr., Jay W. Kokas, Richard E. Versailles