Patents by Inventor Jonathan C. Dell
Jonathan C. Dell 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: 10677292Abstract: A method of disconnecting a generator from a source of mechanical rotation includes receiving a generator disconnect command and receiving a rotational position of a generator input member. The input member rotational angle is compared to the target disconnect angle range, and a determination made whether to disconnect the input member from a generator drive member based on the comparison.Type: GrantFiled: October 14, 2016Date of Patent: June 9, 2020Assignee: Hamilton Sundstrand CorporationInventors: Kris H. Campbell, Jonathan C. Dell, Shin Katsumata
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Patent number: 10541634Abstract: A generator arrangement includes a stator with armature winding, a rotor with one or more permanent magnets supported for rotation relative to the stator, a variable speed drive, and a control module. The variable speed drive is connected to the rotor for rotating the rotor within a predetermined speed range. The control module is disposed in communication with the armature windings and is operatively connected to the variable speed drive to maintain constant output voltage as load changes by varying rotational speed of the rotor.Type: GrantFiled: March 17, 2017Date of Patent: January 21, 2020Assignee: Hamilton Sundstrand CorporationInventors: Dhaval Patel, Jonathan C. Dell, Andreas C. Koenig, Glenn C. Lemmers, Jr.
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Patent number: 10326394Abstract: An aircraft main power generation system includes a rotor shaft, a main power generator a permanent magnet, an exciter, an aircraft power bus, and a generator control unit. The generator control unit is configured to provide a control current to the exciter in response to a speed of the main power generator reaching a threshold speed and electrically couple the main power generator to the aircraft power bus in response to the speed of the main power generator reaching a minimum operating speed, the threshold speed being lower than the minimum operating speed; or provide a control current to the exciter in response to the speed of the main power generator reaching a predetermined speed and electrically coupling the main power generator to the aircraft power bus in response to a time period elapsing after the speed of the main power generator has reached the predetermined speed.Type: GrantFiled: October 24, 2017Date of Patent: June 18, 2019Assignee: Hamilton Sundstrand CorporationInventors: Diego A. Rocha, Dhaval Patel, Jonathan C. Dell, John F. Defenbaugh, Eric A. Brust, Andreas C. Koenig
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Patent number: 10273990Abstract: A fixed wobbler of a hydraulic unit includes a body having a first end and an opposite second end, the first end defining a first surface, and the second end defining a second surface oriented at an angle relative to the first surface, the body having an outer diameter and an inner wall defining an inner diameter, wherein the outer diameter is approximately 2.1655+0.0000?0.0007 inches (5.5004+0.000?0.0018 cm), and wherein the inner diameter is approximately 1.043±0.003 inches (2.6492±0.0076 cm).Type: GrantFiled: January 14, 2015Date of Patent: April 30, 2019Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Kris H. Campbell, Glenn C. Lemmers, Jr., Doren C. Smith, Jonathan C. Dell, Jong-Yeong Yung, Ted A. Martin
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Publication number: 20190123669Abstract: An aircraft main power generation system includes a rotor shaft, a main power generator a permanent magnet, an exciter, an aircraft power bus, and a generator control unit. The generator control unit is configured to provide a control current to the exciter in response to a speed of the main power generator reaching a threshold speed and electrically couple the main power generator to the aircraft power bus in response to the speed of the main power generator reaching a minimum operating speed, the threshold speed being lower than the minimum operating speed; or provide a control current to the exciter in response to the speed of the main power generator reaching a predetermined speed and electrically coupling the main power generator to the aircraft power bus in response to a time period elapsing after the speed of the main power generator has reached the predetermined speed.Type: ApplicationFiled: October 24, 2017Publication date: April 25, 2019Inventors: Diego A. Rocha, Dhaval Patel, Jonathan C. Dell, John F. Defenbaugh, Eric A. Brust, Andreas C. Koenig
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Publication number: 20180287471Abstract: A method of assembling an integrated drive generator includes the steps of providing a bore in a center housing portion, pressing a bearing liner into the bore, with a portion of the bearing liner extending proud of a surface of the center plate, and machining the surface around and adjacent to the bearing liner to provide a machined surface parallel to the surface.Type: ApplicationFiled: June 6, 2018Publication date: October 4, 2018Inventors: Henry R. Vanderzyden, Jonathan C. Dell
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Publication number: 20180269817Abstract: A generator arrangement includes a stator with armature winding, a rotor with one or more permanent magnets supported for rotation relative to the stator, a variable speed drive, and a control module. The variable speed drive is connected to the rotor for rotating the rotor within a predetermined speed range. The control module is disposed in communication with the armature windings and is operatively connected to the variable speed drive to maintain constant output voltage as load changes by varying rotational speed of the rotor.Type: ApplicationFiled: March 17, 2017Publication date: September 20, 2018Inventors: Dhaval Patel, Jonathan C. Dell, Andreas C. Koenig, Glenn C. Lemmers, JR.
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Patent number: 10014758Abstract: A method of assembling an integrated drive generator includes the steps of providing a bore in a center housing portion, pressing a bearing liner into the bore, with a portion of the bearing liner extending proud of a surface of the center plate, and machining the surface around and adjacent to the bearing liner to provide a machined surface parallel to the surface.Type: GrantFiled: July 23, 2015Date of Patent: July 3, 2018Assignee: Hamilton Sundstrand CorporationInventors: Henry R. Vanderzyden, Jonathan C. Dell
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Publication number: 20180106302Abstract: A method of disconnecting a generator from a source of mechanical rotation includes receiving a generator disconnect command and receiving a rotational position of a generator input member. The input member rotational angle is compared to the target disconnect angle range, and a determination made whether to disconnect the input member from a generator drive member based on the comparison.Type: ApplicationFiled: October 14, 2016Publication date: April 19, 2018Inventors: Kris H. Campbell, Jonathan C. Dell, Shin Katsumata
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Publication number: 20160201697Abstract: A variable wobbler of a hydraulic unit includes a body having a first end and an opposite second end, the first end including an annular wall and an inner surface configured to contact a piston of the hydraulic unit. The body further includes an outer wall, an inner wall defining an inner diameter, and a conical inner wall extending from the inner wall. The variable wobbler further includes a first trunnion extending outwardly from the body and a second trunnion extending outwardly from the body.Type: ApplicationFiled: January 14, 2015Publication date: July 14, 2016Inventors: Kris H. Campbell, Glenn C. Lemmers, JR., Doren C. Smith, Ted A. Martin, Jonathan C. Dell, Jong-Yeong Yung
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Publication number: 20160201698Abstract: A fixed wobbler of a hydraulic unit includes a body having a first end and an opposite second end, the first end defining a first surface, and the second end defining a second surface oriented at an angle relative to the first surface, the body having an outer diameter and an inner wall defining an inner diameter, wherein the outer diameter is approximately 2.1655+0.0000?0.0007 inches (5.5004+0.000?0.0018 cm), and wherein the inner diameter is approximately 1.043±0.003 inches (2.6492±0.0076 cm).Type: ApplicationFiled: January 14, 2015Publication date: July 14, 2016Inventors: Kris H. Campbell, Glenn C. Lemmers, JR., Doren C. Smith, Jonathan C. Dell, Jong-Yeong Yung, Ted A. Martin
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Publication number: 20150333607Abstract: A method of assembling an integrated drive generator includes the steps of providing a bore in a center housing portion, pressing a bearing liner into the bore, with a portion of the bearing liner extending proud of a surface of the center plate, and machining the surface around and adjacent to the bearing liner to provide a machined surface parallel to the surface.Type: ApplicationFiled: July 23, 2015Publication date: November 19, 2015Inventors: Henry R. Vanderzyden, Jonathan C. Dell
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Patent number: 9154011Abstract: An integrated drive generator includes a housing having generator. Center and input housing portions are secured to one another. The center housing portion is sealed relative to the generator input housing portion with seal plates. A hydraulic unit is mounted to the center housing portion. The center housing portion includes first and second parallel surfaces. A machined surface is parallel to and recessed into one of the first and second surfaces in an area of the hydraulic unit. A method of assembling an integrated drive generator includes the steps of providing a bore in a center housing portion, pressing a bearing liner into the bore, with a portion of the bearing liner extending proud of a surface of the center plate, and machining the surface around and adjacent to the bearing liner to provide a machined surface parallel to the surface.Type: GrantFiled: July 6, 2012Date of Patent: October 6, 2015Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Henry R. Vanderzyden, Jonathan C. Dell
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Patent number: 9115794Abstract: An integrated drive generator includes a pump plate having first and second parallel faces defining a first thickness. A passage extends between the first and second faces through the pump plate. Webbing is provided in the passage having a second thickness less than the first thickness. The webbing provides a first volume and the passage provides a second volume. A ratio of the second volume to the first volume is 20.8.Type: GrantFiled: July 6, 2012Date of Patent: August 25, 2015Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Henry R. Vanderzyden, Jonathan C. Dell
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Patent number: 8925421Abstract: A gear assembly includes first and second shafts concentric with one another. First and second gears are respectively provided by the first and second shafts and are arranged adjacent to one another. A biasing assembly cooperates with at least one of the first and second shafts to maintain a desired gap between the first and second gears.Type: GrantFiled: July 6, 2012Date of Patent: January 6, 2015Assignee: Hamilton Sundstrand CorporationInventors: Henry R. Vanderzyden, Jonathan C. Dell
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Publication number: 20140007741Abstract: A gear assembly includes first and second shafts concentric with one another. First and second gears are respectively provided by the first and second shafts and are arranged adjacent to one another. A biasing assembly cooperates with at least one of the first and second shafts to maintain a desired gap between the first and second gears.Type: ApplicationFiled: July 6, 2012Publication date: January 9, 2014Inventors: Henry R. Vanderzyden, Jonathan C. Dell
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Publication number: 20140009253Abstract: An improved current transformer has a ring shaped core and a plurality of windings wound around the ring shaped core. The ring shaped core has a rectangular cross sectional area configured to provide a current transformer current rating of at least 375 amperes.Type: ApplicationFiled: July 6, 2012Publication date: January 9, 2014Inventors: Jonathan C. Dell, Henry R. Vanderzyden, Jeffrey D. Baldwin, Kevin K. Wege
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Publication number: 20140009125Abstract: An integrated drive generator includes a housing having generator. Center and input housing portions are secured to one another. The center housing portion is sealed relative to the generator input housing portion with seal plates. A hydraulic unit is mounted to the center housing portion. The center housing portion includes first and second parallel surfaces. A machined surface is parallel to and recessed into one of the first and second surfaces in an area of the hydraulic unit. A method of assembling an integrated drive generator includes the steps of providing a bore in a center housing portion, pressing a bearing liner into the bore, with a portion of the bearing liner extending proud of a surface of the center plate, and machining the surface around and adjacent to the bearing liner to provide a machined surface parallel to the surface.Type: ApplicationFiled: July 6, 2012Publication date: January 9, 2014Inventors: Henry R. Vanderzyden, Jonathan C. Dell
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Publication number: 20140009126Abstract: An integrated drive generator includes a pump plate having first and second parallel faces defining a first thickness. A passage extends between the first and second faces through the pump plate. Webbing is provided in the passage having a second thickness less than the first thickness. The webbing provides a first volume and the passage provides a second volume. A ratio of the second volume to the first volume is 20.8.Type: ApplicationFiled: July 6, 2012Publication date: January 9, 2014Inventors: Henry R. Vanderzyden, Jonathan C. Dell
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Publication number: 20140008170Abstract: A disconnect assembly for an integrated drive generator includes an input shaft configured to receive a rotational input. A coupling member is selectively coupled to the input shaft by dog teeth. A biasing element is configured to disconnect the dog teeth and decouple the coupling member from the input shaft. A thermal coupling opposes the biasing element to maintain engagement between the dog teeth in an unmelted state. The thermal coupling is constructed from a eutectic solder material of 91.3% tin and 8.7% zinc by weight.Type: ApplicationFiled: July 6, 2012Publication date: January 9, 2014Inventors: Henry R. Vanderzyden, Jonathan C. Dell