Patents by Inventor Matej Rutar
Matej Rutar 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: 11914408Abstract: In accordance with at least one aspect of this disclosure, a system for active flow control includes one or more flow control devices configured to control flow between a fluid source and a fluid destination, and a control module configured to control a flow area of each of the one or more flow control devices with fluid provided from the fluid source flowing to the fluid destination through the one or more flow control devices.Type: GrantFiled: January 21, 2022Date of Patent: February 27, 2024Assignee: Hamilton Sundstrand CorporationInventor: Matej Rutar
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Patent number: 11906067Abstract: In accordance with at least one aspect of this disclosure, a system can include, a moveable component configured to move between one or more positions, a biasing member operatively connected on a first side to bias the moveable component to a respective one of the one or more positions, and a preload member operatively connected to provide a force to a second side of the biasing member. An actuator can be operatively connected to move the preload member in response to a signal from a controller.Type: GrantFiled: January 21, 2022Date of Patent: February 20, 2024Assignee: Hamilton Sundstrand CorporationInventors: Matej Rutar, Todd Haugsjaahabink, Aaron F. Rickis
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Patent number: 11859551Abstract: A fuel system can include a selection and shutoff valve (SSOV) configured to allow a primary flow having a primary flow pressure to pass therethrough in a first state such that the primary flow can travel to an output line. The SSOV can also be configured to shut off the primary flow in a second state to prevent the primary flow from travelling to the output line. In the second state, the SSOV can be configured to allow a secondary flow from a secondary flow source to pass therethrough such that the secondary flow can travel to the output line.Type: GrantFiled: January 21, 2022Date of Patent: January 2, 2024Assignee: Hamilton Sundstrand CorporationInventors: Morgan O'Rorke, Todd Haugsjaahabink, Matej Rutar, Ryan Susca
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Publication number: 20230392706Abstract: In accordance with at least one aspect of this disclosure, a flow control device can include, a first plate having one or more windows defining a flow path therethrough, a second plate configured to abut the first plate, and an actuator operatively connected to one or more of the first plate and/or the second plate. The actuator can be configured to drive the first plate and/or the second plate relative to one another to enlarge or reduce the flow path through the one or more windows in the first plate.Type: ApplicationFiled: July 21, 2023Publication date: December 7, 2023Applicant: Hamilton Sundstrand CorporationInventor: Matej Rutar
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Patent number: 11725647Abstract: A pumping system includes a first variable displacement pump having a first inlet and a first outlet. The first outlet is fluidically connected to a system outlet. A first actuator is mechanically coupled to a first displacement mechanism of the first variable displacement pump A second variable displacement pump includes a second inlet and a second outlet. The second outlet is fluidically connected to the system outlet. The pumping system also includes a second actuator mechanically coupled to a second displacement mechanism of the second variable displacement pump. An electrohydraulic servo valve is hydraulically connected to the first and second actuators. An electronic engine controller is in communication with the electrohydraulic servo valve and is configured to send electrical current to the electrohydraulic servo valve to drive the first actuator and the second actuator.Type: GrantFiled: May 18, 2021Date of Patent: August 15, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Ryan Susca, Morgan O'Rorke, Matej Rutar, Todd Haugsjaahabink
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Publication number: 20230236613Abstract: In accordance with at least one aspect of this disclosure, a system for active flow control includes one or more flow control devices configured to control flow between a fluid source and a fluid destination, and a control module configured to control a flow area of each of the one or more flow control devices with fluid provided from the fluid source flowing to the fluid destination through the one or more flow control devices.Type: ApplicationFiled: January 21, 2022Publication date: July 27, 2023Applicant: Hamilton Sundstrand CorporationInventor: Matej Rutar
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Publication number: 20230235701Abstract: A fuel system can include a selection and shutoff valve (SSOV) configured to allow a primary flow having a primary flow pressure to pass therethrough in a first state such that the primary flow can travel to an output line. The SSOV can also be configured to shut off the primary flow in a second state to prevent the primary flow from travelling to the output line. In the second state, the SSOV can be configured to allow a secondary flow from a secondary flow source to pass therethrough such that the secondary flow can travel to the output line.Type: ApplicationFiled: January 21, 2022Publication date: July 27, 2023Applicant: Hamilton Sundstrand CorporationInventors: Morgan O'Rorke, Todd Haugsjaahabink, Matej Rutar, Ryan Susca
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Publication number: 20230235833Abstract: In accordance with at least one aspect of this disclosure, a flow control device can include, a first plate having one or more windows defining a flow path therethrough, a second plate configured to abut the first plate, and an actuator operatively connected to one or more of the first plate and/or the second plate. The actuator can be configured to drive the first plate and/or the second plate relative to one another to enlarge or reduce the flow path through the one or more windows in the first plate.Type: ApplicationFiled: January 21, 2022Publication date: July 27, 2023Applicant: Hamilton Sundstrand CorporationInventor: Matej Rutar
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Publication number: 20230235822Abstract: In accordance with at least one aspect of this disclosure, a system can include, a moveable component configured to move between one or more positions, a biasing member operatively connected on a first side to bias the moveable component to a respective one of the one or more positions, and a preload member operatively connected to provide a force to a second side of the biasing member. An actuator can be operatively connected to move the preload member in response to a signal from a controller.Type: ApplicationFiled: January 21, 2022Publication date: July 27, 2023Applicant: Hamilton Sundstrand CorporationInventors: Matej Rutar, Todd Haugsjaahabink, Aaron F. Rickis
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Publication number: 20230184349Abstract: In accordance with at least one aspect of this disclosure, a system, e.g. a four-way valve system, can include a fluid source to provide fluid to a moveable component to move the moveable component between a first position and a second position. The system can include a four-way valve configured to selectively allow flow from the fluid source to enter either a first side of the moveable component through a first high pressure fluid channel or a second side of the moveable component through a second high pressure fluid channel. A controller can be operatively connected to control the valve to move between a first position and a second position, which in turn adjusts the position of the moveable component between the first position and the second position.Type: ApplicationFiled: December 15, 2021Publication date: June 15, 2023Applicant: Hamilton Sundstrand CorporationInventor: Matej Rutar
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Patent number: 11674444Abstract: A system includes a flow inlet conduit and a primary conduit that branches from the flow inlet conduit for delivering flow to a set of primary nozzles. An equalization bypass valve (EBV) connects between the flow inlet conduit and a secondary conduit for delivering flow to a set of secondary nozzles. The EBV is connected to an equalization conduit (EC). A pressure equalization solenoid is connected to the EC to selectively connect a servo supply pressure conduit and/or a return pressure (PDF) conduit into fluid communication with the EC. An EBV rate limiting orifice (RLO) is connected in the PDF conduit. A bypass conduit branches from the PDF conduit on a first side of the EBV RLO and reconnects to the PDF conduit on a second side of the EBV RLO. An orifice bypass valve (OBV) is connected to the bypass conduit and acts to selectively bypass the EBV RLO.Type: GrantFiled: March 30, 2021Date of Patent: June 13, 2023Assignee: Hamilton Sundstrand CorporationInventors: Charles E. Reuter, Aaron F. Rickis, Francis P. Marocchini, Matej Rutar, August M. Coretto, Sachin Ramprashad
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Patent number: 11674455Abstract: A system comprises a variable displacement pump, a metering valve, a bypass line, a pressure regulating valve, a position sensor, and a control system. At least one fuel nozzle can be in fluid communication with the output line downstream of the metering valve, wherein the variable displacement pump is configured to supply fuel to the at least one fuel nozzle. The metering valve can be disposed in the output line for controlling outlet flow from the variable displacement pump. The system can also include an actuator line parallel to the variable displacement pump and connected to the output line to provide actuation pressure from pump output of the variable displacement pump.Type: GrantFiled: March 26, 2021Date of Patent: June 13, 2023Inventor: Matej Rutar
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Patent number: 11674454Abstract: A system includes a flow inlet conduit. A primary conduit branches from the flow inlet conduit for delivering flow to a set of primary nozzles. An equalization bypass valve (EBV) connects between the flow inlet conduit and a secondary conduit for delivering flow to a set of secondary nozzles. The EBV is connected to be controlled to apportion flow from the flow inlet conduit to the secondary conduit. A secondary equalization valve (SEV) connects between the flow inlet conduit and the secondary conduit. The SEV is connected to be controlled by drain pressure (PD) to apportion flow from the flow inlet conduit to the secondary conduit.Type: GrantFiled: March 18, 2021Date of Patent: June 13, 2023Assignee: Hamilton Sundstrand CorporationInventors: Matej Rutar, Francis P. Marocchini
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Publication number: 20230130997Abstract: In accordance with at least one aspect of this disclosure, a variable displacement pump system can include, a variable displacement pump disposed in a main line and configured to supply pressure to receive a low pressure fluid and to output a high pressure fluid. The main line can connect a hydraulic fluid source to a plurality of system actuators, where the variable displacement pump is disposed in the main line between the hydraulic fluid source and the plurality of system actuators to pressurize the hydraulic fluid.Type: ApplicationFiled: October 22, 2021Publication date: April 27, 2023Applicant: Hamilton Sundstrand CorporationInventors: Matej Rutar, Morgan O'Rorke, Ryan Shook, Ryan Susca
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Publication number: 20230125840Abstract: In accordance with at least one aspect of this disclosure, a variable displacement pump system can include, a variable displacement pump disposed in a main line and configured to supply pressure to receive a low pressure fluid and to output a high pressure fluid. The main line can connect a hydraulic fluid source to a plurality of system actuators, where the variable displacement pump is disposed in the main line between the hydraulic fluid source and the plurality of system actuators to pressurize the hydraulic fluid.Type: ApplicationFiled: October 22, 2021Publication date: April 27, 2023Applicant: Hamilton Sundstrand CorporationInventor: Matej Rutar
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Publication number: 20230105578Abstract: A variable positive displacement pump actuator system for a variable positive displacement pump can include a supply line configured to provide a supply pressure, a main pump line configured to provide a pump pressure greater than the supply pressure from the variable positive displacement pump, and at least one electro-hydraulic servo valve (EHSV) in fluid communication with the supply line and the main pump line to receive the supply pressure and the pump pressure. The at least one electro-hydraulic servo valve can be configured to output a first regulated pressure and a second regulated pressure.Type: ApplicationFiled: October 4, 2021Publication date: April 6, 2023Applicant: Hamilton Sundstrand CorporationInventors: Ryan Susca, Morgan O'Rorke, Ryan Shook, Matej Rutar
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Patent number: 11598267Abstract: A system includes a flow inlet conduit and a primary conduit that branches from the flow inlet conduit for delivering flow to a set of primary nozzles. An equalization bypass valve (EBV) connects between the flow inlet conduit and a secondary conduit for delivering flow to a set of secondary nozzles. The EBV is connected to an equalization conduit (EC) to apportion flow from the flow inlet conduit to the secondary conduit. A pressure equalization solenoid (PES) is connected to the EC to selectively connect at least one of a servo supply pressure (PFA) conduit or return pressure (PDF) conduit into fluid communication with the EC. A relief management valve (RMV) is connected in the PDF conduit.Type: GrantFiled: March 31, 2021Date of Patent: March 7, 2023Assignee: Hamilton Sundstrand CorporationInventors: Matej Rutar, Francis P. Marocchini, Aaron F. Rickis
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Publication number: 20220372968Abstract: A metering pump system includes a variable displacement pump having an inlet and an outlet, a flow sensing valve fluidically connected to the outlet of the variable displacement pump, and an actuator mechanically coupled to a displacement mechanism of the variable displacement pump. The metering pump system also includes an electronic engine controller in communication with the flow sensing valve. An electrohydraulic servo valve is electrically connected to the electronic engine controller and hydraulically connected to the actuator. The electrohydraulic servo valve is configured to hydraulically drive the actuator to move the displacement mechanism to change displacement of the variable displacement pump.Type: ApplicationFiled: May 18, 2021Publication date: November 24, 2022Inventors: Morgan O'Rorke, Ryan Susca, Matej Rutar, Todd Haugsjaahabink
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Publication number: 20220372941Abstract: A fuel metering system includes a pump with an inlet and an outlet, a first flow path including a first valve fluidically connected to the outlet of the pump, and a second flow path including a second valve fluidically connected to the outlet of the pump, a third valve, and a fourth valve. An electrohydraulic servo valve in a first position hydraulically connects the inlet of the pump to the first, third, and fourth valves to close the first valve, open the third valve, open a first window of the fourth valve, and close a second window of the fourth valve. The electrohydraulic servo valve in a second position hydraulically connects the outlet of the pump to the first, third, and fourth valves to open the first valve, close the third valve, close the first window of the fourth valve, and open the second window of the fourth valve.Type: ApplicationFiled: May 18, 2021Publication date: November 24, 2022Inventors: Ryan Susca, Morgan O'Rorke, Matej Rutar, Todd Haugsjaahabink, Weishun William Ni, Benjamin T. Harder, Ryan Shook
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Publication number: 20220372967Abstract: A pumping system includes a first variable displacement pump having a first inlet and a first outlet. The first outlet is fluidically connected to a system outlet. A first actuator is mechanically coupled to a first displacement mechanism of the first variable displacement pump A second variable displacement pump includes a second inlet and a second outlet. The second outlet is fluidically connected to the system outlet. The pumping system also includes a second actuator mechanically coupled to a second displacement mechanism of the second variable displacement pump. An electrohydraulic servo valve is hydraulically connected to the first and second actuators. An electronic engine controller is in communication with the electrohydraulic servo valve and is configured to send electrical current to the electrohydraulic servo valve to drive the first actuator and the second actuator.Type: ApplicationFiled: May 18, 2021Publication date: November 24, 2022Inventors: Ryan Susca, Morgan O'Rorke, Matej Rutar, Todd Haugsjaahabink