Patents by Inventor Francis P. Marocchini
Francis P. Marocchini 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: 10711903Abstract: A transfer valve includes a spool comprising a first circumferential flow channel at a first axial position of the spool and a second circumferential flow channel at a second axial position of the spool. The first circumferential flow channel and the second circumferential flow channel have different circumferential positions and are defined only partially circumferentially, and a sleeve disposed over the spool. The sleeve includes at least three flow windows defined through the sleeve at an axial position of the sleeve, each flow window having different circumferential positions on the sleeve. The spool is configured to translate within the sleeve between a first position and a second position.Type: GrantFiled: June 8, 2017Date of Patent: July 14, 2020Assignee: Hamilton Sundstrand CorporationInventors: August M. Coretto, Aaron F. Rickis, Francis P. Marocchini, Glenn Gradischer, Richard H. Bostiga, Ryan Susca
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Publication number: 20200088313Abstract: A fluid valve use in a turbomachine in a high temperature location includes a fluid inlet, a fluid outlet, a fluid circuit defined between the fluid inlet and the fluid outlet, and a solenoid including a solenoid casing. The solenoid is disposed between the fluid inlet and fluid outlet. The solenoid is configured to move a valve member between a closed position, at least one partially open position (e.g., any number of suitable positions), and a fully open position to selectively meter fluid flow through the fluid circuit. The fluid valve can include a valve casing, wherein the solenoid and valve member are disposed in the valve casing.Type: ApplicationFiled: November 25, 2019Publication date: March 19, 2020Applicant: Delavan Inc.Inventors: Daniel Edward Bleeker, Francis P. Marocchini
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Patent number: 10487957Abstract: A fluid valve use in a turbomachine in a high temperature location includes a fluid inlet, a fluid outlet, a fluid circuit defined between the fluid inlet and the fluid outlet, and a solenoid including a solenoid casing. The solenoid is disposed between the fluid inlet and fluid outlet. The solenoid is configured to move a valve member between a closed position, at least one partially open position (e.g., any number of suitable positions), and a fully open position to selectively meter fluid flow through the fluid circuit. The fluid valve can include a valve casing, wherein the solenoid and valve member are disposed in the valve casing.Type: GrantFiled: August 13, 2015Date of Patent: November 26, 2019Assignee: Delavan Inc.Inventors: Daniel E. Bleeker, Francis P. Marocchini
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Patent number: 10480415Abstract: A high pressure relief valve includes a nozzle that is received within an internal bore of a valve housing. The nozzle has a nozzle body with a bore defined by an outlet bore inner diameter that is less than an inlet bore inner diameter. The nozzle body has a nozzle face defined at the outlet end, and is defined between the outlet bore inner diameter and an outlet bore outer diameter spaced radially outwardly of the outlet bore inner diameter. The nozzle body includes a coupling feature held fixed relative to the nozzle body such that the coupling feature is not moveable relative to the nozzle body. The coupling feature is configured to couple the nozzle body to the closure sleeve that surrounds the outlet end. At least one retaining feature prevents the coupling feature from being uncoupled from the closure sleeve.Type: GrantFiled: November 3, 2017Date of Patent: November 19, 2019Assignee: Hamilton Sundstrand CorporationInventors: Aaron Rickis, Francis P. Marocchini
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Patent number: 10450961Abstract: A gas turbine engine shut-down system includes a pump configured to draw a flow of fuel from a source, a fuel nozzle configured to receive the flow of fuel from the pump, a fuel shut-off valve in fluid communication with the pump, a recirculation circuit for circulating excess fuel to a location upstream of the pump; a solenoid valve in communication with the pump and the recirculation circuit; and a fuel-bypass valve. The fuel-bypass valve includes a first opening connected to the fuel pump, a second opening connected to the fuel shut-off valve, a third opening connected to the recirculation circuit, a fourth opening connected to the solenoid valve, and a piston disposed within the fuel-bypass valve and movable between a plurality of positions.Type: GrantFiled: June 17, 2016Date of Patent: October 22, 2019Assignee: Hamilton Sundstrand CorporationInventors: Francis P. Marocchini, Aaron F. Rickis, Elise N. Zimmerman, Gerald P. Dyer
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Patent number: 10428743Abstract: A spool and sleeve assembly for a metering valve comprises a spool body defining a center axis, and a sleeve body having a bore that receives the spool body. The sleeve body includes at least one metering window open to the bore and is moveable between a metering position to control flow through the metering window and a shutoff position where flow is prevented from exiting an outlet end of the bore. A seal assembly reacts between the spool body and the sleeve body to provide at least a first sealing interface and a second sealing interface axially spaced from the first sealing interface when the spool body is in the shutoff position. A metering valve for a fuel system is also disclosed.Type: GrantFiled: March 7, 2017Date of Patent: October 1, 2019Assignee: Hamilton Sundstrand CorporationInventors: Francis P. Marocchini, Aaron F. Rickis
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Publication number: 20190195092Abstract: A mount according to an example of the present disclosure includes a locating pin, a load pin, a fastener, the fastener configured to retain a component on at least one of the locating pin and the load pin, the fastener including a bolt, a mounting boss and a spring, the spring allowing the mounting boss to move with respect to the bolt, and wherein the bolt is held captive in the mounting boss with a captive feature. A gas turbine engine and a method of mounting a component are also disclosed.Type: ApplicationFiled: December 22, 2017Publication date: June 27, 2019Inventors: Aaron F. Rickis, Elise N. Zimmerman, Gary R. Marconi, Glenn Gradischer, August M. Coretto, Francis P. Marocchini
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Patent number: 10330019Abstract: A bleed valve includes a valve body, a first flapper body movable relative to the valve body between an open position and a closed position, and a second flapper body movable relative to the valve body between an open position and a closed position. A resilient member biases the first and second flapper bodies to the open position to vent bleed air. The first and second flapper bodies move to the closed position when a pressure load across the first and second flapper bodies exceeds a biasing force of the resilient member. A gas turbine engine is also disclosed.Type: GrantFiled: February 25, 2015Date of Patent: June 25, 2019Assignee: Hamilton Sundstrand CorporationInventors: Francis P. Marocchini, Aaron F. Rickis, Robert Goodman
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Patent number: 10294812Abstract: A measuring system for sensing vane positions that comprises a turbine, a target, and a sensor. The turbine includes a plurality of articulating vanes, with each vane being coupled to a sync ring that is configured to position the plurality of articulating vanes in accordance with a degree of rotation by the sync ring. The target is coupled to a first position of the turbine within a first region that is associated with a first vane of the plurality of articulating vanes. The sensor is coupled via a bracket to a second position of the turbine within the first region. The sensor is configured to detect an orientation of the target that corresponds to a vane position of the first vane.Type: GrantFiled: July 17, 2018Date of Patent: May 21, 2019Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Gregory Di Vincenzo, Francis P. Marocchini, Bhupindar Singh
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Publication number: 20180363490Abstract: A measuring system for sensing vane positions that comprises a turbine, a target, and a sensor. The turbine includes a plurality of articulating vanes, with each vane being coupled to a sync ring that is configured to position the plurality of articulating vanes in accordance with a degree of rotation by the sync ring. The target is coupled to a first position of the turbine within a first region that is associated with a first vane of the plurality of articulating vanes. The sensor is coupled via a bracket to a second position of the turbine within the first region. The sensor is configured to detect an orientation of the target that corresponds to a vane position of the first vane.Type: ApplicationFiled: July 17, 2018Publication date: December 20, 2018Inventors: Gregory Di Vincenzo, Francis P. Marocchini, Bhupindar Singh
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Publication number: 20180355984Abstract: A transfer valve includes a spool comprising a first circumferential flow channel at a first axial position of the spool and a second circumferential flow channel at a second axial position of the spool. The first circumferential flow channel and the second circumferential flow channel have different circumferential positions and are defined only partially circumferentially, and a sleeve disposed over the spool. The sleeve includes at least three flow windows defined through the sleeve at an axial position of the sleeve, each flow window having different circumferential positions on the sleeve. The spool is configured to translate within the sleeve between a first position and a second position.Type: ApplicationFiled: June 8, 2017Publication date: December 13, 2018Inventors: August M. Coretto, Aaron F. Rickis, Francis P. Marocchini, Glenn Gradischer, Richard H. Bostiga, Ryan Susca
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Patent number: 10145261Abstract: A measuring system for sensing vane positions that comprises a turbine, a target, and a sensor. The turbine includes a plurality of articulating vanes, with each vane being coupled to a sync ring that is configured to position the plurality of articulating vanes in accordance with a degree of rotation by the sync ring. The target is coupled to a first position of the turbine within a first region that is associated with a first vane of the plurality of articulating vanes. The sensor is coupled via a bracket to a second position of the turbine within the first region. The sensor is configured to detect an orientation of the target that corresponds to a vane position of the first vane.Type: GrantFiled: November 15, 2017Date of Patent: December 4, 2018Assignee: HAMILTON SUNSTRAND CORPORATIONInventors: Gregory Di Vincenzo, Francis P. Marocchini, Bhupindar Singh
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Patent number: 10088057Abstract: A valve has a sleeve with at least one outlet port in a radially outer surface. A piston is moveable within the sleeve along an axis. The piston has a lip on a radially outer portion extending forwardly to an axially forward most end and a recess radially inward from the lip with respect to an axis of the piston. A vane pump is also disclosed.Type: GrantFiled: November 10, 2014Date of Patent: October 2, 2018Assignee: Hamilton Sundstrand CorporationInventors: Aaron F. Rickis, Francis P. Marocchini
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Patent number: 10088068Abstract: A flexure includes a flexure body with an inner ring defining a main axis and an outer ring extending about the inner ring that is outboard of the inner ring with respect to the main axis. One or more flexure members having respective lengths that are greater than a radial offset distance defined between the inner ring and the outer ring connects the inner ring to the outer ring. A valve includes a valve member connected to a valve body by the flexure.Type: GrantFiled: September 23, 2015Date of Patent: October 2, 2018Inventors: Francis P. Marocchini, Aaron F. Rickis, Elise N. Zimmerman
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Patent number: 10082088Abstract: A flexure for a metering valve has a flexure body defining a center axis to be aligned with a fuel nozzle. The flexure body includes an outermost peripheral surface surrounding the center axis. A retaining feature is formed in the flexure body and is configured to mount the flexure body to a metering valve component. The retaining feature is located radially between the center axis and the outmost peripheral surface. A metering valve is also disclosed.Type: GrantFiled: January 14, 2015Date of Patent: September 25, 2018Assignee: Hamilton Sundstrand CorporationInventors: Francis P. Marocchini, Elise N. Zimmerman
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Patent number: 10077747Abstract: A fuel control system includes a high pressure relief valve fluidly connected to a fuel pump outlet. The high pressure relief valve includes a closure and a nozzle. The closure has an opening and a locking notch defined by a circumferential wall. The nozzle has a base portion that is received within the opening and has a rim extending between a first surface and a second surface. The nozzle has a tab extending from the rim that is received within the locking notch.Type: GrantFiled: January 12, 2016Date of Patent: September 18, 2018Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Aaron F. Rickis, Elise N. Zimmerman, Glenn Gradischer, Francis P. Marocchini
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Publication number: 20180258864Abstract: A spool and sleeve assembly for a metering valve comprises a spool body defining a center axis, and a sleeve body having a bore that receives the spool body. The sleeve body includes at least one metering window open to the bore and is moveable between a metering position to control flow through the metering window and a shutoff position where flow is prevented from exiting an outlet end of the bore. A seal assembly reacts between the spool body and the sleeve body to provide at least a first sealing interface and a second sealing interface axially spaced from the first sealing interface when the spool body is in the shutoff position. A metering valve for a fuel system is also disclosed.Type: ApplicationFiled: March 7, 2017Publication date: September 13, 2018Inventors: Francis P. Marocchini, Aaron F. Rickis
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Patent number: 10030779Abstract: A fluid metering valve includes a flow circuit defined by the valve and a valve member disposed in the flow circuit, the valve member having a sealing portion and configured to be moved by a solenoid between a closed position and one or more open positions. The valve includes a seat member defining one or more fluid outlets, the seat member configured to receive the sealing portion in the closed position to seal the fluid outlets, and an internal porting path defined through the sealing portion that is configured to fluidly connect a downstream side of the sealing portion with an upstream portion of the flow circuit in the closed position to reduce the effective pressure area of the valve member.Type: GrantFiled: September 18, 2015Date of Patent: July 24, 2018Assignee: Hamilton Sundstrand CorporationInventors: Aaron F. Rickis, August M. Coretto, Francis P. Marocchini
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Publication number: 20180163635Abstract: A fluid valve for a gas turbine engine includes a valve body with a fluid inlet and a fluid outlet, a fluid circuit extending between the fluid inlet and the fluid outlet, and a linkage. The linkage is arranged within the fluid circuit between the fluid inlet and the fluid outlet to apply effort from a solenoid actuator to a valve member movable between first and second positions within the fluid circuit to meter fluid flow between the fluid inlet and the fluid outlet to issue fuel into a combustor of the gas turbine engine.Type: ApplicationFiled: December 13, 2016Publication date: June 14, 2018Inventors: Francis P. Marocchini, Daniel Edward Bleeker
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Publication number: 20180156058Abstract: A measuring system for sensing vane positions that comprises a turbine, a target, and a sensor. The turbine includes a plurality of articulating vanes, with each vane being coupled to a sync ring that is configured to position the plurality of articulating vanes in accordance with a degree of rotation by the sync ring. The target is coupled to a first position of the turbine within a first region that is associated with a first vane of the plurality of articulating vanes. The sensor is coupled via a bracket to a second position of the turbine within the first region. The sensor is configured to detect an orientation of the target that corresponds to a vane position of the first vane.Type: ApplicationFiled: November 15, 2017Publication date: June 7, 2018Inventors: Gregory Di Vincenzo, Francis P. Marocchini, Bhupindar Singh