Patents by Inventor David Allan DRANSCHAK
David Allan DRANSCHAK 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: 11959387Abstract: An air turbine starter that includes a housing. The housing can circumscribe a turbine coupled that is coupled to a gear train in a gear box via a drive shaft. The gear train can couple to an output shaft via at least a carrier. The air turbine starter can include at least a first bearing assembly and a second bearing assembly to rotatably support the drive shaft and the output shaft.Type: GrantFiled: April 26, 2023Date of Patent: April 16, 2024Assignees: Unison Industries, LLC, General Electric CompanyInventors: Amit Arvind Kurvinkop, David Raju Yamarthi, David Allan Dranschak, Brian Christopher Kemp, Marc David Zinger, Parmeet Singh Chhabra, Roberto Karpik, Eliel Fresco Rodriguez
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Patent number: 11959421Abstract: An air turbine starter with a housing; a turbine member located within the housing; a drive shaft operably coupled to the turbine member, and having an interior portion. The air turbine starter output shaft extending between a first end and a second end, the output shaft movable between a first position, where the first end is coupled to the engine, and a second position, where the second end is retained within the interior portion and the first end is uncoupled from the engine. A decoupler assembly is included for decoupling the output shaft from the engine.Type: GrantFiled: August 16, 2022Date of Patent: April 16, 2024Assignee: Unison Industries, LLCInventors: Narendra Dev Mahadevaiah, Sharad Pundlik Patil, Pallavi Tripathi, Subrata Nayak, Milind Chandrakant Dhabade, Shiloh Montegomery Meyers, David Allan Dranschak
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Patent number: 11933227Abstract: An air starter for an engine, such as a turbine engine, that includes a turbine for rotatably extracting mechanical power from a flow of fluid. The turbine includes a drive shaft that can be coupled to an output shaft to provide a rotational output. The interface between the drive shaft and the output shaft can be offset and include piloted portions.Type: GrantFiled: March 31, 2023Date of Patent: March 19, 2024Assignee: Unison Industries, LLCInventors: Sharad Pundlik Patil, Subrata Nayak, David Allan Dranschak, Shiloh Montegomery Meyers, Bajarang Agrawal, Jasraj Asdev, Ravindra Shankar Ganiger
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Patent number: 11920672Abstract: An air turbine starter that includes a housing with a divider structure dividing the housing into a wet chamber and an air chamber. The air turbine starter further including a bearing assembly, a turbine member, a first drive shaft, and a second drive shaft connecting the turbine member with a rotating assembly. A lubricant supply portion having at least one supply inlet fluidly coupled to the wet chamber and at least one supply outlet fluidly coupled to the bearing assembly whereby lubricant from the wet chamber can be supplied to the bearing assembly.Type: GrantFiled: April 16, 2021Date of Patent: March 5, 2024Assignees: Unison Industries, LLC, General Electric CompanyInventors: Roberto Karpik, Eliel Fresco Rodriguez, David Allan Dranschak, Shiloh Montegomery Meyers, Marcin Bialas
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Publication number: 20240018909Abstract: An air turbine starter (ATS) for a gas turbine engine having an accessory gear box (AGB) with a lubricant reservoir, the air turbine starter comprising a housing at least partially defining a working air flow path; a turbine section comprising a turbine having an output shaft and a plurality of blades circumferential spaced about the output shaft and at least partially extending into the working air flow path; a drive section having a drive shaft operably coupled to the output shaft to engage the AGB; and a lubrication recirculation circuit fluidly coupled to the lubricant reservoir.Type: ApplicationFiled: September 16, 2022Publication date: January 18, 2024Inventors: Narendra Dev Mahadevaiah, Sharad Pundlik Patil, Subrata Nayak, Milind Chandrakant Dhabade, Shiloh Montegomery Meyers, David Allan Dranschak
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Patent number: 11859556Abstract: An air starter for starting a turbine engine that includes a housing, a turbine member, a drive shaft, and at least one bearing assembly. The housing can define an interior where the turbine member rotatably couples to the drive shaft, where the drive shaft or turbine member are rotatably supported by the least one bearing assembly. A scoop wheel located in the interior of the housing provides lubrication to the at least one bearing assembly.Type: GrantFiled: February 10, 2023Date of Patent: January 2, 2024Assignee: Unison Industries, LLCInventors: Nilesh Vilas Varote, David Raju Yamarthi, David Allan Dranschak, Eliel Fresco Rodriguez, Amit Arvind Kurvinkop
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Publication number: 20230374943Abstract: An air turbine starter with a housing; a turbine member located within the housing; a drive shaft operably coupled to the turbine member, and having an interior portion. The air turbine starter output shaft extending between a first end and a second end, the output shaft movable between a first position, where the first end is coupled to the engine, and a second position, where the second end is retained within the interior portion and the first end is uncoupled from the engine. A decoupler assembly is included for decoupling the output shaft from the engine.Type: ApplicationFiled: August 16, 2022Publication date: November 23, 2023Inventors: Narendra Dev Mahadevaiah, Sharad Pundlik Patil, Pallavi Tripathi, Subrata Nayak, Milind Chandrakant Dhabade, Shiloh Montegomery Meyers, David Allan Dranschak
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Publication number: 20230258103Abstract: An air turbine starter that includes a housing. The housing can circumscribe a turbine coupled that is coupled to a gear train in a gear box via a drive shaft. The gear train can couple to an output shaft via at least a carrier. The air turbine starter can include at least a first bearing assembly and a second bearing assembly to rotatably support the drive shaft and the output shaft.Type: ApplicationFiled: April 26, 2023Publication date: August 17, 2023Inventors: Amit Arvind Kurvinkop, David Raju Yamarthi, David Allan Dranschak, Brian Christopher Kemp, Marc David Zinger, Parmeet Singh Chhabra, Roberto Karpik, Eliel Fresco Rodriguez
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Publication number: 20230235704Abstract: An air starter for an engine, such as a turbine engine, that includes a turbine for rotatably extracting mechanical power from a flow of fluid. The turbine includes a drive shaft that can be coupled to an output shaft to provide a rotational output. The interface between the drive shaft and the output shaft can be offset and include piloted portions.Type: ApplicationFiled: March 31, 2023Publication date: July 27, 2023Inventors: Sharad Pundlik Patil, Subrata Nayak, David Allan Dranschak, Shiloh Montegomery Meyers, Bajarang Agrawal, Jasraj Asdev, Ravindra Shankar Ganiger
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Publication number: 20230184173Abstract: An air turbine starter having a housing, at least one turbine member, and a containment structure. The housing having an interior surface defining an interior. The at least one turbine member rotatably mounted within the interior and having a plurality of circumferentially spaced blades. The containment band having a radially outer surface, a radially inner surface, at least one layer of metal alloy, and at least one layer of shape memory alloy.Type: ApplicationFiled: February 8, 2023Publication date: June 15, 2023Inventors: Jasraj Asdev, Subrata Nayak, David Allan Dranschak, Shiloh Montegomery Meyers, Sharad Pundlik Patil, Eliel Fresco Rodriguez
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Publication number: 20230184172Abstract: An air starter for starting a turbine engine that includes a housing, a turbine member, a drive shaft, and at least one bearing assembly. The housing can define an interior where the turbine member rotatably couples to the drive shaft, where the drive shaft or turbine member are rotatably supported by the least one bearing assembly. A scoop wheel located in the interior of the housing provides lubrication to the at least one bearing assembly.Type: ApplicationFiled: February 10, 2023Publication date: June 15, 2023Inventors: Nilesh Vilas Varote, David Raju Yamarthi, David Allan Dranschak, Eliel Fresco Rodriguez, Amit Arvind Kurvinkop
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Patent number: 11661863Abstract: An air turbine starter that includes a housing. The housing can circumscribe a turbine coupled that is coupled to a gear train in a gear box via a drive shaft. The gear train can couple to an output shaft via at least a carrier. The air turbine starter can include at least a first bearing assembly and a second bearing assembly to rotatably support one or more of the drive shaft, the carrier, or the output shaft.Type: GrantFiled: June 25, 2021Date of Patent: May 30, 2023Assignees: UNISON INDUSTRIES, LLC, GENERAL ELECTRIC COMPANYInventors: Amit Arvind Kurvinkop, David Raju Yamarthi, David Allan Dranschak, Brian Christopher Kemp, Marc David Zinger, Parmeet Singh Chhabra, Roberto Karpik, Eliel Fresco Rodriguez
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Patent number: 11624324Abstract: An air starter for an engine, such as a turbine engine, that includes a turbine for rotatably extracting mechanical power from a flow of fluid. The turbine includes a drive shaft that can be coupled to an output shaft to provide a rotational output. The interface between the drive shaft and the output shaft can be offset.Type: GrantFiled: July 13, 2021Date of Patent: April 11, 2023Assignee: Unison Industries, LLCInventors: Sharad Pundlik Patil, Subrata Nayak, David Allan Dranschak, Shiloh Montegomery Meyers, Bajarang Agrawal, Jasraj Asdev, Ravindra Shankar Ganiger
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Patent number: 11578662Abstract: An air starter for starting a turbine engine that includes a housing, a turbine member, a drive shaft, and at least one bearing assembly. The housing can define an interior where the turbine couples to the drive shaft that is rotatably supported by the least one bearing assembly. A lubricant passageway can provide lubrication to the at least one bearing assembly.Type: GrantFiled: November 3, 2021Date of Patent: February 14, 2023Assignee: Unison Industries, LLCInventors: Nilesh Vilas Varote, David Raju Yamarthi, David Allan Dranschak, Eliel Fresco Rodriguez, Amit Arvind Kurvinkop
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Patent number: 11549442Abstract: An air turbine starter for starting an engine, comprising a housing having an interior surface defining an interior, at least one turbine member rotatably mounted within the interior about a rotational axis, and having a plurality of circumferentially spaced blades, and a containment structure radially overlying and circumferentially surrounding at least a portion of the at least one turbine member.Type: GrantFiled: March 19, 2021Date of Patent: January 10, 2023Assignee: Unison Industries, LLCInventors: Jasraj Asdev, Subrata Nayak, David Allan Dranschak, Marc David Zinger, Shiloh Montegomery Meyers, Pallavi Tripathi, Sharad Pundlik Patil
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Patent number: 11549395Abstract: An air turbine starter that includes a turbine member for rotatably extracting mechanical power from a flow of fluid, where the turbine member is coupled to a drive shaft to provide a rotational output. The air turbine starter further includes a foil-air bearing assembly and a thrust bearing that rotatably support the drive shaft.Type: GrantFiled: August 31, 2021Date of Patent: January 10, 2023Assignee: Unison Industries, LLCInventors: Subrata Nayak, David Raju Yamarthi, David Allan Dranschak, Shiloh Montegomery Meyers, Pallavi Tripathi, Jasraj Asdev, Sharad Pundlik Patil, Eliel Fresco Rodriguez
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Patent number: 11512646Abstract: An air starter for starting a turbine engine that includes a housing, a turbine, an output shaft, and at least one bearing. The housing can define an interior where the turbine couples to the output shaft. A primary air flow path extends through the housing where air from the turbine can be exhausted through a primary outlet or a cooling outlet.Type: GrantFiled: December 23, 2019Date of Patent: November 29, 2022Assignee: Unison Industries, LLCInventors: Shiloh Montegomery Meyers, Subrata Nayak, Pradeep Hemant Sangli, David Allan Dranschak, Santosh Kumar Prasad, Marc David Zinger, Sharad Pundlik Patil, Harsha Sanjeewa Bulathsinghalage, Sumathi P
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Patent number: 11378011Abstract: An air turbine starter for starting an engine, comprising a housing defining an inlet, an outlet, and a flow path extending between the inlet and the outlet for communicating a flow of gas there through. A turbine member is journaled within the housing and disposed within the flow path for rotatably extracting mechanical power from the flow of gas. A gear train is drivingly coupled with the turbine member, a drive shaft is operably coupled with the gear train, and an output shaft is selectively operably coupled to rotate with the engine via a decoupler.Type: GrantFiled: December 18, 2019Date of Patent: July 5, 2022Assignee: Unison Industries, LLCInventors: Subrata Nayak, Eliel Fresco Rodriguez, David Allan Dranschak, Shiloh Montgomery Emerson Meyers, Pallavi Tripathi
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Patent number: 11352956Abstract: A method and decoupler for disengaging an output member from an engine in a back drive event with a backdrive decoupler. The backdrive decoupler includes a shaft and a retention mechanism selectively coupling the output member to the shaft. In a backdrive event, the decoupler decouples the member from a drive shaft.Type: GrantFiled: December 18, 2019Date of Patent: June 7, 2022Assignee: GE Aviation Systems LLCInventors: Eliel Fresco Rodriguez, David Allan Dranschak
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Patent number: 11333078Abstract: A method and decoupler for disengaging an output shaft from an engine in a back drive event with a backdrive decoupler. The backdrive decoupler includes an output shaft, drive shaft wherein the output shaft is selectively coupled to the drive shaft. Permanent magnets are used to transmit torque from the drive shaft to the output shaft. In a backdrive event, the decoupler decouples the output shaft from the drive shaft by uncoupling the torque transfer.Type: GrantFiled: October 30, 2017Date of Patent: May 17, 2022Assignee: GE Aviation Systems LLCInventors: Subrata Nayak, Pallavi Tripathi, David Raju Yamarthi, Navin Soni, Dhiraj Thakare, Shiloh Montegomery Emerson Meyers, David Allan Dranschak